Analysis
- max time kernel
150s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
11/03/2024, 18:47
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
05fa44a4491ca6ef93ee21ce33c14f4274401e1b2c914d7cac772cdf8e25fb4e.exe
Resource
win7-20240221-en
9 signatures
150 seconds
General
- Target 05fa44a4491ca6ef93ee21ce33c14f4274401e1b2c914d7cac772cdf8e25fb4e.exe
- Size 297KB
- Sample240311-xe59vada65
- SHA256 05fa44a4491ca6ef93ee21ce33c14f4274401e1b2c914d7cac772cdf8e25fb4e
- MD5 4ea309874c30b475dc65eb5ebd8cf309
- SHA1 921a53a125f507b829ef1bca30d950c849ea8329
- SHA512 5241833587abd2206c526738a54a829e870be348cab9f10ab159cc67569f408bb9ec76bb354b255272f53dd57eca8cb987b80b77f9607063801acf25f01be0b6
- SSDEEP 6144:kN43gKpDPeVvnAmZ64XMxvQ4x1OpGcm9VQl0lM/oJ4/gupQ:Y4npK2y8zzkGHVqoq/gP
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
urelas
C2
-
218.54.31.226
-
218.54.31.165
Signatures
- Detects executables built or packed with MPress PE compressor 8 IoCs
resource yara_rule behavioral2/files/0x00070000000231f8-31.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/3076-37-0x0000000000400000-0x000000000049F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/3076-39-0x0000000000400000-0x000000000049F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/3076-40-0x0000000000400000-0x000000000049F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/3076-41-0x0000000000400000-0x000000000049F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/3076-42-0x0000000000400000-0x000000000049F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/3076-43-0x0000000000400000-0x000000000049F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/3076-44-0x0000000000400000-0x000000000049F000-memory.dmp INDICATOR_EXE_Packed_MPress - 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-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation 05fa44a4491ca6ef93ee21ce33c14f4274401e1b2c914d7cac772cdf8e25fb4e.exe Key value queried \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation wojya.exe - Executes dropped EXE 2 IoCs
pid Process 4352 wojya.exe 3076 kocus.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe 3076 kocus.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: 33 648 05fa44a4491ca6ef93ee21ce33c14f4274401e1b2c914d7cac772cdf8e25fb4e.exe Token: SeIncBasePriorityPrivilege 648 05fa44a4491ca6ef93ee21ce33c14f4274401e1b2c914d7cac772cdf8e25fb4e.exe Token: 33 4352 wojya.exe Token: SeIncBasePriorityPrivilege 4352 wojya.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 648 wrote to memory of 4352 648 05fa44a4491ca6ef93ee21ce33c14f4274401e1b2c914d7cac772cdf8e25fb4e.exe 93 PID 648 wrote to memory of 4352 648 05fa44a4491ca6ef93ee21ce33c14f4274401e1b2c914d7cac772cdf8e25fb4e.exe 93 PID 648 wrote to memory of 4352 648 05fa44a4491ca6ef93ee21ce33c14f4274401e1b2c914d7cac772cdf8e25fb4e.exe 93 PID 648 wrote to memory of 3400 648 05fa44a4491ca6ef93ee21ce33c14f4274401e1b2c914d7cac772cdf8e25fb4e.exe 94 PID 648 wrote to memory of 3400 648 05fa44a4491ca6ef93ee21ce33c14f4274401e1b2c914d7cac772cdf8e25fb4e.exe 94 PID 648 wrote to memory of 3400 648 05fa44a4491ca6ef93ee21ce33c14f4274401e1b2c914d7cac772cdf8e25fb4e.exe 94 PID 4352 wrote to memory of 3076 4352 wojya.exe 106 PID 4352 wrote to memory of 3076 4352 wojya.exe 106 PID 4352 wrote to memory of 3076 4352 wojya.exe 106
Processes
-
C:\Users\Admin\AppData\Local\Temp\05fa44a4491ca6ef93ee21ce33c14f4274401e1b2c914d7cac772cdf8e25fb4e.exe"C:\Users\Admin\AppData\Local\Temp\05fa44a4491ca6ef93ee21ce33c14f4274401e1b2c914d7cac772cdf8e25fb4e.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:648 -
C:\Users\Admin\AppData\Local\Temp\wojya.exe"C:\Users\Admin\AppData\Local\Temp\wojya.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4352 -
C:\Users\Admin\AppData\Local\Temp\kocus.exe"C:\Users\Admin\AppData\Local\Temp\kocus.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3076
-
-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "2⤵PID:3400
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
- Size 340B
- SHA256 34bce5cd0fcaa64f2e6978b7d4c9c4dd80fd7549e210d84fed7a11380efa2850
- MD5 d72996899c70e11503e57c33ec955015
- SHA1 23917a91613b8b783918c4dc7666f92a09dbe204
- SHA512 6aff62774091c494585656ee2aedf1336fecb10104a589244ea21273f75594cdc755ae97571c4bf99246bc50f4ebe4243e4eea1e9a167227386347cb965be41b
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
- Size 512B
- SHA256 c4b63252647bc2990b6ed792817513bf957710cf8bd29d5e494c868347a2060b
- MD5 076f946c754edae7aab7fbb210e5fbaa
- SHA1 178d7accefa21a1747579084340d09e079ee462e
- SHA512 327a9f9f9e9409972f7d44a6a138159a2c94d36c304a35c3e9db06c5e05702e5a4c1cf04c16026ccba6954c10fe7f120106ee05059f0da5e73acf96671ef848f
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\kocus.exe
- Size 203KB
- SHA256 14d05b13e0dc20a4912936fd6599b72b70c0dad3d6cb8ec8c2d142704e6d1f69
- MD5 5b44897dc734b6e4077c2f013dbc8aac
- SHA1 c12bc5ddca3dfe176d89926cf5948fd9bf947818
- SHA512 bd0c7af6e67a3107e8b905d6414cde9f2c820f4654043281ad7157918ecc951e8e84d1e2c6ac583bbc3bdcd8a043e9301c7d6e7289cd0bcac6761252492c3d2d
- SSDEEP 3072:hXZhjXKappnWS6RRu8Q7Dxk1mP3f5OVg2d6Bn8eEc:hJh2afnFp847P3t2d6Bn8eEc
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\wojya.exe
- Size 297KB
- SHA256 d195e6a30b75ae95975fefb2f9fdd31f031c5ebbc8bde2790225cf893fd9fcc5
- MD5 9506e3803b9151510792d11e70199d81
- SHA1 c38da1184a13bca1805f364d8196b230eee9890c
- SHA512 d22bd3a914889e386a862073532eebb3a95538d55c5869398b4464c06474cc9a8f6bd9ab9f184f3878c99ee442bce8d045a3ecfc23b90b06eba7214be3757033
- SSDEEP 6144:kN43gKpDPeVvnAmZ64XMxvQ4x1OpGcm9VQl0lM/oJ4/gupU:Y4npK2y8zzkGHVqoq/gV
- MD5 SHA1 SHA512 SSDEEP