501317a60d63bac59b9cc6994cd4d03207a929ab689939d062635656b4ed8231

Analysis

max time kernel
105s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
26-08-2022 06:32

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General

Target

CjYrWNZyEcMBBMa.exe
Size

143KB
MD5

8bb5a008412477ca9ccaec82ee6dd6a7
SHA1

1bd59951c56e68f91b2f510275c6276c4484411b
SHA256

a440e693962c333be050ef7ba0f9b5cbeac959d149a5f5b4d299197fb9415133
SHA512

3bbe3dba440811f1c8bdb3656f15c69f317cc957e9977ac17ccba4670d3cf5ecbd248aebbe476bb51e836710e12aea8959c9dc50f30490b8112d49eb6dc98d4d
SSDEEP

3072:9uO/rZAi3Tqn2ZiaPiJcuy/CBzjYqqKb33wqwwIaICM:w6dQ2Ziamcu8K8KbP

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3680	Host.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Control Panel\International\Geo\Nation	CjYrWNZyEcMBBMa.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 3680	2044	CjYrWNZyEcMBBMa.exe	83
PID 2044 wrote to memory of 3680	2044	CjYrWNZyEcMBBMa.exe	83
PID 2044 wrote to memory of 3680	2044	CjYrWNZyEcMBBMa.exe	83

C:\Users\Admin\AppData\Local\Temp\CjYrWNZyEcMBBMa.exe
"C:\Users\Admin\AppData\Local\Temp\CjYrWNZyEcMBBMa.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Users\Admin\AppData\Roaming\Install\Host.exe
  "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
  2⤵
  - Executes dropped EXE
  PID:3680

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

C:\Users\Admin\AppData\Roaming\Install\Host.exe

Filesize
143KB

MD5
8bb5a008412477ca9ccaec82ee6dd6a7

SHA1
1bd59951c56e68f91b2f510275c6276c4484411b

SHA256
a440e693962c333be050ef7ba0f9b5cbeac959d149a5f5b4d299197fb9415133

SHA512
3bbe3dba440811f1c8bdb3656f15c69f317cc957e9977ac17ccba4670d3cf5ecbd248aebbe476bb51e836710e12aea8959c9dc50f30490b8112d49eb6dc98d4d

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C:\Users\Admin\AppData\Roaming\Install\Host.exe

Filesize
143KB

MD5
8bb5a008412477ca9ccaec82ee6dd6a7

SHA1
1bd59951c56e68f91b2f510275c6276c4484411b

SHA256
a440e693962c333be050ef7ba0f9b5cbeac959d149a5f5b4d299197fb9415133

SHA512
3bbe3dba440811f1c8bdb3656f15c69f317cc957e9977ac17ccba4670d3cf5ecbd248aebbe476bb51e836710e12aea8959c9dc50f30490b8112d49eb6dc98d4d

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