strrat | 527cd2b797626c378cf511be2354cd062f303366241710dabffce62d4c8b502d

Analysis

max time kernel
145s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
11/05/2024, 08:49

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General

Target

0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.jar
Size

64KB
MD5

8f32b6ad5a4b0bf593c5e8cfe8afd04b
SHA1

02623723f9a9af013df424336d45ada46abe9472
SHA256

0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb
SHA512

185bb366786dc1a1a54dcb623341f7a727842685aa50d48dcc4bafe5135feaa1f6294a874faa55fdc91816a43bd60ab543c9284b7eec97d8cedf65dd62de282c
SSDEEP

1536:sFVl2U0Gg0HxEjXu28Gut9+gnzqYgMYw0Sr8awyvI0cNFl:sFv2U0GXUu28P7HZY84awyv3cNFl

Score

10^/10

strrat discovery 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\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.jar	java.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3052	icacls.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-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.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
1776	schtasks.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 544 wrote to memory of 3052	544	java.exe	83
PID 544 wrote to memory of 3052	544	java.exe	83
PID 544 wrote to memory of 3120	544	java.exe	88
PID 544 wrote to memory of 3120	544	java.exe	88
PID 544 wrote to memory of 3544	544	java.exe	90
PID 544 wrote to memory of 3544	544	java.exe	90
PID 3120 wrote to memory of 1776	3120	cmd.exe	92
PID 3120 wrote to memory of 1776	3120	cmd.exe	92

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\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.jar
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:544
- C:\Windows\system32\icacls.exe
  C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
  2⤵
  - Modifies file permissions
  PID:3052
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3120
- - C:\Windows\system32\schtasks.exe
    schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.jar"
    3⤵
    - Creates scheduled task(s)
    PID:1776
- 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\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.jar"
  2⤵
  PID:3544

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

File and Directory Permissions Modification

T1222

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\0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.jar

Filesize
64KB

MD5
8f32b6ad5a4b0bf593c5e8cfe8afd04b

SHA1
02623723f9a9af013df424336d45ada46abe9472

SHA256
0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb

SHA512
185bb366786dc1a1a54dcb623341f7a727842685aa50d48dcc4bafe5135feaa1f6294a874faa55fdc91816a43bd60ab543c9284b7eec97d8cedf65dd62de282c

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

Filesize
46B

MD5
bce748f2d4f74206f1cce8a579e35df4

SHA1
b433837feaeb49cba109ea3bbeb5766caf412794

SHA256
5fada20f0b23577aef5ddc0b01d34d20169bde81c1b1085aa2db5ffd52911dbe

SHA512
68dfd5a8518137bdf2d43ddbc068a92690ac53fa4212ebe0589f824e799aeabbdcbc6afe68fe54f854d5a3a7d0d52da8de64995f2535134d544fd800b8734cb1

Download Submit
memory/544-34-0x0000025021FD0000-0x0000025021FE0000-memory.dmp

Filesize
64KB

Download
memory/544-13-0x0000025021F50000-0x0000025021F60000-memory.dmp

Filesize
64KB

Download
memory/544-17-0x0000025021F70000-0x0000025021F80000-memory.dmp

Filesize
64KB

Download
memory/544-21-0x0000025021F90000-0x0000025021FA0000-memory.dmp

Filesize
64KB

Download
memory/544-20-0x0000025021F80000-0x0000025021F90000-memory.dmp

Filesize
64KB

Download
memory/544-23-0x0000025021FA0000-0x0000025021FB0000-memory.dmp

Filesize
64KB

Download
memory/544-26-0x0000025021FB0000-0x0000025021FC0000-memory.dmp

Filesize
64KB

Download
memory/544-27-0x0000025021FC0000-0x0000025021FD0000-memory.dmp

Filesize
64KB

Download
memory/544-2-0x0000025021CE0000-0x0000025021F50000-memory.dmp

Filesize
2.4MB

Download
memory/544-16-0x0000025021F60000-0x0000025021F70000-memory.dmp

Filesize
64KB

Download
memory/544-35-0x00000250204E0000-0x00000250204E1000-memory.dmp

Filesize
4KB

Download
memory/544-44-0x0000025021FC0000-0x0000025021FD0000-memory.dmp

Filesize
64KB

Download
memory/544-43-0x0000025021FB0000-0x0000025021FC0000-memory.dmp

Filesize
64KB

Download
memory/544-42-0x0000025021FA0000-0x0000025021FB0000-memory.dmp

Filesize
64KB

Download
memory/544-41-0x0000025021F90000-0x0000025021FA0000-memory.dmp

Filesize
64KB

Download
memory/544-40-0x0000025021F80000-0x0000025021F90000-memory.dmp

Filesize
64KB

Download
memory/544-39-0x0000025021F70000-0x0000025021F80000-memory.dmp

Filesize
64KB

Download
memory/544-38-0x0000025021F60000-0x0000025021F70000-memory.dmp

Filesize
64KB

Download
memory/544-37-0x0000025021F50000-0x0000025021F60000-memory.dmp

Filesize
64KB

Download
memory/544-36-0x0000025021CE0000-0x0000025021F50000-memory.dmp

Filesize
2.4MB

Download
memory/3544-48-0x0000018EB8470000-0x0000018EB86E0000-memory.dmp

Filesize
2.4MB

Download
memory/3544-60-0x0000018EB86E0000-0x0000018EB86F0000-memory.dmp

Filesize
64KB

Download
memory/3544-62-0x0000018EB8700000-0x0000018EB8710000-memory.dmp

Filesize
64KB

Download
memory/3544-61-0x0000018EB86F0000-0x0000018EB8700000-memory.dmp

Filesize
64KB

Download
memory/3544-64-0x0000018EB8710000-0x0000018EB8720000-memory.dmp

Filesize
64KB

Download
memory/3544-68-0x0000018EB8730000-0x0000018EB8740000-memory.dmp

Filesize
64KB

Download
memory/3544-66-0x0000018EB8720000-0x0000018EB8730000-memory.dmp

Filesize
64KB

Download
memory/3544-73-0x0000018EB8750000-0x0000018EB8760000-memory.dmp

Filesize
64KB

Download
memory/3544-74-0x0000018EB8760000-0x0000018EB8770000-memory.dmp

Filesize
64KB

Download
memory/3544-70-0x0000018EB8740000-0x0000018EB8750000-memory.dmp

Filesize
64KB

Download
memory/3544-76-0x0000018EB8770000-0x0000018EB8780000-memory.dmp

Filesize
64KB

Download
memory/3544-77-0x0000018EB6B30000-0x0000018EB6B31000-memory.dmp

Filesize
4KB

Download
memory/3544-79-0x0000018EB8470000-0x0000018EB86E0000-memory.dmp

Filesize
2.4MB

Download
memory/3544-82-0x0000018EB8700000-0x0000018EB8710000-memory.dmp

Filesize
64KB

Download
memory/3544-81-0x0000018EB86F0000-0x0000018EB8700000-memory.dmp

Filesize
64KB

Download
memory/3544-80-0x0000018EB86E0000-0x0000018EB86F0000-memory.dmp

Filesize
64KB

Download
memory/3544-83-0x0000018EB8710000-0x0000018EB8720000-memory.dmp

Filesize
64KB

Download
memory/3544-84-0x0000018EB8720000-0x0000018EB8730000-memory.dmp

Filesize
64KB

Download
memory/3544-85-0x0000018EB8730000-0x0000018EB8740000-memory.dmp

Filesize
64KB

Download
memory/3544-86-0x0000018EB8740000-0x0000018EB8750000-memory.dmp

Filesize
64KB

Download
memory/3544-88-0x0000018EB8760000-0x0000018EB8770000-memory.dmp

Filesize
64KB

Download
memory/3544-87-0x0000018EB8750000-0x0000018EB8760000-memory.dmp

Filesize
64KB

Download
memory/3544-89-0x0000018EB8770000-0x0000018EB8780000-memory.dmp

Filesize
64KB

Download
memory/3544-92-0x0000018EB8780000-0x0000018EB8790000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads