djvu | fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22

Analysis

max time kernel
149s
max time network
139s
platform
windows7_x64
resource
win7-en
submitted
06/09/2021, 06:41

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General

Target
fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe
Size 782KB
Sample210906-hfsyksdgap
SHA256 fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22
MD5 e2c8a52f2b934d3cb0565b8e935172ff
SHA1 1334fcb6ed4a7ae1e73c7212e00ab1299cc68643
SHA512 6ddf9195c344e81f675158b9cd961c55268601a9bc481b0fde2f037f5e9c2765a17bcbdef05bc33ae2890df390a623ce9f775d3808e0cdc012d2efe07767a354
MD5 SHA1 SHA512

Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer suricata

Malware Config

Extracted

Family

vidar

Version

40.4

Botnet

https://romkaxarit.tumblr.com/

Attributes

profile_id
517

Signatures

Detected Djvu ransomeware 6 IoCs

resource	yara_rule
behavioral1/memory/1944-54-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/1944-53-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2024-56-0x0000000003C20000-0x0000000003D3B000-memory.dmp	family_djvu
behavioral1/memory/1944-57-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1656-62-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/1656-64-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata

Vidar Stealer 4 IoCs

stealer

resource	yara_rule
behavioral1/memory/744-71-0x000000000049ECBD-mapping.dmp	family_vidar
behavioral1/memory/744-70-0x0000000000400000-0x00000000004D7000-memory.dmp	family_vidar
behavioral1/memory/744-79-0x0000000000400000-0x00000000004D7000-memory.dmp	family_vidar
behavioral1/memory/740-78-0x0000000002BB0000-0x0000000002C83000-memory.dmp	family_vidar

Downloads MZ/PE file

Executes dropped EXE 8 IoCs

pid	Process
740	build2.exe
744	build2.exe
1932	build3.exe
1148	build3.exe
896	mstsca.exe
792	mstsca.exe
292	mstsca.exe
1976	mstsca.exe

Loads dropped DLL 8 IoCs

pid	Process
1656	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe
1656	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe
1656	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe
1656	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe
744	build2.exe
744	build2.exe
744	build2.exe
744	build2.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1068	icacls.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1669990088-476967504-438132596-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\04bdb6fd-ac58-4dae-ad9e-3c955c7e9705\\fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe\" --AutoStart"	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Looks up external IP address via web service 2 IoCs

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

flow	ioc
6	api.2ip.ua
7	api.2ip.ua

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 2024 set thread context of 1944	2024	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	26
PID 1652 set thread context of 1656	1652	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	35
PID 740 set thread context of 744	740	build2.exe	38
PID 1932 set thread context of 1148	1932	build3.exe	40
PID 896 set thread context of 792	896	mstsca.exe	51
PID 292 set thread context of 1976	292	mstsca.exe	55

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	build2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	build2.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
940	schtasks.exe
392	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
996	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1336	taskkill.exe

Modifies system certificate store 2 TTPs 5 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	build2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	build2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1944	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe
1944	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe
1656	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe
1656	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe
744	build2.exe
744	build2.exe
744	build2.exe
744	build2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1336	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 1944	2024	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	26
PID 2024 wrote to memory of 1944	2024	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	26
PID 2024 wrote to memory of 1944	2024	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	26
PID 2024 wrote to memory of 1944	2024	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	26
PID 2024 wrote to memory of 1944	2024	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	26
PID 2024 wrote to memory of 1944	2024	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	26
PID 2024 wrote to memory of 1944	2024	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	26
PID 2024 wrote to memory of 1944	2024	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	26
PID 2024 wrote to memory of 1944	2024	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	26
PID 2024 wrote to memory of 1944	2024	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	26
PID 2024 wrote to memory of 1944	2024	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	26
PID 1944 wrote to memory of 1068	1944	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	33
PID 1944 wrote to memory of 1068	1944	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	33
PID 1944 wrote to memory of 1068	1944	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	33
PID 1944 wrote to memory of 1068	1944	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	33
PID 1944 wrote to memory of 1652	1944	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	34
PID 1944 wrote to memory of 1652	1944	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	34
PID 1944 wrote to memory of 1652	1944	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	34
PID 1944 wrote to memory of 1652	1944	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	34
PID 1652 wrote to memory of 1656	1652	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	35
PID 1652 wrote to memory of 1656	1652	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	35
PID 1652 wrote to memory of 1656	1652	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	35
PID 1652 wrote to memory of 1656	1652	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	35
PID 1652 wrote to memory of 1656	1652	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	35
PID 1652 wrote to memory of 1656	1652	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	35
PID 1652 wrote to memory of 1656	1652	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	35
PID 1652 wrote to memory of 1656	1652	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	35
PID 1652 wrote to memory of 1656	1652	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	35
PID 1652 wrote to memory of 1656	1652	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	35
PID 1652 wrote to memory of 1656	1652	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	35
PID 1656 wrote to memory of 740	1656	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	37
PID 1656 wrote to memory of 740	1656	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	37
PID 1656 wrote to memory of 740	1656	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	37
PID 1656 wrote to memory of 740	1656	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	37
PID 740 wrote to memory of 744	740	build2.exe	38
PID 740 wrote to memory of 744	740	build2.exe	38
PID 740 wrote to memory of 744	740	build2.exe	38
PID 740 wrote to memory of 744	740	build2.exe	38
PID 740 wrote to memory of 744	740	build2.exe	38
PID 740 wrote to memory of 744	740	build2.exe	38
PID 740 wrote to memory of 744	740	build2.exe	38
PID 740 wrote to memory of 744	740	build2.exe	38
PID 740 wrote to memory of 744	740	build2.exe	38
PID 1656 wrote to memory of 1932	1656	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	39
PID 1656 wrote to memory of 1932	1656	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	39
PID 1656 wrote to memory of 1932	1656	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	39
PID 1656 wrote to memory of 1932	1656	fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe	39
PID 1932 wrote to memory of 1148	1932	build3.exe	40
PID 1932 wrote to memory of 1148	1932	build3.exe	40
PID 1932 wrote to memory of 1148	1932	build3.exe	40
PID 1932 wrote to memory of 1148	1932	build3.exe	40
PID 1932 wrote to memory of 1148	1932	build3.exe	40
PID 1932 wrote to memory of 1148	1932	build3.exe	40
PID 1932 wrote to memory of 1148	1932	build3.exe	40
PID 1932 wrote to memory of 1148	1932	build3.exe	40
PID 1932 wrote to memory of 1148	1932	build3.exe	40
PID 1932 wrote to memory of 1148	1932	build3.exe	40
PID 1148 wrote to memory of 392	1148	build3.exe	41
PID 1148 wrote to memory of 392	1148	build3.exe	41
PID 1148 wrote to memory of 392	1148	build3.exe	41
PID 1148 wrote to memory of 392	1148	build3.exe	41
PID 744 wrote to memory of 740	744	build2.exe	44
PID 744 wrote to memory of 740	744	build2.exe	44
PID 744 wrote to memory of 740	744	build2.exe	44

C:\Users\Admin\AppData\Local\Temp\fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe
"C:\Users\Admin\AppData\Local\Temp\fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Users\Admin\AppData\Local\Temp\fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe
  "C:\Users\Admin\AppData\Local\Temp\fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe"
  2⤵
  - Adds Run key to start application
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1944
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\04bdb6fd-ac58-4dae-ad9e-3c955c7e9705" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:1068
- - C:\Users\Admin\AppData\Local\Temp\fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe
    "C:\Users\Admin\AppData\Local\Temp\fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1652
  - - C:\Users\Admin\AppData\Local\Temp\fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe
      "C:\Users\Admin\AppData\Local\Temp\fbe196a583f84bb52db86ca1de63ddb6e2c8f11828f8632567e66ae2ddc5df22.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Loads dropped DLL
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:1656
    - - C:\Users\Admin\AppData\Local\5e4236ae-6859-4b23-8578-dea21d36a551\build2.exe
        
        "C:\Users\Admin\AppData\Local\5e4236ae-6859-4b23-8578-dea21d36a551\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:740
      - C:\Users\Admin\AppData\Local\5e4236ae-6859-4b23-8578-dea21d36a551\build2.exe
        
        "C:\Users\Admin\AppData\Local\5e4236ae-6859-4b23-8578-dea21d36a551\build2.exe"
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        Checks processor information in registry
        Modifies system certificate store
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:744
        
        C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c taskkill /im build2.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\5e4236ae-6859-4b23-8578-dea21d36a551\build2.exe" & del C:\ProgramData\*.dll & exit
        7⤵
        
        PID:740
        
        C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im build2.exe /f
        8⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:1336
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 6
        8⤵
        Delays execution with timeout.exe
        
        PID:996
    - - C:\Users\Admin\AppData\Local\5e4236ae-6859-4b23-8578-dea21d36a551\build3.exe
        
        "C:\Users\Admin\AppData\Local\5e4236ae-6859-4b23-8578-dea21d36a551\build3.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:1932
      - C:\Users\Admin\AppData\Local\5e4236ae-6859-4b23-8578-dea21d36a551\build3.exe
        
        "C:\Users\Admin\AppData\Local\5e4236ae-6859-4b23-8578-dea21d36a551\build3.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:1148
        
        C:\Windows\SysWOW64\schtasks.exe
        
        /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
        7⤵
        Creates scheduled task(s)
        
        PID:392

C:\Windows\system32\taskeng.exe
taskeng.exe {D8EA88EA-E9BC-4837-9943-F9D416A75B54} S-1-5-21-1669990088-476967504-438132596-1000:KJUCCLUP\Admin:Interactive:[1]
1⤵
PID:1980
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:896
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    PID:792
  - - C:\Windows\SysWOW64\schtasks.exe
      /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
      4⤵
      Creates scheduled task(s)
      PID:940
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:292
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    PID:1976

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

File and Directory Permissions Modification

T1222

Install Root Certificate

T1130

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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memory/740-78-0x0000000002BB0000-0x0000000002C83000-memory.dmp

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memory/744-79-0x0000000000400000-0x00000000004D7000-memory.dmp

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memory/744-70-0x0000000000400000-0x00000000004D7000-memory.dmp

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memory/1148-89-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/1148-81-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/1656-64-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/1932-86-0x00000000001B0000-0x00000000001B4000-memory.dmp

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memory/1944-57-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/1944-55-0x00000000764D1000-0x00000000764D3000-memory.dmp

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memory/1944-53-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/2024-56-0x0000000003C20000-0x0000000003D3B000-memory.dmp

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