strrat | 7a85be46c2ea87761f8453850accabed698b20ae24994e3f36a9d4fa4b34e1ad

Analysis

max time kernel
146s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22-08-2024 10:08

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General

Target

7a85be46c2ea87761f8453850accabed698b20ae24994e3f36a9d4fa4b34e1ad.jar
Size

124KB
MD5

9b6b8d9e9c4a78a56dd7f3ff3910d123
SHA1

063bc159f1a611329e1713b4dd464589311f4ac4
SHA256

7a85be46c2ea87761f8453850accabed698b20ae24994e3f36a9d4fa4b34e1ad
SHA512

4a0980b766efb187a4869685bb986f20111268282f80da1c287cbbadb50e6eaba8d2ce46733e627530826d367a13d5351f08eabe48830445925ddbd3be189026
SSDEEP

3072:DqZlIC+q92TZzGmr3EyyF5cRAzDLmiLqnp8559FX:exT2ZDDExDLFenG3FX

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

Processes:

wscript.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation wscript.exe
Drops startup file 1 IoCs

Processes:

java.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\gqzhtec.txt java.exe
Loads dropped DLL 2 IoCs

Processes:

java.exejava.exe

pid process

3204 java.exe
1328 java.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	wscript.exe

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

pid	process
3204	java.exe
1328	java.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

java.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gqzhtec = "\"C:\\Users\\Admin\\AppData\\Roaming\\gqzhtec.txt\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gqzhtec = "\"C:\\Users\\Admin\\AppData\\Roaming\\gqzhtec.txt\""	java.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

40 ip-api.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
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

Processes:

schtasks.exe

pid process

3148 schtasks.exe

flow	ioc
40	ip-api.com

pid	process
3148	schtasks.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

WMIC.exeWMIC.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4520	WMIC.exe
Token: SeSecurityPrivilege	4520	WMIC.exe
Token: SeTakeOwnershipPrivilege	4520	WMIC.exe
Token: SeLoadDriverPrivilege	4520	WMIC.exe
Token: SeSystemProfilePrivilege	4520	WMIC.exe
Token: SeSystemtimePrivilege	4520	WMIC.exe
Token: SeProfSingleProcessPrivilege	4520	WMIC.exe
Token: SeIncBasePriorityPrivilege	4520	WMIC.exe
Token: SeCreatePagefilePrivilege	4520	WMIC.exe
Token: SeBackupPrivilege	4520	WMIC.exe
Token: SeRestorePrivilege	4520	WMIC.exe
Token: SeShutdownPrivilege	4520	WMIC.exe
Token: SeDebugPrivilege	4520	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4520	WMIC.exe
Token: SeRemoteShutdownPrivilege	4520	WMIC.exe
Token: SeUndockPrivilege	4520	WMIC.exe
Token: SeManageVolumePrivilege	4520	WMIC.exe
Token: 33	4520	WMIC.exe
Token: 34	4520	WMIC.exe
Token: 35	4520	WMIC.exe
Token: 36	4520	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4520	WMIC.exe
Token: SeSecurityPrivilege	4520	WMIC.exe
Token: SeTakeOwnershipPrivilege	4520	WMIC.exe
Token: SeLoadDriverPrivilege	4520	WMIC.exe
Token: SeSystemProfilePrivilege	4520	WMIC.exe
Token: SeSystemtimePrivilege	4520	WMIC.exe
Token: SeProfSingleProcessPrivilege	4520	WMIC.exe
Token: SeIncBasePriorityPrivilege	4520	WMIC.exe
Token: SeCreatePagefilePrivilege	4520	WMIC.exe
Token: SeBackupPrivilege	4520	WMIC.exe
Token: SeRestorePrivilege	4520	WMIC.exe
Token: SeShutdownPrivilege	4520	WMIC.exe
Token: SeDebugPrivilege	4520	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4520	WMIC.exe
Token: SeRemoteShutdownPrivilege	4520	WMIC.exe
Token: SeUndockPrivilege	4520	WMIC.exe
Token: SeManageVolumePrivilege	4520	WMIC.exe
Token: 33	4520	WMIC.exe
Token: 34	4520	WMIC.exe
Token: 35	4520	WMIC.exe
Token: 36	4520	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3476	WMIC.exe
Token: SeSecurityPrivilege	3476	WMIC.exe
Token: SeTakeOwnershipPrivilege	3476	WMIC.exe
Token: SeLoadDriverPrivilege	3476	WMIC.exe
Token: SeSystemProfilePrivilege	3476	WMIC.exe
Token: SeSystemtimePrivilege	3476	WMIC.exe
Token: SeProfSingleProcessPrivilege	3476	WMIC.exe
Token: SeIncBasePriorityPrivilege	3476	WMIC.exe
Token: SeCreatePagefilePrivilege	3476	WMIC.exe
Token: SeBackupPrivilege	3476	WMIC.exe
Token: SeRestorePrivilege	3476	WMIC.exe
Token: SeShutdownPrivilege	3476	WMIC.exe
Token: SeDebugPrivilege	3476	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3476	WMIC.exe
Token: SeRemoteShutdownPrivilege	3476	WMIC.exe
Token: SeUndockPrivilege	3476	WMIC.exe
Token: SeManageVolumePrivilege	3476	WMIC.exe
Token: 33	3476	WMIC.exe
Token: 34	3476	WMIC.exe
Token: 35	3476	WMIC.exe
Token: 36	3476	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3476	WMIC.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

java.exewscript.exejavaw.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exe

description	pid	process	target process
PID 1100 wrote to memory of 2216	1100	java.exe	wscript.exe
PID 1100 wrote to memory of 2216	1100	java.exe	wscript.exe
PID 2216 wrote to memory of 3404	2216	wscript.exe	javaw.exe
PID 2216 wrote to memory of 3404	2216	wscript.exe	javaw.exe
PID 3404 wrote to memory of 3204	3404	javaw.exe	java.exe
PID 3404 wrote to memory of 3204	3404	javaw.exe	java.exe
PID 3204 wrote to memory of 4720	3204	java.exe	cmd.exe
PID 3204 wrote to memory of 4720	3204	java.exe	cmd.exe
PID 3204 wrote to memory of 1328	3204	java.exe	java.exe
PID 3204 wrote to memory of 1328	3204	java.exe	java.exe
PID 4720 wrote to memory of 3148	4720	cmd.exe	schtasks.exe
PID 4720 wrote to memory of 3148	4720	cmd.exe	schtasks.exe
PID 1328 wrote to memory of 3432	1328	java.exe	cmd.exe
PID 1328 wrote to memory of 3432	1328	java.exe	cmd.exe
PID 3432 wrote to memory of 4520	3432	cmd.exe	WMIC.exe
PID 3432 wrote to memory of 4520	3432	cmd.exe	WMIC.exe
PID 1328 wrote to memory of 5000	1328	java.exe	cmd.exe
PID 1328 wrote to memory of 5000	1328	java.exe	cmd.exe
PID 5000 wrote to memory of 3476	5000	cmd.exe	WMIC.exe
PID 5000 wrote to memory of 3476	5000	cmd.exe	WMIC.exe
PID 1328 wrote to memory of 1360	1328	java.exe	cmd.exe
PID 1328 wrote to memory of 1360	1328	java.exe	cmd.exe
PID 1360 wrote to memory of 4060	1360	cmd.exe	WMIC.exe
PID 1360 wrote to memory of 4060	1360	cmd.exe	WMIC.exe
PID 1328 wrote to memory of 4792	1328	java.exe	cmd.exe
PID 1328 wrote to memory of 4792	1328	java.exe	cmd.exe
PID 4792 wrote to memory of 1340	4792	cmd.exe	WMIC.exe
PID 4792 wrote to memory of 1340	4792	cmd.exe	WMIC.exe

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\7a85be46c2ea87761f8453850accabed698b20ae24994e3f36a9d4fa4b34e1ad.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Windows\SYSTEM32\wscript.exe
  wscript C:\Users\Admin\kwtjfxitjs.js
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2216
- - 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\gqzhtec.txt"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3404
  - - C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\gqzhtec.txt"
      4⤵
      Drops startup file
      Loads dropped DLL
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:3204
    - - C:\Windows\SYSTEM32\cmd.exe
        
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\gqzhtec.txt"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4720
      - C:\Windows\system32\schtasks.exe
        
        schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\gqzhtec.txt"
        6⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:3148
    - - 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\gqzhtec.txt"
        5⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:1328
      - C:\Windows\SYSTEM32\cmd.exe
        
        cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:3432
        
        C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
        7⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:4520
      - C:\Windows\SYSTEM32\cmd.exe
        
        cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:5000
        
        C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
        7⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:3476
      - C:\Windows\SYSTEM32\cmd.exe
        
        cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:1360
        
        C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
        7⤵
        
        PID:4060
      - C:\Windows\SYSTEM32\cmd.exe
        
        cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:4792
        
        C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
        7⤵
        
        PID:1340

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
9f851b359a63b75d95ab80dfd438e1eb

SHA1
d291352afd0ae6720fe5f0f8cec73cc3779b32a1

SHA256
8469efde0e615fb63f59ddd62671e1370c4d7f26aaf386df2331c5dba76130f1

SHA512
67547623695f9f70279cfb738a655d468d5b7784091d93432407d0695696545ee370ab8ef4edbc42da3a1ab1de0b3897f3e09fb6bd2047ef521b9fceae3a3e35

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

Filesize
46B

MD5
6d139a1e463eb49e6afa4c4b37309f38

SHA1
4434d0f63de73107712e01b4e7b25110eeb8afed

SHA256
bdd01601d2ced776a5f80a5c2926fad34e593a18c374e7c75f0fec73e40f9a05

SHA512
f2bce5410073b10785c70f7f58b1f5b9a30c2f15983e4e5276ecea0ccde3047b4707ca4c7bdefdadbf8f284a69af2b247a7921e94539b4cbe4888316988db183

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

Filesize
46B

MD5
0eae2acf3d46952659571480ef29971f

SHA1
d6b034d3b92d6aa6da525aecca435a030dcbc350

SHA256
ce44c15e5562eb09aa5e56a825fec2392fb49abebb48cb339a2cc687b70e1e65

SHA512
5925b2cb540026098d30d949402ccdbbeb6210d2d2e02d203e8d7b2799b8520a4294d55f4559dd585b8cfdfa88cff4f09afc75fced9083db52a3c0b277c96505

Download Submit
C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna1785114026078002096.dll

Filesize
241KB

MD5
e02979ecd43bcc9061eb2b494ab5af50

SHA1
3122ac0e751660f646c73b10c4f79685aa65c545

SHA256
a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

SHA512
1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-523280732-2327480845-3730041215-1000\83aa4cc77f591dfc2374580bbd95f6ba_a5c5e2ae-85e3-447c-9e0b-c9a7b966d823

Filesize
45B

MD5
c8366ae350e7019aefc9d1e6e6a498c6

SHA1
5731d8a3e6568a5f2dfbbc87e3db9637df280b61

SHA256
11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

SHA512
33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

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

Filesize
92KB

MD5
40324e4190ca694d65c17b8142490c1e

SHA1
14f8a7fbd6580cc1146a04af95c37b6772bb5215

SHA256
943a982c65ebf476f6f454a95e4f8105f6c89d3e90d638113f718a208aa51db0

SHA512
885107f66e0441f1d14ae4f193bcacea831f46872ec74501d82f29af7e51731714acf8a63fce72dac557c20c6cd15d1e77734e3fa443bc28dd3cda5aca22f5b7

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

Filesize
211KB

MD5
02f54cae55ac59791732da5e9dc0bc02

SHA1
3471c8048595da2b21de90a073254604baa71f3a

SHA256
84d3131757d898906d44ed9e775526caeae6b0ffc53817101afbcec81119ecb6

SHA512
f16c90ef8952daee6050df14ae372a3021e85045cd8e9fddcabd5699031d1b478577532ba20172c8f8c9d80287c69d056af93a442e20a8f842ec5b3a630bdc67

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/1100-2-0x000001E3CFE80000-0x000001E3D00F0000-memory.dmp

Filesize
2.4MB

Download
memory/1100-15-0x000001E3CFE80000-0x000001E3D00F0000-memory.dmp

Filesize
2.4MB

Download
memory/1100-13-0x000001E3CE5B0000-0x000001E3CE5B1000-memory.dmp

Filesize
4KB

Download
memory/1328-204-0x000001FFF49A0000-0x000001FFF49A1000-memory.dmp

Filesize
4KB

Download
memory/1328-191-0x000001FFF49A0000-0x000001FFF49A1000-memory.dmp

Filesize
4KB

Download
memory/1328-205-0x000001FFF49A0000-0x000001FFF49A1000-memory.dmp

Filesize
4KB

Download
memory/3204-146-0x000001D6766D0000-0x000001D6766D1000-memory.dmp

Filesize
4KB

Download
memory/3204-162-0x000001D6766D0000-0x000001D6766D1000-memory.dmp

Filesize
4KB

Download
memory/3404-44-0x0000025B24250000-0x0000025B24251000-memory.dmp

Filesize
4KB

Download
memory/3404-114-0x0000025B24270000-0x0000025B244E0000-memory.dmp

Filesize
2.4MB

Download
memory/3404-113-0x0000025B24250000-0x0000025B24251000-memory.dmp

Filesize
4KB

Download
memory/3404-95-0x0000025B24270000-0x0000025B244E0000-memory.dmp

Filesize
2.4MB

Download
memory/3404-92-0x0000025B24250000-0x0000025B24251000-memory.dmp

Filesize
4KB

Download
memory/3404-88-0x0000025B24250000-0x0000025B24251000-memory.dmp

Filesize
4KB

Download
memory/3404-80-0x0000025B24250000-0x0000025B24251000-memory.dmp

Filesize
4KB

Download
memory/3404-78-0x0000025B24250000-0x0000025B24251000-memory.dmp

Filesize
4KB

Download
memory/3404-72-0x0000025B24250000-0x0000025B24251000-memory.dmp

Filesize
4KB

Download
memory/3404-20-0x0000025B24270000-0x0000025B244E0000-memory.dmp

Filesize
2.4MB

Download