Analysis
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max time kernel
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max time network
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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
General
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Target
f258e1a04ad4cc71b7dd2c4f88b7534c0ca5f15163d6c76dfdb3a82a5d1abf02.js
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Size
776KB
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MD5
1d26836dd11e3edf4982cac936614871
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SHA1
6a1d15f15eea691da47b0a2b0a326fea2be3539d
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SHA256
f258e1a04ad4cc71b7dd2c4f88b7534c0ca5f15163d6c76dfdb3a82a5d1abf02
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SHA512
1371926913b860c5c798080c0c4563ec92b9555495e0d1f629cd536cb432fc9cf97a12c2e8c467e7a845daafe91ef30a223b65841059edcf5c9786ffb0cb37f4
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SSDEEP
6144:XQzJeftRXJpA2OEL42YdLHmaNFq5fC1il2gzLKDvlQCxhGgmRR7L/xrE6AUbDlc3:g/
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
wscript.exedescription 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
Processes:
java.exedescription ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\hjcfpkvsov.txt java.exe -
Loads dropped DLL 2 IoCs
Processes:
java.exejava.exepid Process 1592 java.exe 488 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription 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.
Processes:
flow ioc 31 ip-api.com -
Command and Scripting Interpreter: JavaScript 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
WMIC.exeWMIC.exedescription 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
Processes:
wscript.exejavaw.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exedescription 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
Loading Replay Monitor...
Downloads
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Filesize
46B
MD53a2c4b1071ca6d8fecd7775e1c55d4e6
SHA18bc26c681318a7a943b59080054d37b915754686
SHA25640aa24123cc7b4061c0b8220a27eb390da7d7623ad0efa47c6cd0a5e22860675
SHA512a2b5feeb5f965de68a6c011a7468c2b66550e8af40f8d9fdf0bbf5a99b81b4e75cb858bc8de3c5ed8b1d250009da8de5146a0070cbfac98b5f3ef0ddf7c45dbe
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-540404634-651139247-2967210625-1000\83aa4cc77f591dfc2374580bbd95f6ba_41e50f4a-4a76-42e1-a3df-51306e426307
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
92KB
MD52cc7e15396dc275497fcf51f461da38d
SHA16fa0f11b6d9e3812a86ff1d43a86ad34bfc41062
SHA256e14f1c7e11a1f1ddd570d605e4204a694a7370d603c1b1ca157e505f180ccc48
SHA512daf71473c48f9592d33a49ff2f6d7b84e2c3a992f18a29979494cae86623328f0137c6ae9046cf3bbeb75d90d2a030d1fdbf3aca8718ea769429ce1e6e4a931f
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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