Analysis
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max time kernel
150s -
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
22-12-2024 02:16
Behavioral task
behavioral1
Sample
6e46ab852d0afb49aa1f51a82b4a0fe1d7b34b7384d0722816b677068674ebe9.jar
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
6e46ab852d0afb49aa1f51a82b4a0fe1d7b34b7384d0722816b677068674ebe9.jar
Resource
win10v2004-20241007-en
General
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Target
6e46ab852d0afb49aa1f51a82b4a0fe1d7b34b7384d0722816b677068674ebe9.jar
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Size
265KB
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MD5
1e43ef561dd2d60f5bb99e2f9d3ac2de
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SHA1
8d7b9a1274e04cea68a8b8ba1e232c76218283da
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SHA256
6e46ab852d0afb49aa1f51a82b4a0fe1d7b34b7384d0722816b677068674ebe9
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SHA512
67c7c0242a37a50dde1c30a8515e62dbb22f6826397c40bf1f918123cb9c27bb216c3c504b99fe203970341de5bcdea44993775e8ce841eb88804591e9087d39
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SSDEEP
6144:qgSTWHKxEy97vE7kJ/1YAJfCPtACGiCIyRdgNi:hW79LwAuAJfCOrr8i
Malware Config
Extracted
strrat
chongmei33.publicvm.com:44662
chongmei33.myddns.rocks:44662
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license_id
khonsari
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plugins_url
http://jbfrost.live/strigoi/server/?hwid=1&lid=m&ht=5
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scheduled_task
true
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secondary_startup
true
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startup
true
Signatures
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Strrat family
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6e46ab852d0afb49aa1f51a82b4a0fe1d7b34b7384d0722816b677068674ebe9.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 1992 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6e46ab852d0afb49aa1f51a82b4a0fe1d7b34b7384d0722816b677068674ebe9 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\6e46ab852d0afb49aa1f51a82b4a0fe1d7b34b7384d0722816b677068674ebe9.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6e46ab852d0afb49aa1f51a82b4a0fe1d7b34b7384d0722816b677068674ebe9 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\6e46ab852d0afb49aa1f51a82b4a0fe1d7b34b7384d0722816b677068674ebe9.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 23 ip-api.com -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5040 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4368 WMIC.exe Token: SeSecurityPrivilege 4368 WMIC.exe Token: SeTakeOwnershipPrivilege 4368 WMIC.exe Token: SeLoadDriverPrivilege 4368 WMIC.exe Token: SeSystemProfilePrivilege 4368 WMIC.exe Token: SeSystemtimePrivilege 4368 WMIC.exe Token: SeProfSingleProcessPrivilege 4368 WMIC.exe Token: SeIncBasePriorityPrivilege 4368 WMIC.exe Token: SeCreatePagefilePrivilege 4368 WMIC.exe Token: SeBackupPrivilege 4368 WMIC.exe Token: SeRestorePrivilege 4368 WMIC.exe Token: SeShutdownPrivilege 4368 WMIC.exe Token: SeDebugPrivilege 4368 WMIC.exe Token: SeSystemEnvironmentPrivilege 4368 WMIC.exe Token: SeRemoteShutdownPrivilege 4368 WMIC.exe Token: SeUndockPrivilege 4368 WMIC.exe Token: SeManageVolumePrivilege 4368 WMIC.exe Token: 33 4368 WMIC.exe Token: 34 4368 WMIC.exe Token: 35 4368 WMIC.exe Token: 36 4368 WMIC.exe Token: SeIncreaseQuotaPrivilege 4368 WMIC.exe Token: SeSecurityPrivilege 4368 WMIC.exe Token: SeTakeOwnershipPrivilege 4368 WMIC.exe Token: SeLoadDriverPrivilege 4368 WMIC.exe Token: SeSystemProfilePrivilege 4368 WMIC.exe Token: SeSystemtimePrivilege 4368 WMIC.exe Token: SeProfSingleProcessPrivilege 4368 WMIC.exe Token: SeIncBasePriorityPrivilege 4368 WMIC.exe Token: SeCreatePagefilePrivilege 4368 WMIC.exe Token: SeBackupPrivilege 4368 WMIC.exe Token: SeRestorePrivilege 4368 WMIC.exe Token: SeShutdownPrivilege 4368 WMIC.exe Token: SeDebugPrivilege 4368 WMIC.exe Token: SeSystemEnvironmentPrivilege 4368 WMIC.exe Token: SeRemoteShutdownPrivilege 4368 WMIC.exe Token: SeUndockPrivilege 4368 WMIC.exe Token: SeManageVolumePrivilege 4368 WMIC.exe Token: 33 4368 WMIC.exe Token: 34 4368 WMIC.exe Token: 35 4368 WMIC.exe Token: 36 4368 WMIC.exe Token: SeIncreaseQuotaPrivilege 3420 WMIC.exe Token: SeSecurityPrivilege 3420 WMIC.exe Token: SeTakeOwnershipPrivilege 3420 WMIC.exe Token: SeLoadDriverPrivilege 3420 WMIC.exe Token: SeSystemProfilePrivilege 3420 WMIC.exe Token: SeSystemtimePrivilege 3420 WMIC.exe Token: SeProfSingleProcessPrivilege 3420 WMIC.exe Token: SeIncBasePriorityPrivilege 3420 WMIC.exe Token: SeCreatePagefilePrivilege 3420 WMIC.exe Token: SeBackupPrivilege 3420 WMIC.exe Token: SeRestorePrivilege 3420 WMIC.exe Token: SeShutdownPrivilege 3420 WMIC.exe Token: SeDebugPrivilege 3420 WMIC.exe Token: SeSystemEnvironmentPrivilege 3420 WMIC.exe Token: SeRemoteShutdownPrivilege 3420 WMIC.exe Token: SeUndockPrivilege 3420 WMIC.exe Token: SeManageVolumePrivilege 3420 WMIC.exe Token: 33 3420 WMIC.exe Token: 34 3420 WMIC.exe Token: 35 3420 WMIC.exe Token: 36 3420 WMIC.exe Token: SeIncreaseQuotaPrivilege 3420 WMIC.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1692 wrote to memory of 2000 1692 java.exe 84 PID 1692 wrote to memory of 2000 1692 java.exe 84 PID 2000 wrote to memory of 3936 2000 java.exe 86 PID 2000 wrote to memory of 3936 2000 java.exe 86 PID 2000 wrote to memory of 1992 2000 java.exe 87 PID 2000 wrote to memory of 1992 2000 java.exe 87 PID 3936 wrote to memory of 5040 3936 cmd.exe 90 PID 3936 wrote to memory of 5040 3936 cmd.exe 90 PID 1992 wrote to memory of 1260 1992 java.exe 92 PID 1992 wrote to memory of 1260 1992 java.exe 92 PID 1260 wrote to memory of 4368 1260 cmd.exe 94 PID 1260 wrote to memory of 4368 1260 cmd.exe 94 PID 1992 wrote to memory of 4128 1992 java.exe 97 PID 1992 wrote to memory of 4128 1992 java.exe 97 PID 4128 wrote to memory of 3420 4128 cmd.exe 99 PID 4128 wrote to memory of 3420 4128 cmd.exe 99 PID 1992 wrote to memory of 4104 1992 java.exe 100 PID 1992 wrote to memory of 4104 1992 java.exe 100 PID 4104 wrote to memory of 2784 4104 cmd.exe 102 PID 4104 wrote to memory of 2784 4104 cmd.exe 102 PID 1992 wrote to memory of 1352 1992 java.exe 103 PID 1992 wrote to memory of 1352 1992 java.exe 103 PID 1352 wrote to memory of 4576 1352 cmd.exe 105 PID 1352 wrote to memory of 4576 1352 cmd.exe 105 -
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.
Processes
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C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\6e46ab852d0afb49aa1f51a82b4a0fe1d7b34b7384d0722816b677068674ebe9.jar1⤵
- 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\6e46ab852d0afb49aa1f51a82b4a0fe1d7b34b7384d0722816b677068674ebe9.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\6e46ab852d0afb49aa1f51a82b4a0fe1d7b34b7384d0722816b677068674ebe9.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:3936 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\6e46ab852d0afb49aa1f51a82b4a0fe1d7b34b7384d0722816b677068674ebe9.jar"4⤵
- Scheduled Task/Job: Scheduled Task
PID:5040
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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\6e46ab852d0afb49aa1f51a82b4a0fe1d7b34b7384d0722816b677068674ebe9.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"4⤵
- Suspicious use of WriteProcessMemory
PID:1260 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4368
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"4⤵
- Suspicious use of WriteProcessMemory
PID:4128 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3420
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"4⤵
- Suspicious use of WriteProcessMemory
PID:4104 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:2784
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"4⤵
- Suspicious use of WriteProcessMemory
PID:1352 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:4576
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
265KB
MD51e43ef561dd2d60f5bb99e2f9d3ac2de
SHA18d7b9a1274e04cea68a8b8ba1e232c76218283da
SHA2566e46ab852d0afb49aa1f51a82b4a0fe1d7b34b7384d0722816b677068674ebe9
SHA51267c7c0242a37a50dde1c30a8515e62dbb22f6826397c40bf1f918123cb9c27bb216c3c504b99fe203970341de5bcdea44993775e8ce841eb88804591e9087d39
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2878641211-696417878-3864914810-1000\83aa4cc77f591dfc2374580bbd95f6ba_4fc725d8-4f7d-4884-b878-08bb0ce6c800
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
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Filesize
2.6MB
MD52f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
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Filesize
4.1MB
MD5b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
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Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d