strrat | 361868581afd0fa1eaed8c46990eee5074342033dc26ace69eb0e5eb72876d43

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

Processes:

java.exe

description ioc process

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

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

Processes:

java.exe

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.

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

2588 schtasks.exe

flow	ioc
4	ip-api.com

pid	process
2588	schtasks.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

WMIC.exeWMIC.exe

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

Processes:

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

description	pid	process	target process
PID 1736 wrote to memory of 2568	1736	java.exe	cmd.exe
PID 1736 wrote to memory of 2568	1736	java.exe	cmd.exe
PID 1736 wrote to memory of 2568	1736	java.exe	cmd.exe
PID 1736 wrote to memory of 2612	1736	java.exe	java.exe
PID 1736 wrote to memory of 2612	1736	java.exe	java.exe
PID 1736 wrote to memory of 2612	1736	java.exe	java.exe
PID 2568 wrote to memory of 2588	2568	cmd.exe	schtasks.exe
PID 2568 wrote to memory of 2588	2568	cmd.exe	schtasks.exe
PID 2568 wrote to memory of 2588	2568	cmd.exe	schtasks.exe
PID 2612 wrote to memory of 2880	2612	java.exe	cmd.exe
PID 2612 wrote to memory of 2880	2612	java.exe	cmd.exe
PID 2612 wrote to memory of 2880	2612	java.exe	cmd.exe
PID 2880 wrote to memory of 2500	2880	cmd.exe	WMIC.exe
PID 2880 wrote to memory of 2500	2880	cmd.exe	WMIC.exe
PID 2880 wrote to memory of 2500	2880	cmd.exe	WMIC.exe
PID 2612 wrote to memory of 2440	2612	java.exe	cmd.exe
PID 2612 wrote to memory of 2440	2612	java.exe	cmd.exe
PID 2612 wrote to memory of 2440	2612	java.exe	cmd.exe
PID 2440 wrote to memory of 2484	2440	cmd.exe	WMIC.exe
PID 2440 wrote to memory of 2484	2440	cmd.exe	WMIC.exe
PID 2440 wrote to memory of 2484	2440	cmd.exe	WMIC.exe
PID 2612 wrote to memory of 2852	2612	java.exe	cmd.exe
PID 2612 wrote to memory of 2852	2612	java.exe	cmd.exe
PID 2612 wrote to memory of 2852	2612	java.exe	cmd.exe
PID 2852 wrote to memory of 568	2852	cmd.exe	WMIC.exe
PID 2852 wrote to memory of 568	2852	cmd.exe	WMIC.exe
PID 2852 wrote to memory of 568	2852	cmd.exe	WMIC.exe
PID 2612 wrote to memory of 1496	2612	java.exe	cmd.exe
PID 2612 wrote to memory of 1496	2612	java.exe	cmd.exe
PID 2612 wrote to memory of 1496	2612	java.exe	cmd.exe
PID 1496 wrote to memory of 1012	1496	cmd.exe	WMIC.exe
PID 1496 wrote to memory of 1012	1496	cmd.exe	WMIC.exe
PID 1496 wrote to memory of 1012	1496	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\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 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\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 Matrix ATT&CK v13

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Downloads