strrat | 89fccb259fa583055e8ebb83c1dda513ecd679920772a4e3007d40e386bb356d

Analysis

max time kernel
148s
max time network
151s
platform
windows10_x64
resource
win10v20201028
submitted
28/11/2020, 07:14

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General

Target

PO348578.jar
Size

87KB
MD5

f08321c792956de8227306444e50158a
SHA1

06b8fb6c223b35c09f30ff1ecc519deb723a7e60
SHA256

89fccb259fa583055e8ebb83c1dda513ecd679920772a4e3007d40e386bb356d
SHA512

1789ca5a68bf5822bcb41c6779300b8f7b19c039a2f081e960d360ddf2f775e35c650956419604b233c0614025f46d11b4d712484cda032a65e6d8d282a1859f

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\PO348578.jar	java.exe

Loads dropped DLL 3 IoCs

pid	Process
3384	java.exe
2604	java.exe
2608	java.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\PO348578 = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\PO348578.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PO348578 = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\PO348578.jar\""	java.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\plugins = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\plugins.jar\" mp"	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\plugins = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\plugins.jar\" mp"	java.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

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
22	ip-api.com

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	188	WMIC.exe
Token: SeSecurityPrivilege	188	WMIC.exe
Token: SeTakeOwnershipPrivilege	188	WMIC.exe
Token: SeLoadDriverPrivilege	188	WMIC.exe
Token: SeSystemProfilePrivilege	188	WMIC.exe
Token: SeSystemtimePrivilege	188	WMIC.exe
Token: SeProfSingleProcessPrivilege	188	WMIC.exe
Token: SeIncBasePriorityPrivilege	188	WMIC.exe
Token: SeCreatePagefilePrivilege	188	WMIC.exe
Token: SeBackupPrivilege	188	WMIC.exe
Token: SeRestorePrivilege	188	WMIC.exe
Token: SeShutdownPrivilege	188	WMIC.exe
Token: SeDebugPrivilege	188	WMIC.exe
Token: SeSystemEnvironmentPrivilege	188	WMIC.exe
Token: SeRemoteShutdownPrivilege	188	WMIC.exe
Token: SeUndockPrivilege	188	WMIC.exe
Token: SeManageVolumePrivilege	188	WMIC.exe
Token: 33	188	WMIC.exe
Token: 34	188	WMIC.exe
Token: 35	188	WMIC.exe
Token: 36	188	WMIC.exe
Token: SeIncreaseQuotaPrivilege	188	WMIC.exe
Token: SeSecurityPrivilege	188	WMIC.exe
Token: SeTakeOwnershipPrivilege	188	WMIC.exe
Token: SeLoadDriverPrivilege	188	WMIC.exe
Token: SeSystemProfilePrivilege	188	WMIC.exe
Token: SeSystemtimePrivilege	188	WMIC.exe
Token: SeProfSingleProcessPrivilege	188	WMIC.exe
Token: SeIncBasePriorityPrivilege	188	WMIC.exe
Token: SeCreatePagefilePrivilege	188	WMIC.exe
Token: SeBackupPrivilege	188	WMIC.exe
Token: SeRestorePrivilege	188	WMIC.exe
Token: SeShutdownPrivilege	188	WMIC.exe
Token: SeDebugPrivilege	188	WMIC.exe
Token: SeSystemEnvironmentPrivilege	188	WMIC.exe
Token: SeRemoteShutdownPrivilege	188	WMIC.exe
Token: SeUndockPrivilege	188	WMIC.exe
Token: SeManageVolumePrivilege	188	WMIC.exe
Token: 33	188	WMIC.exe
Token: 34	188	WMIC.exe
Token: 35	188	WMIC.exe
Token: 36	188	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2632	WMIC.exe
Token: SeSecurityPrivilege	2632	WMIC.exe
Token: SeTakeOwnershipPrivilege	2632	WMIC.exe
Token: SeLoadDriverPrivilege	2632	WMIC.exe
Token: SeSystemProfilePrivilege	2632	WMIC.exe
Token: SeSystemtimePrivilege	2632	WMIC.exe
Token: SeProfSingleProcessPrivilege	2632	WMIC.exe
Token: SeIncBasePriorityPrivilege	2632	WMIC.exe
Token: SeCreatePagefilePrivilege	2632	WMIC.exe
Token: SeBackupPrivilege	2632	WMIC.exe
Token: SeRestorePrivilege	2632	WMIC.exe
Token: SeShutdownPrivilege	2632	WMIC.exe
Token: SeDebugPrivilege	2632	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2632	WMIC.exe
Token: SeRemoteShutdownPrivilege	2632	WMIC.exe
Token: SeUndockPrivilege	2632	WMIC.exe
Token: SeManageVolumePrivilege	2632	WMIC.exe
Token: 33	2632	WMIC.exe
Token: 34	2632	WMIC.exe
Token: 35	2632	WMIC.exe
Token: 36	2632	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2632	WMIC.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 3384	540	java.exe	78
PID 540 wrote to memory of 3384	540	java.exe	78
PID 3384 wrote to memory of 2604	3384	java.exe	80
PID 3384 wrote to memory of 2604	3384	java.exe	80
PID 2604 wrote to memory of 2608	2604	java.exe	83
PID 2604 wrote to memory of 2608	2604	java.exe	83
PID 2604 wrote to memory of 688	2604	java.exe	85
PID 2604 wrote to memory of 688	2604	java.exe	85
PID 688 wrote to memory of 188	688	cmd.exe	87
PID 688 wrote to memory of 188	688	cmd.exe	87
PID 2604 wrote to memory of 3896	2604	java.exe	88
PID 2604 wrote to memory of 3896	2604	java.exe	88
PID 3896 wrote to memory of 2632	3896	cmd.exe	90
PID 3896 wrote to memory of 2632	3896	cmd.exe	90
PID 2604 wrote to memory of 3628	2604	java.exe	91
PID 2604 wrote to memory of 3628	2604	java.exe	91
PID 3628 wrote to memory of 3056	3628	cmd.exe	93
PID 3628 wrote to memory of 3056	3628	cmd.exe	93
PID 2604 wrote to memory of 2824	2604	java.exe	94
PID 2604 wrote to memory of 2824	2604	java.exe	94
PID 2824 wrote to memory of 2260	2824	cmd.exe	96
PID 2824 wrote to memory of 2260	2824	cmd.exe	96

C:\ProgramData\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\PO348578.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:540
- C:\Program Files\Java\jre1.8.0_66\bin\java.exe
  "C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\PO348578.jar"
  2⤵
  - Drops startup file
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3384
- - C:\Program Files\Java\jre1.8.0_66\bin\java.exe
    "C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\PO348578.jar"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2604
  - - C:\Program Files\Java\jre1.8.0_66\bin\java.exe
      "C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\plugins.jar" mp
      4⤵
      Loads dropped DLL
      Adds Run key to start application
      PID:2608
  - - C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:688
    - - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:188
  - - C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3896
    - - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:2632
  - - C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3628
    - - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
        5⤵
        
        PID:3056
  - - C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2824
    - - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
        5⤵
        
        PID:2260

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Web Service

T1102

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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