strrat | 361868581afd0fa1eaed8c46990eee5074342033dc26ace69eb0e5eb72876d43

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21/03/2024, 06:26

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General

Target

TEKLIF-ISTEME.jar
Size

64KB
MD5

2dc3ec1f2b21887d14f66045a1bf312f
SHA1

ee559cc3e69ca0c429d13576e086e2dcba323332
SHA256

361868581afd0fa1eaed8c46990eee5074342033dc26ace69eb0e5eb72876d43
SHA512

d68443266a0e5ef08fcd72d8bf0cdd3d17914f57c6fbd37e0eaf648b4dff406c4c2e55a3b2daa6dbeddc9ad656971b3dbb0b635caff65d9d28c60ea986682812
SSDEEP

1536:S59vZVcVMHH45oJxm4UxtOPLpMy09xHrd3W4UB:SjZnHY5IctOPLpU04UB

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\TEKLIF-ISTEME.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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\TEKLIF-ISTEME = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\TEKLIF-ISTEME.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TEKLIF-ISTEME = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\TEKLIF-ISTEME.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
2588	schtasks.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2500	WMIC.exe
Token: SeSecurityPrivilege	2500	WMIC.exe
Token: SeTakeOwnershipPrivilege	2500	WMIC.exe
Token: SeLoadDriverPrivilege	2500	WMIC.exe
Token: SeSystemProfilePrivilege	2500	WMIC.exe
Token: SeSystemtimePrivilege	2500	WMIC.exe
Token: SeProfSingleProcessPrivilege	2500	WMIC.exe
Token: SeIncBasePriorityPrivilege	2500	WMIC.exe
Token: SeCreatePagefilePrivilege	2500	WMIC.exe
Token: SeBackupPrivilege	2500	WMIC.exe
Token: SeRestorePrivilege	2500	WMIC.exe
Token: SeShutdownPrivilege	2500	WMIC.exe
Token: SeDebugPrivilege	2500	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2500	WMIC.exe
Token: SeRemoteShutdownPrivilege	2500	WMIC.exe
Token: SeUndockPrivilege	2500	WMIC.exe
Token: SeManageVolumePrivilege	2500	WMIC.exe
Token: 33	2500	WMIC.exe
Token: 34	2500	WMIC.exe
Token: 35	2500	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2500	WMIC.exe
Token: SeSecurityPrivilege	2500	WMIC.exe
Token: SeTakeOwnershipPrivilege	2500	WMIC.exe
Token: SeLoadDriverPrivilege	2500	WMIC.exe
Token: SeSystemProfilePrivilege	2500	WMIC.exe
Token: SeSystemtimePrivilege	2500	WMIC.exe
Token: SeProfSingleProcessPrivilege	2500	WMIC.exe
Token: SeIncBasePriorityPrivilege	2500	WMIC.exe
Token: SeCreatePagefilePrivilege	2500	WMIC.exe
Token: SeBackupPrivilege	2500	WMIC.exe
Token: SeRestorePrivilege	2500	WMIC.exe
Token: SeShutdownPrivilege	2500	WMIC.exe
Token: SeDebugPrivilege	2500	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2500	WMIC.exe
Token: SeRemoteShutdownPrivilege	2500	WMIC.exe
Token: SeUndockPrivilege	2500	WMIC.exe
Token: SeManageVolumePrivilege	2500	WMIC.exe
Token: 33	2500	WMIC.exe
Token: 34	2500	WMIC.exe
Token: 35	2500	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2484	WMIC.exe
Token: SeSecurityPrivilege	2484	WMIC.exe
Token: SeTakeOwnershipPrivilege	2484	WMIC.exe
Token: SeLoadDriverPrivilege	2484	WMIC.exe
Token: SeSystemProfilePrivilege	2484	WMIC.exe
Token: SeSystemtimePrivilege	2484	WMIC.exe
Token: SeProfSingleProcessPrivilege	2484	WMIC.exe
Token: SeIncBasePriorityPrivilege	2484	WMIC.exe
Token: SeCreatePagefilePrivilege	2484	WMIC.exe
Token: SeBackupPrivilege	2484	WMIC.exe
Token: SeRestorePrivilege	2484	WMIC.exe
Token: SeShutdownPrivilege	2484	WMIC.exe
Token: SeDebugPrivilege	2484	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2484	WMIC.exe
Token: SeRemoteShutdownPrivilege	2484	WMIC.exe
Token: SeUndockPrivilege	2484	WMIC.exe
Token: SeManageVolumePrivilege	2484	WMIC.exe
Token: 33	2484	WMIC.exe
Token: 34	2484	WMIC.exe
Token: 35	2484	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2484	WMIC.exe
Token: SeSecurityPrivilege	2484	WMIC.exe
Token: SeTakeOwnershipPrivilege	2484	WMIC.exe
Token: SeLoadDriverPrivilege	2484	WMIC.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 2568	1736	java.exe	29
PID 1736 wrote to memory of 2568	1736	java.exe	29
PID 1736 wrote to memory of 2568	1736	java.exe	29
PID 1736 wrote to memory of 2612	1736	java.exe	30
PID 1736 wrote to memory of 2612	1736	java.exe	30
PID 1736 wrote to memory of 2612	1736	java.exe	30
PID 2568 wrote to memory of 2588	2568	cmd.exe	31
PID 2568 wrote to memory of 2588	2568	cmd.exe	31
PID 2568 wrote to memory of 2588	2568	cmd.exe	31
PID 2612 wrote to memory of 2880	2612	java.exe	32
PID 2612 wrote to memory of 2880	2612	java.exe	32
PID 2612 wrote to memory of 2880	2612	java.exe	32
PID 2880 wrote to memory of 2500	2880	cmd.exe	33
PID 2880 wrote to memory of 2500	2880	cmd.exe	33
PID 2880 wrote to memory of 2500	2880	cmd.exe	33
PID 2612 wrote to memory of 2440	2612	java.exe	35
PID 2612 wrote to memory of 2440	2612	java.exe	35
PID 2612 wrote to memory of 2440	2612	java.exe	35
PID 2440 wrote to memory of 2484	2440	cmd.exe	36
PID 2440 wrote to memory of 2484	2440	cmd.exe	36
PID 2440 wrote to memory of 2484	2440	cmd.exe	36
PID 2612 wrote to memory of 2852	2612	java.exe	37
PID 2612 wrote to memory of 2852	2612	java.exe	37
PID 2612 wrote to memory of 2852	2612	java.exe	37
PID 2852 wrote to memory of 568	2852	cmd.exe	38
PID 2852 wrote to memory of 568	2852	cmd.exe	38
PID 2852 wrote to memory of 568	2852	cmd.exe	38
PID 2612 wrote to memory of 1496	2612	java.exe	40
PID 2612 wrote to memory of 1496	2612	java.exe	40
PID 2612 wrote to memory of 1496	2612	java.exe	40
PID 1496 wrote to memory of 1012	1496	cmd.exe	41
PID 1496 wrote to memory of 1012	1496	cmd.exe	41
PID 1496 wrote to memory of 1012	1496	cmd.exe	41

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\TEKLIF-ISTEME.jar
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\system32\cmd.exe
  cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\TEKLIF-ISTEME.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2568
- - C:\Windows\system32\schtasks.exe
    schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\TEKLIF-ISTEME.jar"
    3⤵
    - Creates scheduled task(s)
    PID:2588
- C:\Program Files\Java\jre7\bin\java.exe
  "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\TEKLIF-ISTEME.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2612
- - 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:2880
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:2500
- - 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:2440
  - - 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:2484
- - 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:2852
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
      4⤵
      PID:568
- - 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:1496
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:localhost /namespace:'\\root\securitycenter' path antivirusproduct get displayname /format:list
      4⤵
      PID:1012

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\TEKLIF-ISTEME.jar

Filesize
64KB

MD5
2dc3ec1f2b21887d14f66045a1bf312f

SHA1
ee559cc3e69ca0c429d13576e086e2dcba323332

SHA256
361868581afd0fa1eaed8c46990eee5074342033dc26ace69eb0e5eb72876d43

SHA512
d68443266a0e5ef08fcd72d8bf0cdd3d17914f57c6fbd37e0eaf648b4dff406c4c2e55a3b2daa6dbeddc9ad656971b3dbb0b635caff65d9d28c60ea986682812

Download Submit
memory/1736-9-0x00000000022E0000-0x00000000052E0000-memory.dmp

Filesize
48.0MB

Download
memory/1736-10-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/2612-22-0x0000000002200000-0x0000000005200000-memory.dmp

Filesize
48.0MB

Download
memory/2612-29-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2612-31-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2612-32-0x0000000002200000-0x0000000005200000-memory.dmp

Filesize
48.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads