strrat | ba3869476b4473176eaa47204430c75eb2f9f3a4b67cb025fe62ffc344c79139

Analysis

max time kernel
296s
max time network
300s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2025, 14:06

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General

Target

DOCUMENTS002.PDF.jar
Size

211KB
MD5

1d85e90da37068b469c780fc7a48e39d
SHA1

fd8c444b811ed76f1f21656db03fc4488cc07309
SHA256

5f254a78f046f08ddd45e1c1dfcdb3fe0be8258b207f874bc95bf269fe0713fa
SHA512

f65fae46e5a6320e052a52b5535e2c0a84b569abd4d1ea314499ec6791172492a3e4f36462bd88a22638fa75cdf2bc1049a313a7389097e66b87cbe435878e23
SSDEEP

3072:szR7A2Y0gUMxGZrrOVCobiBTr7zVTL8mPfiswap2OGr64BH4eyfJuoXvIFLB+yTz:4RLtMxyOVHiF75Tok7p2hNkIF1+yTbYQ

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
Strrat family
strrat

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DOCUMENTS002.PDF.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-1-5-21-100612193-3312047696-905266872-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DOCUMENTS002.PDF = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\DOCUMENTS002.PDF.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DOCUMENTS002.PDF = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\DOCUMENTS002.PDF.jar\""	java.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
972	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4748 wrote to memory of 2004	4748	java.exe	87
PID 4748 wrote to memory of 2004	4748	java.exe	87
PID 4748 wrote to memory of 4248	4748	java.exe	89
PID 4748 wrote to memory of 4248	4748	java.exe	89
PID 2004 wrote to memory of 972	2004	cmd.exe	91
PID 2004 wrote to memory of 972	2004	cmd.exe	91

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:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\DOCUMENTS002.PDF.jar
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4748
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\DOCUMENTS002.PDF.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2004
- - C:\Windows\system32\schtasks.exe
    schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\DOCUMENTS002.PDF.jar"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:972
- C:\Program Files\Java\jre-1.8\bin\java.exe
  "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\DOCUMENTS002.PDF.jar"
  2⤵
  PID:4248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\DOCUMENTS002.PDF.jar

Filesize
211KB

MD5
1d85e90da37068b469c780fc7a48e39d

SHA1
fd8c444b811ed76f1f21656db03fc4488cc07309

SHA256
5f254a78f046f08ddd45e1c1dfcdb3fe0be8258b207f874bc95bf269fe0713fa

SHA512
f65fae46e5a6320e052a52b5535e2c0a84b569abd4d1ea314499ec6791172492a3e4f36462bd88a22638fa75cdf2bc1049a313a7389097e66b87cbe435878e23

Download Submit
C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

Filesize
46B

MD5
9a0f511c5943c1b2cd9ad47a4374a4fb

SHA1
4280eb974b59d332cc0dd56ec4c4a9c73d5f676f

SHA256
3ff21e9d492ed6577cd3d387140e80ae9bf20ac8a2c3d459872aed2198a460b2

SHA512
75cb0fcf75f4dd322d74a97d330b76bc363b5a7c1f952040d59cae38b576d2cb51ce540d3131936c5ecf6188056da96f1467d3125c4443742cc62752fcc5bb78

Download Submit
memory/4248-76-0x0000019751880000-0x0000019751890000-memory.dmp

Filesize
64KB

Download
memory/4248-74-0x0000019751610000-0x0000019751880000-memory.dmp

Filesize
2.4MB

Download
memory/4248-81-0x00000197518D0000-0x00000197518E0000-memory.dmp

Filesize
64KB

Download
memory/4248-80-0x00000197518C0000-0x00000197518D0000-memory.dmp

Filesize
64KB

Download
memory/4248-79-0x00000197518B0000-0x00000197518C0000-memory.dmp

Filesize
64KB

Download
memory/4248-78-0x00000197518A0000-0x00000197518B0000-memory.dmp

Filesize
64KB

Download
memory/4248-84-0x00000197518F0000-0x0000019751900000-memory.dmp

Filesize
64KB

Download
memory/4248-77-0x0000019751890000-0x00000197518A0000-memory.dmp

Filesize
64KB

Download
memory/4248-60-0x0000019751880000-0x0000019751890000-memory.dmp

Filesize
64KB

Download
memory/4248-82-0x00000197518E0000-0x00000197518F0000-memory.dmp

Filesize
64KB

Download
memory/4248-73-0x000001974FD80000-0x000001974FD81000-memory.dmp

Filesize
4KB

Download
memory/4248-71-0x00000197518E0000-0x00000197518F0000-memory.dmp

Filesize
64KB

Download
memory/4248-65-0x00000197518B0000-0x00000197518C0000-memory.dmp

Filesize
64KB

Download
memory/4248-48-0x0000019751610000-0x0000019751880000-memory.dmp

Filesize
2.4MB

Download
memory/4248-68-0x00000197518C0000-0x00000197518D0000-memory.dmp

Filesize
64KB

Download
memory/4248-69-0x00000197518D0000-0x00000197518E0000-memory.dmp

Filesize
64KB

Download
memory/4248-64-0x00000197518A0000-0x00000197518B0000-memory.dmp

Filesize
64KB

Download
memory/4248-85-0x00000197518F0000-0x0000019751900000-memory.dmp

Filesize
64KB

Download
memory/4248-61-0x0000019751890000-0x00000197518A0000-memory.dmp

Filesize
64KB

Download
memory/4748-34-0x000001FC8AA40000-0x000001FC8AA41000-memory.dmp

Filesize
4KB

Download
memory/4748-38-0x000001FC8ACE0000-0x000001FC8ACF0000-memory.dmp

Filesize
64KB

Download
memory/4748-37-0x000001FC8ACD0000-0x000001FC8ACE0000-memory.dmp

Filesize
64KB

Download
memory/4748-39-0x000001FC8ACF0000-0x000001FC8AD00000-memory.dmp

Filesize
64KB

Download
memory/4748-41-0x000001FC8AD10000-0x000001FC8AD20000-memory.dmp

Filesize
64KB

Download
memory/4748-42-0x000001FC8AD20000-0x000001FC8AD30000-memory.dmp

Filesize
64KB

Download
memory/4748-43-0x000001FC8AD30000-0x000001FC8AD40000-memory.dmp

Filesize
64KB

Download
memory/4748-44-0x000001FC8AD50000-0x000001FC8AD60000-memory.dmp

Filesize
64KB

Download
memory/4748-40-0x000001FC8AD00000-0x000001FC8AD10000-memory.dmp

Filesize
64KB

Download
memory/4748-36-0x000001FC8AA60000-0x000001FC8ACD0000-memory.dmp

Filesize
2.4MB

Download
memory/4748-2-0x000001FC8AA60000-0x000001FC8ACD0000-memory.dmp

Filesize
2.4MB

Download
memory/4748-33-0x000001FC8AD50000-0x000001FC8AD60000-memory.dmp

Filesize
64KB

Download
memory/4748-25-0x000001FC8AD30000-0x000001FC8AD40000-memory.dmp

Filesize
64KB

Download
memory/4748-13-0x000001FC8ACD0000-0x000001FC8ACE0000-memory.dmp

Filesize
64KB

Download
memory/4748-22-0x000001FC8AD20000-0x000001FC8AD30000-memory.dmp

Filesize
64KB

Download
memory/4748-16-0x000001FC8ACF0000-0x000001FC8AD00000-memory.dmp

Filesize
64KB

Download
memory/4748-19-0x000001FC8AD00000-0x000001FC8AD10000-memory.dmp

Filesize
64KB

Download
memory/4748-20-0x000001FC8AD10000-0x000001FC8AD20000-memory.dmp

Filesize
64KB

Download
memory/4748-14-0x000001FC8ACE0000-0x000001FC8ACF0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads