strrat | 43e480eaff9c6da18d3c042231ed82f0a09a7adb3301311c159941e75a105a2c

Analysis

max time kernel
145s
max time network
148s
platform
windows10_x64
resource
win10v20201028
submitted
04-11-2020 18:11

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General

Target

02_extracted.jar
Size

83KB
MD5

9250c46915d7fc36a5605a3756447dec
SHA1

b33288cc02bf24008488b14e648943a214265067
SHA256

43e480eaff9c6da18d3c042231ed82f0a09a7adb3301311c159941e75a105a2c
SHA512

093e64939119d1d742428379ec05460a00c6b4d96c4e8fcb425bcd752cacfd18a394fe7d04671fd9f131beb89a41e9e0517d1238430820e5347e271a1090dc05

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\02_extracted.jar	java.exe

Loads dropped DLL 3 IoCs

pid	Process
3448	java.exe
1200	java.exe
2592	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-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\02_extracted = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\02_extracted.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\02_extracted = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\02_extracted.jar\""	java.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\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	3232	WMIC.exe
Token: SeSecurityPrivilege	3232	WMIC.exe
Token: SeTakeOwnershipPrivilege	3232	WMIC.exe
Token: SeLoadDriverPrivilege	3232	WMIC.exe
Token: SeSystemProfilePrivilege	3232	WMIC.exe
Token: SeSystemtimePrivilege	3232	WMIC.exe
Token: SeProfSingleProcessPrivilege	3232	WMIC.exe
Token: SeIncBasePriorityPrivilege	3232	WMIC.exe
Token: SeCreatePagefilePrivilege	3232	WMIC.exe
Token: SeBackupPrivilege	3232	WMIC.exe
Token: SeRestorePrivilege	3232	WMIC.exe
Token: SeShutdownPrivilege	3232	WMIC.exe
Token: SeDebugPrivilege	3232	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3232	WMIC.exe
Token: SeRemoteShutdownPrivilege	3232	WMIC.exe
Token: SeUndockPrivilege	3232	WMIC.exe
Token: SeManageVolumePrivilege	3232	WMIC.exe
Token: 33	3232	WMIC.exe
Token: 34	3232	WMIC.exe
Token: 35	3232	WMIC.exe
Token: 36	3232	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3232	WMIC.exe
Token: SeSecurityPrivilege	3232	WMIC.exe
Token: SeTakeOwnershipPrivilege	3232	WMIC.exe
Token: SeLoadDriverPrivilege	3232	WMIC.exe
Token: SeSystemProfilePrivilege	3232	WMIC.exe
Token: SeSystemtimePrivilege	3232	WMIC.exe
Token: SeProfSingleProcessPrivilege	3232	WMIC.exe
Token: SeIncBasePriorityPrivilege	3232	WMIC.exe
Token: SeCreatePagefilePrivilege	3232	WMIC.exe
Token: SeBackupPrivilege	3232	WMIC.exe
Token: SeRestorePrivilege	3232	WMIC.exe
Token: SeShutdownPrivilege	3232	WMIC.exe
Token: SeDebugPrivilege	3232	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3232	WMIC.exe
Token: SeRemoteShutdownPrivilege	3232	WMIC.exe
Token: SeUndockPrivilege	3232	WMIC.exe
Token: SeManageVolumePrivilege	3232	WMIC.exe
Token: 33	3232	WMIC.exe
Token: 34	3232	WMIC.exe
Token: 35	3232	WMIC.exe
Token: 36	3232	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1328	WMIC.exe
Token: SeSecurityPrivilege	1328	WMIC.exe
Token: SeTakeOwnershipPrivilege	1328	WMIC.exe
Token: SeLoadDriverPrivilege	1328	WMIC.exe
Token: SeSystemProfilePrivilege	1328	WMIC.exe
Token: SeSystemtimePrivilege	1328	WMIC.exe
Token: SeProfSingleProcessPrivilege	1328	WMIC.exe
Token: SeIncBasePriorityPrivilege	1328	WMIC.exe
Token: SeCreatePagefilePrivilege	1328	WMIC.exe
Token: SeBackupPrivilege	1328	WMIC.exe
Token: SeRestorePrivilege	1328	WMIC.exe
Token: SeShutdownPrivilege	1328	WMIC.exe
Token: SeDebugPrivilege	1328	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1328	WMIC.exe
Token: SeRemoteShutdownPrivilege	1328	WMIC.exe
Token: SeUndockPrivilege	1328	WMIC.exe
Token: SeManageVolumePrivilege	1328	WMIC.exe
Token: 33	1328	WMIC.exe
Token: 34	1328	WMIC.exe
Token: 35	1328	WMIC.exe
Token: 36	1328	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1328	WMIC.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1036 wrote to memory of 3448	1036	java.exe	77
PID 1036 wrote to memory of 3448	1036	java.exe	77
PID 3448 wrote to memory of 1200	3448	java.exe	82
PID 3448 wrote to memory of 1200	3448	java.exe	82
PID 1200 wrote to memory of 2592	1200	java.exe	84
PID 1200 wrote to memory of 2592	1200	java.exe	84
PID 1200 wrote to memory of 512	1200	java.exe	86
PID 1200 wrote to memory of 512	1200	java.exe	86
PID 512 wrote to memory of 3232	512	cmd.exe	88
PID 512 wrote to memory of 3232	512	cmd.exe	88
PID 1200 wrote to memory of 2080	1200	java.exe	90
PID 1200 wrote to memory of 2080	1200	java.exe	90
PID 2080 wrote to memory of 1328	2080	cmd.exe	92
PID 2080 wrote to memory of 1328	2080	cmd.exe	92
PID 1200 wrote to memory of 876	1200	java.exe	93
PID 1200 wrote to memory of 876	1200	java.exe	93
PID 876 wrote to memory of 3400	876	cmd.exe	95
PID 876 wrote to memory of 3400	876	cmd.exe	95
PID 1200 wrote to memory of 1512	1200	java.exe	96
PID 1200 wrote to memory of 1512	1200	java.exe	96
PID 1512 wrote to memory of 1856	1512	cmd.exe	98
PID 1512 wrote to memory of 1856	1512	cmd.exe	98

C:\ProgramData\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\02_extracted.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:1036
- 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\02_extracted.jar"
  2⤵
  - Drops startup file
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3448
- - 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\02_extracted.jar"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1200
  - - 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:2592
  - - 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:512
    - - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:3232
  - - 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:2080
    - - 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:1328
  - - 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:876
    - - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
        5⤵
        
        PID:3400
  - - 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:1512
    - - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
        5⤵
        
        PID:1856

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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