strrat | 374aa16abdd7a527d3500fb1d49f822263fc382706db71e0f58cc3e00045a790

Analysis

max time kernel
143s
max time network
147s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12/03/2024, 07:14

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General

Target

Anfrage-Angebot.jar
Size

64KB
MD5

575d75ecae9946950af94951bfac908e
SHA1

856900c7d62b852f2f5e854f11d8b072aa3721b1
SHA256

374aa16abdd7a527d3500fb1d49f822263fc382706db71e0f58cc3e00045a790
SHA512

1fd705f755e348f3d69f1a32315762d23fa74857d8e697f5f2b19081bc1dd210eb70cda20534369ede70ec4a7fe33edb2d67680299b5963af7dae5f2476c259c
SSDEEP

1536:4jdiIZTjmn6fVQsJ4J7gTtcMbVrHCCT3Kk/:4jwINVqsJmiVrC/k/

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\Anfrage-Angebot.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-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\Anfrage-Angebot = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Anfrage-Angebot.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Anfrage-Angebot = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Anfrage-Angebot.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
2496	schtasks.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 2528	2868	java.exe	29
PID 2868 wrote to memory of 2528	2868	java.exe	29
PID 2868 wrote to memory of 2528	2868	java.exe	29
PID 2528 wrote to memory of 2496	2528	cmd.exe	30
PID 2528 wrote to memory of 2496	2528	cmd.exe	30
PID 2528 wrote to memory of 2496	2528	cmd.exe	30
PID 2868 wrote to memory of 2808	2868	java.exe	31
PID 2868 wrote to memory of 2808	2868	java.exe	31
PID 2868 wrote to memory of 2808	2868	java.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\Anfrage-Angebot.jar
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Windows\system32\cmd.exe
  cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Anfrage-Angebot.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\system32\schtasks.exe
    schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Anfrage-Angebot.jar"
    3⤵
    - Creates scheduled task(s)
    PID:2496
- C:\Program Files\Java\jre7\bin\java.exe
  "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\Anfrage-Angebot.jar"
  2⤵
  PID:2808

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\Anfrage-Angebot.jar

Filesize
64KB

MD5
575d75ecae9946950af94951bfac908e

SHA1
856900c7d62b852f2f5e854f11d8b072aa3721b1

SHA256
374aa16abdd7a527d3500fb1d49f822263fc382706db71e0f58cc3e00045a790

SHA512
1fd705f755e348f3d69f1a32315762d23fa74857d8e697f5f2b19081bc1dd210eb70cda20534369ede70ec4a7fe33edb2d67680299b5963af7dae5f2476c259c

Download Submit
memory/2808-21-0x0000000002670000-0x0000000005670000-memory.dmp

Filesize
48.0MB

Download
memory/2808-28-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2808-29-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2808-53-0x0000000002670000-0x0000000005670000-memory.dmp

Filesize
48.0MB

Download
memory/2868-3-0x0000000002850000-0x0000000005850000-memory.dmp

Filesize
48.0MB

Download
memory/2868-10-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads