7637a79b952a2ab6568c9530b2a5fc8d42f333c3f9a96b4ae37ef5362c51319d

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 02:33

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General

Target

2024-09-06_44f05514b5a9e796401fcc7f02d931ed_cryptolocker.exe
Size

45KB
MD5

44f05514b5a9e796401fcc7f02d931ed
SHA1

57cde07fad75e4b84f3fda5b1e687d719b74810b
SHA256

7637a79b952a2ab6568c9530b2a5fc8d42f333c3f9a96b4ae37ef5362c51319d
SHA512

585718ee11972f16574595bfff29ac2062e0d32ca6b908b8c99662e74d3167baeef4666c040ba9a5c73d86df5f6d19416ce16e7119b55dea2de18fa5ecb4e505
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAP+4yt/:P6QFElP6k+MRQMOtEvwDpjBQpVX++/

Score

7^/10

discovery

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	2024-09-06_44f05514b5a9e796401fcc7f02d931ed_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3368	asih.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-06_44f05514b5a9e796401fcc7f02d931ed_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1588 wrote to memory of 3368	1588	2024-09-06_44f05514b5a9e796401fcc7f02d931ed_cryptolocker.exe	85
PID 1588 wrote to memory of 3368	1588	2024-09-06_44f05514b5a9e796401fcc7f02d931ed_cryptolocker.exe	85
PID 1588 wrote to memory of 3368	1588	2024-09-06_44f05514b5a9e796401fcc7f02d931ed_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-09-06_44f05514b5a9e796401fcc7f02d931ed_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-06_44f05514b5a9e796401fcc7f02d931ed_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1588
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3368

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
46KB

MD5
f6376fca0f74f446734277f3f9c947fb

SHA1
0b7b0cbe82b3ded421f0f230cd1ded26d0fcd958

SHA256
f546fcbd88982e1ba6574ff2277864f79a9b27e5550422e7ca345cf51717481e

SHA512
3044bee957725460bb522e34b61f8c5c245c67e74d4c6359799d3cf339434f6fed5eff0f176a62610a95989315c3f1f5468e075e89c71ae1d145ebcb32d4a862

Download Submit
memory/1588-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1588-1-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/1588-2-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/1588-3-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download
memory/1588-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3368-19-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/3368-25-0x0000000002140000-0x0000000002146000-memory.dmp

Filesize
24KB

Download
memory/3368-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download