strrat | 185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117

General

Target

185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117.jar
Size

64KB
MD5

0c5af1f8b9182a0b4280ea04f22945b3
SHA1

bb162e5078a2f567babfc92f0b12bb675b0b7a9b
SHA256

185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117
SHA512

aeafa0514817480b8e5aa60f7dc3d2dd7ede9f0b6f6619e1b0917e27f537240de314d37431d3c2b4a4aef68609732ad3b9e0d54795cd7590370a5591299555de
SSDEEP

1536:vFU/fn0GghHxEuXu2SGutZ+gnzqYgMawjS0n2wyvI0cyD:vFYfn0GGNu2SPnHZavA2wyv3cyD

Score

10^/10

strrat persistence stealer trojan

Malware Config

Extracted

Family

strrat

C2

elastsolek21.duckdns.org:4781

zekeriyasolek45.duckdns.org:4781

Attributes

license_id
WFC9-W4KB-388F-9KY1-S6JV
plugins_url
http://jbfrost.live/strigoi/server/?hwid=1&lid=m&ht=5
scheduled_task
true
secondary_startup
true
startup
true

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\185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117.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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117 = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117 = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117.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
2644	schtasks.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2556	2148	java.exe	29
PID 2148 wrote to memory of 2556	2148	java.exe	29
PID 2148 wrote to memory of 2556	2148	java.exe	29
PID 2148 wrote to memory of 2592	2148	java.exe	30
PID 2148 wrote to memory of 2592	2148	java.exe	30
PID 2148 wrote to memory of 2592	2148	java.exe	30
PID 2556 wrote to memory of 2644	2556	cmd.exe	31
PID 2556 wrote to memory of 2644	2556	cmd.exe	31
PID 2556 wrote to memory of 2644	2556	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\185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117.jar
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Windows\system32\cmd.exe
  cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Windows\system32\schtasks.exe
    schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117.jar"
    3⤵
    - Creates scheduled task(s)
    PID:2644
- C:\Program Files\Java\jre7\bin\java.exe
  "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117.jar"
  2⤵
  PID:2592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117.jar

Filesize
64KB

MD5
0c5af1f8b9182a0b4280ea04f22945b3

SHA1
bb162e5078a2f567babfc92f0b12bb675b0b7a9b

SHA256
185de16020bb89f3d8240ed742fdde61246afdcf7244968c513487e59c899117

SHA512
aeafa0514817480b8e5aa60f7dc3d2dd7ede9f0b6f6619e1b0917e27f537240de314d37431d3c2b4a4aef68609732ad3b9e0d54795cd7590370a5591299555de

Download Submit
memory/2148-2-0x0000000002460000-0x00000000026D0000-memory.dmp

Filesize
2.4MB

Download
memory/2148-10-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/2148-20-0x0000000002460000-0x00000000026D0000-memory.dmp

Filesize
2.4MB

Download
memory/2592-21-0x00000000026B0000-0x0000000002920000-memory.dmp

Filesize
2.4MB

Download
memory/2592-29-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/2592-31-0x00000000026B0000-0x0000000002920000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads