Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
10/05/2024, 02:00
Static task
static1
Behavioral task
behavioral1
Sample
f224a2adc08aef0c0fc1899d4ba8aa52e3c608ef2b294dec6d72590dfcb91614.js
Resource
win7-20240508-en
3 signatures
150 seconds
General
- Target f224a2adc08aef0c0fc1899d4ba8aa52e3c608ef2b294dec6d72590dfcb91614.js
- Size 443KB
- Sample240510-ce738aff89
- SHA256 f224a2adc08aef0c0fc1899d4ba8aa52e3c608ef2b294dec6d72590dfcb91614
- MD5 cdc0ff3b2e6bd8e1a0d09ff010c2c899
- SHA1 e15ab2d20673e273eb9698894c9f1ef07a893999
- SHA512 787ea82b4404ff50f77f18b36f60071551e8a80810e52d92fac6c89e06baa66bb3d0f09970c5a043273416a3aa92b99b74ae8e2a1f6d66f30c1bd92a282deea9
- SSDEEP 6144:ZQOOkQsu5kVH5fRAZmyUzxDRqns5D9rmqJ1UnYUB48xM91Y1WziypzkAkaM1kxKm:HVuGZq6xDk8H1cYm48xMYCkbprC
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation wscript.exe Key value queried \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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\kltbcnmdv.txt java.exe - Loads dropped DLL 1 IoCs
pid Process 3820 java.exe - Modifies file permissions 1 TTPs 1 IoCs
pid Process 4100 icacls.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kltbcnmdv = "\"C:\\Users\\Admin\\AppData\\Roaming\\kltbcnmdv.txt\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kltbcnmdv = "\"C:\\Users\\Admin\\AppData\\Roaming\\kltbcnmdv.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 40 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 464 schtasks.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 3544 WMIC.exe Token: SeSecurityPrivilege 3544 WMIC.exe Token: SeTakeOwnershipPrivilege 3544 WMIC.exe Token: SeLoadDriverPrivilege 3544 WMIC.exe Token: SeSystemProfilePrivilege 3544 WMIC.exe Token: SeSystemtimePrivilege 3544 WMIC.exe Token: SeProfSingleProcessPrivilege 3544 WMIC.exe Token: SeIncBasePriorityPrivilege 3544 WMIC.exe Token: SeCreatePagefilePrivilege 3544 WMIC.exe Token: SeBackupPrivilege 3544 WMIC.exe Token: SeRestorePrivilege 3544 WMIC.exe Token: SeShutdownPrivilege 3544 WMIC.exe Token: SeDebugPrivilege 3544 WMIC.exe Token: SeSystemEnvironmentPrivilege 3544 WMIC.exe Token: SeRemoteShutdownPrivilege 3544 WMIC.exe Token: SeUndockPrivilege 3544 WMIC.exe Token: SeManageVolumePrivilege 3544 WMIC.exe Token: 33 3544 WMIC.exe Token: 34 3544 WMIC.exe Token: 35 3544 WMIC.exe Token: 36 3544 WMIC.exe Token: SeIncreaseQuotaPrivilege 3544 WMIC.exe Token: SeSecurityPrivilege 3544 WMIC.exe Token: SeTakeOwnershipPrivilege 3544 WMIC.exe Token: SeLoadDriverPrivilege 3544 WMIC.exe Token: SeSystemProfilePrivilege 3544 WMIC.exe Token: SeSystemtimePrivilege 3544 WMIC.exe Token: SeProfSingleProcessPrivilege 3544 WMIC.exe Token: SeIncBasePriorityPrivilege 3544 WMIC.exe Token: SeCreatePagefilePrivilege 3544 WMIC.exe Token: SeBackupPrivilege 3544 WMIC.exe Token: SeRestorePrivilege 3544 WMIC.exe Token: SeShutdownPrivilege 3544 WMIC.exe Token: SeDebugPrivilege 3544 WMIC.exe Token: SeSystemEnvironmentPrivilege 3544 WMIC.exe Token: SeRemoteShutdownPrivilege 3544 WMIC.exe Token: SeUndockPrivilege 3544 WMIC.exe Token: SeManageVolumePrivilege 3544 WMIC.exe Token: 33 3544 WMIC.exe Token: 34 3544 WMIC.exe Token: 35 3544 WMIC.exe Token: 36 3544 WMIC.exe Token: SeIncreaseQuotaPrivilege 3944 WMIC.exe Token: SeSecurityPrivilege 3944 WMIC.exe Token: SeTakeOwnershipPrivilege 3944 WMIC.exe Token: SeLoadDriverPrivilege 3944 WMIC.exe Token: SeSystemProfilePrivilege 3944 WMIC.exe Token: SeSystemtimePrivilege 3944 WMIC.exe Token: SeProfSingleProcessPrivilege 3944 WMIC.exe Token: SeIncBasePriorityPrivilege 3944 WMIC.exe Token: SeCreatePagefilePrivilege 3944 WMIC.exe Token: SeBackupPrivilege 3944 WMIC.exe Token: SeRestorePrivilege 3944 WMIC.exe Token: SeShutdownPrivilege 3944 WMIC.exe Token: SeDebugPrivilege 3944 WMIC.exe Token: SeSystemEnvironmentPrivilege 3944 WMIC.exe Token: SeRemoteShutdownPrivilege 3944 WMIC.exe Token: SeUndockPrivilege 3944 WMIC.exe Token: SeManageVolumePrivilege 3944 WMIC.exe Token: 33 3944 WMIC.exe Token: 34 3944 WMIC.exe Token: 35 3944 WMIC.exe Token: 36 3944 WMIC.exe Token: SeIncreaseQuotaPrivilege 3944 WMIC.exe - Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 4888 wrote to memory of 2968 4888 wscript.exe 83 PID 4888 wrote to memory of 2968 4888 wscript.exe 83 PID 2968 wrote to memory of 4100 2968 javaw.exe 84 PID 2968 wrote to memory of 4100 2968 javaw.exe 84 PID 2968 wrote to memory of 5040 2968 javaw.exe 87 PID 2968 wrote to memory of 5040 2968 javaw.exe 87 PID 5040 wrote to memory of 3316 5040 wscript.exe 88 PID 5040 wrote to memory of 3316 5040 wscript.exe 88 PID 3316 wrote to memory of 1580 3316 javaw.exe 98 PID 3316 wrote to memory of 1580 3316 javaw.exe 98 PID 1580 wrote to memory of 1416 1580 java.exe 100 PID 1580 wrote to memory of 1416 1580 java.exe 100 PID 1580 wrote to memory of 3820 1580 java.exe 101 PID 1580 wrote to memory of 3820 1580 java.exe 101 PID 1416 wrote to memory of 464 1416 cmd.exe 104 PID 1416 wrote to memory of 464 1416 cmd.exe 104 PID 3820 wrote to memory of 668 3820 java.exe 105 PID 3820 wrote to memory of 668 3820 java.exe 105 PID 668 wrote to memory of 3544 668 cmd.exe 107 PID 668 wrote to memory of 3544 668 cmd.exe 107 PID 3820 wrote to memory of 2060 3820 java.exe 109 PID 3820 wrote to memory of 2060 3820 java.exe 109 PID 2060 wrote to memory of 3944 2060 cmd.exe 111 PID 2060 wrote to memory of 3944 2060 cmd.exe 111 PID 3820 wrote to memory of 1664 3820 java.exe 112 PID 3820 wrote to memory of 1664 3820 java.exe 112 PID 1664 wrote to memory of 3876 1664 cmd.exe 114 PID 1664 wrote to memory of 3876 1664 cmd.exe 114 PID 3820 wrote to memory of 2908 3820 java.exe 115 PID 3820 wrote to memory of 2908 3820 java.exe 115 PID 2908 wrote to memory of 5000 2908 cmd.exe 117 PID 2908 wrote to memory of 5000 2908 cmd.exe 117 - 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\f224a2adc08aef0c0fc1899d4ba8aa52e3c608ef2b294dec6d72590dfcb91614.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4888 -
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\hjmszlu.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:2968 -
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:4100
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C:\Windows\SYSTEM32\wscript.exewscript C:\Users\Admin\pnjtiaccyf.js3⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5040 -
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\kltbcnmdv.txt"4⤵
- Suspicious use of WriteProcessMemory
PID:3316 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\kltbcnmdv.txt"5⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1580 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\kltbcnmdv.txt"6⤵
- Suspicious use of WriteProcessMemory
PID:1416 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\kltbcnmdv.txt"7⤵
- Creates scheduled task(s)
PID:464
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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\kltbcnmdv.txt"6⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3820 -
C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"7⤵
- Suspicious use of WriteProcessMemory
PID:668 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list8⤵
- Suspicious use of AdjustPrivilegeToken
PID:3544
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"7⤵
- Suspicious use of WriteProcessMemory
PID:2060 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list8⤵
- Suspicious use of AdjustPrivilegeToken
PID:3944
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"7⤵
- Suspicious use of WriteProcessMemory
PID:1664 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list8⤵PID:3876
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"7⤵
- Suspicious use of WriteProcessMemory
PID:2908 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list8⤵PID:5000
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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 73d03f92c3d94705b74b4b818ca46b92230a4145ab5d772ba058820cf8d05387
- MD5 b1798bc9f576cbf78c7f1a2c13736a83
- SHA1 0d20be6e1c22da0c5f8ec91bb45d67154db2336f
- SHA512 d10ee5cd5066c72779d7060b9a6952c59cbceaf1bf7fd57f92b011a8118e25760785504ef35c61a25d11e14af55712cd9b5e4f2fd415da494f9a0335c72bcf73
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna6056282141343058512.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-1-5-21-3571316656-3665257725-2415531812-1000\83aa4cc77f591dfc2374580bbd95f6ba_a47c70d8-7adc-4ad7-994f-644a8c84c176
- Size 45B
- SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
- MD5 c8366ae350e7019aefc9d1e6e6a498c6
- SHA1 5731d8a3e6568a5f2dfbbc87e3db9637df280b61
- SHA512 33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\hjmszlu.txt
- Size 219KB
- SHA256 8d1f7af142e64bcc42117302ce5c20a1e8cce37485f5f8948f006924498cd997
- MD5 dc460eff6b011dad319db62115365f3a
- SHA1 112909f254ae16361a6f3dfe757f45896fa8f522
- SHA512 d8ed4c60a35a8be32cd391c4c356f53bedbb2f59b20061f01a0aa751091fcb367799ffab266ad9ca33ef677fe12d30811991b4641c4519aeea073a095cc74d18
- SSDEEP 6144:n/tlwJJweuZJHj0gHSTAOJCiJcWFv/o4nG8:1WCZJHggHSMOJCiJV+4d
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\kltbcnmdv.txt
- Size 164KB
- SHA256 4a464631cf3f7f3261f79fc443dd63d0d205806077e33e9ea1477134d2f7c723
- MD5 263238ba3312613146a92ecfad5f5abb
- SHA1 57d076f1deb30314bdef4d7e4795068957c8c0d0
- SHA512 baaa069e01cf004eec72569fb49312dcf2b1bdac304b6c2e003a926f052c71708e2e704a14e81fbdaabbb01067c61f295bca1c97dfd2fef8ebc2b055eb12f9c4
- SSDEEP 3072:kwxNMv7YAmfZEm9b6w1u9TOrkRiOpus0mOM4rkxxFzL0xh8xm5hJS:kx4f64u9TrRiOpP0eTFsxhQEhk
- 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
- Path C:\Users\Admin\pnjtiaccyf.js
- Size 347KB
- SHA256 5eb64fbe30ab5c8d68fd358f31f9f3cf9c2cb52032a1736a4b327a3d02d8bd0a
- MD5 4ab0c7385d9202a8aed07e0086d83711
- SHA1 987d7102a8585fde7412554732d7974159e007fa
- SHA512 c53ffb22e9dba04607c6648c4b6dd3195eaedbf73ce6b0f065aa116db1e6188b5096b53f281e02486e0b0f8f7e407870c050465902566f4701ce511ed4631682
- SSDEEP 6144:QuqYsTUku56k9ut0QaJ5iGlTxys+OlWLYE5q3FwcG+DshImp5r3jS3PsGdRoAPE/:zq7Te6x1oOGsJrrTGd5PLw/
- MD5 SHA1 SHA512 SSDEEP