strrat | 5a4ad96a02cd36c3bedbc7e54a95c60165f72e398b59606d86d3990bd833a6b7

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
12/05/2024, 01:15

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General

Target
5a4ad96a02cd36c3bedbc7e54a95c60165f72e398b59606d86d3990bd833a6b7.jar
Size 218KB
Sample240512-bmf42acd97
SHA256 5a4ad96a02cd36c3bedbc7e54a95c60165f72e398b59606d86d3990bd833a6b7
MD5 3821d42433e37c5a5b7eeaa4d55ec92b
SHA1 3745f526fd0b49610927d22b3c3e714967b1b6dd
SHA512 e3aea58ea9e9ee62c7a01daae11952d95ba5b08505433be82b03a8c5a15538a1e60dc46f41a7abb83a4284103aac5f1e3ac7d5d8a65bee508c5589b0e80480d9
SSDEEP 6144:xIjeiHtSNJO57o/h9++wT+r3lAkzlD/RDFa:xFiNSjO57o/h94T+ZAkh6
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-2804150937-2146708401-419095071-1000\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\twvokhjlxq.txt	java.exe

Loads dropped DLL 1 IoCs

pid	Process
3648	java.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1340	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-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twvokhjlxq = "\"C:\\Users\\Admin\\AppData\\Roaming\\twvokhjlxq.txt\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twvokhjlxq = "\"C:\\Users\\Admin\\AppData\\Roaming\\twvokhjlxq.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
45	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
3304	schtasks.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4416	WMIC.exe
Token: SeSecurityPrivilege	4416	WMIC.exe
Token: SeTakeOwnershipPrivilege	4416	WMIC.exe
Token: SeLoadDriverPrivilege	4416	WMIC.exe
Token: SeSystemProfilePrivilege	4416	WMIC.exe
Token: SeSystemtimePrivilege	4416	WMIC.exe
Token: SeProfSingleProcessPrivilege	4416	WMIC.exe
Token: SeIncBasePriorityPrivilege	4416	WMIC.exe
Token: SeCreatePagefilePrivilege	4416	WMIC.exe
Token: SeBackupPrivilege	4416	WMIC.exe
Token: SeRestorePrivilege	4416	WMIC.exe
Token: SeShutdownPrivilege	4416	WMIC.exe
Token: SeDebugPrivilege	4416	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4416	WMIC.exe
Token: SeRemoteShutdownPrivilege	4416	WMIC.exe
Token: SeUndockPrivilege	4416	WMIC.exe
Token: SeManageVolumePrivilege	4416	WMIC.exe
Token: 33	4416	WMIC.exe
Token: 34	4416	WMIC.exe
Token: 35	4416	WMIC.exe
Token: 36	4416	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4416	WMIC.exe
Token: SeSecurityPrivilege	4416	WMIC.exe
Token: SeTakeOwnershipPrivilege	4416	WMIC.exe
Token: SeLoadDriverPrivilege	4416	WMIC.exe
Token: SeSystemProfilePrivilege	4416	WMIC.exe
Token: SeSystemtimePrivilege	4416	WMIC.exe
Token: SeProfSingleProcessPrivilege	4416	WMIC.exe
Token: SeIncBasePriorityPrivilege	4416	WMIC.exe
Token: SeCreatePagefilePrivilege	4416	WMIC.exe
Token: SeBackupPrivilege	4416	WMIC.exe
Token: SeRestorePrivilege	4416	WMIC.exe
Token: SeShutdownPrivilege	4416	WMIC.exe
Token: SeDebugPrivilege	4416	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4416	WMIC.exe
Token: SeRemoteShutdownPrivilege	4416	WMIC.exe
Token: SeUndockPrivilege	4416	WMIC.exe
Token: SeManageVolumePrivilege	4416	WMIC.exe
Token: 33	4416	WMIC.exe
Token: 34	4416	WMIC.exe
Token: 35	4416	WMIC.exe
Token: 36	4416	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1988	WMIC.exe
Token: SeSecurityPrivilege	1988	WMIC.exe
Token: SeTakeOwnershipPrivilege	1988	WMIC.exe
Token: SeLoadDriverPrivilege	1988	WMIC.exe
Token: SeSystemProfilePrivilege	1988	WMIC.exe
Token: SeSystemtimePrivilege	1988	WMIC.exe
Token: SeProfSingleProcessPrivilege	1988	WMIC.exe
Token: SeIncBasePriorityPrivilege	1988	WMIC.exe
Token: SeCreatePagefilePrivilege	1988	WMIC.exe
Token: SeBackupPrivilege	1988	WMIC.exe
Token: SeRestorePrivilege	1988	WMIC.exe
Token: SeShutdownPrivilege	1988	WMIC.exe
Token: SeDebugPrivilege	1988	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1988	WMIC.exe
Token: SeRemoteShutdownPrivilege	1988	WMIC.exe
Token: SeUndockPrivilege	1988	WMIC.exe
Token: SeManageVolumePrivilege	1988	WMIC.exe
Token: 33	1988	WMIC.exe
Token: 34	1988	WMIC.exe
Token: 35	1988	WMIC.exe
Token: 36	1988	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1988	WMIC.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2996 wrote to memory of 1340	2996	java.exe	85
PID 2996 wrote to memory of 1340	2996	java.exe	85
PID 2996 wrote to memory of 1148	2996	java.exe	87
PID 2996 wrote to memory of 1148	2996	java.exe	87
PID 1148 wrote to memory of 1692	1148	wscript.exe	89
PID 1148 wrote to memory of 1692	1148	wscript.exe	89
PID 1692 wrote to memory of 2604	1692	javaw.exe	90
PID 1692 wrote to memory of 2604	1692	javaw.exe	90
PID 2604 wrote to memory of 4928	2604	java.exe	92
PID 2604 wrote to memory of 4928	2604	java.exe	92
PID 2604 wrote to memory of 3648	2604	java.exe	93
PID 2604 wrote to memory of 3648	2604	java.exe	93
PID 4928 wrote to memory of 3304	4928	cmd.exe	96
PID 4928 wrote to memory of 3304	4928	cmd.exe	96
PID 3648 wrote to memory of 560	3648	java.exe	100
PID 3648 wrote to memory of 560	3648	java.exe	100
PID 560 wrote to memory of 4416	560	cmd.exe	102
PID 560 wrote to memory of 4416	560	cmd.exe	102
PID 3648 wrote to memory of 1636	3648	java.exe	103
PID 3648 wrote to memory of 1636	3648	java.exe	103
PID 1636 wrote to memory of 1988	1636	cmd.exe	105
PID 1636 wrote to memory of 1988	1636	cmd.exe	105
PID 3648 wrote to memory of 4652	3648	java.exe	106
PID 3648 wrote to memory of 4652	3648	java.exe	106
PID 4652 wrote to memory of 1040	4652	cmd.exe	108
PID 4652 wrote to memory of 1040	4652	cmd.exe	108
PID 3648 wrote to memory of 640	3648	java.exe	109
PID 3648 wrote to memory of 640	3648	java.exe	109
PID 640 wrote to memory of 4252	640	cmd.exe	111
PID 640 wrote to memory of 4252	640	cmd.exe	111

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\5a4ad96a02cd36c3bedbc7e54a95c60165f72e398b59606d86d3990bd833a6b7.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:2996
- 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:1340
- C:\Windows\SYSTEM32\wscript.exe
  wscript C:\Users\Admin\iqitqqjcjb.js
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:1148
- - 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\twvokhjlxq.txt"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1692
  - - C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\twvokhjlxq.txt"
      4⤵
      Drops startup file
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:2604
    - - C:\Windows\SYSTEM32\cmd.exe
        
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\twvokhjlxq.txt"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4928
      - C:\Windows\system32\schtasks.exe
        
        schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\twvokhjlxq.txt"
        6⤵
        Creates scheduled task(s)
        
        PID:3304
    - - 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\twvokhjlxq.txt"
        5⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:3648
      - 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:560
        
        C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
        7⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:4416
      - 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:1636
        
        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:1988
      - 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:4652
        
        C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
        7⤵
        
        PID:1040
      - 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:640
        
        C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
        7⤵
        
        PID:4252

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

3903daac9bc4a3b7.timestamp

Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
Size 46B
SHA256 9c841f942ea3802f0d7e87e51b226ce862b68cf8f4769043a0790a898502ccd3
MD5 8e4098c7f6435aa8ae082deaa44eb930
SHA1 4a5ac08256aabdc7c622ed7f0fec23d20eac0271
SHA512 be275308d5fe379c350d630e825930a2ba16147a8f8e9f19a44661e4caf991d0707fc0bf29ce32d87b05fa5c90ddc54981b983b17f8273e14090ca64b96c2773
MD5 SHA1 SHA512

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jna7058604911382436093.dll

Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna7058604911382436093.dll
Size 241KB
SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
MD5 e02979ecd43bcc9061eb2b494ab5af50
SHA1 3122ac0e751660f646c73b10c4f79685aa65c545
SHA512 1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
SSDEEP 6144:YW2uuBVCg2ZF0xk5udHB7EkAgEEz2Lh2LDh+MDWHNaL7yyubjmiy9NBW:YW2uAC9sVEZL0vdnz
MD5 SHA1 SHA512 SSDEEP

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83aa4cc77f591dfc2374580bbd95f6ba_5a32ead2-14a8-4b34-b6a3-85cfb28e2fbd

Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2804150937-2146708401-419095071-1000\83aa4cc77f591dfc2374580bbd95f6ba_5a32ead2-14a8-4b34-b6a3-85cfb28e2fbd
Size 45B
SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
MD5 c8366ae350e7019aefc9d1e6e6a498c6
SHA1 5731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA512 33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
MD5 SHA1 SHA512

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twvokhjlxq.txt

Path C:\Users\Admin\AppData\Roaming\twvokhjlxq.txt
Size 164KB
SHA256 486b68ef93d03c4e486b8ddd9e153391e7debc6839e0c09d38999dd159e30705
MD5 7ea89d19a8441cc58b7255dc9fb205fa
SHA1 2ae19607a8231bffd72353766f4017eb5492f3e8
SHA512 0a76f52939c305b2756fa486222210a4a8c40deff0fc753d11da899baaa84da2fed37ddbd333c6b1dc91ea07a2a1bffcaeb4db08dcbb3db97c925254e6bcbaf4
SSDEEP 3072:AwmVMH6YMmfEEQ9c6T4u9T7rktkOsEB0zOM4rgxgFUO0x2BRQ5Jj:AzUfvBu9TUtkOsk0RmF8x2/yF
MD5 SHA1 SHA512 SSDEEP

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iqitqqjcjb.js

Path C:\Users\Admin\iqitqqjcjb.js
Size 341KB
SHA256 3e51a3de55f9c484593ec1ab454d9011ce7b6b4c9cf9af9d59fb30de108000ce
MD5 b820a4061057692649d1163778c1b2ef
SHA1 29ce92e7326d54b2014b8abc31b1e14c8236d516
SHA512 78f17dde149b2574482999886e552578b7c1c1ae4faa6e483d6dc3490dec40023116417081b56932cf18b6d7207e46d36b1bc2898178deb3b8e008c668a82c1f
SSDEEP 6144:u7WTBnFyykyjvawe6gngQuY0bn/ZQIXbl0g6KLP+txXwW96vEJJPpKym+iQLwWb:QWTBIykukxW+ILn5P2w5v2p++iQLw0
MD5 SHA1 SHA512 SSDEEP

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jna-5.5.0.jar

Path C:\Users\Admin\lib\jna-5.5.0.jar
Size 1.4MB
SHA256 b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
MD5 acfb5b5fd9ee10bf69497792fd469f85
SHA1 0e0845217c4907822403912ad6828d8e0b256208
SHA512 e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
SSDEEP 24576:BggLnybolJdaW+864NkqCUer8N7sSFOaj5lWOEMIKk6idJRWPTgzq3bICEz2lFO:BTnybo9aW+L5qCUO0xsiMPZrJgPLLIO6
MD5 SHA1 SHA512 SSDEEP

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jna-platform-5.5.0.jar

Path C:\Users\Admin\lib\jna-platform-5.5.0.jar
Size 2.6MB
SHA256 24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
MD5 2f4a99c2758e72ee2b59a73586a2322f
SHA1 af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA512 b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
SSDEEP 24576:DyciOooDbK7Yw1J75n4BP/NtK2ov3mhDR6:3iOLDOZJ75nwtK2ovWh8
MD5 SHA1 SHA512 SSDEEP

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sqlite-jdbc-3.14.2.1.jar

Path C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar
Size 4.1MB
SHA256 2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
MD5 b33387e15ab150a7bf560abdc73c3bec
SHA1 66b8075784131f578ef893fd7674273f709b9a4c
SHA512 25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
SSDEEP 98304:czJoX0izQbrabWo2MxgErRYxFOY8IsFWyTIiTIzMpca:cJoXHQKW9MxRr8wZZsikzMaa
MD5 SHA1 SHA512 SSDEEP

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system-hook-3.5.jar

Path C:\Users\Admin\lib\system-hook-3.5.jar
Size 772KB
SHA256 2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
MD5 e1aa38a1e78a76a6de73efae136cdb3a
SHA1 c463da71871f780b2e2e5dba115d43953b537daf
SHA512 fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d
SSDEEP 24576:IhCFW8WXvOsWW9XGmvcVfkfTnzrLvadKPpv:IhCYWstW202t
MD5 SHA1 SHA512 SSDEEP

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memory/1692-21-0x0000022956280000-0x00000229564F0000-memory.dmp

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memory/1692-74-0x0000022956260000-0x0000022956261000-memory.dmp

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memory/1692-100-0x0000022956260000-0x0000022956261000-memory.dmp

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memory/1692-101-0x0000022956260000-0x0000022956261000-memory.dmp

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memory/1692-102-0x0000022956280000-0x00000229564F0000-memory.dmp

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memory/1692-86-0x0000022956260000-0x0000022956261000-memory.dmp

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memory/1692-78-0x0000022956260000-0x0000022956261000-memory.dmp

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memory/1692-95-0x0000022956260000-0x0000022956261000-memory.dmp

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memory/1692-46-0x0000022956260000-0x0000022956261000-memory.dmp

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memory/2604-137-0x00000190DED10000-0x00000190DED11000-memory.dmp

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memory/2996-2-0x000001F314F40000-0x000001F3151B0000-memory.dmp

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memory/2996-15-0x000001F314F40000-0x000001F3151B0000-memory.dmp

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memory/2996-14-0x000001F313770000-0x000001F313771000-memory.dmp

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memory/3648-168-0x000001F26F730000-0x000001F26F731000-memory.dmp

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memory/3648-181-0x000001F26F730000-0x000001F26F731000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads