strrat | b7e9e72922bbafab57989a81d72e1dee75ae384bd975cce8a707417cc1df725a

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
05-01-2025 02:36

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General

Target

b7e9e72922bbafab57989a81d72e1dee75ae384bd975cce8a707417cc1df725a.js
Size

955KB
MD5

46585cfdb357b9c32e0aed02376dea2c
SHA1

3525ccecb41582261ba6401d34b56cfdb7ec0d1e
SHA256

b7e9e72922bbafab57989a81d72e1dee75ae384bd975cce8a707417cc1df725a
SHA512

52b9a853aec1268ed4304a3712a50a59d12ae4777eb5108920b7e8518ee6800449597d43a29fc73e33e4e3375c8a9fc99e55c7a47b54bed03aea7ef48e238929
SSDEEP

6144:nj8EnXTkIEmXTSPAKujxQ2ZFnQsa45Z44HQ6YGhz00KY6RRs44lEhc6cgPEtcExS:nwmsGKcdssa474tYR0rGlfcEo

Score

10^/10

strrat execution persistence stealer trojan

Malware Config

Extracted

Family

strrat

chongmei33.publicvm.com:44662

chongmei33.myddns.rocks:44662

Attributes

license_id
khonsari
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
Strrat family
strrat

Blocklisted process makes network request 11 IoCs

flow	pid	Process
7	1684	wscript.exe
31	1684	wscript.exe
38	1684	wscript.exe
39	1684	wscript.exe
54	1684	wscript.exe
56	1684	wscript.exe
57	1684	wscript.exe
60	1684	wscript.exe
63	1684	wscript.exe
69	1684	wscript.exe
71	1684	wscript.exe

Checks computer location settings 2 TTPs 3 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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	WScript.exe

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\word.js	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\word.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\TZQ.jar	java.exe

Loads dropped DLL 1 IoCs

pid	Process
112	java.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\word = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\word.js\""	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\word = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\word.js\""	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\word = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\word.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\word = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\word.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TZQ = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\TZQ.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TZQ = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\TZQ.jar\""	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

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000_Classes\Local Settings	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000_Classes\Local Settings	WScript.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

pid	Process
4948	schtasks.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3412 wrote to memory of 1200	3412	wscript.exe	85
PID 3412 wrote to memory of 1200	3412	wscript.exe	85
PID 3412 wrote to memory of 4152	3412	wscript.exe	86
PID 3412 wrote to memory of 4152	3412	wscript.exe	86
PID 1200 wrote to memory of 1600	1200	WScript.exe	87
PID 1200 wrote to memory of 1600	1200	WScript.exe	87
PID 4152 wrote to memory of 1684	4152	WScript.exe	88
PID 4152 wrote to memory of 1684	4152	WScript.exe	88
PID 1600 wrote to memory of 2728	1600	javaw.exe	98
PID 1600 wrote to memory of 2728	1600	javaw.exe	98
PID 2728 wrote to memory of 4716	2728	java.exe	100
PID 2728 wrote to memory of 4716	2728	java.exe	100
PID 2728 wrote to memory of 112	2728	java.exe	101
PID 2728 wrote to memory of 112	2728	java.exe	101
PID 4716 wrote to memory of 4948	4716	cmd.exe	104
PID 4716 wrote to memory of 4948	4716	cmd.exe	104

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\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\b7e9e72922bbafab57989a81d72e1dee75ae384bd975cce8a707417cc1df725a.js
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3412
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\adobe.js"
  2⤵
  - Checks computer location settings
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1200
- - 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\Local\Temp\TZQ.jar"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1600
  - - C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\TZQ.jar"
      4⤵
      Drops startup file
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:2728
    - - C:\Windows\SYSTEM32\cmd.exe
        
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\TZQ.jar"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4716
      - C:\Windows\system32\schtasks.exe
        
        schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\TZQ.jar"
        6⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:4948
    - - 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\TZQ.jar"
        5⤵
        Loads dropped DLL
        
        PID:112
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\word.js"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4152
- - C:\Windows\System32\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\word.js"
    3⤵
    - Blocklisted process makes network request
    - Drops startup file
    - Adds Run key to start application
    PID:1684

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:\Users\Admin\AppData\Local\Temp\TZQ.jar

Filesize
265KB

MD5
49b06e70255a9d233ee47e15d9a2e23b

SHA1
a4c33ef1c39d7715216c27dc93d417c3eb3ec39e

SHA256
db396f9ae63eab45892eed0964926126301abaec49d356765b8cd181572551e5

SHA512
1ae0d43afaffb6ea57c493f8ab77b5b5bb2a74203cc5e9c0cb6256443f5f4095eb927d7e2ef276c24c91f7aa370dfd6903bc152a791f7ce69c91061d0c805e84

Download Submit
C:\Users\Admin\AppData\Local\Temp\adobe.js

Filesize
376KB

MD5
66557642aadcc9634d9fd1201d730ed7

SHA1
c0aeeaa215a04a1f87385dfa1395420969a40fa8

SHA256
6db12be58fe93da654afb1f98737e2e1fa05be9c3acce26413792cf30f9e482e

SHA512
820f7783339e77d6b2c3f308b0df3e56888216fee2d1aee099fb2e09dcbc4ec6926070976b8b948e56ab351c03052b34562ed406681f5cfe8aad92a8a90e66f3

Download Submit
C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna7204624847554474843.dll

Filesize
241KB

MD5
e02979ecd43bcc9061eb2b494ab5af50

SHA1
3122ac0e751660f646c73b10c4f79685aa65c545

SHA256
a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

SHA512
1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

Download Submit
C:\Users\Admin\AppData\Local\Temp\word.js

Filesize
305KB

MD5
7baf3694a88ff874e20a3d68a6c060d0

SHA1
fd9e22e3d52e0100dc963f776137cb6068e44825

SHA256
7693d4d8b365e1e7592dab1df24c67c133d0327a82cfab4f806f894b713b7847

SHA512
3ed74145253f5658ee8f253952dd0cbbf7f8f41cfe75a69f36bc954b3eb3a8c1b8bba66459ac3344214ac708aed16abe50be9899dd7b2ee3abc7bf89cc93c2a4

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-493223053-2004649691-1575712786-1000\83aa4cc77f591dfc2374580bbd95f6ba_755b0f1a-bb38-4bb2-bc7e-240c892146ee

Filesize
45B

MD5
c8366ae350e7019aefc9d1e6e6a498c6

SHA1
5731d8a3e6568a5f2dfbbc87e3db9637df280b61

SHA256
11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

SHA512
33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

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/112-171-0x0000019B0EEA0000-0x0000019B0EEA1000-memory.dmp

Filesize
4KB

Download
memory/112-163-0x0000019B0EEA0000-0x0000019B0EEA1000-memory.dmp

Filesize
4KB

Download
memory/1600-69-0x000002390FC30000-0x000002390FC31000-memory.dmp

Filesize
4KB

Download
memory/1600-92-0x000002390FC30000-0x000002390FC31000-memory.dmp

Filesize
4KB

Download
memory/1600-85-0x000002390FC30000-0x000002390FC31000-memory.dmp

Filesize
4KB

Download
memory/1600-83-0x000002390FC30000-0x000002390FC31000-memory.dmp

Filesize
4KB

Download
memory/1600-73-0x000002390FC30000-0x000002390FC31000-memory.dmp

Filesize
4KB

Download
memory/1600-54-0x000002390FC30000-0x000002390FC31000-memory.dmp

Filesize
4KB

Download
memory/1600-27-0x000002390FC30000-0x000002390FC31000-memory.dmp

Filesize
4KB

Download
memory/2728-127-0x0000020A47960000-0x0000020A47961000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads