strrat | 4b8d0b78d89d1907b33b64cd146900580c7d50771ad7f224c4aaebec14eb3212

Analysis

max time kernel
83s
max time network
33s
platform
windows7_x64
resource
win7-20230621-en
resource tags

arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
submitted
30/06/2023, 14:09

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General

Target

PaymentAdvicejarjarjar.jar
Size

70KB
MD5

4761d770468b1b41eb0aa26c57e4e605
SHA1

d5674e55de3521a89b9e0b04bac2b96bf7d187f4
SHA256

4b8d0b78d89d1907b33b64cd146900580c7d50771ad7f224c4aaebec14eb3212
SHA512

4feb251474ac747ff07df3a29c1c70ba0781df2759e90352433500b03143e8f78273087dc17c660b32c7cb62fa5d975daef10dfae52bfb7729d5a007fa8f472c
SSDEEP

1536:qRG3rplWPsBziFqGWGuhqqOGgPqNGAO53N+3:qRGb2meFqGWGuhq3Gpa5303

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\PaymentAdvicejarjarjar.jar	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-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Windows\CurrentVersion\Run\PaymentAdvicejarjarjar = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\PaymentAdvicejarjarjar.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PaymentAdvicejarjarjar = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\PaymentAdvicejarjarjar.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
472	schtasks.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 112	1016	java.exe	27
PID 1016 wrote to memory of 112	1016	java.exe	27
PID 1016 wrote to memory of 112	1016	java.exe	27
PID 1016 wrote to memory of 1676	1016	java.exe	28
PID 1016 wrote to memory of 1676	1016	java.exe	28
PID 1016 wrote to memory of 1676	1016	java.exe	28
PID 112 wrote to memory of 472	112	cmd.exe	29
PID 112 wrote to memory of 472	112	cmd.exe	29
PID 112 wrote to memory of 472	112	cmd.exe	29

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\PaymentAdvicejarjarjar.jar
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\system32\cmd.exe
  cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PaymentAdvicejarjarjar.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:112
- - C:\Windows\system32\schtasks.exe
    schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PaymentAdvicejarjarjar.jar"
    3⤵
    - Creates scheduled task(s)
    PID:472
- C:\Program Files\Java\jre7\bin\java.exe
  "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\PaymentAdvicejarjarjar.jar"
  2⤵
  PID:1676

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

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\PaymentAdvicejarjarjar.jar

Filesize
70KB

MD5
4761d770468b1b41eb0aa26c57e4e605

SHA1
d5674e55de3521a89b9e0b04bac2b96bf7d187f4

SHA256
4b8d0b78d89d1907b33b64cd146900580c7d50771ad7f224c4aaebec14eb3212

SHA512
4feb251474ac747ff07df3a29c1c70ba0781df2759e90352433500b03143e8f78273087dc17c660b32c7cb62fa5d975daef10dfae52bfb7729d5a007fa8f472c

Download Submit
C:\Users\Admin\AppData\Roaming\PaymentAdvicejarjarjar.jar

Filesize
70KB

MD5
4761d770468b1b41eb0aa26c57e4e605

SHA1
d5674e55de3521a89b9e0b04bac2b96bf7d187f4

SHA256
4b8d0b78d89d1907b33b64cd146900580c7d50771ad7f224c4aaebec14eb3212

SHA512
4feb251474ac747ff07df3a29c1c70ba0781df2759e90352433500b03143e8f78273087dc17c660b32c7cb62fa5d975daef10dfae52bfb7729d5a007fa8f472c

Download Submit
memory/1016-63-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads