strrat | 506208ef17c137ddc100e316b394479251184e622bc81a54250340d525e20a53

Analysis

max time kernel
125s
max time network
128s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
03-04-2024 01:19

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General

Target

506208ef17c137ddc100e316b394479251184e622bc81a54250340d525e20a53.jar
Size

66KB
MD5

d3750bcff315622063c92704a3247186
SHA1

9f3807e776dee2c7fe0afa370c8ac8c6971dfab8
SHA256

506208ef17c137ddc100e316b394479251184e622bc81a54250340d525e20a53
SHA512

807e15c8ed8e988a01ca8af6f63b06ed897d2a77ac070c0a02370a789421fb741c785b846a24a0084a21c35dd1462dcdd08ddaef6c665112dd40a9b7e2bb1c1e
SSDEEP

1536:txuvjSsHfnuZ77A31Za/dDcvNrx7H2ldh:yvjSmnaU31ZOKNN2Lh

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\506208ef17c137ddc100e316b394479251184e622bc81a54250340d525e20a53.jar	java.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\506208ef17c137ddc100e316b394479251184e622bc81a54250340d525e20a53 = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\506208ef17c137ddc100e316b394479251184e622bc81a54250340d525e20a53.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\506208ef17c137ddc100e316b394479251184e622bc81a54250340d525e20a53 = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\506208ef17c137ddc100e316b394479251184e622bc81a54250340d525e20a53.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

pid	Process
2592	schtasks.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 2696	1744	java.exe	29
PID 1744 wrote to memory of 2696	1744	java.exe	29
PID 1744 wrote to memory of 2696	1744	java.exe	29
PID 1744 wrote to memory of 2792	1744	java.exe	30
PID 1744 wrote to memory of 2792	1744	java.exe	30
PID 1744 wrote to memory of 2792	1744	java.exe	30
PID 2696 wrote to memory of 2592	2696	cmd.exe	31
PID 2696 wrote to memory of 2592	2696	cmd.exe	31
PID 2696 wrote to memory of 2592	2696	cmd.exe	31

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\506208ef17c137ddc100e316b394479251184e622bc81a54250340d525e20a53.jar
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\system32\cmd.exe
  cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\506208ef17c137ddc100e316b394479251184e622bc81a54250340d525e20a53.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2696
- - C:\Windows\system32\schtasks.exe
    schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\506208ef17c137ddc100e316b394479251184e622bc81a54250340d525e20a53.jar"
    3⤵
    - Creates scheduled task(s)
    PID:2592
- C:\Program Files\Java\jre7\bin\java.exe
  "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\506208ef17c137ddc100e316b394479251184e622bc81a54250340d525e20a53.jar"
  2⤵
  PID:2792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

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\506208ef17c137ddc100e316b394479251184e622bc81a54250340d525e20a53.jar

Filesize
66KB

MD5
d3750bcff315622063c92704a3247186

SHA1
9f3807e776dee2c7fe0afa370c8ac8c6971dfab8

SHA256
506208ef17c137ddc100e316b394479251184e622bc81a54250340d525e20a53

SHA512
807e15c8ed8e988a01ca8af6f63b06ed897d2a77ac070c0a02370a789421fb741c785b846a24a0084a21c35dd1462dcdd08ddaef6c665112dd40a9b7e2bb1c1e

Download Submit
memory/1744-9-0x0000000002590000-0x0000000005590000-memory.dmp

Filesize
48.0MB

Download
memory/1744-10-0x0000000000440000-0x0000000000441000-memory.dmp

Filesize
4KB

Download
memory/1744-21-0x0000000002590000-0x0000000005590000-memory.dmp

Filesize
48.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads