Analysis
- max time kernel
143s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
11/04/2023, 15:18
Static task
static1
Behavioral task
behavioral1
Sample
narcher7655544pdf.exe
Resource
win7-20230220-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
narcher7655544pdf.exe
Resource
win10v2004-20230220-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target narcher7655544pdf.exe
- Size 270KB
- Sample230411-spk97sdc25
- SHA256 564bbf886f8ca5cb5674f3d073bc27faf96cd76e234eface059c53e676d8a6de
- MD5 edf82f3a3d4887fd2490efbca13f763f
- SHA1 9bd2c756f7cb0a7e4f7f187416d0e944339c59ed
- SHA512 e38d2b0b7493b0d4531c5e70875451374966fabf77ab29bffd20fdc2ce611dd7fc78009304569500bab507189b31754ee34eca6a329d43adb699219abb79836d
- SSDEEP 6144:/Ya6o4DzaHQ+4M50TpQlqGgO4888Lv+G8lR7X+2XGUzwLytqPiUqp:/Y+ukQ+XCG6Otb+G8/XLGUzwLytqfo
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
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-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation vlbee.exe - Executes dropped EXE 2 IoCs
pid Process 3300 vlbee.exe 3684 vlbee.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3300 set thread context of 3684 3300 vlbee.exe 85 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 62 IoCs
pid Process 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe 3684 vlbee.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3300 vlbee.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3684 vlbee.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1548 wrote to memory of 3300 1548 narcher7655544pdf.exe 84 PID 1548 wrote to memory of 3300 1548 narcher7655544pdf.exe 84 PID 1548 wrote to memory of 3300 1548 narcher7655544pdf.exe 84 PID 3300 wrote to memory of 3684 3300 vlbee.exe 85 PID 3300 wrote to memory of 3684 3300 vlbee.exe 85 PID 3300 wrote to memory of 3684 3300 vlbee.exe 85 PID 3300 wrote to memory of 3684 3300 vlbee.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\narcher7655544pdf.exe"C:\Users\Admin\AppData\Local\Temp\narcher7655544pdf.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1548 -
C:\Users\Admin\AppData\Local\Temp\vlbee.exe"C:\Users\Admin\AppData\Local\Temp\vlbee.exe" C:\Users\Admin\AppData\Local\Temp\aprfb.fss2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3300 -
C:\Users\Admin\AppData\Local\Temp\vlbee.exe"C:\Users\Admin\AppData\Local\Temp\vlbee.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3684
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\aprfb.fss
- Size 5KB
- SHA256 90859d689c3af3d8b2b23f1aa0c127ac00680c36e7885ea82d27bdfa81ebd1ee
- MD5 f0e88319ed48f176dbc321127d25c474
- SHA1 43e2ae53af662bcccaf5ed252f7e12c433f1db22
- SHA512 6384a3d812a9dcbf80813c2e3a38341e95f43f1db443098fd71555bbab38781902f024a934311405d1ec5fb61a44ed9d14bb1c6e75bcda608b86541de6c7c064
- SSDEEP 96:Farc6oYkg/DrYuMk2XO5oSw0D+dSR48/d9V5HJfVVSscKv2h4LUtnoIgAAj2:FarcRI0hX1SJuuN9LpN0rKv2hqUi/j2
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\podgvl.b
- Size 206KB
- SHA256 8ef84ae71a6b881b0844f0bcf022eaa2bc480027859dc6a9cc8703bfe162506f
- MD5 d98c03abc07b171838b0281699d6331e
- SHA1 108f34d06ae25386851623cb14835b6881e031da
- SHA512 e7aba8e7da5a22dd1d6a338d37caa509b2808385dc116b5d1da391c5294d1101c6826d7dd69b32775769c9d6b21770ef8933f1a9fc7a1fd0447bee17bdc9c233
- SSDEEP 3072:n5oYrjVOJwiL/avBlm63GmQ8gCL9n/3sWyCxlUREY7z0dEzQDP5XlXZatss2F208:5x1gwMgIIR3sWycY7Ai4JaWs2oqbSJ
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\vlbee.exe
- Size 52KB
- SHA256 53c6aaa474d88f100b33d31cb85b59a79969ae53ae9683cdb3dee8190779b56d
- MD5 e0d638ae9d709697da8c0bee09dc390b
- SHA1 8dd27721198bd034a515eb0e8d69b7cfcba40351
- SHA512 efcd4175c24e7f113ac39402bb193dc9909f2755c6403e870d70dc5723b00e94ab6e19ac12a510440e32144cd4de67d8dc092a5d4cf899bd153aeb056b80b1ac
- SSDEEP 1536:gW10ViqA5IfFaT3+TjXpz5QDPo0LPIxT:gtA5qBTjXVv4PIxT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\vlbee.exe
- Size 52KB
- SHA256 53c6aaa474d88f100b33d31cb85b59a79969ae53ae9683cdb3dee8190779b56d
- MD5 e0d638ae9d709697da8c0bee09dc390b
- SHA1 8dd27721198bd034a515eb0e8d69b7cfcba40351
- SHA512 efcd4175c24e7f113ac39402bb193dc9909f2755c6403e870d70dc5723b00e94ab6e19ac12a510440e32144cd4de67d8dc092a5d4cf899bd153aeb056b80b1ac
- SSDEEP 1536:gW10ViqA5IfFaT3+TjXpz5QDPo0LPIxT:gtA5qBTjXVv4PIxT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\vlbee.exe
- Size 52KB
- SHA256 53c6aaa474d88f100b33d31cb85b59a79969ae53ae9683cdb3dee8190779b56d
- MD5 e0d638ae9d709697da8c0bee09dc390b
- SHA1 8dd27721198bd034a515eb0e8d69b7cfcba40351
- SHA512 efcd4175c24e7f113ac39402bb193dc9909f2755c6403e870d70dc5723b00e94ab6e19ac12a510440e32144cd4de67d8dc092a5d4cf899bd153aeb056b80b1ac
- SSDEEP 1536:gW10ViqA5IfFaT3+TjXpz5QDPo0LPIxT:gtA5qBTjXVv4PIxT
- MD5 SHA1 SHA512 SSDEEP