ba980f65ba3792c07de4c0e4ff1a817d21c9b587b5b0990227c7920a1e9e206b

Analysis

max time kernel
138s
max time network
182s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2022, 02:28

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General

Target

ba980f65ba3792c07de4c0e4ff1a817d21c9b587b5b0990227c7920a1e9e206b.exe
Size

28KB
MD5

cf30cadcc6f0c10f10a0419fda865327
SHA1

7ebf460c9a5eab25a80916921c3c86009f4228f3
SHA256

ba980f65ba3792c07de4c0e4ff1a817d21c9b587b5b0990227c7920a1e9e206b
SHA512

4dd39a99c1098e5bc4be69c735f4ef5109c7eee7359a409e4e46e7bb40a843d50c5a3f16ce4615c250056473553a2dc92baf350a38759cd1b96e143312fe5cfa
SSDEEP

384:tO7wbQPHeUNqrQJdZWUheXM9US61RtDw4nUbQC+:tOxHnfFwzXB4+

Score

8^/10

evasion

Malware Config

Signatures

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	reg.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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	ba980f65ba3792c07de4c0e4ff1a817d21c9b587b5b0990227c7920a1e9e206b.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\tempfile.jpg	ba980f65ba3792c07de4c0e4ff1a817d21c9b587b5b0990227c7920a1e9e206b.exe
File created	C:\Windows\battemp.bat	ba980f65ba3792c07de4c0e4ff1a817d21c9b587b5b0990227c7920a1e9e206b.exe
File opened for modification	C:\Windows\tempeje.exe	ba980f65ba3792c07de4c0e4ff1a817d21c9b587b5b0990227c7920a1e9e206b.exe

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

System Information Discovery
T1082

Modifies registry key 1 TTPs 2 IoCs

Modify Registry

T1112

pid	Process
3484	reg.exe
1112	reg.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2076	ba980f65ba3792c07de4c0e4ff1a817d21c9b587b5b0990227c7920a1e9e206b.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 2384	2076	ba980f65ba3792c07de4c0e4ff1a817d21c9b587b5b0990227c7920a1e9e206b.exe	89
PID 2076 wrote to memory of 2384	2076	ba980f65ba3792c07de4c0e4ff1a817d21c9b587b5b0990227c7920a1e9e206b.exe	89
PID 2076 wrote to memory of 2384	2076	ba980f65ba3792c07de4c0e4ff1a817d21c9b587b5b0990227c7920a1e9e206b.exe	89
PID 2384 wrote to memory of 3484	2384	cmd.exe	91
PID 2384 wrote to memory of 3484	2384	cmd.exe	91
PID 2384 wrote to memory of 3484	2384	cmd.exe	91
PID 2384 wrote to memory of 1112	2384	cmd.exe	92
PID 2384 wrote to memory of 1112	2384	cmd.exe	92
PID 2384 wrote to memory of 1112	2384	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\ba980f65ba3792c07de4c0e4ff1a817d21c9b587b5b0990227c7920a1e9e206b.exe
"C:\Users\Admin\AppData\Local\Temp\ba980f65ba3792c07de4c0e4ff1a817d21c9b587b5b0990227c7920a1e9e206b.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Windows\battemp.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2384
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 1 /F
    3⤵
    - Disables RegEdit via registry modification
    - Modifies registry key
    PID:3484
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /F
    3⤵
    - Modifies registry key
    PID:1112

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\battemp.bat

Filesize
256B

MD5
8214bcaa0c917e60f9bbef8b865f0f26

SHA1
340946ae2b1ebf7ec45f7884488af5004f4b9f0f

SHA256
4cd9ce47757c0a2a3d750e96c1abb1f5dbba5301c73c4b29416248cb2c9e39f0

SHA512
bfe80e6376edfb115c1fa96e704c5ef4e7c0a6baec83531ba96eb1cc0cb09e5355254cd2882241dd1e527121105ec26b8d9d2241ffa4872a331f4ebbacb464ff

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