strrat | 9c3abdcc93fb3e179e4ea80afd21df14b6a6f7b23669cef03de2741fb0c0485b

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

Processes:

java.exe

description ioc process

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

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

Processes:

java.exe

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.

Processes:

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

Processes:

schtasks.exe

pid process

2712 schtasks.exe

flow	ioc
4	ip-api.com

pid	process
2712	schtasks.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

WMIC.exeWMIC.exe

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

Processes:

java.execmd.exejava.execmd.execmd.execmd.execmd.exe

description	pid	process	target process
PID 2320 wrote to memory of 2612	2320	java.exe	cmd.exe
PID 2320 wrote to memory of 2612	2320	java.exe	cmd.exe
PID 2320 wrote to memory of 2612	2320	java.exe	cmd.exe
PID 2320 wrote to memory of 2588	2320	java.exe	java.exe
PID 2320 wrote to memory of 2588	2320	java.exe	java.exe
PID 2320 wrote to memory of 2588	2320	java.exe	java.exe
PID 2612 wrote to memory of 2712	2612	cmd.exe	schtasks.exe
PID 2612 wrote to memory of 2712	2612	cmd.exe	schtasks.exe
PID 2612 wrote to memory of 2712	2612	cmd.exe	schtasks.exe
PID 2588 wrote to memory of 2480	2588	java.exe	cmd.exe
PID 2588 wrote to memory of 2480	2588	java.exe	cmd.exe
PID 2588 wrote to memory of 2480	2588	java.exe	cmd.exe
PID 2480 wrote to memory of 2512	2480	cmd.exe	WMIC.exe
PID 2480 wrote to memory of 2512	2480	cmd.exe	WMIC.exe
PID 2480 wrote to memory of 2512	2480	cmd.exe	WMIC.exe
PID 2588 wrote to memory of 1548	2588	java.exe	cmd.exe
PID 2588 wrote to memory of 1548	2588	java.exe	cmd.exe
PID 2588 wrote to memory of 1548	2588	java.exe	cmd.exe
PID 1548 wrote to memory of 1936	1548	cmd.exe	WMIC.exe
PID 1548 wrote to memory of 1936	1548	cmd.exe	WMIC.exe
PID 1548 wrote to memory of 1936	1548	cmd.exe	WMIC.exe
PID 2588 wrote to memory of 2864	2588	java.exe	cmd.exe
PID 2588 wrote to memory of 2864	2588	java.exe	cmd.exe
PID 2588 wrote to memory of 2864	2588	java.exe	cmd.exe
PID 2864 wrote to memory of 2872	2864	cmd.exe	WMIC.exe
PID 2864 wrote to memory of 2872	2864	cmd.exe	WMIC.exe
PID 2864 wrote to memory of 2872	2864	cmd.exe	WMIC.exe
PID 2588 wrote to memory of 2860	2588	java.exe	cmd.exe
PID 2588 wrote to memory of 2860	2588	java.exe	cmd.exe
PID 2588 wrote to memory of 2860	2588	java.exe	cmd.exe
PID 2860 wrote to memory of 2876	2860	cmd.exe	WMIC.exe
PID 2860 wrote to memory of 2876	2860	cmd.exe	WMIC.exe
PID 2860 wrote to memory of 2876	2860	cmd.exe	WMIC.exe

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 Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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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 Matrix ATT&CK v13

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Downloads