8c914f47bf2616f38329e1e6366086c8cc3d2feddf69a1afa66194455d2bf816

Analysis

max time kernel
153s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
18/03/2024, 14:43

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General

Target

d3c4013a9bdaeee02ef2bf097a88085b.exe
Size

380KB
MD5

d3c4013a9bdaeee02ef2bf097a88085b
SHA1

55a9df1d6ccc19fd0b6e59b3c6803016b8039c4b
SHA256

8c914f47bf2616f38329e1e6366086c8cc3d2feddf69a1afa66194455d2bf816
SHA512

6e912591c4d2dc67d4f19f0e47135d89b956135abb9bada088678083a8dfc2d6a2d8b9dbf0f4521d95c16406706d82c2561fbc858d1a925a862479213af1d47d
SSDEEP

6144:Qj2g815mgXmiqqLc8UIjP2h64VJRL1AtE0Z6j5GVlWcKCHTsYzJG8wPOIbsQgml:tgE8gWiM8UITV4VJ5VjCHTnGpPPxgml

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	d3c4013a9bdaeee02ef2bf097a88085b.exe

Executes dropped EXE 1 IoCs

pid	Process
3200	micvuvs.exe

Loads dropped DLL 1 IoCs

pid	Process
3200	micvuvs.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4848	4632	WerFault.exe	93
4000	3200	WerFault.exe	108

Kills process with taskkill 1 IoCs

evasion

pid	Process
2088	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2448	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2088	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4632 wrote to memory of 4272	4632	d3c4013a9bdaeee02ef2bf097a88085b.exe	104
PID 4632 wrote to memory of 4272	4632	d3c4013a9bdaeee02ef2bf097a88085b.exe	104
PID 4632 wrote to memory of 4272	4632	d3c4013a9bdaeee02ef2bf097a88085b.exe	104
PID 4272 wrote to memory of 2088	4272	cmd.exe	106
PID 4272 wrote to memory of 2088	4272	cmd.exe	106
PID 4272 wrote to memory of 2088	4272	cmd.exe	106
PID 4272 wrote to memory of 2448	4272	cmd.exe	107
PID 4272 wrote to memory of 2448	4272	cmd.exe	107
PID 4272 wrote to memory of 2448	4272	cmd.exe	107
PID 4272 wrote to memory of 3200	4272	cmd.exe	108
PID 4272 wrote to memory of 3200	4272	cmd.exe	108
PID 4272 wrote to memory of 3200	4272	cmd.exe	108

C:\Users\Admin\AppData\Local\Temp\d3c4013a9bdaeee02ef2bf097a88085b.exe
"C:\Users\Admin\AppData\Local\Temp\d3c4013a9bdaeee02ef2bf097a88085b.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4632
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4632 -s 500
  2⤵
  - Program crash
  PID:4848
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 4632 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\d3c4013a9bdaeee02ef2bf097a88085b.exe" & start C:\Users\Admin\AppData\Local\micvuvs.exe -f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4272
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 4632
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2088
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:2448
- - C:\Users\Admin\AppData\Local\micvuvs.exe
    C:\Users\Admin\AppData\Local\micvuvs.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:3200
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3200 -s 512
      4⤵
      Program crash
      PID:4000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4632 -ip 4632
1⤵
PID:2204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3200 -ip 3200
1⤵
PID:1376

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4076 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:8
1⤵
PID:548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\micvuvs.exe

Filesize
380KB

MD5
d3c4013a9bdaeee02ef2bf097a88085b

SHA1
55a9df1d6ccc19fd0b6e59b3c6803016b8039c4b

SHA256
8c914f47bf2616f38329e1e6366086c8cc3d2feddf69a1afa66194455d2bf816

SHA512
6e912591c4d2dc67d4f19f0e47135d89b956135abb9bada088678083a8dfc2d6a2d8b9dbf0f4521d95c16406706d82c2561fbc858d1a925a862479213af1d47d

Download Submit
memory/3200-12-0x00000000004A0000-0x00000000004A2000-memory.dmp

Filesize
8KB

Download
memory/3200-14-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/3200-18-0x00000000004A0000-0x00000000004A2000-memory.dmp

Filesize
8KB

Download
memory/4632-0-0x00000000005C0000-0x00000000005C2000-memory.dmp

Filesize
8KB

Download
memory/4632-1-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/4632-4-0x00000000005B0000-0x00000000005B2000-memory.dmp

Filesize
8KB

Download
memory/4632-6-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/4632-8-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download