Analysis
- max time kernel
146s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
01/06/2024, 01:59
Static task
static1
Behavioral task
behavioral1
Sample
f258e1a04ad4cc71b7dd2c4f88b7534c0ca5f15163d6c76dfdb3a82a5d1abf02.js
Resource
win7-20240221-en
3 signatures
150 seconds
General
- Target f258e1a04ad4cc71b7dd2c4f88b7534c0ca5f15163d6c76dfdb3a82a5d1abf02.js
- Size 776KB
- Sample240601-cevg5aef99
- SHA256 f258e1a04ad4cc71b7dd2c4f88b7534c0ca5f15163d6c76dfdb3a82a5d1abf02
- MD5 1d26836dd11e3edf4982cac936614871
- SHA1 6a1d15f15eea691da47b0a2b0a326fea2be3539d
- SHA512 1371926913b860c5c798080c0c4563ec92b9555495e0d1f629cd536cb432fc9cf97a12c2e8c467e7a845daafe91ef30a223b65841059edcf5c9786ffb0cb37f4
- SSDEEP 6144:XQzJeftRXJpA2OEL42YdLHmaNFq5fC1il2gzLKDvlQCxhGgmRR7L/xrE6AUbDlc3:g/
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation wscript.exe - Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\hjcfpkvsov.txt java.exe - Loads dropped DLL 2 IoCs
pid Process 1592 java.exe 488 java.exe - Modifies file permissions 1 TTPs 1 IoCs
pid Process 1972 icacls.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hjcfpkvsov = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\hjcfpkvsov.txt\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hjcfpkvsov = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\hjcfpkvsov.txt\"" 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 31 ip-api.com - Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 648 schtasks.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1520 WMIC.exe Token: SeSecurityPrivilege 1520 WMIC.exe Token: SeTakeOwnershipPrivilege 1520 WMIC.exe Token: SeLoadDriverPrivilege 1520 WMIC.exe Token: SeSystemProfilePrivilege 1520 WMIC.exe Token: SeSystemtimePrivilege 1520 WMIC.exe Token: SeProfSingleProcessPrivilege 1520 WMIC.exe Token: SeIncBasePriorityPrivilege 1520 WMIC.exe Token: SeCreatePagefilePrivilege 1520 WMIC.exe Token: SeBackupPrivilege 1520 WMIC.exe Token: SeRestorePrivilege 1520 WMIC.exe Token: SeShutdownPrivilege 1520 WMIC.exe Token: SeDebugPrivilege 1520 WMIC.exe Token: SeSystemEnvironmentPrivilege 1520 WMIC.exe Token: SeRemoteShutdownPrivilege 1520 WMIC.exe Token: SeUndockPrivilege 1520 WMIC.exe Token: SeManageVolumePrivilege 1520 WMIC.exe Token: 33 1520 WMIC.exe Token: 34 1520 WMIC.exe Token: 35 1520 WMIC.exe Token: 36 1520 WMIC.exe Token: SeIncreaseQuotaPrivilege 1520 WMIC.exe Token: SeSecurityPrivilege 1520 WMIC.exe Token: SeTakeOwnershipPrivilege 1520 WMIC.exe Token: SeLoadDriverPrivilege 1520 WMIC.exe Token: SeSystemProfilePrivilege 1520 WMIC.exe Token: SeSystemtimePrivilege 1520 WMIC.exe Token: SeProfSingleProcessPrivilege 1520 WMIC.exe Token: SeIncBasePriorityPrivilege 1520 WMIC.exe Token: SeCreatePagefilePrivilege 1520 WMIC.exe Token: SeBackupPrivilege 1520 WMIC.exe Token: SeRestorePrivilege 1520 WMIC.exe Token: SeShutdownPrivilege 1520 WMIC.exe Token: SeDebugPrivilege 1520 WMIC.exe Token: SeSystemEnvironmentPrivilege 1520 WMIC.exe Token: SeRemoteShutdownPrivilege 1520 WMIC.exe Token: SeUndockPrivilege 1520 WMIC.exe Token: SeManageVolumePrivilege 1520 WMIC.exe Token: 33 1520 WMIC.exe Token: 34 1520 WMIC.exe Token: 35 1520 WMIC.exe Token: 36 1520 WMIC.exe Token: SeIncreaseQuotaPrivilege 3276 WMIC.exe Token: SeSecurityPrivilege 3276 WMIC.exe Token: SeTakeOwnershipPrivilege 3276 WMIC.exe Token: SeLoadDriverPrivilege 3276 WMIC.exe Token: SeSystemProfilePrivilege 3276 WMIC.exe Token: SeSystemtimePrivilege 3276 WMIC.exe Token: SeProfSingleProcessPrivilege 3276 WMIC.exe Token: SeIncBasePriorityPrivilege 3276 WMIC.exe Token: SeCreatePagefilePrivilege 3276 WMIC.exe Token: SeBackupPrivilege 3276 WMIC.exe Token: SeRestorePrivilege 3276 WMIC.exe Token: SeShutdownPrivilege 3276 WMIC.exe Token: SeDebugPrivilege 3276 WMIC.exe Token: SeSystemEnvironmentPrivilege 3276 WMIC.exe Token: SeRemoteShutdownPrivilege 3276 WMIC.exe Token: SeUndockPrivilege 3276 WMIC.exe Token: SeManageVolumePrivilege 3276 WMIC.exe Token: 33 3276 WMIC.exe Token: 34 3276 WMIC.exe Token: 35 3276 WMIC.exe Token: 36 3276 WMIC.exe Token: SeIncreaseQuotaPrivilege 3276 WMIC.exe - Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 1608 wrote to memory of 3700 1608 wscript.exe 82 PID 1608 wrote to memory of 3700 1608 wscript.exe 82 PID 3700 wrote to memory of 1972 3700 javaw.exe 85 PID 3700 wrote to memory of 1972 3700 javaw.exe 85 PID 3700 wrote to memory of 1592 3700 javaw.exe 92 PID 3700 wrote to memory of 1592 3700 javaw.exe 92 PID 1592 wrote to memory of 212 1592 java.exe 94 PID 1592 wrote to memory of 212 1592 java.exe 94 PID 1592 wrote to memory of 488 1592 java.exe 95 PID 1592 wrote to memory of 488 1592 java.exe 95 PID 212 wrote to memory of 648 212 cmd.exe 98 PID 212 wrote to memory of 648 212 cmd.exe 98 PID 488 wrote to memory of 4408 488 java.exe 100 PID 488 wrote to memory of 4408 488 java.exe 100 PID 4408 wrote to memory of 1520 4408 cmd.exe 102 PID 4408 wrote to memory of 1520 4408 cmd.exe 102 PID 488 wrote to memory of 2844 488 java.exe 103 PID 488 wrote to memory of 2844 488 java.exe 103 PID 2844 wrote to memory of 3276 2844 cmd.exe 105 PID 2844 wrote to memory of 3276 2844 cmd.exe 105 PID 488 wrote to memory of 1884 488 java.exe 106 PID 488 wrote to memory of 1884 488 java.exe 106 PID 1884 wrote to memory of 3832 1884 cmd.exe 108 PID 1884 wrote to memory of 3832 1884 cmd.exe 108 PID 488 wrote to memory of 1516 488 java.exe 109 PID 488 wrote to memory of 1516 488 java.exe 109 PID 1516 wrote to memory of 4984 1516 cmd.exe 111 PID 1516 wrote to memory of 4984 1516 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:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\f258e1a04ad4cc71b7dd2c4f88b7534c0ca5f15163d6c76dfdb3a82a5d1abf02.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1608 -
C:\Program Files\Java\jre-1.8\bin\javaw.exe"C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\hjcfpkvsov.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:3700 -
C:\Windows\system32\icacls.exeC:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M3⤵
- Modifies file permissions
PID:1972
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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\hjcfpkvsov.txt"3⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1592 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\hjcfpkvsov.txt"4⤵
- Suspicious use of WriteProcessMemory
PID:212 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\hjcfpkvsov.txt"5⤵
- Creates scheduled task(s)
PID:648
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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\hjcfpkvsov.txt"4⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:488 -
C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"5⤵
- Suspicious use of WriteProcessMemory
PID:4408 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:1520
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"5⤵
- Suspicious use of WriteProcessMemory
PID:2844 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:3276
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"5⤵
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list6⤵PID:3832
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"5⤵
- Suspicious use of WriteProcessMemory
PID:1516 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list6⤵PID:4984
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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 40aa24123cc7b4061c0b8220a27eb390da7d7623ad0efa47c6cd0a5e22860675
- MD5 3a2c4b1071ca6d8fecd7775e1c55d4e6
- SHA1 8bc26c681318a7a943b59080054d37b915754686
- SHA512 a2b5feeb5f965de68a6c011a7468c2b66550e8af40f8d9fdf0bbf5a99b81b4e75cb858bc8de3c5ed8b1d250009da8de5146a0070cbfac98b5f3ef0ddf7c45dbe
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna6813375127402381061.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-1-5-21-540404634-651139247-2967210625-1000\83aa4cc77f591dfc2374580bbd95f6ba_41e50f4a-4a76-42e1-a3df-51306e426307
- Size 45B
- SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
- MD5 c8366ae350e7019aefc9d1e6e6a498c6
- SHA1 5731d8a3e6568a5f2dfbbc87e3db9637df280b61
- SHA512 33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\hjcfpkvsov.txt
- Size 92KB
- SHA256 e14f1c7e11a1f1ddd570d605e4204a694a7370d603c1b1ca157e505f180ccc48
- MD5 2cc7e15396dc275497fcf51f461da38d
- SHA1 6fa0f11b6d9e3812a86ff1d43a86ad34bfc41062
- SHA512 daf71473c48f9592d33a49ff2f6d7b84e2c3a992f18a29979494cae86623328f0137c6ae9046cf3bbeb75d90d2a030d1fdbf3aca8718ea769429ce1e6e4a931f
- SSDEEP 1536:we//1APYP119QV1+jG4cRtnGS2Ps0470ipLeejtTNDJheJdGHGvavxTpSHrsn:weaPYP1rQajoGfPR4Ai9eepToJdfvPLE
- 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