strrat | 361868581afd0fa1eaed8c46990eee5074342033dc26ace69eb0e5eb72876d43

General

Target

361868581afd0fa1eaed8c46990eee5074342033dc26ace69eb0e5eb72876d43.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

Detects files packed with Allatori Java Obfuscator 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2496-21-0x0000000002590000-0x0000000005590000-memory.dmp	INDICATOR_JAVA_Packed_Allatori

Drops startup file 1 IoCs

Processes:

java.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\361868581afd0fa1eaed8c46990eee5074342033dc26ace69eb0e5eb72876d43.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-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\361868581afd0fa1eaed8c46990eee5074342033dc26ace69eb0e5eb72876d43 = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\361868581afd0fa1eaed8c46990eee5074342033dc26ace69eb0e5eb72876d43.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\361868581afd0fa1eaed8c46990eee5074342033dc26ace69eb0e5eb72876d43 = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\361868581afd0fa1eaed8c46990eee5074342033dc26ace69eb0e5eb72876d43.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/Job
T1053

Processes:

schtasks.exe

pid process

2412 schtasks.exe

pid	process
2412	schtasks.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

java.execmd.exe

description	pid	process	target process
PID 2460 wrote to memory of 2732	2460	java.exe	cmd.exe
PID 2460 wrote to memory of 2732	2460	java.exe	cmd.exe
PID 2460 wrote to memory of 2732	2460	java.exe	cmd.exe
PID 2460 wrote to memory of 2496	2460	java.exe	java.exe
PID 2460 wrote to memory of 2496	2460	java.exe	java.exe
PID 2460 wrote to memory of 2496	2460	java.exe	java.exe
PID 2732 wrote to memory of 2412	2732	cmd.exe	schtasks.exe
PID 2732 wrote to memory of 2412	2732	cmd.exe	schtasks.exe
PID 2732 wrote to memory of 2412	2732	cmd.exe	schtasks.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\361868581afd0fa1eaed8c46990eee5074342033dc26ace69eb0e5eb72876d43.jar
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2460

C:\Windows\system32\cmd.exe
cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\361868581afd0fa1eaed8c46990eee5074342033dc26ace69eb0e5eb72876d43.jar"
2⤵
- Suspicious use of WriteProcessMemory
PID:2732

C:\Windows\system32\schtasks.exe
schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\361868581afd0fa1eaed8c46990eee5074342033dc26ace69eb0e5eb72876d43.jar"
3⤵
- Creates scheduled task(s)
PID:2412

C:\Program Files\Java\jre7\bin\java.exe
"C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\361868581afd0fa1eaed8c46990eee5074342033dc26ace69eb0e5eb72876d43.jar"
2⤵
PID:2496

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\361868581afd0fa1eaed8c46990eee5074342033dc26ace69eb0e5eb72876d43.jar
Filesize
64KB

MD5
2dc3ec1f2b21887d14f66045a1bf312f

SHA1
ee559cc3e69ca0c429d13576e086e2dcba323332

SHA256
361868581afd0fa1eaed8c46990eee5074342033dc26ace69eb0e5eb72876d43

SHA512
d68443266a0e5ef08fcd72d8bf0cdd3d17914f57c6fbd37e0eaf648b4dff406c4c2e55a3b2daa6dbeddc9ad656971b3dbb0b635caff65d9d28c60ea986682812

Download Submit
memory/2460-4-0x0000000002760000-0x0000000005760000-memory.dmp

Filesize
48.0MB

Download
memory/2460-10-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/2460-30-0x0000000002760000-0x0000000005760000-memory.dmp

Filesize
48.0MB

Download
memory/2496-21-0x0000000002590000-0x0000000005590000-memory.dmp

Filesize
48.0MB

Download
memory/2496-28-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/2496-31-0x0000000002590000-0x0000000005590000-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