02d6c30186bb3de9e359d651a8e90b9913a38fa72643db38eddf0c870bd98005

Analysis

max time kernel
130s
max time network
131s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
29-12-2023 18:36

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General

Target

00a41c18443fff4421bee2b2af738bc0.exe
Size

45KB
MD5

00a41c18443fff4421bee2b2af738bc0
SHA1

b2033c9d0831c7a003fa5b3ebc9ec1b1a8076a31
SHA256

02d6c30186bb3de9e359d651a8e90b9913a38fa72643db38eddf0c870bd98005
SHA512

d0ce0b2cd364f417dcaff424a44bad52cb88c246dcef9d43699325ca1b453d24cb0f1cb5503f24865abc912413ab162c62f4a65f4d88a8e31a91d8db3696fa34
SSDEEP

768:tWnJ7UE+A7gTplJMOYSBYCuvMuGSMGkmxMupps51Rw8jrOONnNrMYMXJ8oeQAb26:tIL+AUTpldYVCuvMuGakmx1ps51G8jrB

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Serverx = "C:\\Windows\\system32\\Serverx.exe"	00a41c18443fff4421bee2b2af738bc0.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Serverx.exe	00a41c18443fff4421bee2b2af738bc0.exe
File opened for modification	C:\WINDOWS\SysWOW64\SERVERX.EXE	00a41c18443fff4421bee2b2af738bc0.exe
File opened for modification	C:\Windows\SysWOW64\Serverx.exe	00a41c18443fff4421bee2b2af738bc0.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2864	00a41c18443fff4421bee2b2af738bc0.exe

Suspicious behavior: MapViewOfSection 22 IoCs

pid	Process
2864	00a41c18443fff4421bee2b2af738bc0.exe
2864	00a41c18443fff4421bee2b2af738bc0.exe
2864	00a41c18443fff4421bee2b2af738bc0.exe
2864	00a41c18443fff4421bee2b2af738bc0.exe
2864	00a41c18443fff4421bee2b2af738bc0.exe
2864	00a41c18443fff4421bee2b2af738bc0.exe
2864	00a41c18443fff4421bee2b2af738bc0.exe
2864	00a41c18443fff4421bee2b2af738bc0.exe
2864	00a41c18443fff4421bee2b2af738bc0.exe
2864	00a41c18443fff4421bee2b2af738bc0.exe
2864	00a41c18443fff4421bee2b2af738bc0.exe
2864	00a41c18443fff4421bee2b2af738bc0.exe
2864	00a41c18443fff4421bee2b2af738bc0.exe
2864	00a41c18443fff4421bee2b2af738bc0.exe
2864	00a41c18443fff4421bee2b2af738bc0.exe
2864	00a41c18443fff4421bee2b2af738bc0.exe
2864	00a41c18443fff4421bee2b2af738bc0.exe
2864	00a41c18443fff4421bee2b2af738bc0.exe
2864	00a41c18443fff4421bee2b2af738bc0.exe
2864	00a41c18443fff4421bee2b2af738bc0.exe
2864	00a41c18443fff4421bee2b2af738bc0.exe
2864	00a41c18443fff4421bee2b2af738bc0.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	2864	00a41c18443fff4421bee2b2af738bc0.exe
Token: SeTakeOwnershipPrivilege	2652	00a41c18443fff4421bee2b2af738bc0.exe
Token: SeRestorePrivilege	2652	00a41c18443fff4421bee2b2af738bc0.exe
Token: SeBackupPrivilege	2652	00a41c18443fff4421bee2b2af738bc0.exe
Token: SeChangeNotifyPrivilege	2652	00a41c18443fff4421bee2b2af738bc0.exe
Token: SeTakeOwnershipPrivilege	2652	00a41c18443fff4421bee2b2af738bc0.exe
Token: SeRestorePrivilege	2652	00a41c18443fff4421bee2b2af738bc0.exe
Token: SeBackupPrivilege	2652	00a41c18443fff4421bee2b2af738bc0.exe
Token: SeChangeNotifyPrivilege	2652	00a41c18443fff4421bee2b2af738bc0.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 2864	2652	00a41c18443fff4421bee2b2af738bc0.exe	28
PID 2652 wrote to memory of 2864	2652	00a41c18443fff4421bee2b2af738bc0.exe	28
PID 2652 wrote to memory of 2864	2652	00a41c18443fff4421bee2b2af738bc0.exe	28
PID 2652 wrote to memory of 2864	2652	00a41c18443fff4421bee2b2af738bc0.exe	28
PID 2864 wrote to memory of 384	2864	00a41c18443fff4421bee2b2af738bc0.exe	5
PID 2864 wrote to memory of 384	2864	00a41c18443fff4421bee2b2af738bc0.exe	5
PID 2864 wrote to memory of 384	2864	00a41c18443fff4421bee2b2af738bc0.exe	5
PID 2864 wrote to memory of 384	2864	00a41c18443fff4421bee2b2af738bc0.exe	5
PID 2864 wrote to memory of 384	2864	00a41c18443fff4421bee2b2af738bc0.exe	5
PID 2864 wrote to memory of 396	2864	00a41c18443fff4421bee2b2af738bc0.exe	4
PID 2864 wrote to memory of 396	2864	00a41c18443fff4421bee2b2af738bc0.exe	4
PID 2864 wrote to memory of 396	2864	00a41c18443fff4421bee2b2af738bc0.exe	4
PID 2864 wrote to memory of 396	2864	00a41c18443fff4421bee2b2af738bc0.exe	4
PID 2864 wrote to memory of 396	2864	00a41c18443fff4421bee2b2af738bc0.exe	4
PID 2864 wrote to memory of 432	2864	00a41c18443fff4421bee2b2af738bc0.exe	3
PID 2864 wrote to memory of 432	2864	00a41c18443fff4421bee2b2af738bc0.exe	3
PID 2864 wrote to memory of 432	2864	00a41c18443fff4421bee2b2af738bc0.exe	3
PID 2864 wrote to memory of 432	2864	00a41c18443fff4421bee2b2af738bc0.exe	3
PID 2864 wrote to memory of 432	2864	00a41c18443fff4421bee2b2af738bc0.exe	3
PID 2864 wrote to memory of 476	2864	00a41c18443fff4421bee2b2af738bc0.exe	2
PID 2864 wrote to memory of 476	2864	00a41c18443fff4421bee2b2af738bc0.exe	2
PID 2864 wrote to memory of 476	2864	00a41c18443fff4421bee2b2af738bc0.exe	2
PID 2864 wrote to memory of 476	2864	00a41c18443fff4421bee2b2af738bc0.exe	2
PID 2864 wrote to memory of 476	2864	00a41c18443fff4421bee2b2af738bc0.exe	2
PID 2864 wrote to memory of 492	2864	00a41c18443fff4421bee2b2af738bc0.exe	1
PID 2864 wrote to memory of 492	2864	00a41c18443fff4421bee2b2af738bc0.exe	1
PID 2864 wrote to memory of 492	2864	00a41c18443fff4421bee2b2af738bc0.exe	1
PID 2864 wrote to memory of 492	2864	00a41c18443fff4421bee2b2af738bc0.exe	1
PID 2864 wrote to memory of 492	2864	00a41c18443fff4421bee2b2af738bc0.exe	1
PID 2864 wrote to memory of 500	2864	00a41c18443fff4421bee2b2af738bc0.exe	26
PID 2864 wrote to memory of 500	2864	00a41c18443fff4421bee2b2af738bc0.exe	26
PID 2864 wrote to memory of 500	2864	00a41c18443fff4421bee2b2af738bc0.exe	26
PID 2864 wrote to memory of 500	2864	00a41c18443fff4421bee2b2af738bc0.exe	26
PID 2864 wrote to memory of 500	2864	00a41c18443fff4421bee2b2af738bc0.exe	26
PID 2864 wrote to memory of 604	2864	00a41c18443fff4421bee2b2af738bc0.exe	8
PID 2864 wrote to memory of 604	2864	00a41c18443fff4421bee2b2af738bc0.exe	8
PID 2864 wrote to memory of 604	2864	00a41c18443fff4421bee2b2af738bc0.exe	8
PID 2864 wrote to memory of 604	2864	00a41c18443fff4421bee2b2af738bc0.exe	8
PID 2864 wrote to memory of 604	2864	00a41c18443fff4421bee2b2af738bc0.exe	8
PID 2864 wrote to memory of 684	2864	00a41c18443fff4421bee2b2af738bc0.exe	25
PID 2864 wrote to memory of 684	2864	00a41c18443fff4421bee2b2af738bc0.exe	25
PID 2864 wrote to memory of 684	2864	00a41c18443fff4421bee2b2af738bc0.exe	25
PID 2864 wrote to memory of 684	2864	00a41c18443fff4421bee2b2af738bc0.exe	25
PID 2864 wrote to memory of 684	2864	00a41c18443fff4421bee2b2af738bc0.exe	25
PID 2864 wrote to memory of 756	2864	00a41c18443fff4421bee2b2af738bc0.exe	24
PID 2864 wrote to memory of 756	2864	00a41c18443fff4421bee2b2af738bc0.exe	24
PID 2864 wrote to memory of 756	2864	00a41c18443fff4421bee2b2af738bc0.exe	24
PID 2864 wrote to memory of 756	2864	00a41c18443fff4421bee2b2af738bc0.exe	24
PID 2864 wrote to memory of 756	2864	00a41c18443fff4421bee2b2af738bc0.exe	24
PID 2864 wrote to memory of 824	2864	00a41c18443fff4421bee2b2af738bc0.exe	23
PID 2864 wrote to memory of 824	2864	00a41c18443fff4421bee2b2af738bc0.exe	23
PID 2864 wrote to memory of 824	2864	00a41c18443fff4421bee2b2af738bc0.exe	23
PID 2864 wrote to memory of 824	2864	00a41c18443fff4421bee2b2af738bc0.exe	23
PID 2864 wrote to memory of 824	2864	00a41c18443fff4421bee2b2af738bc0.exe	23
PID 2864 wrote to memory of 852	2864	00a41c18443fff4421bee2b2af738bc0.exe	9
PID 2864 wrote to memory of 852	2864	00a41c18443fff4421bee2b2af738bc0.exe	9
PID 2864 wrote to memory of 852	2864	00a41c18443fff4421bee2b2af738bc0.exe	9
PID 2864 wrote to memory of 852	2864	00a41c18443fff4421bee2b2af738bc0.exe	9
PID 2864 wrote to memory of 852	2864	00a41c18443fff4421bee2b2af738bc0.exe	9
PID 2864 wrote to memory of 1000	2864	00a41c18443fff4421bee2b2af738bc0.exe	21
PID 2864 wrote to memory of 1000	2864	00a41c18443fff4421bee2b2af738bc0.exe	21
PID 2864 wrote to memory of 1000	2864	00a41c18443fff4421bee2b2af738bc0.exe	21
PID 2864 wrote to memory of 1000	2864	00a41c18443fff4421bee2b2af738bc0.exe	21
PID 2864 wrote to memory of 1000	2864	00a41c18443fff4421bee2b2af738bc0.exe	21

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:492

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
PID:476
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k DcomLaunch
  2⤵
  PID:604
- - C:\Windows\system32\DllHost.exe
    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
    3⤵
    PID:1924
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k netsvcs
  2⤵
  PID:852
- C:\Windows\System32\spoolsv.exe
  C:\Windows\System32\spoolsv.exe
  2⤵
  PID:276
- C:\Windows\system32\sppsvc.exe
  C:\Windows\system32\sppsvc.exe
  2⤵
  PID:1108
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
  2⤵
  PID:2228
- C:\Windows\system32\taskhost.exe
  "taskhost.exe"
  2⤵
  PID:1280
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
  2⤵
  PID:620
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k NetworkService
  2⤵
  PID:344
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalService
  2⤵
  PID:1000
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
  2⤵
  PID:824
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
  2⤵
  PID:756
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k RPCSS
  2⤵
  PID:684

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:432

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
PID:396

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:384
- C:\Windows\system32\lsm.exe
  C:\Windows\system32\lsm.exe
  2⤵
  PID:500

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1376
- C:\Users\Admin\AppData\Local\Temp\00a41c18443fff4421bee2b2af738bc0.exe
  "C:\Users\Admin\AppData\Local\Temp\00a41c18443fff4421bee2b2af738bc0.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2652
- - C:\Users\Admin\AppData\Local\Temp\00a41c18443fff4421bee2b2af738bc0.exe
    "C:\Users\Admin\AppData\Local\Temp\00a41c18443fff4421bee2b2af738bc0.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2864

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\Serverx.exe

Filesize
9KB

MD5
ec99998f3927fbccbfab3347b74b7988

SHA1
6bdcf26ee6f481527108c47f4f9184b815ee2079

SHA256
b1874d725703e328c44517f665c8fcb8b94cb3424291e50dce6547f17362f7cc

SHA512
05fa18a4b5a5266c8443e5b1109c88056f9eae8c0f2da60ac02612efdb97b57453d8505eadab83f6f24e431f58db3434cd882f68ed4350df9f9b55be5246d7e4

Download Submit
memory/1376-12-0x0000000002610000-0x0000000002611000-memory.dmp

Filesize
4KB

Download
memory/1376-13-0x0000000002610000-0x0000000002611000-memory.dmp

Filesize
4KB

Download
memory/2652-0-0x0000000001000000-0x0000000001012000-memory.dmp

Filesize
72KB

Download
memory/2652-4-0x000000007EFA0000-0x000000007EFA8000-memory.dmp

Filesize
32KB

Download
memory/2652-14-0x000000007EFA0000-0x000000007EFA8000-memory.dmp

Filesize
32KB

Download
memory/2864-1-0x0000000077BE0000-0x0000000077BE1000-memory.dmp

Filesize
4KB

Download
memory/2864-2-0x0000000077BDF000-0x0000000077BE0000-memory.dmp

Filesize
4KB

Download
memory/2864-3-0x0000000001000000-0x0000000001012000-memory.dmp

Filesize
72KB

Download