Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 14:43
Behavioral task
behavioral1
Sample
e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar
Resource
win10v2004-20240508-en
General
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Target
e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar
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Size
171KB
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MD5
09ec32ed78593f4771eb485d97ef14eb
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SHA1
fccc0ccfd0872a9e38411a6cfb1d614ad442592e
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SHA256
e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f
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SHA512
e14cf2f8ed7f569a4fed85ed7e2058ff681a42ba9c0321b459e93218ea2fda90e22e8ff743f9ce18a33b4ef70eb4b8b6a556ec74330ee418376dd3066c11d695
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SSDEEP
3072:yqfHZmyFAZhheBlFzzGY6zZSHj9WTs4B9S93KJ3F08M1syWu:yiyeNSY6zZk5FY6KJ9u
Malware Config
Extracted
strrat
axe.ydns.eu:3232
jnchinacp.ydns.eu:147
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license_id
JXYU-7CPT-BJRM-66GN-22SV
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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\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 1392 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 904 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar\"" java.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.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 27 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.
pid Process 4172 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2324 WMIC.exe Token: SeSecurityPrivilege 2324 WMIC.exe Token: SeTakeOwnershipPrivilege 2324 WMIC.exe Token: SeLoadDriverPrivilege 2324 WMIC.exe Token: SeSystemProfilePrivilege 2324 WMIC.exe Token: SeSystemtimePrivilege 2324 WMIC.exe Token: SeProfSingleProcessPrivilege 2324 WMIC.exe Token: SeIncBasePriorityPrivilege 2324 WMIC.exe Token: SeCreatePagefilePrivilege 2324 WMIC.exe Token: SeBackupPrivilege 2324 WMIC.exe Token: SeRestorePrivilege 2324 WMIC.exe Token: SeShutdownPrivilege 2324 WMIC.exe Token: SeDebugPrivilege 2324 WMIC.exe Token: SeSystemEnvironmentPrivilege 2324 WMIC.exe Token: SeRemoteShutdownPrivilege 2324 WMIC.exe Token: SeUndockPrivilege 2324 WMIC.exe Token: SeManageVolumePrivilege 2324 WMIC.exe Token: 33 2324 WMIC.exe Token: 34 2324 WMIC.exe Token: 35 2324 WMIC.exe Token: 36 2324 WMIC.exe Token: SeIncreaseQuotaPrivilege 2324 WMIC.exe Token: SeSecurityPrivilege 2324 WMIC.exe Token: SeTakeOwnershipPrivilege 2324 WMIC.exe Token: SeLoadDriverPrivilege 2324 WMIC.exe Token: SeSystemProfilePrivilege 2324 WMIC.exe Token: SeSystemtimePrivilege 2324 WMIC.exe Token: SeProfSingleProcessPrivilege 2324 WMIC.exe Token: SeIncBasePriorityPrivilege 2324 WMIC.exe Token: SeCreatePagefilePrivilege 2324 WMIC.exe Token: SeBackupPrivilege 2324 WMIC.exe Token: SeRestorePrivilege 2324 WMIC.exe Token: SeShutdownPrivilege 2324 WMIC.exe Token: SeDebugPrivilege 2324 WMIC.exe Token: SeSystemEnvironmentPrivilege 2324 WMIC.exe Token: SeRemoteShutdownPrivilege 2324 WMIC.exe Token: SeUndockPrivilege 2324 WMIC.exe Token: SeManageVolumePrivilege 2324 WMIC.exe Token: 33 2324 WMIC.exe Token: 34 2324 WMIC.exe Token: 35 2324 WMIC.exe Token: 36 2324 WMIC.exe Token: SeIncreaseQuotaPrivilege 3772 WMIC.exe Token: SeSecurityPrivilege 3772 WMIC.exe Token: SeTakeOwnershipPrivilege 3772 WMIC.exe Token: SeLoadDriverPrivilege 3772 WMIC.exe Token: SeSystemProfilePrivilege 3772 WMIC.exe Token: SeSystemtimePrivilege 3772 WMIC.exe Token: SeProfSingleProcessPrivilege 3772 WMIC.exe Token: SeIncBasePriorityPrivilege 3772 WMIC.exe Token: SeCreatePagefilePrivilege 3772 WMIC.exe Token: SeBackupPrivilege 3772 WMIC.exe Token: SeRestorePrivilege 3772 WMIC.exe Token: SeShutdownPrivilege 3772 WMIC.exe Token: SeDebugPrivilege 3772 WMIC.exe Token: SeSystemEnvironmentPrivilege 3772 WMIC.exe Token: SeRemoteShutdownPrivilege 3772 WMIC.exe Token: SeUndockPrivilege 3772 WMIC.exe Token: SeManageVolumePrivilege 3772 WMIC.exe Token: 33 3772 WMIC.exe Token: 34 3772 WMIC.exe Token: 35 3772 WMIC.exe Token: 36 3772 WMIC.exe Token: SeIncreaseQuotaPrivilege 3772 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 3668 wrote to memory of 904 3668 java.exe 85 PID 3668 wrote to memory of 904 3668 java.exe 85 PID 3668 wrote to memory of 3188 3668 java.exe 94 PID 3668 wrote to memory of 3188 3668 java.exe 94 PID 3188 wrote to memory of 4476 3188 java.exe 97 PID 3188 wrote to memory of 4476 3188 java.exe 97 PID 3188 wrote to memory of 1392 3188 java.exe 98 PID 3188 wrote to memory of 1392 3188 java.exe 98 PID 4476 wrote to memory of 4172 4476 cmd.exe 101 PID 4476 wrote to memory of 4172 4476 cmd.exe 101 PID 1392 wrote to memory of 3896 1392 java.exe 102 PID 1392 wrote to memory of 3896 1392 java.exe 102 PID 3896 wrote to memory of 2324 3896 cmd.exe 104 PID 3896 wrote to memory of 2324 3896 cmd.exe 104 PID 1392 wrote to memory of 5048 1392 java.exe 105 PID 1392 wrote to memory of 5048 1392 java.exe 105 PID 5048 wrote to memory of 3772 5048 cmd.exe 107 PID 5048 wrote to memory of 3772 5048 cmd.exe 107 PID 1392 wrote to memory of 2936 1392 java.exe 108 PID 1392 wrote to memory of 2936 1392 java.exe 108 PID 2936 wrote to memory of 4516 2936 cmd.exe 110 PID 2936 wrote to memory of 4516 2936 cmd.exe 110 PID 1392 wrote to memory of 1780 1392 java.exe 111 PID 1392 wrote to memory of 1780 1392 java.exe 111 PID 1780 wrote to memory of 2500 1780 cmd.exe 113 PID 1780 wrote to memory of 2500 1780 cmd.exe 113 -
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\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar1⤵
- Suspicious use of WriteProcessMemory
PID:3668 -
C:\Windows\system32\icacls.exeC:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M2⤵
- Modifies file permissions
PID:904
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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\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3188 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:4476 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar"4⤵
- Creates scheduled task(s)
PID:4172
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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\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1392 -
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:3896 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2324
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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:5048 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3772
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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:2936 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:4516
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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:1780 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:2500
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46B
MD5779d98c022d4b77395a37fb9f80a2a51
SHA17d5393ac21c0d77fd414ed524db434ecd07cc72b
SHA256baeedd56739466948bdaba42c754de0a72aa961c5affee40ecd041208ff27aab
SHA512d168a54505aeec38ecc2221b6e396807cccc585b7df6693b2bd2e56bcdc9c627d1ecd513794ac1d69dc907617a55665e6225ffe484aa584e0d428ee0d7d309bb
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Filesize
46B
MD526ff1475e71715af38f33315594cc7fd
SHA101d3514305a3b6ffdb6e9bccb6529c66894f46d7
SHA25632e716a390ca8d797de28eb8bc09f894556b17e5851a1636d1d7c0bae753d99c
SHA51229bf04f22deb0223949ce58fe5f4d7f3b282ced6b4a31ab4830d20eda96dd54348e6ea0768d210309c8129fb29d5aab7ceb44b1acb94d53222189fd7a094e819
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2539840389-1261165778-1087677076-1000\83aa4cc77f591dfc2374580bbd95f6ba_468f6343-c0e6-4931-9703-30c6539573cb
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
171KB
MD509ec32ed78593f4771eb485d97ef14eb
SHA1fccc0ccfd0872a9e38411a6cfb1d614ad442592e
SHA256e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f
SHA512e14cf2f8ed7f569a4fed85ed7e2058ff681a42ba9c0321b459e93218ea2fda90e22e8ff743f9ce18a33b4ef70eb4b8b6a556ec74330ee418376dd3066c11d695
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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