strrat | 4fe2155de6e61665205a522e8fc7c95d25f53362f2e319fcd0993c4ea93bbbad

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2024, 19:29

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General

Target

071c608a80c84e55ed4ead5e577104ea_JaffaCakes118.jar
Size

187KB
MD5

071c608a80c84e55ed4ead5e577104ea
SHA1

1dd9194c56acd00e0ea5dabe9555334856a620c0
SHA256

4fe2155de6e61665205a522e8fc7c95d25f53362f2e319fcd0993c4ea93bbbad
SHA512

25d4486c9352b5223113bbbeab5afc64cdfeb621b43f80aeb64f0400aeca364e91e9a3037e894c1918d5bce8a832d9e035aa77c41f57a9c67cd1c294059c7b62
SSDEEP

3072:ZIlbuz5kQLKPTzBPDmrKI/aoMQXw8TDcgMZ4sNgvC8xV1Wu4cTXCrnqAq1l8O:Z6ax+7FDA2QA8T3MOM0bVAhO

Score

10^/10

strrat 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-1-5-21-355097885-2402257403-2971294179-1000\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\gqbszwyak.txt	java.exe

Loads dropped DLL 2 IoCs

pid	Process
2396	java.exe
744	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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gqbszwyak = "\"C:\\Users\\Admin\\AppData\\Roaming\\gqbszwyak.txt\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gqbszwyak = "\"C:\\Users\\Admin\\AppData\\Roaming\\gqbszwyak.txt\""	java.exe

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

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

pid	Process
700	schtasks.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 2276	1204	java.exe	82
PID 1204 wrote to memory of 2276	1204	java.exe	82
PID 2276 wrote to memory of 3544	2276	wscript.exe	83
PID 2276 wrote to memory of 3544	2276	wscript.exe	83
PID 3544 wrote to memory of 2396	3544	javaw.exe	85
PID 3544 wrote to memory of 2396	3544	javaw.exe	85
PID 2396 wrote to memory of 2720	2396	java.exe	87
PID 2396 wrote to memory of 2720	2396	java.exe	87
PID 2396 wrote to memory of 744	2396	java.exe	89
PID 2396 wrote to memory of 744	2396	java.exe	89
PID 2720 wrote to memory of 700	2720	cmd.exe	91
PID 2720 wrote to memory of 700	2720	cmd.exe	91

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\071c608a80c84e55ed4ead5e577104ea_JaffaCakes118.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Windows\SYSTEM32\wscript.exe
  wscript C:\Users\Admin\opzidxsfdk.js
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2276
- - 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\gqbszwyak.txt"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3544
  - - C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\gqbszwyak.txt"
      4⤵
      Drops startup file
      Loads dropped DLL
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:2396
    - - C:\Windows\SYSTEM32\cmd.exe
        
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\gqbszwyak.txt"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2720
      - C:\Windows\system32\schtasks.exe
        
        schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\gqbszwyak.txt"
        6⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:700
    - - 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\gqbszwyak.txt"
        5⤵
        Loads dropped DLL
        
        PID:744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
46B

MD5
dcf60b6a9349bf649139f5df5e315b9c

SHA1
1380702ed5b9c63d7aea00958bde185daa298655

SHA256
170eb88ca5c1a67a7a4de213ce375b730107b6af66ca87962351f8baecd8ccb2

SHA512
22ec9a0563f8dcfc131efb5a70f487dd5f3f0e790d673b88ff731fab732a33af5732faf30cfca5a2a5379ed5be8a282d9d0f0dffe27215d6b75d0a6ede76dfae

Download Submit
C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna1366567772511139373.dll

Filesize
241KB

MD5
e02979ecd43bcc9061eb2b494ab5af50

SHA1
3122ac0e751660f646c73b10c4f79685aa65c545

SHA256
a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

SHA512
1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-355097885-2402257403-2971294179-1000\83aa4cc77f591dfc2374580bbd95f6ba_30dd1cc1-5c25-4745-b2f5-cffa52b1a886

Filesize
45B

MD5
c8366ae350e7019aefc9d1e6e6a498c6

SHA1
5731d8a3e6568a5f2dfbbc87e3db9637df280b61

SHA256
11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

SHA512
33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

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

Filesize
92KB

MD5
caa505646d19fd3e3e7de7b34ed5db77

SHA1
e5e5181d3a8c7a22cfb39a4538237bc62697e805

SHA256
aab7895819ff88404f40ed2645c0d411f04b56f018b6e72246f8475b3605882b

SHA512
f6c492547308564b1129dd03bbec622d5130010e9d50e7e9fa71f3430b75b6f2f291168b80ab4d765e626bbd886703601d880bd4e3aca4517cedcf99e1838603

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
C:\Users\Admin\opzidxsfdk.js

Filesize
866KB

MD5
b275441d305e83de9981ae9335b28d46

SHA1
1e781c8c3475d675a8554e7e3f7025e0bc8dd580

SHA256
22a107a28e169cb1332a6e9dcf870610a9573faa0744b4e83570ad748c850573

SHA512
20923420748f8efce687b7bf10b21388bdfde0dcbcdadd41077de8fa100fc8b3bae86b991d49f01ffa00e7fec6332b06d4675d15e614a817a852dd7db95877db

Download Submit
memory/744-181-0x0000025DA2C60000-0x0000025DA2C61000-memory.dmp

Filesize
4KB

Download
memory/1204-13-0x00000220D36F0000-0x00000220D36F1000-memory.dmp

Filesize
4KB

Download
memory/1204-14-0x00000220D4F10000-0x00000220D5180000-memory.dmp

Filesize
2.4MB

Download
memory/1204-2-0x00000220D4F10000-0x00000220D5180000-memory.dmp

Filesize
2.4MB

Download
memory/2396-149-0x000001B276DA0000-0x000001B276DA1000-memory.dmp

Filesize
4KB

Download
memory/2396-133-0x000001B276DA0000-0x000001B276DA1000-memory.dmp

Filesize
4KB

Download
memory/3544-75-0x00000281E3A00000-0x00000281E3A01000-memory.dmp

Filesize
4KB

Download
memory/3544-100-0x00000281E3A20000-0x00000281E3C90000-memory.dmp

Filesize
2.4MB

Download
memory/3544-99-0x00000281E3A00000-0x00000281E3A01000-memory.dmp

Filesize
4KB

Download
memory/3544-95-0x00000281E3A00000-0x00000281E3A01000-memory.dmp

Filesize
4KB

Download
memory/3544-83-0x00000281E3A00000-0x00000281E3A01000-memory.dmp

Filesize
4KB

Download
memory/3544-20-0x00000281E3A20000-0x00000281E3C90000-memory.dmp

Filesize
2.4MB

Download
memory/3544-76-0x00000281E3A00000-0x00000281E3A01000-memory.dmp

Filesize
4KB

Download
memory/3544-58-0x00000281E3A00000-0x00000281E3A01000-memory.dmp

Filesize
4KB

Download
memory/3544-44-0x00000281E3A00000-0x00000281E3A01000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads