Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
09-05-2024 02:05
Static task
static1
Behavioral task
behavioral1
Sample
d5ed6717c6b756c1604c1182f078107148dbe72dac5112a6cf3e1b772699676b.jar
Resource
win7-20240221-en
General
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Target
d5ed6717c6b756c1604c1182f078107148dbe72dac5112a6cf3e1b772699676b.jar
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Size
301KB
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MD5
d4dd87e0ace13b1f69b1a6653d6cff4e
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SHA1
8d25a40f4dabe65335214e7347671bc4de4a42a0
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SHA256
d5ed6717c6b756c1604c1182f078107148dbe72dac5112a6cf3e1b772699676b
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SHA512
22c5b257a23161802f1ed09a428b4402be334253bea2b71875ac6262cd8da3da2c62333a36879946ff15b5cd11b04a846589ac53be279b0817a49be4d98543bb
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SSDEEP
6144:opxd3RUwD5ZvA8iX0TdbycfzVokKcU0x/zQOnZvLeGx1inwWH6H5cgGW:op/3RUqDYTkJ+cfzq3cb9z7LeE6U5cgH
Malware Config
Signatures
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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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation wscript.exe Key value queried \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\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\dyvwsmkz.txt java.exe -
Loads dropped DLL 1 IoCs
pid Process 3172 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 1560 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dyvwsmkz = "\"C:\\Users\\Admin\\AppData\\Roaming\\dyvwsmkz.txt\"" java.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dyvwsmkz = "\"C:\\Users\\Admin\\AppData\\Roaming\\dyvwsmkz.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 19 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.
pid Process 1556 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2968 WMIC.exe Token: SeSecurityPrivilege 2968 WMIC.exe Token: SeTakeOwnershipPrivilege 2968 WMIC.exe Token: SeLoadDriverPrivilege 2968 WMIC.exe Token: SeSystemProfilePrivilege 2968 WMIC.exe Token: SeSystemtimePrivilege 2968 WMIC.exe Token: SeProfSingleProcessPrivilege 2968 WMIC.exe Token: SeIncBasePriorityPrivilege 2968 WMIC.exe Token: SeCreatePagefilePrivilege 2968 WMIC.exe Token: SeBackupPrivilege 2968 WMIC.exe Token: SeRestorePrivilege 2968 WMIC.exe Token: SeShutdownPrivilege 2968 WMIC.exe Token: SeDebugPrivilege 2968 WMIC.exe Token: SeSystemEnvironmentPrivilege 2968 WMIC.exe Token: SeRemoteShutdownPrivilege 2968 WMIC.exe Token: SeUndockPrivilege 2968 WMIC.exe Token: SeManageVolumePrivilege 2968 WMIC.exe Token: 33 2968 WMIC.exe Token: 34 2968 WMIC.exe Token: 35 2968 WMIC.exe Token: 36 2968 WMIC.exe Token: SeIncreaseQuotaPrivilege 2968 WMIC.exe Token: SeSecurityPrivilege 2968 WMIC.exe Token: SeTakeOwnershipPrivilege 2968 WMIC.exe Token: SeLoadDriverPrivilege 2968 WMIC.exe Token: SeSystemProfilePrivilege 2968 WMIC.exe Token: SeSystemtimePrivilege 2968 WMIC.exe Token: SeProfSingleProcessPrivilege 2968 WMIC.exe Token: SeIncBasePriorityPrivilege 2968 WMIC.exe Token: SeCreatePagefilePrivilege 2968 WMIC.exe Token: SeBackupPrivilege 2968 WMIC.exe Token: SeRestorePrivilege 2968 WMIC.exe Token: SeShutdownPrivilege 2968 WMIC.exe Token: SeDebugPrivilege 2968 WMIC.exe Token: SeSystemEnvironmentPrivilege 2968 WMIC.exe Token: SeRemoteShutdownPrivilege 2968 WMIC.exe Token: SeUndockPrivilege 2968 WMIC.exe Token: SeManageVolumePrivilege 2968 WMIC.exe Token: 33 2968 WMIC.exe Token: 34 2968 WMIC.exe Token: 35 2968 WMIC.exe Token: 36 2968 WMIC.exe Token: SeIncreaseQuotaPrivilege 2944 WMIC.exe Token: SeSecurityPrivilege 2944 WMIC.exe Token: SeTakeOwnershipPrivilege 2944 WMIC.exe Token: SeLoadDriverPrivilege 2944 WMIC.exe Token: SeSystemProfilePrivilege 2944 WMIC.exe Token: SeSystemtimePrivilege 2944 WMIC.exe Token: SeProfSingleProcessPrivilege 2944 WMIC.exe Token: SeIncBasePriorityPrivilege 2944 WMIC.exe Token: SeCreatePagefilePrivilege 2944 WMIC.exe Token: SeBackupPrivilege 2944 WMIC.exe Token: SeRestorePrivilege 2944 WMIC.exe Token: SeShutdownPrivilege 2944 WMIC.exe Token: SeDebugPrivilege 2944 WMIC.exe Token: SeSystemEnvironmentPrivilege 2944 WMIC.exe Token: SeRemoteShutdownPrivilege 2944 WMIC.exe Token: SeUndockPrivilege 2944 WMIC.exe Token: SeManageVolumePrivilege 2944 WMIC.exe Token: 33 2944 WMIC.exe Token: 34 2944 WMIC.exe Token: 35 2944 WMIC.exe Token: 36 2944 WMIC.exe Token: SeIncreaseQuotaPrivilege 2944 WMIC.exe -
Suspicious use of WriteProcessMemory 34 IoCs
description pid Process procid_target PID 4668 wrote to memory of 1560 4668 java.exe 83 PID 4668 wrote to memory of 1560 4668 java.exe 83 PID 4668 wrote to memory of 2404 4668 java.exe 85 PID 4668 wrote to memory of 2404 4668 java.exe 85 PID 2404 wrote to memory of 1304 2404 wscript.exe 87 PID 2404 wrote to memory of 1304 2404 wscript.exe 87 PID 1304 wrote to memory of 5020 1304 javaw.exe 88 PID 1304 wrote to memory of 5020 1304 javaw.exe 88 PID 5020 wrote to memory of 3396 5020 wscript.exe 89 PID 5020 wrote to memory of 3396 5020 wscript.exe 89 PID 3396 wrote to memory of 3116 3396 javaw.exe 90 PID 3396 wrote to memory of 3116 3396 javaw.exe 90 PID 3116 wrote to memory of 2052 3116 java.exe 92 PID 3116 wrote to memory of 2052 3116 java.exe 92 PID 3116 wrote to memory of 3172 3116 java.exe 93 PID 3116 wrote to memory of 3172 3116 java.exe 93 PID 2052 wrote to memory of 1556 2052 cmd.exe 96 PID 2052 wrote to memory of 1556 2052 cmd.exe 96 PID 3172 wrote to memory of 4536 3172 java.exe 97 PID 3172 wrote to memory of 4536 3172 java.exe 97 PID 4536 wrote to memory of 2968 4536 cmd.exe 99 PID 4536 wrote to memory of 2968 4536 cmd.exe 99 PID 3172 wrote to memory of 4880 3172 java.exe 101 PID 3172 wrote to memory of 4880 3172 java.exe 101 PID 4880 wrote to memory of 2944 4880 cmd.exe 103 PID 4880 wrote to memory of 2944 4880 cmd.exe 103 PID 3172 wrote to memory of 3896 3172 java.exe 104 PID 3172 wrote to memory of 3896 3172 java.exe 104 PID 3896 wrote to memory of 1968 3896 cmd.exe 106 PID 3896 wrote to memory of 1968 3896 cmd.exe 106 PID 3172 wrote to memory of 908 3172 java.exe 107 PID 3172 wrote to memory of 908 3172 java.exe 107 PID 908 wrote to memory of 1560 908 cmd.exe 109 PID 908 wrote to memory of 1560 908 cmd.exe 109 -
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:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\d5ed6717c6b756c1604c1182f078107148dbe72dac5112a6cf3e1b772699676b.jar1⤵
- Suspicious use of WriteProcessMemory
PID:4668 -
C:\Windows\system32\icacls.exeC:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M2⤵
- Modifies file permissions
PID:1560
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C:\Windows\SYSTEM32\wscript.exewscript C:\Users\Admin\gopkygzvym.js2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2404 -
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\odkqyvehxa.txt"3⤵
- Suspicious use of WriteProcessMemory
PID:1304 -
C:\Windows\SYSTEM32\wscript.exewscript C:\Users\Admin\pnjtiaccyf.js4⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5020 -
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\dyvwsmkz.txt"5⤵
- Suspicious use of WriteProcessMemory
PID:3396 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\dyvwsmkz.txt"6⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3116 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\dyvwsmkz.txt"7⤵
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\dyvwsmkz.txt"8⤵
- Creates scheduled task(s)
PID:1556
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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\dyvwsmkz.txt"7⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3172 -
C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"8⤵
- Suspicious use of WriteProcessMemory
PID:4536 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list9⤵
- Suspicious use of AdjustPrivilegeToken
PID:2968
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"8⤵
- Suspicious use of WriteProcessMemory
PID:4880 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list9⤵
- Suspicious use of AdjustPrivilegeToken
PID:2944
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"8⤵
- Suspicious use of WriteProcessMemory
PID:3896 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list9⤵PID:1968
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"8⤵
- Suspicious use of WriteProcessMemory
PID:908 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list9⤵PID:1560
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46B
MD5d978adff2d502674345e18ee0328a815
SHA1115f7942a725bb0bc94e1a43f3356f9bb6ad0447
SHA25696ab2fbe8fc6af4a6acd046e3da725b6090711a67dcb828b2a3e4225a96deee4
SHA512ffa69e37d0516e57a45939fb5066b37476c903abada4c0bd37728416414765032abbfa96751940e807f460a83d9c6976bf6c914ef9446f009a3ad2760b01debf
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3558294865-3673844354-2255444939-1000\83aa4cc77f591dfc2374580bbd95f6ba_39fbc0df-d496-4ae0-b1d7-bde60e245d90
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
164KB
MD5263238ba3312613146a92ecfad5f5abb
SHA157d076f1deb30314bdef4d7e4795068957c8c0d0
SHA2564a464631cf3f7f3261f79fc443dd63d0d205806077e33e9ea1477134d2f7c723
SHA512baaa069e01cf004eec72569fb49312dcf2b1bdac304b6c2e003a926f052c71708e2e704a14e81fbdaabbb01067c61f295bca1c97dfd2fef8ebc2b055eb12f9c4
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Filesize
219KB
MD5dc460eff6b011dad319db62115365f3a
SHA1112909f254ae16361a6f3dfe757f45896fa8f522
SHA2568d1f7af142e64bcc42117302ce5c20a1e8cce37485f5f8948f006924498cd997
SHA512d8ed4c60a35a8be32cd391c4c356f53bedbb2f59b20061f01a0aa751091fcb367799ffab266ad9ca33ef677fe12d30811991b4641c4519aeea073a095cc74d18
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Filesize
457KB
MD5c0f992bebf737a583e6d56a46654b6aa
SHA1b2152843d13b274fe14d4feb278ff1e8f1def2e9
SHA256853111fcdee757c6cf5d95abd5a1925547ec68ae85d6bd98ceb09e54910cc6b2
SHA5127aacac010c04cf48ae731cb4e494d184a3e5a0a2a20cad1806ba80cdd58cd1a3ea7b45c61dcd21d360e84335c2a33aac2176bbd581dfcf1019cacb48da7fe0a6
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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
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Filesize
347KB
MD54ab0c7385d9202a8aed07e0086d83711
SHA1987d7102a8585fde7412554732d7974159e007fa
SHA2565eb64fbe30ab5c8d68fd358f31f9f3cf9c2cb52032a1736a4b327a3d02d8bd0a
SHA512c53ffb22e9dba04607c6648c4b6dd3195eaedbf73ce6b0f065aa116db1e6188b5096b53f281e02486e0b0f8f7e407870c050465902566f4701ce511ed4631682