Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-10-2024 01:48
Static task
static1
Behavioral task
behavioral1
Sample
645badafa1c11566e044d0fa3ce25fd3ec3f33503bb562c447a332ed0fe8cd1f.js
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
645badafa1c11566e044d0fa3ce25fd3ec3f33503bb562c447a332ed0fe8cd1f.js
Resource
win10v2004-20241007-en
General
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Target
645badafa1c11566e044d0fa3ce25fd3ec3f33503bb562c447a332ed0fe8cd1f.js
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Size
201KB
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MD5
afde4b4922541cf3d76e9ca92e350a54
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SHA1
66c54cdae7d65a72546f41f4a3017493c5dd114e
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SHA256
645badafa1c11566e044d0fa3ce25fd3ec3f33503bb562c447a332ed0fe8cd1f
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SHA512
819b8d1b573fde92137643f85d30cbf1cb1b7c9818eb7c6af81d0ee7d9bed80cef14cbbfb943b1201128d6e21152f8fe0ed0dfef1c0465e268be4f885f614de0
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SSDEEP
6144:KQSVeE40HtiBbDOtSkOSk7J3sArv5PNb/WwenMkcrB8PKoSO:ZSVeE4kYOPqZrRPNiwCpcrB8PKoSO
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-1-5-21-3756129449-3121373848-4276368241-1000\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\xlfaaef.txt java.exe -
Loads dropped DLL 2 IoCs
Processes:
java.exejava.exepid Process 2688 java.exe 4444 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xlfaaef = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\xlfaaef.txt\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xlfaaef = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\xlfaaef.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 48 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.
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
WMIC.exeWMIC.exedescription pid Process Token: SeIncreaseQuotaPrivilege 1712 WMIC.exe Token: SeSecurityPrivilege 1712 WMIC.exe Token: SeTakeOwnershipPrivilege 1712 WMIC.exe Token: SeLoadDriverPrivilege 1712 WMIC.exe Token: SeSystemProfilePrivilege 1712 WMIC.exe Token: SeSystemtimePrivilege 1712 WMIC.exe Token: SeProfSingleProcessPrivilege 1712 WMIC.exe Token: SeIncBasePriorityPrivilege 1712 WMIC.exe Token: SeCreatePagefilePrivilege 1712 WMIC.exe Token: SeBackupPrivilege 1712 WMIC.exe Token: SeRestorePrivilege 1712 WMIC.exe Token: SeShutdownPrivilege 1712 WMIC.exe Token: SeDebugPrivilege 1712 WMIC.exe Token: SeSystemEnvironmentPrivilege 1712 WMIC.exe Token: SeRemoteShutdownPrivilege 1712 WMIC.exe Token: SeUndockPrivilege 1712 WMIC.exe Token: SeManageVolumePrivilege 1712 WMIC.exe Token: 33 1712 WMIC.exe Token: 34 1712 WMIC.exe Token: 35 1712 WMIC.exe Token: 36 1712 WMIC.exe Token: SeIncreaseQuotaPrivilege 1712 WMIC.exe Token: SeSecurityPrivilege 1712 WMIC.exe Token: SeTakeOwnershipPrivilege 1712 WMIC.exe Token: SeLoadDriverPrivilege 1712 WMIC.exe Token: SeSystemProfilePrivilege 1712 WMIC.exe Token: SeSystemtimePrivilege 1712 WMIC.exe Token: SeProfSingleProcessPrivilege 1712 WMIC.exe Token: SeIncBasePriorityPrivilege 1712 WMIC.exe Token: SeCreatePagefilePrivilege 1712 WMIC.exe Token: SeBackupPrivilege 1712 WMIC.exe Token: SeRestorePrivilege 1712 WMIC.exe Token: SeShutdownPrivilege 1712 WMIC.exe Token: SeDebugPrivilege 1712 WMIC.exe Token: SeSystemEnvironmentPrivilege 1712 WMIC.exe Token: SeRemoteShutdownPrivilege 1712 WMIC.exe Token: SeUndockPrivilege 1712 WMIC.exe Token: SeManageVolumePrivilege 1712 WMIC.exe Token: 33 1712 WMIC.exe Token: 34 1712 WMIC.exe Token: 35 1712 WMIC.exe Token: 36 1712 WMIC.exe Token: SeIncreaseQuotaPrivilege 4720 WMIC.exe Token: SeSecurityPrivilege 4720 WMIC.exe Token: SeTakeOwnershipPrivilege 4720 WMIC.exe Token: SeLoadDriverPrivilege 4720 WMIC.exe Token: SeSystemProfilePrivilege 4720 WMIC.exe Token: SeSystemtimePrivilege 4720 WMIC.exe Token: SeProfSingleProcessPrivilege 4720 WMIC.exe Token: SeIncBasePriorityPrivilege 4720 WMIC.exe Token: SeCreatePagefilePrivilege 4720 WMIC.exe Token: SeBackupPrivilege 4720 WMIC.exe Token: SeRestorePrivilege 4720 WMIC.exe Token: SeShutdownPrivilege 4720 WMIC.exe Token: SeDebugPrivilege 4720 WMIC.exe Token: SeSystemEnvironmentPrivilege 4720 WMIC.exe Token: SeRemoteShutdownPrivilege 4720 WMIC.exe Token: SeUndockPrivilege 4720 WMIC.exe Token: SeManageVolumePrivilege 4720 WMIC.exe Token: 33 4720 WMIC.exe Token: 34 4720 WMIC.exe Token: 35 4720 WMIC.exe Token: 36 4720 WMIC.exe Token: SeIncreaseQuotaPrivilege 4720 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
wscript.exejavaw.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exedescription pid Process procid_target PID 4128 wrote to memory of 3840 4128 wscript.exe 85 PID 4128 wrote to memory of 3840 4128 wscript.exe 85 PID 3840 wrote to memory of 2688 3840 javaw.exe 93 PID 3840 wrote to memory of 2688 3840 javaw.exe 93 PID 2688 wrote to memory of 812 2688 java.exe 95 PID 2688 wrote to memory of 812 2688 java.exe 95 PID 2688 wrote to memory of 4444 2688 java.exe 96 PID 2688 wrote to memory of 4444 2688 java.exe 96 PID 812 wrote to memory of 4404 812 cmd.exe 99 PID 812 wrote to memory of 4404 812 cmd.exe 99 PID 4444 wrote to memory of 4924 4444 java.exe 103 PID 4444 wrote to memory of 4924 4444 java.exe 103 PID 4924 wrote to memory of 1712 4924 cmd.exe 105 PID 4924 wrote to memory of 1712 4924 cmd.exe 105 PID 4444 wrote to memory of 3276 4444 java.exe 107 PID 4444 wrote to memory of 3276 4444 java.exe 107 PID 3276 wrote to memory of 4720 3276 cmd.exe 109 PID 3276 wrote to memory of 4720 3276 cmd.exe 109 PID 4444 wrote to memory of 4764 4444 java.exe 110 PID 4444 wrote to memory of 4764 4444 java.exe 110 PID 4764 wrote to memory of 3552 4764 cmd.exe 112 PID 4764 wrote to memory of 3552 4764 cmd.exe 112 PID 4444 wrote to memory of 1624 4444 java.exe 113 PID 4444 wrote to memory of 1624 4444 java.exe 113 PID 1624 wrote to memory of 4148 1624 cmd.exe 115 PID 1624 wrote to memory of 4148 1624 cmd.exe 115 -
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\645badafa1c11566e044d0fa3ce25fd3ec3f33503bb562c447a332ed0fe8cd1f.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4128 -
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\xlfaaef.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:3840 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\xlfaaef.txt"3⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2688 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\xlfaaef.txt"4⤵
- Suspicious use of WriteProcessMemory
PID:812 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\xlfaaef.txt"5⤵
- Scheduled Task/Job: Scheduled Task
PID:4404
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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\xlfaaef.txt"4⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4444 -
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:4924 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:1712
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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:3276 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:4720
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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:4764 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list6⤵PID:3552
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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:1624 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list6⤵PID:4148
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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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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-1-5-21-3756129449-3121373848-4276368241-1000\83aa4cc77f591dfc2374580bbd95f6ba_a63d6fdc-08cb-4232-ab51-76cafdcb4d96
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
92KB
MD57b51be77942ed021489dbf24edec3de0
SHA187c16cedede053c98a0e8ee17ffbfdeb8525071b
SHA256489004af1fd6085da359ab80ecce733e9bda9d5f7ddf08edcd5ae38a24826177
SHA5125590644bcebbebd12d597ab11a5fe6fa584800ca8eda8cea45b5bd5b81bccccc92a1f5362282b74934f68ce5820bb6cd89c5e43cf328445105c42d4367194706
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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