strrat | 427e4dcb36206392d10846d4aa4e37ec0c724d2b5c26c662b3670b120bdf84c3

Analysis

max time kernel
149s
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
25/11/2024, 09:34

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General

Target

DOC934798848.js
Size

238KB
MD5

208ac4eb6c75aced85071562b1bc079d
SHA1

0a3bb6f310317d31bad26a0076c5e7313699739b
SHA256

427e4dcb36206392d10846d4aa4e37ec0c724d2b5c26c662b3670b120bdf84c3
SHA512

1f2d13791bbc1e58f42eee63e6e5708b333d476d0f3ea39c185a99a7f11079477c80ddbef4304a27a4b62114579b5443d0d698a689929ccea3e0b27bee3d9b13
SSDEEP

6144:eQrh+XeVWsUDMmQPiXmvnuKFESB51tsr3wtNX5ihm:19xWsUDaESBBsr3uXl

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
Strrat family
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-1-5-21-2045521122-590294423-3465680274-1000\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\gqvexlbl.txt	java.exe

Loads dropped DLL 1 IoCs

pid	Process
212	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\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gqvexlbl = "\"C:\\Users\\Admin\\AppData\\Roaming\\gqvexlbl.txt\""	java.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gqvexlbl = "\"C:\\Users\\Admin\\AppData\\Roaming\\gqvexlbl.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
4948	schtasks.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 4852	628	wscript.exe	83
PID 628 wrote to memory of 4852	628	wscript.exe	83
PID 4852 wrote to memory of 3524	4852	javaw.exe	92
PID 4852 wrote to memory of 3524	4852	javaw.exe	92
PID 3524 wrote to memory of 3308	3524	java.exe	96
PID 3524 wrote to memory of 3308	3524	java.exe	96
PID 3524 wrote to memory of 212	3524	java.exe	97
PID 3524 wrote to memory of 212	3524	java.exe	97
PID 3308 wrote to memory of 4948	3308	cmd.exe	100
PID 3308 wrote to memory of 4948	3308	cmd.exe	100

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\DOC934798848.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:628
- 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\gqvexlbl.txt"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4852
- - C:\Program Files\Java\jre-1.8\bin\java.exe
    "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\gqvexlbl.txt"
    3⤵
    - Drops startup file
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:3524
  - - C:\Windows\SYSTEM32\cmd.exe
      cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\gqvexlbl.txt"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3308
    - - C:\Windows\system32\schtasks.exe
        
        schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\gqvexlbl.txt"
        5⤵
        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\gqvexlbl.txt"
      4⤵
      Loads dropped DLL
      PID:212

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

Replay Monitor

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Downloads

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

Filesize
46B

MD5
3ec26d34e1b682f04a3330664ddbb477

SHA1
c2812681f5b72a9f16975964a7f159e2d0205f75

SHA256
289d0481f97388dd8d7806476dc92c52e8add519e3411c17cf311556442f8f58

SHA512
d391f01a7f59f2750c5b505021fa33e312568db58efca7f56b708452769505ef6f8f9cab4b143b30f517ac8ed72ff6ef9d06856de87e59e9533e05fda4b76c46

Download Submit
C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna3576087263014502951.dll

Filesize
241KB

MD5
e02979ecd43bcc9061eb2b494ab5af50

SHA1
3122ac0e751660f646c73b10c4f79685aa65c545

SHA256
a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

SHA512
1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2045521122-590294423-3465680274-1000\83aa4cc77f591dfc2374580bbd95f6ba_896de533-e5fb-4eb9-8f2b-d363f3584dc5

Filesize
45B

MD5
c8366ae350e7019aefc9d1e6e6a498c6

SHA1
5731d8a3e6568a5f2dfbbc87e3db9637df280b61

SHA256
11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

SHA512
33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

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

Filesize
109KB

MD5
7a5c4c8206af87ef76588eaa1fab0060

SHA1
30a4b99d4a65cf9bd7997fe2365bf677b7849a54

SHA256
e70bb96d50cb6319c4da5972c986dd4732ab6c4c78af96687454ffdb95b56b4b

SHA512
352b5dc4081928a713ea79c761752c0e2ef5f4cdfc5e2426f9e2643ee0a490415d27d29f92373ba8e463b773f3e2b0e5236336673ce0b27f68bed3b3c3a3a7fe

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/212-245-0x0000027E15CA0000-0x0000027E15CA1000-memory.dmp

Filesize
4KB

Download
memory/3524-201-0x000001D723BF0000-0x000001D723BF1000-memory.dmp

Filesize
4KB

Download
memory/4852-102-0x0000024433C00000-0x0000024433C10000-memory.dmp

Filesize
64KB

Download
memory/4852-175-0x0000024433BA0000-0x0000024433BB0000-memory.dmp

Filesize
64KB

Download
memory/4852-25-0x0000024433AA0000-0x0000024433AB0000-memory.dmp

Filesize
64KB

Download
memory/4852-27-0x0000024433AB0000-0x0000024433AC0000-memory.dmp

Filesize
64KB

Download
memory/4852-29-0x0000024433AC0000-0x0000024433AD0000-memory.dmp

Filesize
64KB

Download
memory/4852-40-0x0000024433AF0000-0x0000024433B00000-memory.dmp

Filesize
64KB

Download
memory/4852-39-0x0000024433AE0000-0x0000024433AF0000-memory.dmp

Filesize
64KB

Download
memory/4852-38-0x0000024433AD0000-0x0000024433AE0000-memory.dmp

Filesize
64KB

Download
memory/4852-43-0x0000024433B00000-0x0000024433B10000-memory.dmp

Filesize
64KB

Download
memory/4852-42-0x0000024433A50000-0x0000024433A60000-memory.dmp

Filesize
64KB

Download
memory/4852-37-0x00000244337E0000-0x0000024433A50000-memory.dmp

Filesize
2.4MB

Download
memory/4852-45-0x0000024433A60000-0x0000024433A70000-memory.dmp

Filesize
64KB

Download
memory/4852-46-0x0000024433B10000-0x0000024433B20000-memory.dmp

Filesize
64KB

Download
memory/4852-51-0x0000024433B20000-0x0000024433B30000-memory.dmp

Filesize
64KB

Download
memory/4852-50-0x0000024433A80000-0x0000024433A90000-memory.dmp

Filesize
64KB

Download
memory/4852-53-0x0000024433B30000-0x0000024433B40000-memory.dmp

Filesize
64KB

Download
memory/4852-49-0x0000024433A70000-0x0000024433A80000-memory.dmp

Filesize
64KB

Download
memory/4852-55-0x0000024433B40000-0x0000024433B50000-memory.dmp

Filesize
64KB

Download
memory/4852-54-0x0000024433A90000-0x0000024433AA0000-memory.dmp

Filesize
64KB

Download
memory/4852-57-0x0000024433AA0000-0x0000024433AB0000-memory.dmp

Filesize
64KB

Download
memory/4852-58-0x0000024433B50000-0x0000024433B60000-memory.dmp

Filesize
64KB

Download
memory/4852-63-0x0000024433B60000-0x0000024433B70000-memory.dmp

Filesize
64KB

Download
memory/4852-62-0x0000024433AB0000-0x0000024433AC0000-memory.dmp

Filesize
64KB

Download
memory/4852-65-0x0000024431F80000-0x0000024431F81000-memory.dmp

Filesize
4KB

Download
memory/4852-69-0x0000024433AE0000-0x0000024433AF0000-memory.dmp

Filesize
64KB

Download
memory/4852-68-0x0000024433AD0000-0x0000024433AE0000-memory.dmp

Filesize
64KB

Download
memory/4852-67-0x0000024433B70000-0x0000024433B80000-memory.dmp

Filesize
64KB

Download
memory/4852-66-0x0000024433AC0000-0x0000024433AD0000-memory.dmp

Filesize
64KB

Download
memory/4852-73-0x0000024433AF0000-0x0000024433B00000-memory.dmp

Filesize
64KB

Download
memory/4852-74-0x0000024433B80000-0x0000024433B90000-memory.dmp

Filesize
64KB

Download
memory/4852-78-0x0000024433B90000-0x0000024433BA0000-memory.dmp

Filesize
64KB

Download
memory/4852-77-0x0000024433B00000-0x0000024433B10000-memory.dmp

Filesize
64KB

Download
memory/4852-79-0x0000024433B10000-0x0000024433B20000-memory.dmp

Filesize
64KB

Download
memory/4852-80-0x0000024433BA0000-0x0000024433BB0000-memory.dmp

Filesize
64KB

Download
memory/4852-83-0x0000024433BB0000-0x0000024433BC0000-memory.dmp

Filesize
64KB

Download
memory/4852-82-0x0000024433B20000-0x0000024433B30000-memory.dmp

Filesize
64KB

Download
memory/4852-85-0x0000024433B30000-0x0000024433B40000-memory.dmp

Filesize
64KB

Download
memory/4852-87-0x0000024433BC0000-0x0000024433BD0000-memory.dmp

Filesize
64KB

Download
memory/4852-90-0x0000024433B40000-0x0000024433B50000-memory.dmp

Filesize
64KB

Download
memory/4852-94-0x0000024433B50000-0x0000024433B60000-memory.dmp

Filesize
64KB

Download
memory/4852-93-0x0000024433BF0000-0x0000024433C00000-memory.dmp

Filesize
64KB

Download
memory/4852-92-0x0000024433BE0000-0x0000024433BF0000-memory.dmp

Filesize
64KB

Download
memory/4852-91-0x0000024433BD0000-0x0000024433BE0000-memory.dmp

Filesize
64KB

Download
memory/4852-99-0x0000024431F80000-0x0000024431F81000-memory.dmp

Filesize
4KB

Download
memory/4852-101-0x0000024433B60000-0x0000024433B70000-memory.dmp

Filesize
64KB

Download
memory/4852-20-0x0000024433A70000-0x0000024433A80000-memory.dmp

Filesize
64KB

Download
memory/4852-105-0x0000024433C10000-0x0000024433C20000-memory.dmp

Filesize
64KB

Download
memory/4852-104-0x0000024433B70000-0x0000024433B80000-memory.dmp

Filesize
64KB

Download
memory/4852-107-0x0000024431F80000-0x0000024431F81000-memory.dmp

Filesize
4KB

Download
memory/4852-108-0x0000024433C20000-0x0000024433C30000-memory.dmp

Filesize
64KB

Download
memory/4852-24-0x0000024433A90000-0x0000024433AA0000-memory.dmp

Filesize
64KB

Download
memory/4852-111-0x0000024433C30000-0x0000024433C40000-memory.dmp

Filesize
64KB

Download
memory/4852-174-0x0000024433B90000-0x0000024433BA0000-memory.dmp

Filesize
64KB

Download
memory/4852-114-0x0000024433BA0000-0x0000024433BB0000-memory.dmp

Filesize
64KB

Download
memory/4852-113-0x0000024433B90000-0x0000024433BA0000-memory.dmp

Filesize
64KB

Download
memory/4852-118-0x0000024433C50000-0x0000024433C60000-memory.dmp

Filesize
64KB

Download
memory/4852-121-0x0000024433C60000-0x0000024433C70000-memory.dmp

Filesize
64KB

Download
memory/4852-120-0x0000024433BB0000-0x0000024433BC0000-memory.dmp

Filesize
64KB

Download
memory/4852-124-0x0000024433C70000-0x0000024433C80000-memory.dmp

Filesize
64KB

Download
memory/4852-123-0x0000024433BC0000-0x0000024433BD0000-memory.dmp

Filesize
64KB

Download
memory/4852-126-0x0000024431F80000-0x0000024431F81000-memory.dmp

Filesize
4KB

Download
memory/4852-134-0x0000024433C80000-0x0000024433C90000-memory.dmp

Filesize
64KB

Download
memory/4852-133-0x0000024433BF0000-0x0000024433C00000-memory.dmp

Filesize
64KB

Download
memory/4852-135-0x0000024433C90000-0x0000024433CA0000-memory.dmp

Filesize
64KB

Download
memory/4852-132-0x0000024433BE0000-0x0000024433BF0000-memory.dmp

Filesize
64KB

Download
memory/4852-131-0x0000024433BD0000-0x0000024433BE0000-memory.dmp

Filesize
64KB

Download
memory/4852-142-0x0000024431F80000-0x0000024431F81000-memory.dmp

Filesize
4KB

Download
memory/4852-143-0x0000024433C00000-0x0000024433C10000-memory.dmp

Filesize
64KB

Download
memory/4852-145-0x0000024433C10000-0x0000024433C20000-memory.dmp

Filesize
64KB

Download
memory/4852-146-0x0000024433C20000-0x0000024433C30000-memory.dmp

Filesize
64KB

Download
memory/4852-149-0x0000024431F80000-0x0000024431F81000-memory.dmp

Filesize
4KB

Download
memory/4852-150-0x0000024433AF0000-0x0000024433B00000-memory.dmp

Filesize
64KB

Download
memory/4852-154-0x0000024433A80000-0x0000024433A90000-memory.dmp

Filesize
64KB

Download
memory/4852-160-0x0000024433AE0000-0x0000024433AF0000-memory.dmp

Filesize
64KB

Download
memory/4852-159-0x0000024433AD0000-0x0000024433AE0000-memory.dmp

Filesize
64KB

Download
memory/4852-158-0x0000024433AC0000-0x0000024433AD0000-memory.dmp

Filesize
64KB

Download
memory/4852-157-0x0000024433AB0000-0x0000024433AC0000-memory.dmp

Filesize
64KB

Download
memory/4852-156-0x0000024433AA0000-0x0000024433AB0000-memory.dmp

Filesize
64KB

Download
memory/4852-155-0x0000024433A90000-0x0000024433AA0000-memory.dmp

Filesize
64KB

Download
memory/4852-153-0x0000024433A70000-0x0000024433A80000-memory.dmp

Filesize
64KB

Download
memory/4852-152-0x0000024433A60000-0x0000024433A70000-memory.dmp

Filesize
64KB

Download
memory/4852-151-0x0000024433A50000-0x0000024433A60000-memory.dmp

Filesize
64KB

Download
memory/4852-179-0x0000024433BF0000-0x0000024433C00000-memory.dmp

Filesize
64KB

Download
memory/4852-178-0x0000024433BE0000-0x0000024433BF0000-memory.dmp

Filesize
64KB

Download
memory/4852-177-0x0000024433BD0000-0x0000024433BE0000-memory.dmp

Filesize
64KB

Download
memory/4852-176-0x0000024433BC0000-0x0000024433BD0000-memory.dmp

Filesize
64KB

Download
memory/4852-110-0x0000024433B80000-0x0000024433B90000-memory.dmp

Filesize
64KB

Download
memory/4852-115-0x0000024433C40000-0x0000024433C50000-memory.dmp

Filesize
64KB

Download
memory/4852-173-0x0000024433B80000-0x0000024433B90000-memory.dmp

Filesize
64KB

Download
memory/4852-172-0x0000024433B70000-0x0000024433B80000-memory.dmp

Filesize
64KB

Download
memory/4852-171-0x0000024433B60000-0x0000024433B70000-memory.dmp

Filesize
64KB

Download
memory/4852-170-0x0000024433B50000-0x0000024433B60000-memory.dmp

Filesize
64KB

Download
memory/4852-169-0x0000024433B40000-0x0000024433B50000-memory.dmp

Filesize
64KB

Download
memory/4852-21-0x0000024433A80000-0x0000024433A90000-memory.dmp

Filesize
64KB

Download
memory/4852-17-0x0000024433A60000-0x0000024433A70000-memory.dmp

Filesize
64KB

Download
memory/4852-15-0x0000024433A50000-0x0000024433A60000-memory.dmp

Filesize
64KB

Download
memory/4852-13-0x0000024431F80000-0x0000024431F81000-memory.dmp

Filesize
4KB

Download
memory/4852-4-0x00000244337E0000-0x0000024433A50000-memory.dmp

Filesize
2.4MB

Download
memory/4852-168-0x0000024433B30000-0x0000024433B40000-memory.dmp

Filesize
64KB

Download
memory/4852-167-0x0000024433B20000-0x0000024433B30000-memory.dmp

Filesize
64KB

Download
memory/4852-166-0x0000024433B10000-0x0000024433B20000-memory.dmp

Filesize
64KB

Download
memory/4852-165-0x0000024433B00000-0x0000024433B10000-memory.dmp

Filesize
64KB

Download
memory/4852-164-0x00000244337E0000-0x0000024433A50000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads