Analysis
- max time kernel
150s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
16/05/2024, 14:29
Behavioral task
behavioral1
Sample
e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar
Resource
win7-20240508-en
0 signatures
150 seconds
Behavioral task
behavioral2
Sample
e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar
Resource
win10v2004-20240226-en
10 signatures
150 seconds
General
- Target e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar
- Size 171KB
- Sample240516-rtkc2aha5v
- SHA256 e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f
- MD5 09ec32ed78593f4771eb485d97ef14eb
- SHA1 fccc0ccfd0872a9e38411a6cfb1d614ad442592e
- SHA512 e14cf2f8ed7f569a4fed85ed7e2058ff681a42ba9c0321b459e93218ea2fda90e22e8ff743f9ce18a33b4ef70eb4b8b6a556ec74330ee418376dd3066c11d695
- SSDEEP 3072:yqfHZmyFAZhheBlFzzGY6zZSHj9WTs4B9S93KJ3F08M1syWu:yiyeNSY6zZk5FY6KJ9u
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
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strrat
C2
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axe.ydns.eu:3232
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jnchinacp.ydns.eu:147
Attributes
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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
- 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 4364 java.exe - Modifies file permissions 1 TTPs 1 IoCs
pid Process 4184 icacls.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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 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 - 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 58 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 5064 schtasks.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 3980 WMIC.exe Token: SeSecurityPrivilege 3980 WMIC.exe Token: SeTakeOwnershipPrivilege 3980 WMIC.exe Token: SeLoadDriverPrivilege 3980 WMIC.exe Token: SeSystemProfilePrivilege 3980 WMIC.exe Token: SeSystemtimePrivilege 3980 WMIC.exe Token: SeProfSingleProcessPrivilege 3980 WMIC.exe Token: SeIncBasePriorityPrivilege 3980 WMIC.exe Token: SeCreatePagefilePrivilege 3980 WMIC.exe Token: SeBackupPrivilege 3980 WMIC.exe Token: SeRestorePrivilege 3980 WMIC.exe Token: SeShutdownPrivilege 3980 WMIC.exe Token: SeDebugPrivilege 3980 WMIC.exe Token: SeSystemEnvironmentPrivilege 3980 WMIC.exe Token: SeRemoteShutdownPrivilege 3980 WMIC.exe Token: SeUndockPrivilege 3980 WMIC.exe Token: SeManageVolumePrivilege 3980 WMIC.exe Token: 33 3980 WMIC.exe Token: 34 3980 WMIC.exe Token: 35 3980 WMIC.exe Token: 36 3980 WMIC.exe Token: SeIncreaseQuotaPrivilege 3980 WMIC.exe Token: SeSecurityPrivilege 3980 WMIC.exe Token: SeTakeOwnershipPrivilege 3980 WMIC.exe Token: SeLoadDriverPrivilege 3980 WMIC.exe Token: SeSystemProfilePrivilege 3980 WMIC.exe Token: SeSystemtimePrivilege 3980 WMIC.exe Token: SeProfSingleProcessPrivilege 3980 WMIC.exe Token: SeIncBasePriorityPrivilege 3980 WMIC.exe Token: SeCreatePagefilePrivilege 3980 WMIC.exe Token: SeBackupPrivilege 3980 WMIC.exe Token: SeRestorePrivilege 3980 WMIC.exe Token: SeShutdownPrivilege 3980 WMIC.exe Token: SeDebugPrivilege 3980 WMIC.exe Token: SeSystemEnvironmentPrivilege 3980 WMIC.exe Token: SeRemoteShutdownPrivilege 3980 WMIC.exe Token: SeUndockPrivilege 3980 WMIC.exe Token: SeManageVolumePrivilege 3980 WMIC.exe Token: 33 3980 WMIC.exe Token: 34 3980 WMIC.exe Token: 35 3980 WMIC.exe Token: 36 3980 WMIC.exe Token: SeIncreaseQuotaPrivilege 4044 WMIC.exe Token: SeSecurityPrivilege 4044 WMIC.exe Token: SeTakeOwnershipPrivilege 4044 WMIC.exe Token: SeLoadDriverPrivilege 4044 WMIC.exe Token: SeSystemProfilePrivilege 4044 WMIC.exe Token: SeSystemtimePrivilege 4044 WMIC.exe Token: SeProfSingleProcessPrivilege 4044 WMIC.exe Token: SeIncBasePriorityPrivilege 4044 WMIC.exe Token: SeCreatePagefilePrivilege 4044 WMIC.exe Token: SeBackupPrivilege 4044 WMIC.exe Token: SeRestorePrivilege 4044 WMIC.exe Token: SeShutdownPrivilege 4044 WMIC.exe Token: SeDebugPrivilege 4044 WMIC.exe Token: SeSystemEnvironmentPrivilege 4044 WMIC.exe Token: SeRemoteShutdownPrivilege 4044 WMIC.exe Token: SeUndockPrivilege 4044 WMIC.exe Token: SeManageVolumePrivilege 4044 WMIC.exe Token: 33 4044 WMIC.exe Token: 34 4044 WMIC.exe Token: 35 4044 WMIC.exe Token: 36 4044 WMIC.exe Token: SeIncreaseQuotaPrivilege 4044 WMIC.exe - Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 392 wrote to memory of 4184 392 java.exe 93 PID 392 wrote to memory of 4184 392 java.exe 93 PID 392 wrote to memory of 3552 392 java.exe 104 PID 392 wrote to memory of 3552 392 java.exe 104 PID 3552 wrote to memory of 448 3552 java.exe 106 PID 3552 wrote to memory of 448 3552 java.exe 106 PID 3552 wrote to memory of 4364 3552 java.exe 107 PID 3552 wrote to memory of 4364 3552 java.exe 107 PID 448 wrote to memory of 5064 448 cmd.exe 110 PID 448 wrote to memory of 5064 448 cmd.exe 110 PID 4364 wrote to memory of 4456 4364 java.exe 111 PID 4364 wrote to memory of 4456 4364 java.exe 111 PID 4456 wrote to memory of 3980 4456 cmd.exe 113 PID 4456 wrote to memory of 3980 4456 cmd.exe 113 PID 4364 wrote to memory of 2908 4364 java.exe 114 PID 4364 wrote to memory of 2908 4364 java.exe 114 PID 2908 wrote to memory of 4044 2908 cmd.exe 116 PID 2908 wrote to memory of 4044 2908 cmd.exe 116 PID 4364 wrote to memory of 5084 4364 java.exe 117 PID 4364 wrote to memory of 5084 4364 java.exe 117 PID 5084 wrote to memory of 4160 5084 cmd.exe 119 PID 5084 wrote to memory of 4160 5084 cmd.exe 119 PID 4364 wrote to memory of 2184 4364 java.exe 120 PID 4364 wrote to memory of 2184 4364 java.exe 120 PID 2184 wrote to memory of 4800 2184 cmd.exe 122 PID 2184 wrote to memory of 4800 2184 cmd.exe 122 - 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:392 -
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:4184
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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:3552 -
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:448 -
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:5064
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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:4364 -
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:4456 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3980
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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:2908 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4044
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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:5084 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:4160
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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:2184 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:4800
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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=3524 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:81⤵PID:4592
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
- Size 46B
- SHA256 1bc7ea4fd2675499228826c0abe101a04853b6b3cdc7115bce3e115046a897ff
- MD5 0cc2334a333035c559b0da25f7e26779
- SHA1 8b55b17e371eec2ce2d7a192a979abcae902949e
- SHA512 390cfe0d8c16361a47dcc8fef3050b780c111b31c781d8a395fdc54e239fa3b3a5ee2b3052d3b8b02606048a343d15d91b577cd922059f5a606157b42efa3ed0
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna1980017517929818555.dll
- Size 241KB
- SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
- MD5 e02979ecd43bcc9061eb2b494ab5af50
- SHA1 3122ac0e751660f646c73b10c4f79685aa65c545
- SHA512 1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
- SSDEEP 6144:YW2uuBVCg2ZF0xk5udHB7EkAgEEz2Lh2LDh+MDWHNaL7yyubjmiy9NBW:YW2uAC9sVEZL0vdnz
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3808065738-1666277613-1125846146-1000\83aa4cc77f591dfc2374580bbd95f6ba_2397ee06-28fe-4eaa-8777-f7014368c353
- Size 45B
- SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
- MD5 c8366ae350e7019aefc9d1e6e6a498c6
- SHA1 5731d8a3e6568a5f2dfbbc87e3db9637df280b61
- SHA512 33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
- MD5 SHA1 SHA512
- Path C:\Users\Admin\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar
- Size 171KB
- SHA256 e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f
- MD5 09ec32ed78593f4771eb485d97ef14eb
- SHA1 fccc0ccfd0872a9e38411a6cfb1d614ad442592e
- SHA512 e14cf2f8ed7f569a4fed85ed7e2058ff681a42ba9c0321b459e93218ea2fda90e22e8ff743f9ce18a33b4ef70eb4b8b6a556ec74330ee418376dd3066c11d695
- SSDEEP 3072:yqfHZmyFAZhheBlFzzGY6zZSHj9WTs4B9S93KJ3F08M1syWu:yiyeNSY6zZk5FY6KJ9u
- MD5 SHA1 SHA512 SSDEEP
- 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
- 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
- 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
- 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