strrat | 9c3abdcc93fb3e179e4ea80afd21df14b6a6f7b23669cef03de2741fb0c0485b

Analysis

max time kernel
146s
max time network
147s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/03/2024, 07:07

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General

Target

Isteme-Formu.jar
Size

64KB
MD5

1437058c6d28f9a7a3ccdeaceda607bd
SHA1

5d7b2f57c74739f8e077dafd25964ef3f990b0ca
SHA256

9c3abdcc93fb3e179e4ea80afd21df14b6a6f7b23669cef03de2741fb0c0485b
SHA512

835b0a988b39f0615d5a7d06a980e26cab4eae567aaa7b5636e076a89e12b132b3def781b891fedfb434844f2348cbe89ae0ead8c014b3f1e02b21628a4d7ef9
SSDEEP

1536:fs4vu4cVMHH4/o0oJ4pxtOPLYr/09xIYd3W4Un:fXuMHY/JhtOPLYey4Un

Score

10^/10

strrat persistence stealer trojan

Malware Config

Signatures

STRRAT
STRRAT is a remote access tool than can steal credentials and log keystrokes.
trojan stealer strrat

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Isteme-Formu.jar	java.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Isteme-Formu = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Isteme-Formu.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Isteme-Formu = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Isteme-Formu.jar\""	java.exe

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
4	ip-api.com

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
2712	schtasks.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2512	WMIC.exe
Token: SeSecurityPrivilege	2512	WMIC.exe
Token: SeTakeOwnershipPrivilege	2512	WMIC.exe
Token: SeLoadDriverPrivilege	2512	WMIC.exe
Token: SeSystemProfilePrivilege	2512	WMIC.exe
Token: SeSystemtimePrivilege	2512	WMIC.exe
Token: SeProfSingleProcessPrivilege	2512	WMIC.exe
Token: SeIncBasePriorityPrivilege	2512	WMIC.exe
Token: SeCreatePagefilePrivilege	2512	WMIC.exe
Token: SeBackupPrivilege	2512	WMIC.exe
Token: SeRestorePrivilege	2512	WMIC.exe
Token: SeShutdownPrivilege	2512	WMIC.exe
Token: SeDebugPrivilege	2512	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2512	WMIC.exe
Token: SeRemoteShutdownPrivilege	2512	WMIC.exe
Token: SeUndockPrivilege	2512	WMIC.exe
Token: SeManageVolumePrivilege	2512	WMIC.exe
Token: 33	2512	WMIC.exe
Token: 34	2512	WMIC.exe
Token: 35	2512	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2512	WMIC.exe
Token: SeSecurityPrivilege	2512	WMIC.exe
Token: SeTakeOwnershipPrivilege	2512	WMIC.exe
Token: SeLoadDriverPrivilege	2512	WMIC.exe
Token: SeSystemProfilePrivilege	2512	WMIC.exe
Token: SeSystemtimePrivilege	2512	WMIC.exe
Token: SeProfSingleProcessPrivilege	2512	WMIC.exe
Token: SeIncBasePriorityPrivilege	2512	WMIC.exe
Token: SeCreatePagefilePrivilege	2512	WMIC.exe
Token: SeBackupPrivilege	2512	WMIC.exe
Token: SeRestorePrivilege	2512	WMIC.exe
Token: SeShutdownPrivilege	2512	WMIC.exe
Token: SeDebugPrivilege	2512	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2512	WMIC.exe
Token: SeRemoteShutdownPrivilege	2512	WMIC.exe
Token: SeUndockPrivilege	2512	WMIC.exe
Token: SeManageVolumePrivilege	2512	WMIC.exe
Token: 33	2512	WMIC.exe
Token: 34	2512	WMIC.exe
Token: 35	2512	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1936	WMIC.exe
Token: SeSecurityPrivilege	1936	WMIC.exe
Token: SeTakeOwnershipPrivilege	1936	WMIC.exe
Token: SeLoadDriverPrivilege	1936	WMIC.exe
Token: SeSystemProfilePrivilege	1936	WMIC.exe
Token: SeSystemtimePrivilege	1936	WMIC.exe
Token: SeProfSingleProcessPrivilege	1936	WMIC.exe
Token: SeIncBasePriorityPrivilege	1936	WMIC.exe
Token: SeCreatePagefilePrivilege	1936	WMIC.exe
Token: SeBackupPrivilege	1936	WMIC.exe
Token: SeRestorePrivilege	1936	WMIC.exe
Token: SeShutdownPrivilege	1936	WMIC.exe
Token: SeDebugPrivilege	1936	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1936	WMIC.exe
Token: SeRemoteShutdownPrivilege	1936	WMIC.exe
Token: SeUndockPrivilege	1936	WMIC.exe
Token: SeManageVolumePrivilege	1936	WMIC.exe
Token: 33	1936	WMIC.exe
Token: 34	1936	WMIC.exe
Token: 35	1936	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1936	WMIC.exe
Token: SeSecurityPrivilege	1936	WMIC.exe
Token: SeTakeOwnershipPrivilege	1936	WMIC.exe
Token: SeLoadDriverPrivilege	1936	WMIC.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 2612	2320	java.exe	29
PID 2320 wrote to memory of 2612	2320	java.exe	29
PID 2320 wrote to memory of 2612	2320	java.exe	29
PID 2320 wrote to memory of 2588	2320	java.exe	30
PID 2320 wrote to memory of 2588	2320	java.exe	30
PID 2320 wrote to memory of 2588	2320	java.exe	30
PID 2612 wrote to memory of 2712	2612	cmd.exe	31
PID 2612 wrote to memory of 2712	2612	cmd.exe	31
PID 2612 wrote to memory of 2712	2612	cmd.exe	31
PID 2588 wrote to memory of 2480	2588	java.exe	32
PID 2588 wrote to memory of 2480	2588	java.exe	32
PID 2588 wrote to memory of 2480	2588	java.exe	32
PID 2480 wrote to memory of 2512	2480	cmd.exe	33
PID 2480 wrote to memory of 2512	2480	cmd.exe	33
PID 2480 wrote to memory of 2512	2480	cmd.exe	33
PID 2588 wrote to memory of 1548	2588	java.exe	35
PID 2588 wrote to memory of 1548	2588	java.exe	35
PID 2588 wrote to memory of 1548	2588	java.exe	35
PID 1548 wrote to memory of 1936	1548	cmd.exe	36
PID 1548 wrote to memory of 1936	1548	cmd.exe	36
PID 1548 wrote to memory of 1936	1548	cmd.exe	36
PID 2588 wrote to memory of 2864	2588	java.exe	37
PID 2588 wrote to memory of 2864	2588	java.exe	37
PID 2588 wrote to memory of 2864	2588	java.exe	37
PID 2864 wrote to memory of 2872	2864	cmd.exe	38
PID 2864 wrote to memory of 2872	2864	cmd.exe	38
PID 2864 wrote to memory of 2872	2864	cmd.exe	38
PID 2588 wrote to memory of 2860	2588	java.exe	39
PID 2588 wrote to memory of 2860	2588	java.exe	39
PID 2588 wrote to memory of 2860	2588	java.exe	39
PID 2860 wrote to memory of 2876	2860	cmd.exe	40
PID 2860 wrote to memory of 2876	2860	cmd.exe	40
PID 2860 wrote to memory of 2876	2860	cmd.exe	40

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:\Windows\system32\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\Isteme-Formu.jar
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Windows\system32\cmd.exe
  cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Isteme-Formu.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2612
- - C:\Windows\system32\schtasks.exe
    schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Isteme-Formu.jar"
    3⤵
    - Creates scheduled task(s)
    PID:2712
- C:\Program Files\Java\jre7\bin\java.exe
  "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\Isteme-Formu.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2588
- - C:\Windows\system32\cmd.exe
    cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2480
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:2512
- - C:\Windows\system32\cmd.exe
    cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1548
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:1936
- - C:\Windows\system32\cmd.exe
    cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2864
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
      4⤵
      PID:2872
- - C:\Windows\system32\cmd.exe
    cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter' path antivirusproduct get displayname /format:list"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2860
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:localhost /namespace:'\\root\securitycenter' path antivirusproduct get displayname /format:list
      4⤵
      PID:2876

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

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Isteme-Formu.jar

Filesize
64KB

MD5
1437058c6d28f9a7a3ccdeaceda607bd

SHA1
5d7b2f57c74739f8e077dafd25964ef3f990b0ca

SHA256
9c3abdcc93fb3e179e4ea80afd21df14b6a6f7b23669cef03de2741fb0c0485b

SHA512
835b0a988b39f0615d5a7d06a980e26cab4eae567aaa7b5636e076a89e12b132b3def781b891fedfb434844f2348cbe89ae0ead8c014b3f1e02b21628a4d7ef9

Download Submit
memory/2320-3-0x00000000026F0000-0x00000000056F0000-memory.dmp

Filesize
48.0MB

Download
memory/2320-10-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2588-21-0x0000000002680000-0x0000000005680000-memory.dmp

Filesize
48.0MB

Download
memory/2588-28-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/2588-31-0x0000000002680000-0x0000000005680000-memory.dmp

Filesize
48.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads