strrat | c5140f0cdc0b7740641f8911deee89e85b3e1555bbb5f7677c56810fc0882a9c

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
01-05-2024 01:56

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General

Target

c5140f0cdc0b7740641f8911deee89e85b3e1555bbb5f7677c56810fc0882a9c.jar
Size

559KB
MD5

074a8e870dacdbf5fee194d7626c692f
SHA1

04235d16c0ad58a1261a07b563e6e6d866e27876
SHA256

c5140f0cdc0b7740641f8911deee89e85b3e1555bbb5f7677c56810fc0882a9c
SHA512

50a00b63aa92df346052ed028887e97a80e90fb177425e4df60e0215152c0444f02d789d157ad873f365191c51462ee4c032bc1f2eb4154307788e2129d737e8
SSDEEP

12288:YFLy6uXe8jlmG7UpKEMFnCIfQVxpfsjZGetBT:YCl58RCfQVYjZGetBT

Score

10^/10

strrat discovery persistence stealer trojan

Malware Config

Signatures

STRRAT
STRRAT is a remote access tool than can steal credentials and log keystrokes.
trojan stealer strrat

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c5140f0cdc0b7740641f8911deee89e85b3e1555bbb5f7677c56810fc0882a9c.jar	java.exe

Loads dropped DLL 1 IoCs

pid	Process
1836	java.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
5044	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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c5140f0cdc0b7740641f8911deee89e85b3e1555bbb5f7677c56810fc0882a9c = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\c5140f0cdc0b7740641f8911deee89e85b3e1555bbb5f7677c56810fc0882a9c.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c5140f0cdc0b7740641f8911deee89e85b3e1555bbb5f7677c56810fc0882a9c = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\c5140f0cdc0b7740641f8911deee89e85b3e1555bbb5f7677c56810fc0882a9c.jar\""	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
67	ip-api.com

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
5052	schtasks.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1068	WMIC.exe
Token: SeSecurityPrivilege	1068	WMIC.exe
Token: SeTakeOwnershipPrivilege	1068	WMIC.exe
Token: SeLoadDriverPrivilege	1068	WMIC.exe
Token: SeSystemProfilePrivilege	1068	WMIC.exe
Token: SeSystemtimePrivilege	1068	WMIC.exe
Token: SeProfSingleProcessPrivilege	1068	WMIC.exe
Token: SeIncBasePriorityPrivilege	1068	WMIC.exe
Token: SeCreatePagefilePrivilege	1068	WMIC.exe
Token: SeBackupPrivilege	1068	WMIC.exe
Token: SeRestorePrivilege	1068	WMIC.exe
Token: SeShutdownPrivilege	1068	WMIC.exe
Token: SeDebugPrivilege	1068	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1068	WMIC.exe
Token: SeRemoteShutdownPrivilege	1068	WMIC.exe
Token: SeUndockPrivilege	1068	WMIC.exe
Token: SeManageVolumePrivilege	1068	WMIC.exe
Token: 33	1068	WMIC.exe
Token: 34	1068	WMIC.exe
Token: 35	1068	WMIC.exe
Token: 36	1068	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1068	WMIC.exe
Token: SeSecurityPrivilege	1068	WMIC.exe
Token: SeTakeOwnershipPrivilege	1068	WMIC.exe
Token: SeLoadDriverPrivilege	1068	WMIC.exe
Token: SeSystemProfilePrivilege	1068	WMIC.exe
Token: SeSystemtimePrivilege	1068	WMIC.exe
Token: SeProfSingleProcessPrivilege	1068	WMIC.exe
Token: SeIncBasePriorityPrivilege	1068	WMIC.exe
Token: SeCreatePagefilePrivilege	1068	WMIC.exe
Token: SeBackupPrivilege	1068	WMIC.exe
Token: SeRestorePrivilege	1068	WMIC.exe
Token: SeShutdownPrivilege	1068	WMIC.exe
Token: SeDebugPrivilege	1068	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1068	WMIC.exe
Token: SeRemoteShutdownPrivilege	1068	WMIC.exe
Token: SeUndockPrivilege	1068	WMIC.exe
Token: SeManageVolumePrivilege	1068	WMIC.exe
Token: 33	1068	WMIC.exe
Token: 34	1068	WMIC.exe
Token: 35	1068	WMIC.exe
Token: 36	1068	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2224	WMIC.exe
Token: SeSecurityPrivilege	2224	WMIC.exe
Token: SeTakeOwnershipPrivilege	2224	WMIC.exe
Token: SeLoadDriverPrivilege	2224	WMIC.exe
Token: SeSystemProfilePrivilege	2224	WMIC.exe
Token: SeSystemtimePrivilege	2224	WMIC.exe
Token: SeProfSingleProcessPrivilege	2224	WMIC.exe
Token: SeIncBasePriorityPrivilege	2224	WMIC.exe
Token: SeCreatePagefilePrivilege	2224	WMIC.exe
Token: SeBackupPrivilege	2224	WMIC.exe
Token: SeRestorePrivilege	2224	WMIC.exe
Token: SeShutdownPrivilege	2224	WMIC.exe
Token: SeDebugPrivilege	2224	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2224	WMIC.exe
Token: SeRemoteShutdownPrivilege	2224	WMIC.exe
Token: SeUndockPrivilege	2224	WMIC.exe
Token: SeManageVolumePrivilege	2224	WMIC.exe
Token: 33	2224	WMIC.exe
Token: 34	2224	WMIC.exe
Token: 35	2224	WMIC.exe
Token: 36	2224	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2224	WMIC.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 5044	3012	java.exe	91
PID 3012 wrote to memory of 5044	3012	java.exe	91
PID 3012 wrote to memory of 3832	3012	java.exe	98
PID 3012 wrote to memory of 3832	3012	java.exe	98
PID 3832 wrote to memory of 1188	3832	java.exe	103
PID 3832 wrote to memory of 1188	3832	java.exe	103
PID 3832 wrote to memory of 1836	3832	java.exe	104
PID 3832 wrote to memory of 1836	3832	java.exe	104
PID 1188 wrote to memory of 5052	1188	cmd.exe	107
PID 1188 wrote to memory of 5052	1188	cmd.exe	107
PID 1836 wrote to memory of 764	1836	java.exe	108
PID 1836 wrote to memory of 764	1836	java.exe	108
PID 764 wrote to memory of 1068	764	cmd.exe	110
PID 764 wrote to memory of 1068	764	cmd.exe	110
PID 1836 wrote to memory of 2104	1836	java.exe	111
PID 1836 wrote to memory of 2104	1836	java.exe	111
PID 2104 wrote to memory of 2224	2104	cmd.exe	113
PID 2104 wrote to memory of 2224	2104	cmd.exe	113
PID 1836 wrote to memory of 4216	1836	java.exe	114
PID 1836 wrote to memory of 4216	1836	java.exe	114
PID 4216 wrote to memory of 1568	4216	cmd.exe	116
PID 4216 wrote to memory of 1568	4216	cmd.exe	116
PID 1836 wrote to memory of 224	1836	java.exe	117
PID 1836 wrote to memory of 224	1836	java.exe	117
PID 224 wrote to memory of 1716	224	cmd.exe	119
PID 224 wrote to memory of 1716	224	cmd.exe	119

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\c5140f0cdc0b7740641f8911deee89e85b3e1555bbb5f7677c56810fc0882a9c.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:3012
- 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:5044
- C:\Program Files\Java\jre-1.8\bin\java.exe
  "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\c5140f0cdc0b7740641f8911deee89e85b3e1555bbb5f7677c56810fc0882a9c.jar"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3832
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\c5140f0cdc0b7740641f8911deee89e85b3e1555bbb5f7677c56810fc0882a9c.jar"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1188
  - - C:\Windows\system32\schtasks.exe
      schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\c5140f0cdc0b7740641f8911deee89e85b3e1555bbb5f7677c56810fc0882a9c.jar"
      4⤵
      Creates scheduled task(s)
      PID:5052
- - 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\c5140f0cdc0b7740641f8911deee89e85b3e1555bbb5f7677c56810fc0882a9c.jar"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1836
  - - C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:764
    - - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:1068
  - - C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2104
    - - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:2224
  - - C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4216
    - - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
        5⤵
        
        PID:1568
  - - C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:224
    - - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
        5⤵
        
        PID:1716

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5388 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
1⤵
PID:3868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

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
fb497e28f2473422e53106609313f2ae

SHA1
af0d96f8ba916c42886fc32ff1073adaebc7b10c

SHA256
f07b1d5c1f1fb579b7013ed44464b15ef3137127bf5249917312caa3fbee6a9b

SHA512
a8b8f9f6c694bfcd8888fc610b063c6a1898c1a7529af4c1860a84db3c66c5de935d24cc6725658a4c6ededa1eb9ce648b1462e9cc117b1f53d10cabd9137c95

Download Submit
C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna3590092475299602212.dll

Filesize
241KB

MD5
e02979ecd43bcc9061eb2b494ab5af50

SHA1
3122ac0e751660f646c73b10c4f79685aa65c545

SHA256
a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

SHA512
1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3808065738-1666277613-1125846146-1000\83aa4cc77f591dfc2374580bbd95f6ba_2397ee06-28fe-4eaa-8777-f7014368c353

Filesize
45B

MD5
c8366ae350e7019aefc9d1e6e6a498c6

SHA1
5731d8a3e6568a5f2dfbbc87e3db9637df280b61

SHA256
11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

SHA512
33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

Download Submit
C:\Users\Admin\c5140f0cdc0b7740641f8911deee89e85b3e1555bbb5f7677c56810fc0882a9c.jar

Filesize
559KB

MD5
074a8e870dacdbf5fee194d7626c692f

SHA1
04235d16c0ad58a1261a07b563e6e6d866e27876

SHA256
c5140f0cdc0b7740641f8911deee89e85b3e1555bbb5f7677c56810fc0882a9c

SHA512
50a00b63aa92df346052ed028887e97a80e90fb177425e4df60e0215152c0444f02d789d157ad873f365191c51462ee4c032bc1f2eb4154307788e2129d737e8

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/3012-75-0x00000188E8070000-0x00000188E8071000-memory.dmp

Filesize
4KB

Download
memory/3012-300-0x00000188E8090000-0x00000188E9090000-memory.dmp

Filesize
16.0MB

Download
memory/3012-187-0x00000188E8090000-0x00000188E9090000-memory.dmp

Filesize
16.0MB

Download
memory/3012-2-0x00000188E8090000-0x00000188E9090000-memory.dmp

Filesize
16.0MB

Download
memory/3012-241-0x00000188E8520000-0x00000188E8530000-memory.dmp

Filesize
64KB

Download
memory/3012-56-0x00000188E8070000-0x00000188E8071000-memory.dmp

Filesize
4KB

Download
memory/3012-11-0x00000188E8070000-0x00000188E8071000-memory.dmp

Filesize
4KB

Download
memory/3012-54-0x00000188E8090000-0x00000188E9090000-memory.dmp

Filesize
16.0MB

Download
memory/3012-53-0x00000188E8070000-0x00000188E8071000-memory.dmp

Filesize
4KB

Download
memory/3012-37-0x00000188E8090000-0x00000188E9090000-memory.dmp

Filesize
16.0MB

Download
memory/3012-33-0x00000188E8070000-0x00000188E8071000-memory.dmp

Filesize
4KB

Download
memory/3012-23-0x00000188E8090000-0x00000188E9090000-memory.dmp

Filesize
16.0MB

Download
memory/3012-28-0x00000188E8090000-0x00000188E9090000-memory.dmp

Filesize
16.0MB

Download
memory/3012-89-0x00000188E8070000-0x00000188E8071000-memory.dmp

Filesize
4KB

Download
memory/3832-296-0x000001F6D7C50000-0x000001F6D7C60000-memory.dmp

Filesize
64KB

Download
memory/3832-288-0x000001F6D7BD0000-0x000001F6D7BE0000-memory.dmp

Filesize
64KB

Download
memory/3832-293-0x000001F6D7C20000-0x000001F6D7C30000-memory.dmp

Filesize
64KB

Download
memory/3832-292-0x000001F6D7C10000-0x000001F6D7C20000-memory.dmp

Filesize
64KB

Download
memory/3832-291-0x000001F6D7C00000-0x000001F6D7C10000-memory.dmp

Filesize
64KB

Download
memory/3832-290-0x000001F6D7BF0000-0x000001F6D7C00000-memory.dmp

Filesize
64KB

Download
memory/3832-289-0x000001F6D7BE0000-0x000001F6D7BF0000-memory.dmp

Filesize
64KB

Download
memory/3832-294-0x000001F6D7C30000-0x000001F6D7C40000-memory.dmp

Filesize
64KB

Download
memory/3832-295-0x000001F6D7C40000-0x000001F6D7C50000-memory.dmp

Filesize
64KB

Download
memory/3832-286-0x000001F6D7C60000-0x000001F6D7C70000-memory.dmp

Filesize
64KB

Download
memory/3832-285-0x000001F6D7BC0000-0x000001F6D7BD0000-memory.dmp

Filesize
64KB

Download
memory/3832-287-0x000001F6D7C70000-0x000001F6D7C80000-memory.dmp

Filesize
64KB

Download
memory/3832-275-0x000001F6D7940000-0x000001F6D8940000-memory.dmp

Filesize
16.0MB

Download
memory/3832-251-0x000001F6D7940000-0x000001F6D8940000-memory.dmp

Filesize
16.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads