strrat | 7dac70b3a13a5c7de050546377e87e3cc0074ddffd0ae859594356f27684b5c1

Analysis

max time kernel
146s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
11-05-2024 01:33

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General

Target

7dac70b3a13a5c7de050546377e87e3cc0074ddffd0ae859594356f27684b5c1.jar
Size

223KB
MD5

1fd8b149c3c3fb8dd216174ed3c5246f
SHA1

fb6d16773bb961b2e4b66b318ecd5c0129917724
SHA256

7dac70b3a13a5c7de050546377e87e3cc0074ddffd0ae859594356f27684b5c1
SHA512

4b5a978a2a5bb1cc659d8cdfc0faa98d0fdcc4da7ada7e6160ae04506d880c84918a9c8afc2b356ecaaedf57388a9161e17a930747c8779b6e2c14a7a04a5118
SSDEEP

6144:k6mceAFqNjwGhZJHruXCWQnNA26hl2pur50IYAGz1qLUbmi8m:k6mMyt9nMD50IfLUbmi8m

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-1-5-21-4124900551-4068476067-3491212533-1000\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\ucfapveajw.txt	java.exe

Loads dropped DLL 1 IoCs

pid	Process
3896	java.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3404	icacls.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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ucfapveajw = "\"C:\\Users\\Admin\\AppData\\Roaming\\ucfapveajw.txt\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ucfapveajw = "\"C:\\Users\\Admin\\AppData\\Roaming\\ucfapveajw.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.

flow	ioc
30	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

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
1444	schtasks.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	5108	WMIC.exe
Token: SeSecurityPrivilege	5108	WMIC.exe
Token: SeTakeOwnershipPrivilege	5108	WMIC.exe
Token: SeLoadDriverPrivilege	5108	WMIC.exe
Token: SeSystemProfilePrivilege	5108	WMIC.exe
Token: SeSystemtimePrivilege	5108	WMIC.exe
Token: SeProfSingleProcessPrivilege	5108	WMIC.exe
Token: SeIncBasePriorityPrivilege	5108	WMIC.exe
Token: SeCreatePagefilePrivilege	5108	WMIC.exe
Token: SeBackupPrivilege	5108	WMIC.exe
Token: SeRestorePrivilege	5108	WMIC.exe
Token: SeShutdownPrivilege	5108	WMIC.exe
Token: SeDebugPrivilege	5108	WMIC.exe
Token: SeSystemEnvironmentPrivilege	5108	WMIC.exe
Token: SeRemoteShutdownPrivilege	5108	WMIC.exe
Token: SeUndockPrivilege	5108	WMIC.exe
Token: SeManageVolumePrivilege	5108	WMIC.exe
Token: 33	5108	WMIC.exe
Token: 34	5108	WMIC.exe
Token: 35	5108	WMIC.exe
Token: 36	5108	WMIC.exe
Token: SeIncreaseQuotaPrivilege	5108	WMIC.exe
Token: SeSecurityPrivilege	5108	WMIC.exe
Token: SeTakeOwnershipPrivilege	5108	WMIC.exe
Token: SeLoadDriverPrivilege	5108	WMIC.exe
Token: SeSystemProfilePrivilege	5108	WMIC.exe
Token: SeSystemtimePrivilege	5108	WMIC.exe
Token: SeProfSingleProcessPrivilege	5108	WMIC.exe
Token: SeIncBasePriorityPrivilege	5108	WMIC.exe
Token: SeCreatePagefilePrivilege	5108	WMIC.exe
Token: SeBackupPrivilege	5108	WMIC.exe
Token: SeRestorePrivilege	5108	WMIC.exe
Token: SeShutdownPrivilege	5108	WMIC.exe
Token: SeDebugPrivilege	5108	WMIC.exe
Token: SeSystemEnvironmentPrivilege	5108	WMIC.exe
Token: SeRemoteShutdownPrivilege	5108	WMIC.exe
Token: SeUndockPrivilege	5108	WMIC.exe
Token: SeManageVolumePrivilege	5108	WMIC.exe
Token: 33	5108	WMIC.exe
Token: 34	5108	WMIC.exe
Token: 35	5108	WMIC.exe
Token: 36	5108	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1768	WMIC.exe
Token: SeSecurityPrivilege	1768	WMIC.exe
Token: SeTakeOwnershipPrivilege	1768	WMIC.exe
Token: SeLoadDriverPrivilege	1768	WMIC.exe
Token: SeSystemProfilePrivilege	1768	WMIC.exe
Token: SeSystemtimePrivilege	1768	WMIC.exe
Token: SeProfSingleProcessPrivilege	1768	WMIC.exe
Token: SeIncBasePriorityPrivilege	1768	WMIC.exe
Token: SeCreatePagefilePrivilege	1768	WMIC.exe
Token: SeBackupPrivilege	1768	WMIC.exe
Token: SeRestorePrivilege	1768	WMIC.exe
Token: SeShutdownPrivilege	1768	WMIC.exe
Token: SeDebugPrivilege	1768	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1768	WMIC.exe
Token: SeRemoteShutdownPrivilege	1768	WMIC.exe
Token: SeUndockPrivilege	1768	WMIC.exe
Token: SeManageVolumePrivilege	1768	WMIC.exe
Token: 33	1768	WMIC.exe
Token: 34	1768	WMIC.exe
Token: 35	1768	WMIC.exe
Token: 36	1768	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1768	WMIC.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3944 wrote to memory of 3404	3944	java.exe	85
PID 3944 wrote to memory of 3404	3944	java.exe	85
PID 3944 wrote to memory of 1852	3944	java.exe	88
PID 3944 wrote to memory of 1852	3944	java.exe	88
PID 1852 wrote to memory of 688	1852	wscript.exe	89
PID 1852 wrote to memory of 688	1852	wscript.exe	89
PID 688 wrote to memory of 2328	688	javaw.exe	93
PID 688 wrote to memory of 2328	688	javaw.exe	93
PID 2328 wrote to memory of 4088	2328	java.exe	95
PID 2328 wrote to memory of 4088	2328	java.exe	95
PID 2328 wrote to memory of 3896	2328	java.exe	96
PID 2328 wrote to memory of 3896	2328	java.exe	96
PID 4088 wrote to memory of 1444	4088	cmd.exe	99
PID 4088 wrote to memory of 1444	4088	cmd.exe	99
PID 3896 wrote to memory of 396	3896	java.exe	100
PID 3896 wrote to memory of 396	3896	java.exe	100
PID 396 wrote to memory of 5108	396	cmd.exe	102
PID 396 wrote to memory of 5108	396	cmd.exe	102
PID 3896 wrote to memory of 856	3896	java.exe	104
PID 3896 wrote to memory of 856	3896	java.exe	104
PID 856 wrote to memory of 1768	856	cmd.exe	106
PID 856 wrote to memory of 1768	856	cmd.exe	106
PID 3896 wrote to memory of 3972	3896	java.exe	107
PID 3896 wrote to memory of 3972	3896	java.exe	107
PID 3972 wrote to memory of 3476	3972	cmd.exe	109
PID 3972 wrote to memory of 3476	3972	cmd.exe	109
PID 3896 wrote to memory of 4868	3896	java.exe	110
PID 3896 wrote to memory of 4868	3896	java.exe	110
PID 4868 wrote to memory of 4700	4868	cmd.exe	112
PID 4868 wrote to memory of 4700	4868	cmd.exe	112

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\7dac70b3a13a5c7de050546377e87e3cc0074ddffd0ae859594356f27684b5c1.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:3944
- 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:3404
- C:\Windows\SYSTEM32\wscript.exe
  wscript C:\Users\Admin\wgmvvpydzl.js
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:1852
- - 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\ucfapveajw.txt"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:688
  - - C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\ucfapveajw.txt"
      4⤵
      Drops startup file
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:2328
    - - C:\Windows\SYSTEM32\cmd.exe
        
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\ucfapveajw.txt"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4088
      - C:\Windows\system32\schtasks.exe
        
        schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\ucfapveajw.txt"
        6⤵
        Creates scheduled task(s)
        
        PID:1444
    - - 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\ucfapveajw.txt"
        5⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:3896
      - 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:396
        
        C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
        7⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:5108
      - 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:856
        
        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:1768
      - 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:3972
        
        C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
        7⤵
        
        PID:3476
      - 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:4868
        
        C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
        7⤵
        
        PID:4700

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

Exfiltration

Impact

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Downloads

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

Filesize
46B

MD5
5cb0be621abf516caeddc1158583bf20

SHA1
5d4e4f3863f3081214f1a33829eaf939b201a598

SHA256
db0944437c2a24551861eab053be7f389430a4106b579153468a6bbfe5ec997c

SHA512
4a9bd73c37b00a8c4c8069c436d15ab2b869bdab154c9d37b95510bb9e3106ef0700d9769287ac48dbc3b5cb509b81010a61655251b59d28694795db182899f8

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

Filesize
46B

MD5
696b3165ee1665d4c2c57a2dc2e6b19d

SHA1
245bfa63b16801b001e004047254fc132ed4b1f2

SHA256
a51618b96f8a29391a55b2fab04cb3858825ee5d6365d51b0e2158c9cdbdd1a3

SHA512
561ff7fdcfff939d0521b1f488f606e6bc8ee823361df29a03797071ca2ab1ee1c7bf4c87b058ae19a9573b5803b55e2697fcf7409d52e4b049c8e91e14226e9

Download Submit
C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna8448068478713344577.dll

Filesize
241KB

MD5
e02979ecd43bcc9061eb2b494ab5af50

SHA1
3122ac0e751660f646c73b10c4f79685aa65c545

SHA256
a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

SHA512
1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4124900551-4068476067-3491212533-1000\83aa4cc77f591dfc2374580bbd95f6ba_310807ab-751f-4d81-ae09-b202eaf21e19

Filesize
45B

MD5
c8366ae350e7019aefc9d1e6e6a498c6

SHA1
5731d8a3e6568a5f2dfbbc87e3db9637df280b61

SHA256
11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

SHA512
33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

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

Filesize
164KB

MD5
6f59762675a1043ce3d52145c4fca3b5

SHA1
e98851b70a4f1b413599ed7e848d4128d66f7d16

SHA256
19a1796f53aed8daf769cb5adc2fdec81bd3cd7b6f5a3a746bd41c97e1eea44c

SHA512
067c3d2e9c931cee28c0f5bf63fa0cc3a66b0060b23316aee8320a4383e54bcdd69d97bc7d29423249ff6e711ef7c05f246d689529663c18c00d11bb61742d00

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\wgmvvpydzl.js

Filesize
362KB

MD5
bb50697fe3386d487170c804f149f5d7

SHA1
d60bf6416d6274f65a0271c7bfc59f150a2634dc

SHA256
66fb7818e20c441594aad7548dddf22c0b6cf48d3205dd6533fa88fd7f0079b8

SHA512
0665986405ef38db17d7c6e5b96074cd6764ee2c5af8a3e08a9afb5f68d51f5c79cf0e448c11df3cd4e4b9e67c65cc2f2f8cbe58ff3eda13078a65748d1b5035

Download Submit
memory/688-21-0x000001EF05690000-0x000001EF05900000-memory.dmp

Filesize
2.4MB

Download
memory/688-57-0x000001EF03DE0000-0x000001EF03DE1000-memory.dmp

Filesize
4KB

Download
memory/688-99-0x000001EF03DE0000-0x000001EF03DE1000-memory.dmp

Filesize
4KB

Download
memory/688-100-0x000001EF05690000-0x000001EF05900000-memory.dmp

Filesize
2.4MB

Download
memory/688-75-0x000001EF03DE0000-0x000001EF03DE1000-memory.dmp

Filesize
4KB

Download
memory/688-73-0x000001EF03DE0000-0x000001EF03DE1000-memory.dmp

Filesize
4KB

Download
memory/688-59-0x000001EF03DE0000-0x000001EF03DE1000-memory.dmp

Filesize
4KB

Download
memory/688-85-0x000001EF03DE0000-0x000001EF03DE1000-memory.dmp

Filesize
4KB

Download
memory/688-47-0x000001EF03DE0000-0x000001EF03DE1000-memory.dmp

Filesize
4KB

Download
memory/2328-134-0x000002A77D310000-0x000002A77D311000-memory.dmp

Filesize
4KB

Download
memory/3896-160-0x0000014490020000-0x0000014490021000-memory.dmp

Filesize
4KB

Download
memory/3896-168-0x0000014490020000-0x0000014490021000-memory.dmp

Filesize
4KB

Download
memory/3944-2-0x0000022023630000-0x00000220238A0000-memory.dmp

Filesize
2.4MB

Download
memory/3944-15-0x0000022023630000-0x00000220238A0000-memory.dmp

Filesize
2.4MB

Download
memory/3944-14-0x0000022021D50000-0x0000022021D51000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads