strrat | 1eb062731bcde21f8acf296654c931a2a84174293e70b33ab20d4e2222c1f7c6

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 10:06

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General

Target

NeftPaymentError_details__Emdtd22102024_jpg.jar
Size

66KB
MD5

1537234128bed895a66e86ecf51c7190
SHA1

69135c2fef2f5832f8dded6b26a5545027a9f31f
SHA256

1eb062731bcde21f8acf296654c931a2a84174293e70b33ab20d4e2222c1f7c6
SHA512

909de64b7576d56276088b77a8b38c3c6cbecc7e58ad77d284986b8aaa5a5dd76478a4c141ddbcf38854fa4d393b3b1f5de784a507a07b58a917b7c06c3cfa63
SSDEEP

1536:6OowVK7FG1BuCF5cimqmr09J+qiTAr3Rlzh40DRAEOap1WD:6Oot7ChorkglAtlz9dTWD

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

Processes:

java.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\NeftPaymentError_details__Emdtd22102024_jpg.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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NeftPaymentError_details__Emdtd22102024_jpg = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\NeftPaymentError_details__Emdtd22102024_jpg.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NeftPaymentError_details__Emdtd22102024_jpg = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\NeftPaymentError_details__Emdtd22102024_jpg.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

Processes:

schtasks.exe

pid	Process
1608	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

java.execmd.exe

description	pid	Process	procid_target
PID 1560 wrote to memory of 1868	1560	java.exe	84
PID 1560 wrote to memory of 1868	1560	java.exe	84
PID 1560 wrote to memory of 4284	1560	java.exe	85
PID 1560 wrote to memory of 4284	1560	java.exe	85
PID 1868 wrote to memory of 1608	1868	cmd.exe	88
PID 1868 wrote to memory of 1608	1868	cmd.exe	88

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\NeftPaymentError_details__Emdtd22102024_jpg.jar
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1560
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\NeftPaymentError_details__Emdtd22102024_jpg.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1868
- - C:\Windows\system32\schtasks.exe
    schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\NeftPaymentError_details__Emdtd22102024_jpg.jar"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1608
- 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\NeftPaymentError_details__Emdtd22102024_jpg.jar"
  2⤵
  PID:4284

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\NeftPaymentError_details__Emdtd22102024_jpg.jar

Filesize
66KB

MD5
1537234128bed895a66e86ecf51c7190

SHA1
69135c2fef2f5832f8dded6b26a5545027a9f31f

SHA256
1eb062731bcde21f8acf296654c931a2a84174293e70b33ab20d4e2222c1f7c6

SHA512
909de64b7576d56276088b77a8b38c3c6cbecc7e58ad77d284986b8aaa5a5dd76478a4c141ddbcf38854fa4d393b3b1f5de784a507a07b58a917b7c06c3cfa63

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

Filesize
46B

MD5
9d82b1fab9fd9294c2ad32328af29107

SHA1
48abb96ce60b55dbb9a88d5d2f4b182812893b3c

SHA256
114f8566586ab1e0655dbb17a2820642499cce4c65bf9dbb667bc5667acbd628

SHA512
d3e358153210270f6fb91f051a88818f92d8b8128c24ce322f74cb4613eeb09cc7979f9c6f23f3c77f934421a16975fffe23594dc37ee40b66f01975a206288a

Download Submit
memory/1560-39-0x00000255CCCD0000-0x00000255CCCE0000-memory.dmp

Filesize
64KB

Download
memory/1560-27-0x00000255CCD30000-0x00000255CCD40000-memory.dmp

Filesize
64KB

Download
memory/1560-18-0x00000255CB180000-0x00000255CB181000-memory.dmp

Filesize
4KB

Download
memory/1560-21-0x00000255CCCF0000-0x00000255CCD00000-memory.dmp

Filesize
64KB

Download
memory/1560-22-0x00000255CCD00000-0x00000255CCD10000-memory.dmp

Filesize
64KB

Download
memory/1560-15-0x00000255CCCD0000-0x00000255CCCE0000-memory.dmp

Filesize
64KB

Download
memory/1560-25-0x00000255CCD20000-0x00000255CCD30000-memory.dmp

Filesize
64KB

Download
memory/1560-12-0x00000255CCCC0000-0x00000255CCCD0000-memory.dmp

Filesize
64KB

Download
memory/1560-29-0x00000255CCD40000-0x00000255CCD50000-memory.dmp

Filesize
64KB

Download
memory/1560-16-0x00000255CCCE0000-0x00000255CCCF0000-memory.dmp

Filesize
64KB

Download
memory/1560-37-0x00000255CCA50000-0x00000255CCCC0000-memory.dmp

Filesize
2.4MB

Download
memory/1560-46-0x00000255CCD40000-0x00000255CCD50000-memory.dmp

Filesize
64KB

Download
memory/1560-45-0x00000255CCD30000-0x00000255CCD40000-memory.dmp

Filesize
64KB

Download
memory/1560-44-0x00000255CCD20000-0x00000255CCD30000-memory.dmp

Filesize
64KB

Download
memory/1560-43-0x00000255CCD10000-0x00000255CCD20000-memory.dmp

Filesize
64KB

Download
memory/1560-42-0x00000255CCD00000-0x00000255CCD10000-memory.dmp

Filesize
64KB

Download
memory/1560-41-0x00000255CCCF0000-0x00000255CCD00000-memory.dmp

Filesize
64KB

Download
memory/1560-40-0x00000255CCCE0000-0x00000255CCCF0000-memory.dmp

Filesize
64KB

Download
memory/1560-2-0x00000255CCA50000-0x00000255CCCC0000-memory.dmp

Filesize
2.4MB

Download
memory/1560-38-0x00000255CCCC0000-0x00000255CCCD0000-memory.dmp

Filesize
64KB

Download
memory/1560-23-0x00000255CCD10000-0x00000255CCD20000-memory.dmp

Filesize
64KB

Download
memory/4284-65-0x000002A90DFD0000-0x000002A90DFE0000-memory.dmp

Filesize
64KB

Download
memory/4284-87-0x000002A90E010000-0x000002A90E020000-memory.dmp

Filesize
64KB

Download
memory/4284-80-0x000002A90DFB0000-0x000002A90DFC0000-memory.dmp

Filesize
64KB

Download
memory/4284-79-0x000002A90DD40000-0x000002A90DFB0000-memory.dmp

Filesize
2.4MB

Download
memory/4284-69-0x000002A90DFF0000-0x000002A90E000000-memory.dmp

Filesize
64KB

Download
memory/4284-68-0x000002A90DFE0000-0x000002A90DFF0000-memory.dmp

Filesize
64KB

Download
memory/4284-72-0x000002A90E000000-0x000002A90E010000-memory.dmp

Filesize
64KB

Download
memory/4284-61-0x000002A90DFB0000-0x000002A90DFC0000-memory.dmp

Filesize
64KB

Download
memory/4284-90-0x000002A90E030000-0x000002A90E040000-memory.dmp

Filesize
64KB

Download
memory/4284-77-0x000002A90C3C0000-0x000002A90C3C1000-memory.dmp

Filesize
4KB

Download
memory/4284-73-0x000002A90E010000-0x000002A90E020000-memory.dmp

Filesize
64KB

Download
memory/4284-63-0x000002A90DFC0000-0x000002A90DFD0000-memory.dmp

Filesize
64KB

Download
memory/4284-82-0x000002A90DFC0000-0x000002A90DFD0000-memory.dmp

Filesize
64KB

Download
memory/4284-83-0x000002A90DFD0000-0x000002A90DFE0000-memory.dmp

Filesize
64KB

Download
memory/4284-85-0x000002A90DFF0000-0x000002A90E000000-memory.dmp

Filesize
64KB

Download
memory/4284-84-0x000002A90DFE0000-0x000002A90DFF0000-memory.dmp

Filesize
64KB

Download
memory/4284-86-0x000002A90E000000-0x000002A90E010000-memory.dmp

Filesize
64KB

Download
memory/4284-50-0x000002A90DD40000-0x000002A90DFB0000-memory.dmp

Filesize
2.4MB

Download
memory/4284-88-0x000002A90E020000-0x000002A90E030000-memory.dmp

Filesize
64KB

Download
memory/4284-76-0x000002A90E020000-0x000002A90E030000-memory.dmp

Filesize
64KB

Download