Analysis
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max time kernel
149s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
27-09-2024 08:28
Static task
static1
Behavioral task
behavioral1
Sample
PO#518464.js
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
PO#518464.js
Resource
win10v2004-20240802-en
General
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Target
PO#518464.js
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Size
458KB
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MD5
bad891ad34cea31a079100af2269d1a2
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SHA1
5ec553750e242c145483984e6d856cd8a8749fb3
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SHA256
25c4220159b9f1acd768415b14403854a8dec47c3d1a1286e75631f60bc54ebf
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SHA512
2b95217a632bc953115bf6eb5632fe5476f9b1b6b037edb9fed507d4681784aec3f62e4ba62acec707eca5d507ee29d1e278ff4022dd572f02e2f63790fc6b8f
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SSDEEP
6144:HQ79rj8xxZDM9PuwTd51LkiZJsuRnuXtMVDjCWMtZlAgQmXauo72q3Hs5lcflfrC:w9ASJDJkgnRLDjQ3AL2q362C
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.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\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\kcpvztxq.txt java.exe -
Loads dropped DLL 1 IoCs
pid Process 4276 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kcpvztxq = "\"C:\\Users\\Admin\\AppData\\Roaming\\kcpvztxq.txt\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kcpvztxq = "\"C:\\Users\\Admin\\AppData\\Roaming\\kcpvztxq.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 34 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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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 760 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 748 WMIC.exe Token: SeSecurityPrivilege 748 WMIC.exe Token: SeTakeOwnershipPrivilege 748 WMIC.exe Token: SeLoadDriverPrivilege 748 WMIC.exe Token: SeSystemProfilePrivilege 748 WMIC.exe Token: SeSystemtimePrivilege 748 WMIC.exe Token: SeProfSingleProcessPrivilege 748 WMIC.exe Token: SeIncBasePriorityPrivilege 748 WMIC.exe Token: SeCreatePagefilePrivilege 748 WMIC.exe Token: SeBackupPrivilege 748 WMIC.exe Token: SeRestorePrivilege 748 WMIC.exe Token: SeShutdownPrivilege 748 WMIC.exe Token: SeDebugPrivilege 748 WMIC.exe Token: SeSystemEnvironmentPrivilege 748 WMIC.exe Token: SeRemoteShutdownPrivilege 748 WMIC.exe Token: SeUndockPrivilege 748 WMIC.exe Token: SeManageVolumePrivilege 748 WMIC.exe Token: 33 748 WMIC.exe Token: 34 748 WMIC.exe Token: 35 748 WMIC.exe Token: 36 748 WMIC.exe Token: SeIncreaseQuotaPrivilege 748 WMIC.exe Token: SeSecurityPrivilege 748 WMIC.exe Token: SeTakeOwnershipPrivilege 748 WMIC.exe Token: SeLoadDriverPrivilege 748 WMIC.exe Token: SeSystemProfilePrivilege 748 WMIC.exe Token: SeSystemtimePrivilege 748 WMIC.exe Token: SeProfSingleProcessPrivilege 748 WMIC.exe Token: SeIncBasePriorityPrivilege 748 WMIC.exe Token: SeCreatePagefilePrivilege 748 WMIC.exe Token: SeBackupPrivilege 748 WMIC.exe Token: SeRestorePrivilege 748 WMIC.exe Token: SeShutdownPrivilege 748 WMIC.exe Token: SeDebugPrivilege 748 WMIC.exe Token: SeSystemEnvironmentPrivilege 748 WMIC.exe Token: SeRemoteShutdownPrivilege 748 WMIC.exe Token: SeUndockPrivilege 748 WMIC.exe Token: SeManageVolumePrivilege 748 WMIC.exe Token: 33 748 WMIC.exe Token: 34 748 WMIC.exe Token: 35 748 WMIC.exe Token: 36 748 WMIC.exe Token: SeIncreaseQuotaPrivilege 3812 WMIC.exe Token: SeSecurityPrivilege 3812 WMIC.exe Token: SeTakeOwnershipPrivilege 3812 WMIC.exe Token: SeLoadDriverPrivilege 3812 WMIC.exe Token: SeSystemProfilePrivilege 3812 WMIC.exe Token: SeSystemtimePrivilege 3812 WMIC.exe Token: SeProfSingleProcessPrivilege 3812 WMIC.exe Token: SeIncBasePriorityPrivilege 3812 WMIC.exe Token: SeCreatePagefilePrivilege 3812 WMIC.exe Token: SeBackupPrivilege 3812 WMIC.exe Token: SeRestorePrivilege 3812 WMIC.exe Token: SeShutdownPrivilege 3812 WMIC.exe Token: SeDebugPrivilege 3812 WMIC.exe Token: SeSystemEnvironmentPrivilege 3812 WMIC.exe Token: SeRemoteShutdownPrivilege 3812 WMIC.exe Token: SeUndockPrivilege 3812 WMIC.exe Token: SeManageVolumePrivilege 3812 WMIC.exe Token: 33 3812 WMIC.exe Token: 34 3812 WMIC.exe Token: 35 3812 WMIC.exe Token: 36 3812 WMIC.exe Token: SeIncreaseQuotaPrivilege 3812 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 548 wrote to memory of 1404 548 wscript.exe 82 PID 548 wrote to memory of 1404 548 wscript.exe 82 PID 1404 wrote to memory of 4856 1404 javaw.exe 84 PID 1404 wrote to memory of 4856 1404 javaw.exe 84 PID 4856 wrote to memory of 5040 4856 java.exe 86 PID 4856 wrote to memory of 5040 4856 java.exe 86 PID 4856 wrote to memory of 4276 4856 java.exe 87 PID 4856 wrote to memory of 4276 4856 java.exe 87 PID 5040 wrote to memory of 760 5040 cmd.exe 90 PID 5040 wrote to memory of 760 5040 cmd.exe 90 PID 4276 wrote to memory of 3056 4276 java.exe 91 PID 4276 wrote to memory of 3056 4276 java.exe 91 PID 3056 wrote to memory of 748 3056 cmd.exe 93 PID 3056 wrote to memory of 748 3056 cmd.exe 93 PID 4276 wrote to memory of 1276 4276 java.exe 95 PID 4276 wrote to memory of 1276 4276 java.exe 95 PID 1276 wrote to memory of 3812 1276 cmd.exe 97 PID 1276 wrote to memory of 3812 1276 cmd.exe 97 PID 4276 wrote to memory of 872 4276 java.exe 100 PID 4276 wrote to memory of 872 4276 java.exe 100 PID 872 wrote to memory of 3672 872 cmd.exe 102 PID 872 wrote to memory of 3672 872 cmd.exe 102 PID 4276 wrote to memory of 2408 4276 java.exe 103 PID 4276 wrote to memory of 2408 4276 java.exe 103 PID 2408 wrote to memory of 3732 2408 cmd.exe 105 PID 2408 wrote to memory of 3732 2408 cmd.exe 105 -
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\PO#518464.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:548 -
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\kcpvztxq.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:1404 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\kcpvztxq.txt"3⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\kcpvztxq.txt"4⤵
- Suspicious use of WriteProcessMemory
PID:5040 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\kcpvztxq.txt"5⤵
- Scheduled Task/Job: Scheduled Task
PID:760
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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\kcpvztxq.txt"4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4276 -
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:3056 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:748
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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:1276 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:3812
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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:872 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list6⤵PID:3672
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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:2408 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list6⤵PID:3732
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1JavaScript
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
46B
MD5ec48b349217e71d3c0efba9ea363fca7
SHA12ab90ff3b71526a72f24c20cc3e579e676830777
SHA256caa870ef8055106799e1f85201c3a704c90fee939600ccff58af32f8875b6954
SHA5124d6325160117fa63f0d4b0287cf4759ab52cc6b97b8002dd3cf8300c512e220b7ed75466e5d49305871aa4e9fa29a49981da0f9e0c1e2244bfe4fc06e2420127
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Filesize
46B
MD5d7d8c72493bba90d9ab1736c74094e9c
SHA14b5c2f83619b167e0bb8908f186cc9e0dbff59f3
SHA256a4dc92a5d8ac7097a770922afceee329efec27e0eef8a8e02806bbddfd07f58d
SHA512269807473df105fc0f6d0b54e616a827b9b7e6ece673baf2d87f0193ed332e54f2a46180a98f2f7af76434ca9d161e1126bef5bbfaffdaf9fb4ac090b9a49e38
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-656926755-4116854191-210765258-1000\83aa4cc77f591dfc2374580bbd95f6ba_6f95b8b4-c02b-43c9-8cd4-016780936b63
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
209KB
MD59253a3ae8d339ad044eddacb81295060
SHA127d8793f419328ea690734e7b5c4c4c1287fad3f
SHA2565269f44114815dbe9d98fbc756da86969b056b4d7362c9c96d8c58dd17be161c
SHA512fca47b36359817e769064f9b8c3d4b36ffa5e6bbba3904f06cb2c3bf7b21fa1332be506b7e45754b6c884d6d2e12da64c3bea66fc15b8baea8312b29578c557c
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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