e677b0fd5e35d5f603e1f3048756ac531f11007dde1a2650fc5c6a9f76849ef0

Analysis

max time kernel
64s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 07:38

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General

Target

2024-11-21_9ef30d679e336dc740fa4a52f62c3070_cryptolocker.exe
Size

35KB
MD5

9ef30d679e336dc740fa4a52f62c3070
SHA1

d9e05f7e1c173611e819e221a9fd96035b9b9ecc
SHA256

e677b0fd5e35d5f603e1f3048756ac531f11007dde1a2650fc5c6a9f76849ef0
SHA512

46c068722da2a18e80e295655f89e3b05934a2d09c097503dd3001630aba6e5e4e96ccf353b570a06f8107104155fca0bea04b317d0a52927cf4bcff49e3f280
SSDEEP

384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXuadQGE:bG74zYcgT/Ekd0ryfjHX

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

Processes:

2024-11-21_9ef30d679e336dc740fa4a52f62c3070_cryptolocker.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	2024-11-21_9ef30d679e336dc740fa4a52f62c3070_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

hasfj.exe

pid process

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

System Information Discovery
T1082

pid	process
512	hasfj.exe

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

Processes:

2024-11-21_9ef30d679e336dc740fa4a52f62c3070_cryptolocker.exehasfj.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-21_9ef30d679e336dc740fa4a52f62c3070_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hasfj.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-11-21_9ef30d679e336dc740fa4a52f62c3070_cryptolocker.exe

description	pid	process	target process
PID 2368 wrote to memory of 512	2368	2024-11-21_9ef30d679e336dc740fa4a52f62c3070_cryptolocker.exe	hasfj.exe
PID 2368 wrote to memory of 512	2368	2024-11-21_9ef30d679e336dc740fa4a52f62c3070_cryptolocker.exe	hasfj.exe
PID 2368 wrote to memory of 512	2368	2024-11-21_9ef30d679e336dc740fa4a52f62c3070_cryptolocker.exe	hasfj.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-21_9ef30d679e336dc740fa4a52f62c3070_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_9ef30d679e336dc740fa4a52f62c3070_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:512

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

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Downloads

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

Filesize
35KB

MD5
2f3e15ecd895f71d576a21dd12322b87

SHA1
768fdd3bbc0ad6570b9daf9798703618daf49e9f

SHA256
994564f9a4642e63272df79d524505feddf6965f7f2bed5747c5b78322fcd6ef

SHA512
cfad3e61c112ed50b30b2c4d008d21020a10866331e17e3073b993d7b1e45fd69f0725f4fe5864d7792d525d85d0daa45ce0bd9481873ef491da7147d4bb0c1b

Download Submit
memory/512-25-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/512-26-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2368-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2368-1-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/2368-2-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/2368-3-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/2368-17-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download