strrat | f1485ebcdd60f6e7832578f71bf23f7f366c669f04f4906f439d85e7aadf4b8a

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-en-20211014
submitted
15-10-2021 12:31

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General

Target

Payment slip.jar
Size

184KB
MD5

b962bbefda047a3fb192d13036d1f645
SHA1

b1862abfd3b6627908745d7266e7193dd7f7d2bf
SHA256

f1485ebcdd60f6e7832578f71bf23f7f366c669f04f4906f439d85e7aadf4b8a
SHA512

4ed14d39795a32cf8319d839b57c2d3303b8fef2a89607bbe8eaf693a2bf38c5d70110b3013c2d01846628bb2a43b9b2217c55d7d6909254d442cde3e3fe1233

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\Payment slip.jar	java.exe

Loads dropped DLL 2 IoCs

pid	Process
1956	java.exe
2020	java.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows\CurrentVersion\Run\Payment slip = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Payment slip.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Payment slip = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Payment slip.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
11	ip-api.com

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre7\Payment slip.jar	java.exe

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

T1053

pid	Process
844	schtasks.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	824	WMIC.exe
Token: SeSecurityPrivilege	824	WMIC.exe
Token: SeTakeOwnershipPrivilege	824	WMIC.exe
Token: SeLoadDriverPrivilege	824	WMIC.exe
Token: SeSystemProfilePrivilege	824	WMIC.exe
Token: SeSystemtimePrivilege	824	WMIC.exe
Token: SeProfSingleProcessPrivilege	824	WMIC.exe
Token: SeIncBasePriorityPrivilege	824	WMIC.exe
Token: SeCreatePagefilePrivilege	824	WMIC.exe
Token: SeBackupPrivilege	824	WMIC.exe
Token: SeRestorePrivilege	824	WMIC.exe
Token: SeShutdownPrivilege	824	WMIC.exe
Token: SeDebugPrivilege	824	WMIC.exe
Token: SeSystemEnvironmentPrivilege	824	WMIC.exe
Token: SeRemoteShutdownPrivilege	824	WMIC.exe
Token: SeUndockPrivilege	824	WMIC.exe
Token: SeManageVolumePrivilege	824	WMIC.exe
Token: 33	824	WMIC.exe
Token: 34	824	WMIC.exe
Token: 35	824	WMIC.exe
Token: SeIncreaseQuotaPrivilege	824	WMIC.exe
Token: SeSecurityPrivilege	824	WMIC.exe
Token: SeTakeOwnershipPrivilege	824	WMIC.exe
Token: SeLoadDriverPrivilege	824	WMIC.exe
Token: SeSystemProfilePrivilege	824	WMIC.exe
Token: SeSystemtimePrivilege	824	WMIC.exe
Token: SeProfSingleProcessPrivilege	824	WMIC.exe
Token: SeIncBasePriorityPrivilege	824	WMIC.exe
Token: SeCreatePagefilePrivilege	824	WMIC.exe
Token: SeBackupPrivilege	824	WMIC.exe
Token: SeRestorePrivilege	824	WMIC.exe
Token: SeShutdownPrivilege	824	WMIC.exe
Token: SeDebugPrivilege	824	WMIC.exe
Token: SeSystemEnvironmentPrivilege	824	WMIC.exe
Token: SeRemoteShutdownPrivilege	824	WMIC.exe
Token: SeUndockPrivilege	824	WMIC.exe
Token: SeManageVolumePrivilege	824	WMIC.exe
Token: 33	824	WMIC.exe
Token: 34	824	WMIC.exe
Token: 35	824	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1124	WMIC.exe
Token: SeSecurityPrivilege	1124	WMIC.exe
Token: SeTakeOwnershipPrivilege	1124	WMIC.exe
Token: SeLoadDriverPrivilege	1124	WMIC.exe
Token: SeSystemProfilePrivilege	1124	WMIC.exe
Token: SeSystemtimePrivilege	1124	WMIC.exe
Token: SeProfSingleProcessPrivilege	1124	WMIC.exe
Token: SeIncBasePriorityPrivilege	1124	WMIC.exe
Token: SeCreatePagefilePrivilege	1124	WMIC.exe
Token: SeBackupPrivilege	1124	WMIC.exe
Token: SeRestorePrivilege	1124	WMIC.exe
Token: SeShutdownPrivilege	1124	WMIC.exe
Token: SeDebugPrivilege	1124	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1124	WMIC.exe
Token: SeRemoteShutdownPrivilege	1124	WMIC.exe
Token: SeUndockPrivilege	1124	WMIC.exe
Token: SeManageVolumePrivilege	1124	WMIC.exe
Token: 33	1124	WMIC.exe
Token: 34	1124	WMIC.exe
Token: 35	1124	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1124	WMIC.exe
Token: SeSecurityPrivilege	1124	WMIC.exe
Token: SeTakeOwnershipPrivilege	1124	WMIC.exe
Token: SeLoadDriverPrivilege	1124	WMIC.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 1180	1620	java.exe	28
PID 1620 wrote to memory of 1180	1620	java.exe	28
PID 1620 wrote to memory of 1180	1620	java.exe	28
PID 1180 wrote to memory of 1956	1180	java.exe	29
PID 1180 wrote to memory of 1956	1180	java.exe	29
PID 1180 wrote to memory of 1956	1180	java.exe	29
PID 1956 wrote to memory of 696	1956	java.exe	30
PID 1956 wrote to memory of 696	1956	java.exe	30
PID 1956 wrote to memory of 696	1956	java.exe	30
PID 1956 wrote to memory of 2020	1956	java.exe	31
PID 1956 wrote to memory of 2020	1956	java.exe	31
PID 1956 wrote to memory of 2020	1956	java.exe	31
PID 696 wrote to memory of 844	696	cmd.exe	32
PID 696 wrote to memory of 844	696	cmd.exe	32
PID 696 wrote to memory of 844	696	cmd.exe	32
PID 2020 wrote to memory of 1132	2020	java.exe	33
PID 2020 wrote to memory of 1132	2020	java.exe	33
PID 2020 wrote to memory of 1132	2020	java.exe	33
PID 1132 wrote to memory of 824	1132	cmd.exe	34
PID 1132 wrote to memory of 824	1132	cmd.exe	34
PID 1132 wrote to memory of 824	1132	cmd.exe	34
PID 2020 wrote to memory of 588	2020	java.exe	38
PID 2020 wrote to memory of 588	2020	java.exe	38
PID 2020 wrote to memory of 588	2020	java.exe	38
PID 588 wrote to memory of 1124	588	cmd.exe	39
PID 588 wrote to memory of 1124	588	cmd.exe	39
PID 588 wrote to memory of 1124	588	cmd.exe	39
PID 2020 wrote to memory of 1668	2020	java.exe	40
PID 2020 wrote to memory of 1668	2020	java.exe	40
PID 2020 wrote to memory of 1668	2020	java.exe	40
PID 1668 wrote to memory of 1644	1668	cmd.exe	41
PID 1668 wrote to memory of 1644	1668	cmd.exe	41
PID 1668 wrote to memory of 1644	1668	cmd.exe	41
PID 2020 wrote to memory of 1996	2020	java.exe	42
PID 2020 wrote to memory of 1996	2020	java.exe	42
PID 2020 wrote to memory of 1996	2020	java.exe	42
PID 1996 wrote to memory of 1692	1996	cmd.exe	43
PID 1996 wrote to memory of 1692	1996	cmd.exe	43
PID 1996 wrote to memory of 1692	1996	cmd.exe	43

C:\Windows\system32\java.exe
java -jar "C:\Users\Admin\AppData\Local\Temp\Payment slip.jar"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Program Files\Java\jre7\bin\java.exe
  "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Program Files\Java\jre7\Payment slip.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1180
- - C:\Program Files\Java\jre7\bin\java.exe
    "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\Payment slip.jar"
    3⤵
    - Drops startup file
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:1956
  - - C:\Windows\system32\cmd.exe
      cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Payment slip.jar"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:696
    - - C:\Windows\system32\schtasks.exe
        
        schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Payment slip.jar"
        5⤵
        Creates scheduled task(s)
        
        PID:844
  - - C:\Program Files\Java\jre7\bin\java.exe
      "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\Payment slip.jar"
      4⤵
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:2020
    - - C:\Windows\system32\cmd.exe
        
        cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1132
      - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
        6⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:824
    - - C:\Windows\system32\cmd.exe
        
        cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:588
      - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
        6⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:1124
    - - C:\Windows\system32\cmd.exe
        
        cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1668
      - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
        6⤵
        
        PID:1644
    - - C:\Windows\system32\cmd.exe
        
        cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter' path antivirusproduct get displayname /format:list"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1996
      - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:localhost /namespace:'\\root\securitycenter' path antivirusproduct get displayname /format:list
        6⤵
        
        PID:1692

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

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1180-88-0x0000000000420000-0x0000000000421000-memory.dmp

Filesize
4KB

Download
memory/1180-87-0x0000000002120000-0x0000000002390000-memory.dmp

Filesize
2.4MB

Download
memory/1180-90-0x0000000000420000-0x0000000000421000-memory.dmp

Filesize
4KB

Download
memory/1620-73-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1620-69-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1620-56-0x00000000022A0000-0x0000000002510000-memory.dmp

Filesize
2.4MB

Download
memory/1620-57-0x00000000022A0000-0x0000000002510000-memory.dmp

Filesize
2.4MB

Download
memory/1620-83-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1620-75-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1620-55-0x000007FEFB7B1000-0x000007FEFB7B3000-memory.dmp

Filesize
8KB

Download
memory/1620-58-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1620-72-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1620-59-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1620-63-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1620-64-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1620-71-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1620-65-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1620-66-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1620-68-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1956-113-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/1956-102-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/1956-108-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/1956-95-0x0000000002110000-0x0000000002380000-memory.dmp

Filesize
2.4MB

Download
memory/1956-94-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/2020-116-0x0000000002140000-0x00000000023B0000-memory.dmp

Filesize
2.4MB

Download
memory/2020-117-0x0000000001B50000-0x0000000001B51000-memory.dmp

Filesize
4KB

Download
memory/2020-132-0x0000000001B50000-0x0000000001B51000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads