074b250aeb860088278d880e7a67847914ac7524468713cb2044e0c8df85e527

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2024, 03:52

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General

Target

2024-09-14_c5f0fa6a5074967d97e44c9ff9d1c125_cryptolocker.exe
Size

48KB
MD5

c5f0fa6a5074967d97e44c9ff9d1c125
SHA1

91d656dd4cb081720fefd76970ef943c84eb8f76
SHA256

074b250aeb860088278d880e7a67847914ac7524468713cb2044e0c8df85e527
SHA512

9fdc9db62ae5a8e2fb8e781fc6d5392e6c2e31ee70f4256b07e0d30f571bc5267b30e8a399c2a1400f3155e54cc74b9abd5d2c63e76c8c325f1e7b3428cde451
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPcL:P6QFElP6k+MRQMOtEvwDpjBQpVXr

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	2024-09-14_c5f0fa6a5074967d97e44c9ff9d1c125_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3636	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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-14_c5f0fa6a5074967d97e44c9ff9d1c125_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 3636	4920	2024-09-14_c5f0fa6a5074967d97e44c9ff9d1c125_cryptolocker.exe	85
PID 4920 wrote to memory of 3636	4920	2024-09-14_c5f0fa6a5074967d97e44c9ff9d1c125_cryptolocker.exe	85
PID 4920 wrote to memory of 3636	4920	2024-09-14_c5f0fa6a5074967d97e44c9ff9d1c125_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-09-14_c5f0fa6a5074967d97e44c9ff9d1c125_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-14_c5f0fa6a5074967d97e44c9ff9d1c125_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4920
- 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:3636

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
48KB

MD5
80a583adab806bef52b6e35a29a5780e

SHA1
653c9b6b48153cd3bb897e93869ab9de07e78b9d

SHA256
fa3f8935d252289ceae97b1f43735722d7efc5e50ab107ada7e0f3fbb5656d27

SHA512
d70364e40311b7c336d18e7bbab780c598a3b1cc34a54a33fdcb3a145214ad4bd4c4f81194fa1ba98e75d8be9b6acf16f0d27f4e0ac6c9e84cbedc48282ff79c

Download Submit
memory/3636-19-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/3636-20-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/3636-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4920-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4920-1-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/4920-2-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/4920-3-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/4920-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download