1bbe85bf48fb294ca159d2180ca996948d6ebee0cfbe85831bcca0ed72c6860c

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15/10/2024, 04:22

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General

Target

2024-10-15_021b06f66612842e0b7847934a07ca79_cryptolocker.exe
Size

37KB
MD5

021b06f66612842e0b7847934a07ca79
SHA1

4c9569423dc60f2b8754cdc7a361229ce5ddad21
SHA256

1bbe85bf48fb294ca159d2180ca996948d6ebee0cfbe85831bcca0ed72c6860c
SHA512

17d8f459d4226ff9162efbb00bc4c86de71cb256025965ab6fe496fb16356e2a6667956db655149fa1675587ef571b79d1f486bba098af36782a9acf8eefe04e
SSDEEP

768:b7o/2n1TCraU6GD1a4Xt9bRU6zA6o36mIx:bc/y2lLRU6zA6qK

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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	2024-10-15_021b06f66612842e0b7847934a07ca79_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3124	rewok.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	rewok.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-15_021b06f66612842e0b7847934a07ca79_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5060 wrote to memory of 3124	5060	2024-10-15_021b06f66612842e0b7847934a07ca79_cryptolocker.exe	87
PID 5060 wrote to memory of 3124	5060	2024-10-15_021b06f66612842e0b7847934a07ca79_cryptolocker.exe	87
PID 5060 wrote to memory of 3124	5060	2024-10-15_021b06f66612842e0b7847934a07ca79_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-10-15_021b06f66612842e0b7847934a07ca79_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-15_021b06f66612842e0b7847934a07ca79_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5060
- C:\Users\Admin\AppData\Local\Temp\rewok.exe
  "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3124

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\rewok.exe

Filesize
37KB

MD5
6c0edad9eba586bf001b636ee4959493

SHA1
813ad05df581cab1814b6518e22dfbbc510748f3

SHA256
034af8a1978fae7bc0d643e67d3c78ff360684a73d5ecd0f3fb6f72514d2d866

SHA512
0dc053de294f1f1a30221adac7cf41774728921f0073632bf1e1895681f0ee8fe9ca651854428581a6094a2fc90d87f4886eb07e84eadc0977ceb96a1337668e

Download Submit
memory/3124-19-0x0000000002120000-0x0000000002126000-memory.dmp

Filesize
24KB

Download
memory/5060-1-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/5060-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/5060-0-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download