8344690f025846a5a0dcf5d6012a94cddcfe48ffcc06fa6d566bb4ef149e6716 | Triage™

Analysis

max time kernel
123s
max time network
156s
platform
windows7_x64
resource
win7v20210408
submitted
26/08/2021, 20:09

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General

Target
vbc.exe
Size 368KB
Sample210826-lq4925bmea
SHA256 8344690f025846a5a0dcf5d6012a94cddcfe48ffcc06fa6d566bb4ef149e6716
MD5 1a9b723ad3703350f874e3ecc0d73173
SHA1 6aaf42d92be9e9316cec163aefe5211010ad7c65
SHA512 feb49bbf752ce0c97b57de9bde016cb5a5a15fa527757f2626f35bc357af2d40cce0e01973443ee5a7cdb6bb024a073e798e832c2367f0afebca880bc16b2a35
MD5 SHA1 SHA512

Score

7^/10

Malware Config

Signatures

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	vbc.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	vbc.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1648	vbc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 1488	1648	vbc.exe	31
PID 1648 wrote to memory of 1488	1648	vbc.exe	31
PID 1648 wrote to memory of 1488	1648	vbc.exe	31
PID 1648 wrote to memory of 1488	1648	vbc.exe	31
PID 1648 wrote to memory of 1488	1648	vbc.exe	31

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
1⤵
- Modifies system certificate store
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
  2⤵
  PID:1488

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Scripting

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1648-60-0x0000000076641000-0x0000000076643000-memory.dmp

Download

memory/1648-61-0x00000000025D0000-0x00000000025D1000-memory.dmp

Download

memory/1648-62-0x0000000004DE0000-0x0000000004DE2000-memory.dmp

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