Analysis
- max time kernel
149s - 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, 08:30
Static task
static1
Behavioral task
behavioral1
Sample
IMG_20240404_0002.js
Resource
win7-20240221-en
3 signatures
150 seconds
General
- Target IMG_20240404_0002.js
- Size 348KB
- Sample240510-kd568sch2t
- SHA256 5d4749e3e2a6b7dc78ee9e03d3bfa7e82a7a8d90ba04142fdae217248d24fe38
- MD5 78528488a96cbb120c3c1860c4efa08e
- SHA1 cbedf20d8de7fd129bf8204f7fdb856e4a93576d
- SHA512 b39a7c48773aa3261379bf6e05bd362048ffd9f862faddc49884cf4b525e33dc1c5c31477e0e2999f3e6fdf303001ebf6a5a2ac420a8d1c49b6f76f9a4c0e1f9
- SSDEEP 6144:07VDuwYZZl8nQpfTaBH66gZSlnTRoDKVs9bv7hqxJnZQbdYEP7gzyWTGRyTc20kq:6RuwTQQBXvsRvsxlZWP7ge20aGq3CL5
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- 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-1-5-21-3906287020-2915474608-1755617787-1000\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\udyunbw.txt java.exe - Loads dropped DLL 1 IoCs
pid Process 3992 java.exe - Modifies file permissions 1 TTPs 1 IoCs
pid Process 2880 icacls.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\udyunbw = "\"C:\\Users\\Admin\\AppData\\Roaming\\udyunbw.txt\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\udyunbw = "\"C:\\Users\\Admin\\AppData\\Roaming\\udyunbw.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 4696 schtasks.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4296 WMIC.exe Token: SeSecurityPrivilege 4296 WMIC.exe Token: SeTakeOwnershipPrivilege 4296 WMIC.exe Token: SeLoadDriverPrivilege 4296 WMIC.exe Token: SeSystemProfilePrivilege 4296 WMIC.exe Token: SeSystemtimePrivilege 4296 WMIC.exe Token: SeProfSingleProcessPrivilege 4296 WMIC.exe Token: SeIncBasePriorityPrivilege 4296 WMIC.exe Token: SeCreatePagefilePrivilege 4296 WMIC.exe Token: SeBackupPrivilege 4296 WMIC.exe Token: SeRestorePrivilege 4296 WMIC.exe Token: SeShutdownPrivilege 4296 WMIC.exe Token: SeDebugPrivilege 4296 WMIC.exe Token: SeSystemEnvironmentPrivilege 4296 WMIC.exe Token: SeRemoteShutdownPrivilege 4296 WMIC.exe Token: SeUndockPrivilege 4296 WMIC.exe Token: SeManageVolumePrivilege 4296 WMIC.exe Token: 33 4296 WMIC.exe Token: 34 4296 WMIC.exe Token: 35 4296 WMIC.exe Token: 36 4296 WMIC.exe Token: SeIncreaseQuotaPrivilege 4296 WMIC.exe Token: SeSecurityPrivilege 4296 WMIC.exe Token: SeTakeOwnershipPrivilege 4296 WMIC.exe Token: SeLoadDriverPrivilege 4296 WMIC.exe Token: SeSystemProfilePrivilege 4296 WMIC.exe Token: SeSystemtimePrivilege 4296 WMIC.exe Token: SeProfSingleProcessPrivilege 4296 WMIC.exe Token: SeIncBasePriorityPrivilege 4296 WMIC.exe Token: SeCreatePagefilePrivilege 4296 WMIC.exe Token: SeBackupPrivilege 4296 WMIC.exe Token: SeRestorePrivilege 4296 WMIC.exe Token: SeShutdownPrivilege 4296 WMIC.exe Token: SeDebugPrivilege 4296 WMIC.exe Token: SeSystemEnvironmentPrivilege 4296 WMIC.exe Token: SeRemoteShutdownPrivilege 4296 WMIC.exe Token: SeUndockPrivilege 4296 WMIC.exe Token: SeManageVolumePrivilege 4296 WMIC.exe Token: 33 4296 WMIC.exe Token: 34 4296 WMIC.exe Token: 35 4296 WMIC.exe Token: 36 4296 WMIC.exe Token: SeIncreaseQuotaPrivilege 1416 WMIC.exe Token: SeSecurityPrivilege 1416 WMIC.exe Token: SeTakeOwnershipPrivilege 1416 WMIC.exe Token: SeLoadDriverPrivilege 1416 WMIC.exe Token: SeSystemProfilePrivilege 1416 WMIC.exe Token: SeSystemtimePrivilege 1416 WMIC.exe Token: SeProfSingleProcessPrivilege 1416 WMIC.exe Token: SeIncBasePriorityPrivilege 1416 WMIC.exe Token: SeCreatePagefilePrivilege 1416 WMIC.exe Token: SeBackupPrivilege 1416 WMIC.exe Token: SeRestorePrivilege 1416 WMIC.exe Token: SeShutdownPrivilege 1416 WMIC.exe Token: SeDebugPrivilege 1416 WMIC.exe Token: SeSystemEnvironmentPrivilege 1416 WMIC.exe Token: SeRemoteShutdownPrivilege 1416 WMIC.exe Token: SeUndockPrivilege 1416 WMIC.exe Token: SeManageVolumePrivilege 1416 WMIC.exe Token: 33 1416 WMIC.exe Token: 34 1416 WMIC.exe Token: 35 1416 WMIC.exe Token: 36 1416 WMIC.exe Token: SeIncreaseQuotaPrivilege 1416 WMIC.exe - Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 2836 wrote to memory of 1020 2836 wscript.exe 83 PID 2836 wrote to memory of 1020 2836 wscript.exe 83 PID 1020 wrote to memory of 2880 1020 javaw.exe 84 PID 1020 wrote to memory of 2880 1020 javaw.exe 84 PID 1020 wrote to memory of 4308 1020 javaw.exe 96 PID 1020 wrote to memory of 4308 1020 javaw.exe 96 PID 4308 wrote to memory of 1556 4308 java.exe 99 PID 4308 wrote to memory of 1556 4308 java.exe 99 PID 4308 wrote to memory of 3992 4308 java.exe 100 PID 4308 wrote to memory of 3992 4308 java.exe 100 PID 1556 wrote to memory of 4696 1556 cmd.exe 103 PID 1556 wrote to memory of 4696 1556 cmd.exe 103 PID 3992 wrote to memory of 2540 3992 java.exe 104 PID 3992 wrote to memory of 2540 3992 java.exe 104 PID 2540 wrote to memory of 4296 2540 cmd.exe 106 PID 2540 wrote to memory of 4296 2540 cmd.exe 106 PID 3992 wrote to memory of 4956 3992 java.exe 107 PID 3992 wrote to memory of 4956 3992 java.exe 107 PID 4956 wrote to memory of 1416 4956 cmd.exe 109 PID 4956 wrote to memory of 1416 4956 cmd.exe 109 PID 3992 wrote to memory of 3460 3992 java.exe 110 PID 3992 wrote to memory of 3460 3992 java.exe 110 PID 3460 wrote to memory of 1604 3460 cmd.exe 112 PID 3460 wrote to memory of 1604 3460 cmd.exe 112 PID 3992 wrote to memory of 3524 3992 java.exe 113 PID 3992 wrote to memory of 3524 3992 java.exe 113 PID 3524 wrote to memory of 3948 3524 cmd.exe 115 PID 3524 wrote to memory of 3948 3524 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\IMG_20240404_0002.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2836 -
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\udyunbw.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:1020 -
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:2880
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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\udyunbw.txt"3⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4308 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\udyunbw.txt"4⤵
- Suspicious use of WriteProcessMemory
PID:1556 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\udyunbw.txt"5⤵
- Creates scheduled task(s)
PID:4696
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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\udyunbw.txt"4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3992 -
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:2540 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:4296
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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:4956 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:1416
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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:3460 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list6⤵PID:1604
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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:3524 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list6⤵PID:3948
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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 ab0f6c9d019f361a8f094933a04a0e7da09b2a0c5d6dc3b43f373d75ccac4c3d
- MD5 39db405aa9ad9bc8f2484f6fa6104329
- SHA1 21b227ad072046ae33abb7d4795de7ff8b7e52cb
- SHA512 f90cbfc0bb1272dd84d512ad06251c98a33022a9d5f41ba79884f405488e510298e926fe1af4ea27e2c8afee49ade2b731320d4078ebf3347b90cc4b0b111a35
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna6365330914536193848.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-1-5-21-3906287020-2915474608-1755617787-1000\83aa4cc77f591dfc2374580bbd95f6ba_215f2dba-ef84-4dd1-b127-5f514a0c233b
- Size 45B
- SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
- MD5 c8366ae350e7019aefc9d1e6e6a498c6
- SHA1 5731d8a3e6568a5f2dfbbc87e3db9637df280b61
- SHA512 33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\udyunbw.txt
- Size 164KB
- SHA256 486b68ef93d03c4e486b8ddd9e153391e7debc6839e0c09d38999dd159e30705
- MD5 7ea89d19a8441cc58b7255dc9fb205fa
- SHA1 2ae19607a8231bffd72353766f4017eb5492f3e8
- SHA512 0a76f52939c305b2756fa486222210a4a8c40deff0fc753d11da899baaa84da2fed37ddbd333c6b1dc91ea07a2a1bffcaeb4db08dcbb3db97c925254e6bcbaf4
- SSDEEP 3072:AwmVMH6YMmfEEQ9c6T4u9T7rktkOsEB0zOM4rgxgFUO0x2BRQ5Jj:AzUfvBu9TUtkOsk0RmF8x2/yF
- 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