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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
29/03/2024, 02:00
Static task
static1
Behavioral task
behavioral1
Sample
0412820e4dacf521808629f37fff8e32aa554c0d9096b7800921c8ae1cfcb0c5.exe
Resource
win7-20240220-en
General
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Target
0412820e4dacf521808629f37fff8e32aa554c0d9096b7800921c8ae1cfcb0c5.exe
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Size
5.1MB
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MD5
71ee7a0d612a6530ccfd22c79bbf0695
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SHA1
0e7413e80de750d661c132a0dd88c014dbfd2398
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SHA256
0412820e4dacf521808629f37fff8e32aa554c0d9096b7800921c8ae1cfcb0c5
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SHA512
0cf425fcb5468f16cf79b080e48de65918608842c38a194ce847f7624e66a5b2ede586dc5246ce4460ed006ec5058d4e659079a393914a6adee0e5e643347e0a
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SSDEEP
98304:2rHq3FSVIErWayHeVd0q2rVMPMKhV83eZe/LFx:2jqVSVKH0d0q2rfP3lr
Malware Config
Signatures
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Detect ZGRat V1 35 IoCs
resource yara_rule behavioral2/memory/4888-3-0x000002129F1D0000-0x000002129F566000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-4-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-7-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-9-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-11-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-15-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-13-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-21-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-19-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-25-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-23-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-17-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-27-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-31-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-33-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-37-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-39-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-41-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-45-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-43-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-47-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-49-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-53-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-55-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-57-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-51-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-59-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-35-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-29-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-61-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-5-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-63-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-67-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-65-0x000002129F1D0000-0x000002129F560000-memory.dmp family_zgrat_v1 behavioral2/memory/4888-4811-0x000002129F9E0000-0x000002129FAE2000-memory.dmp family_zgrat_v1 -
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-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation 0412820e4dacf521808629f37fff8e32aa554c0d9096b7800921c8ae1cfcb0c5.exe -
Executes dropped EXE 2 IoCs
pid Process 3428 Vbcmzog.exe 3260 ActivationContext.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3260 set thread context of 4304 3260 ActivationContext.exe 101 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2316 powershell.exe 2316 powershell.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 4888 0412820e4dacf521808629f37fff8e32aa554c0d9096b7800921c8ae1cfcb0c5.exe Token: SeDebugPrivilege 4888 0412820e4dacf521808629f37fff8e32aa554c0d9096b7800921c8ae1cfcb0c5.exe Token: SeDebugPrivilege 2316 powershell.exe Token: SeDebugPrivilege 3428 Vbcmzog.exe Token: SeDebugPrivilege 3260 ActivationContext.exe Token: SeDebugPrivilege 3260 ActivationContext.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4888 wrote to memory of 3428 4888 0412820e4dacf521808629f37fff8e32aa554c0d9096b7800921c8ae1cfcb0c5.exe 93 PID 4888 wrote to memory of 3428 4888 0412820e4dacf521808629f37fff8e32aa554c0d9096b7800921c8ae1cfcb0c5.exe 93 PID 3260 wrote to memory of 4304 3260 ActivationContext.exe 101 PID 3260 wrote to memory of 4304 3260 ActivationContext.exe 101 PID 3260 wrote to memory of 4304 3260 ActivationContext.exe 101 PID 3260 wrote to memory of 4304 3260 ActivationContext.exe 101 PID 3260 wrote to memory of 4304 3260 ActivationContext.exe 101 PID 3260 wrote to memory of 4304 3260 ActivationContext.exe 101 -
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:\Users\Admin\AppData\Local\Temp\0412820e4dacf521808629f37fff8e32aa554c0d9096b7800921c8ae1cfcb0c5.exe"C:\Users\Admin\AppData\Local\Temp\0412820e4dacf521808629f37fff8e32aa554c0d9096b7800921c8ae1cfcb0c5.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4888 -
C:\Users\Admin\AppData\Local\Temp\Vbcmzog.exe"C:\Users\Admin\AppData\Local\Temp\Vbcmzog.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3428
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABSAG8AYQBtAGkAbgBnAFwAQwB1AHIAcgBlAG4AdABcAEEAYwB0AGkAdgBhAHQAaQBvAG4AQwBvAG4AdABlAHgAdAAuAGUAeABlACwAQwA6AFwAVwBpAG4AZABvAHcAcwBcAE0AaQBjAHIAbwBzAG8AZgB0AC4ATgBFAFQAXABGAHIAYQBtAGUAdwBvAHIAawA2ADQAXAB2ADQALgAwAC4AMwAwADMAMQA5AFwAQQBkAGQASQBuAFAAcgBvAGMAZQBzAHMALgBlAHgAZQAgAC0ARgBvAHIAYwBlADsAIABBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAALQBFAHgAYwBsAHUAcwBpAG8AbgBQAHIAbwBjAGUAcwBzACAAQwA6AFwAVwBpAG4AZABvAHcAcwBcAE0AaQBjAHIAbwBzAG8AZgB0AC4ATgBFAFQAXABGAHIAYQBtAGUAdwBvAHIAawA2ADQAXAB2ADQALgAwAC4AMwAwADMAMQA5AFwAQQBkAGQASQBuAFAAcgBvAGMAZQBzAHMALgBlAHgAZQAsAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABSAG8AYQBtAGkAbgBnAFwAQwB1AHIAcgBlAG4AdABcAEEAYwB0AGkAdgBhAHQAaQBvAG4AQwBvAG4AdABlAHgAdAAuAGUAeABlAA==1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2316
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C:\Users\Admin\AppData\Roaming\Current\ActivationContext.exeC:\Users\Admin\AppData\Roaming\Current\ActivationContext.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3260 -
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe2⤵PID:4304
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
837KB
MD5ec0362e81436b8e7cccb93fa43220fdb
SHA1f4d7b2d844f995c8466aa13ff2f17aab052e14bc
SHA2563e4d82399a8774a79b23814dcae1ce2e38ac565241f0d78e6473269705d2d96c
SHA512cdd02d02cab7fc9ba7c7fab35cc35cbb29b2a40dbbf999dc2222c6449bb70522d91132c7476cb867e7320266d630b1f9d0541d11a076a64f00e426cb342e5700
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
5.1MB
MD571ee7a0d612a6530ccfd22c79bbf0695
SHA10e7413e80de750d661c132a0dd88c014dbfd2398
SHA2560412820e4dacf521808629f37fff8e32aa554c0d9096b7800921c8ae1cfcb0c5
SHA5120cf425fcb5468f16cf79b080e48de65918608842c38a194ce847f7624e66a5b2ede586dc5246ce4460ed006ec5058d4e659079a393914a6adee0e5e643347e0a