Analysis
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max time kernel
146s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
17-07-2024 17:33
Behavioral task
behavioral1
Sample
47886afbf41e60e7b6174bb65bb1502c64d9d40c75fc6fe0bd4c7ab891f4ccf9.jar
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
47886afbf41e60e7b6174bb65bb1502c64d9d40c75fc6fe0bd4c7ab891f4ccf9.jar
Resource
win10v2004-20240709-en
General
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Target
47886afbf41e60e7b6174bb65bb1502c64d9d40c75fc6fe0bd4c7ab891f4ccf9.jar
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Size
276KB
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MD5
1f031046fbf385b7ceada7e643bdb9d9
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SHA1
ccd44696643f116003d68fbd98e7ec8b31ef2e49
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SHA256
47886afbf41e60e7b6174bb65bb1502c64d9d40c75fc6fe0bd4c7ab891f4ccf9
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SHA512
354245ca8f0879497c0456da0c959f7e0b79c656ffacd04f5363e72d6e560d24458087e4c5d8b24ab45a7b031a1f9f9f593c93039463dcf04e79f3cf3fd7bad9
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SSDEEP
6144:mge8OZJ39u4n6wBC03Riha1e9hLTt7+7WNZI9:JDOD9h6wU03/1e9tTtnNZI9
Malware Config
Extracted
strrat
iyiochalogs.myddns.com:8082
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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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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\47886afbf41e60e7b6174bb65bb1502c64d9d40c75fc6fe0bd4c7ab891f4ccf9.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 4468 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\47886afbf41e60e7b6174bb65bb1502c64d9d40c75fc6fe0bd4c7ab891f4ccf9 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\47886afbf41e60e7b6174bb65bb1502c64d9d40c75fc6fe0bd4c7ab891f4ccf9.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\47886afbf41e60e7b6174bb65bb1502c64d9d40c75fc6fe0bd4c7ab891f4ccf9 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\47886afbf41e60e7b6174bb65bb1502c64d9d40c75fc6fe0bd4c7ab891f4ccf9.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 33 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 1904 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4752 WMIC.exe Token: SeSecurityPrivilege 4752 WMIC.exe Token: SeTakeOwnershipPrivilege 4752 WMIC.exe Token: SeLoadDriverPrivilege 4752 WMIC.exe Token: SeSystemProfilePrivilege 4752 WMIC.exe Token: SeSystemtimePrivilege 4752 WMIC.exe Token: SeProfSingleProcessPrivilege 4752 WMIC.exe Token: SeIncBasePriorityPrivilege 4752 WMIC.exe Token: SeCreatePagefilePrivilege 4752 WMIC.exe Token: SeBackupPrivilege 4752 WMIC.exe Token: SeRestorePrivilege 4752 WMIC.exe Token: SeShutdownPrivilege 4752 WMIC.exe Token: SeDebugPrivilege 4752 WMIC.exe Token: SeSystemEnvironmentPrivilege 4752 WMIC.exe Token: SeRemoteShutdownPrivilege 4752 WMIC.exe Token: SeUndockPrivilege 4752 WMIC.exe Token: SeManageVolumePrivilege 4752 WMIC.exe Token: 33 4752 WMIC.exe Token: 34 4752 WMIC.exe Token: 35 4752 WMIC.exe Token: 36 4752 WMIC.exe Token: SeIncreaseQuotaPrivilege 4752 WMIC.exe Token: SeSecurityPrivilege 4752 WMIC.exe Token: SeTakeOwnershipPrivilege 4752 WMIC.exe Token: SeLoadDriverPrivilege 4752 WMIC.exe Token: SeSystemProfilePrivilege 4752 WMIC.exe Token: SeSystemtimePrivilege 4752 WMIC.exe Token: SeProfSingleProcessPrivilege 4752 WMIC.exe Token: SeIncBasePriorityPrivilege 4752 WMIC.exe Token: SeCreatePagefilePrivilege 4752 WMIC.exe Token: SeBackupPrivilege 4752 WMIC.exe Token: SeRestorePrivilege 4752 WMIC.exe Token: SeShutdownPrivilege 4752 WMIC.exe Token: SeDebugPrivilege 4752 WMIC.exe Token: SeSystemEnvironmentPrivilege 4752 WMIC.exe Token: SeRemoteShutdownPrivilege 4752 WMIC.exe Token: SeUndockPrivilege 4752 WMIC.exe Token: SeManageVolumePrivilege 4752 WMIC.exe Token: 33 4752 WMIC.exe Token: 34 4752 WMIC.exe Token: 35 4752 WMIC.exe Token: 36 4752 WMIC.exe Token: SeIncreaseQuotaPrivilege 860 WMIC.exe Token: SeSecurityPrivilege 860 WMIC.exe Token: SeTakeOwnershipPrivilege 860 WMIC.exe Token: SeLoadDriverPrivilege 860 WMIC.exe Token: SeSystemProfilePrivilege 860 WMIC.exe Token: SeSystemtimePrivilege 860 WMIC.exe Token: SeProfSingleProcessPrivilege 860 WMIC.exe Token: SeIncBasePriorityPrivilege 860 WMIC.exe Token: SeCreatePagefilePrivilege 860 WMIC.exe Token: SeBackupPrivilege 860 WMIC.exe Token: SeRestorePrivilege 860 WMIC.exe Token: SeShutdownPrivilege 860 WMIC.exe Token: SeDebugPrivilege 860 WMIC.exe Token: SeSystemEnvironmentPrivilege 860 WMIC.exe Token: SeRemoteShutdownPrivilege 860 WMIC.exe Token: SeUndockPrivilege 860 WMIC.exe Token: SeManageVolumePrivilege 860 WMIC.exe Token: 33 860 WMIC.exe Token: 34 860 WMIC.exe Token: 35 860 WMIC.exe Token: 36 860 WMIC.exe Token: SeIncreaseQuotaPrivilege 860 WMIC.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 408 wrote to memory of 1944 408 java.exe 92 PID 408 wrote to memory of 1944 408 java.exe 92 PID 1944 wrote to memory of 4896 1944 java.exe 95 PID 1944 wrote to memory of 4896 1944 java.exe 95 PID 1944 wrote to memory of 4468 1944 java.exe 97 PID 1944 wrote to memory of 4468 1944 java.exe 97 PID 4896 wrote to memory of 1904 4896 cmd.exe 99 PID 4896 wrote to memory of 1904 4896 cmd.exe 99 PID 4468 wrote to memory of 4592 4468 java.exe 100 PID 4468 wrote to memory of 4592 4468 java.exe 100 PID 4592 wrote to memory of 4752 4592 cmd.exe 102 PID 4592 wrote to memory of 4752 4592 cmd.exe 102 PID 4468 wrote to memory of 636 4468 java.exe 103 PID 4468 wrote to memory of 636 4468 java.exe 103 PID 636 wrote to memory of 860 636 cmd.exe 105 PID 636 wrote to memory of 860 636 cmd.exe 105 PID 4468 wrote to memory of 4876 4468 java.exe 106 PID 4468 wrote to memory of 4876 4468 java.exe 106 PID 4876 wrote to memory of 4040 4876 cmd.exe 108 PID 4876 wrote to memory of 4040 4876 cmd.exe 108 PID 4468 wrote to memory of 1540 4468 java.exe 109 PID 4468 wrote to memory of 1540 4468 java.exe 109 PID 1540 wrote to memory of 4864 1540 cmd.exe 111 PID 1540 wrote to memory of 4864 1540 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.
Processes
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C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\47886afbf41e60e7b6174bb65bb1502c64d9d40c75fc6fe0bd4c7ab891f4ccf9.jar1⤵
- Suspicious use of WriteProcessMemory
PID:408 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\47886afbf41e60e7b6174bb65bb1502c64d9d40c75fc6fe0bd4c7ab891f4ccf9.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\47886afbf41e60e7b6174bb65bb1502c64d9d40c75fc6fe0bd4c7ab891f4ccf9.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:4896 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\47886afbf41e60e7b6174bb65bb1502c64d9d40c75fc6fe0bd4c7ab891f4ccf9.jar"4⤵
- Scheduled Task/Job: Scheduled Task
PID:1904
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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\47886afbf41e60e7b6174bb65bb1502c64d9d40c75fc6fe0bd4c7ab891f4ccf9.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4468 -
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:4592 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4752
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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:636 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:860
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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:4876 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:4040
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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:1540 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:4864
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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
46B
MD5db9e8ac32168fd3b851904f53c966a71
SHA1d4035dc4b4ab0575e704a1549af2c1b0466b2762
SHA256b496e8d29a32f38465ebf64a57f5d61808232484422468a8c5a3cbc80f6ad3a5
SHA5128ca713e5bbf874306940829360c2538e72c4e2a7523b4b41d79609f5c4f3ecd616849e1027a89c37940a2dc19ab5748486a31ddb4f10fefa302ade91eacfdfdc
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Filesize
276KB
MD51f031046fbf385b7ceada7e643bdb9d9
SHA1ccd44696643f116003d68fbd98e7ec8b31ef2e49
SHA25647886afbf41e60e7b6174bb65bb1502c64d9d40c75fc6fe0bd4c7ab891f4ccf9
SHA512354245ca8f0879497c0456da0c959f7e0b79c656ffacd04f5363e72d6e560d24458087e4c5d8b24ab45a7b031a1f9f9f593c93039463dcf04e79f3cf3fd7bad9
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2650514177-1034912467-4025611726-1000\83aa4cc77f591dfc2374580bbd95f6ba_2c3b8a3b-b430-4ca5-8a93-e930cfa5f11f
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