strrat | b4e1b6a7d26522b67e97b15c39f225c7a4436de950b5f3d6b1e19825df7db692

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
15-05-2024 04:46

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General

Target

Drehmaschinen - zyklengesteuert P B R T 30 SNC x 1500.jar
Size

119KB
MD5

339a7b500a211b0160b2354fd81a670d
SHA1

1c1427a18c70b605c069d9556a3b00e4213318fc
SHA256

496965b892597c9b16b00333bdb92f7c2c906685a161886f4f03c17623aaa971
SHA512

03cab18af634525636d2e3f25c6ad86947b123b01ec372acee2068451428b914227715f97fcd8eb65d6162cd07ffdd4a2f54e25d6604fe45489ab5a966453ac2
SSDEEP

3072:NFjR4nVC2Toh6RnOe+7EWgnxGQpaMAzpBaW5oX:NzB4+e+oWkGQHaBaW5oX

Score

10^/10

strrat discovery execution persistence stealer trojan

Malware Config

Signatures

STRRAT
STRRAT is a remote access tool than can steal credentials and log keystrokes.
trojan stealer strrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ghsvdfeu.txt	java.exe

Loads dropped DLL 3 IoCs

pid	Process
1944	java.exe
3104	java.exe
1488	java.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4316	icacls.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ghsvdfeu = "\"C:\\Users\\Admin\\AppData\\Roaming\\ghsvdfeu.txt\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ghsvdfeu = "\"C:\\Users\\Admin\\AppData\\Roaming\\ghsvdfeu.txt\""	java.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\plugins = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\plugins.jar\" mp"	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\plugins = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\plugins.jar\" mp"	java.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs

Web Service

T1102

flow	ioc
39	pastebin.com

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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
1464	schtasks.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3180 wrote to memory of 4316	3180	java.exe	83
PID 3180 wrote to memory of 4316	3180	java.exe	83
PID 3180 wrote to memory of 2776	3180	java.exe	85
PID 3180 wrote to memory of 2776	3180	java.exe	85
PID 2776 wrote to memory of 2024	2776	wscript.exe	87
PID 2776 wrote to memory of 2024	2776	wscript.exe	87
PID 2024 wrote to memory of 1944	2024	javaw.exe	91
PID 2024 wrote to memory of 1944	2024	javaw.exe	91
PID 1944 wrote to memory of 4812	1944	java.exe	93
PID 1944 wrote to memory of 4812	1944	java.exe	93
PID 1944 wrote to memory of 3104	1944	java.exe	94
PID 1944 wrote to memory of 3104	1944	java.exe	94
PID 4812 wrote to memory of 1464	4812	cmd.exe	97
PID 4812 wrote to memory of 1464	4812	cmd.exe	97
PID 3104 wrote to memory of 1488	3104	java.exe	98
PID 3104 wrote to memory of 1488	3104	java.exe	98

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\Drehmaschinen - zyklengesteuert P B R T 30 SNC x 1500.jar"
1⤵
- Suspicious use of WriteProcessMemory
PID:3180
- 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:4316
- C:\Windows\SYSTEM32\wscript.exe
  wscript C:\Users\Admin\ikxalhyehu.js
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2776
- - C:\Program Files\Java\jre-1.8\bin\javaw.exe
    "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\ghsvdfeu.txt"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2024
  - - C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\ghsvdfeu.txt"
      4⤵
      Drops startup file
      Loads dropped DLL
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:1944
    - - C:\Windows\SYSTEM32\cmd.exe
        
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\ghsvdfeu.txt"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4812
      - C:\Windows\system32\schtasks.exe
        
        schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\ghsvdfeu.txt"
        6⤵
        Creates scheduled task(s)
        
        PID:1464
    - - 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\ghsvdfeu.txt"
        5⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:3104
      - 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\plugins.jar" mp
        6⤵
        Loads dropped DLL
        Adds Run key to start application
        
        PID:1488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

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

Filesize
46B

MD5
e29c8d039aaa04a986b4e70967324eaa

SHA1
7dd7bbdb1b5f3fd87992b0364f0a2d96e58ea211

SHA256
42e99b2b102f2506645a9e7e31100305aa1fb8370b6235cf31ca7d45928f19ed

SHA512
136dee5318d98d1591079face872175bb3f41c1ad91ec61013d178727e98f106be44592444bda2f0b564c724516159bb817b3c7586d24dcd24e394991cc075ff

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

Filesize
46B

MD5
5a855b0e34c25d3de54deabc4e6ab422

SHA1
461e2df664e14673bda4730c50f1837784b5d207

SHA256
15600f747b3204ee25f2c0e450d9299cfdf8997f7e593859efa853e93ab3266b

SHA512
8473292895759b756e5d2b61898c85e76b1cded2d1946e6ac97b1fdd07737daf572f94df9032c69eb13a431432637ca731b4abdaf8d39cd68671d3d5d6a815f8

Download Submit
C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna8943335067278841804.dll

Filesize
241KB

MD5
e02979ecd43bcc9061eb2b494ab5af50

SHA1
3122ac0e751660f646c73b10c4f79685aa65c545

SHA256
a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

SHA512
1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3558294865-3673844354-2255444939-1000\83aa4cc77f591dfc2374580bbd95f6ba_39fbc0df-d496-4ae0-b1d7-bde60e245d90

Filesize
45B

MD5
c8366ae350e7019aefc9d1e6e6a498c6

SHA1
5731d8a3e6568a5f2dfbbc87e3db9637df280b61

SHA256
11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

SHA512
33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

Download Submit
C:\Users\Admin\AppData\Roaming\ghsvdfeu.txt

Filesize
91KB

MD5
ffae6d3711843b82074f092153dc2480

SHA1
d75c9805ab4cbb1295c207dcedd8c88cbced0ff4

SHA256
b3b9b04c320340c5812f2659a28c20119b7180bbf421dbfe98eb42b4b04fc82b

SHA512
de780f20bbd4bb2e5ee9d716ef14aa0c83fbe06d4d68740dc79286d612cfe4241155fffb91ddc2c89675b855cd2bd47c3bd61edbf61247d6b3fc47524a8d1a87

Download Submit
C:\Users\Admin\ikxalhyehu.js

Filesize
181KB

MD5
9616941e69e15e40bbd8aafb7d4a9f5d

SHA1
afd8a0f5605c9b8d73f9938ed8a42149647bf18e

SHA256
3359c7b83af66d4f884ec54a77ff51108c7bce418f840eca4038b7511dbbbad0

SHA512
c186842a655919b76ab26aea3050ba798562b04b4e8f290f81235af199fe8667cebb3d4411ba26cbad8780606801e0a9ab4b0d8f3a4c011978ceca7d231d3e6b

Download Submit
C:\Users\Admin\lib\jna-5.5.0.jar

Filesize
1.4MB

MD5
acfb5b5fd9ee10bf69497792fd469f85

SHA1
0e0845217c4907822403912ad6828d8e0b256208

SHA256
b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

SHA512
e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

Download Submit
C:\Users\Admin\lib\jna-platform-5.5.0.jar

Filesize
2.6MB

MD5
2f4a99c2758e72ee2b59a73586a2322f

SHA1
af38e7c4d0fc73c23ecd785443705bfdee5b90bf

SHA256
24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

SHA512
b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

Download Submit
C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar

Filesize
4.1MB

MD5
b33387e15ab150a7bf560abdc73c3bec

SHA1
66b8075784131f578ef893fd7674273f709b9a4c

SHA256
2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

SHA512
25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

Download Submit
C:\Users\Admin\lib\system-hook-3.5.jar

Filesize
772KB

MD5
e1aa38a1e78a76a6de73efae136cdb3a

SHA1
c463da71871f780b2e2e5dba115d43953b537daf

SHA256
2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

SHA512
fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

Download Submit
memory/1488-224-0x000001DBD3E50000-0x000001DBD3E51000-memory.dmp

Filesize
4KB

Download
memory/1488-230-0x000001DBD3E50000-0x000001DBD3E51000-memory.dmp

Filesize
4KB

Download
memory/1944-151-0x00000252328F0000-0x00000252328F1000-memory.dmp

Filesize
4KB

Download
memory/1944-135-0x00000252328F0000-0x00000252328F1000-memory.dmp

Filesize
4KB

Download
memory/2024-42-0x00000170629C0000-0x00000170629C1000-memory.dmp

Filesize
4KB

Download
memory/2024-74-0x00000170629C0000-0x00000170629C1000-memory.dmp

Filesize
4KB

Download
memory/2024-102-0x00000170629C0000-0x00000170629C1000-memory.dmp

Filesize
4KB

Download
memory/2024-99-0x00000170629C0000-0x00000170629C1000-memory.dmp

Filesize
4KB

Download
memory/2024-96-0x00000170629C0000-0x00000170629C1000-memory.dmp

Filesize
4KB

Download
memory/2024-83-0x00000170629C0000-0x00000170629C1000-memory.dmp

Filesize
4KB

Download
memory/2024-76-0x00000170629C0000-0x00000170629C1000-memory.dmp

Filesize
4KB

Download
memory/2024-103-0x00000170629E0000-0x0000017062C50000-memory.dmp

Filesize
2.4MB

Download
memory/2024-21-0x00000170629E0000-0x0000017062C50000-memory.dmp

Filesize
2.4MB

Download
memory/3104-176-0x0000026D3BAD0000-0x0000026D3BAD1000-memory.dmp

Filesize
4KB

Download
memory/3104-227-0x0000026D3BAD0000-0x0000026D3BAD1000-memory.dmp

Filesize
4KB

Download
memory/3180-2-0x000001FC22F70000-0x000001FC231E0000-memory.dmp

Filesize
2.4MB

Download
memory/3180-16-0x000001FC22F70000-0x000001FC231E0000-memory.dmp

Filesize
2.4MB

Download
memory/3180-14-0x000001FC21760000-0x000001FC21761000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads