3b750457014b1ca5bd1dbd1d72c038b261084c250f71ee2e06a633da2623ca33

Analysis

max time kernel
158s
max time network
177s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 05:51

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General

Target

2024-01-09_2eb70fb3d84e961d34bb707d74ffbdf9_cryptolocker.exe
Size

54KB
MD5

2eb70fb3d84e961d34bb707d74ffbdf9
SHA1

b5cb869c433564c44608b3e6032f2dba411b010c
SHA256

3b750457014b1ca5bd1dbd1d72c038b261084c250f71ee2e06a633da2623ca33
SHA512

33bbdf55b57f566623ab6387f4e73a305477ef5924a9d629d028291f94544494107fa119cbf0f9b0357b2e1d7c5c4ba8dcafb1687262364fb25ea69c0e7529b4
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHJ:btng54SMLr+/AO/kIhfoKMHdA

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	2024-01-09_2eb70fb3d84e961d34bb707d74ffbdf9_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	gewos.exe

Executes dropped EXE 1 IoCs

pid	Process
3244	gewos.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 3244	4456	2024-01-09_2eb70fb3d84e961d34bb707d74ffbdf9_cryptolocker.exe	96
PID 4456 wrote to memory of 3244	4456	2024-01-09_2eb70fb3d84e961d34bb707d74ffbdf9_cryptolocker.exe	96
PID 4456 wrote to memory of 3244	4456	2024-01-09_2eb70fb3d84e961d34bb707d74ffbdf9_cryptolocker.exe	96

C:\Users\Admin\AppData\Local\Temp\2024-01-09_2eb70fb3d84e961d34bb707d74ffbdf9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-09_2eb70fb3d84e961d34bb707d74ffbdf9_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4456
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:3244

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\Local\Temp\gewos.exe

Filesize
55KB

MD5
23ed784fe2f9045bb65fe72637224294

SHA1
1f77f1396a4d4400aae8e69a7290d0a8d8bfb297

SHA256
898486eb9e4ad3799bf7e98ba714fe0d5138ff92a8362a1a5f7fed4cfb6b3b1e

SHA512
29a0503d333d3129051ae30ed734c4376fe1a718a15c8d6856b55c500e52cbde756def5b3881a953da178359bcb60e3b518510830800bd14b1c6b663671bc111

Download Submit
memory/3244-20-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/4456-0-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/4456-1-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/4456-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download