2ced9b36b931b73b1d325bececd01f0e4fa6bd0fff98f8b76f2f45b473311cd0

Analysis

max time kernel
152s
max time network
46s
platform
windows7_x64
resource
win7-20220414-en
submitted
26-06-2022 06:21

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General

Target

zxcvb.exe
Size

768KB
MD5

63645a9e1f5e77ba3c75366f3a14ab87
SHA1

ed1497c47dc283118bbc57d49cd9f354785cf73d
SHA256

2ced9b36b931b73b1d325bececd01f0e4fa6bd0fff98f8b76f2f45b473311cd0
SHA512

4efce16194322c1288603ccd4ab6507fa5905debb137ce9b200e7a76e2c041c2d2aa720061b0679f2dfb5c21a668e12fe5eeb5fe99542f5a88d4bcdf103296f0

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

zxcvb.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Control Panel\International\Geo\Nation	zxcvb.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid	Process
2016	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

zxcvb.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	960	zxcvb.exe
Token: SeDebugPrivilege	2016	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

zxcvb.exe

description	pid	Process	procid_target
PID 960 wrote to memory of 2016	960	zxcvb.exe	26
PID 960 wrote to memory of 2016	960	zxcvb.exe	26
PID 960 wrote to memory of 2016	960	zxcvb.exe	26
PID 960 wrote to memory of 2016	960	zxcvb.exe	26

C:\Users\Admin\AppData\Local\Temp\zxcvb.exe
"C:\Users\Admin\AppData\Local\Temp\zxcvb.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:960
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwADsAIABTAGUAdAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAALQBFAHgAYwBsAHUAcwBpAG8AbgBQAGEAdABoACAAJwBDADoAXAAnAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2016

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/960-54-0x00000000001E0000-0x00000000002A6000-memory.dmp

Filesize
792KB

Download
memory/960-55-0x0000000004780000-0x0000000004842000-memory.dmp

Filesize
776KB

Download
memory/960-56-0x0000000004840000-0x000000000488C000-memory.dmp

Filesize
304KB

Download
memory/2016-57-0x0000000000000000-mapping.dmp

Download
memory/2016-58-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

Filesize
8KB

Download
memory/2016-59-0x000000006FE70000-0x000000007041B000-memory.dmp

Filesize
5.7MB

Download
memory/2016-60-0x000000006FE70000-0x000000007041B000-memory.dmp

Filesize
5.7MB

Download