7e8ff6d5827bb1e753b4dd00a181c0e47676597367f68737a807eea54c4d321e

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26/03/2024, 03:45

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-03-26_70de09f094cd320e06b6e2c69533c33d_cryptolocker.exe
Size

68KB
MD5

70de09f094cd320e06b6e2c69533c33d
SHA1

f72288f22608bf858fa4a882eadcd6231a906f33
SHA256

7e8ff6d5827bb1e753b4dd00a181c0e47676597367f68737a807eea54c4d321e
SHA512

4adf8abaf7892c51b7e262402c06416a3d9068d6bcf4492f5c7edcd3f09af846ae7952d860cb46d75ac497fc6a01521e8ee8953a867ade5628e4307b6f43409b
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3hvLcbVpkB:ZVxkGOtEvwDpjcawU

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023238-13.dat	CryptoLocker_rule2

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-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation	2024-03-26_70de09f094cd320e06b6e2c69533c33d_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2616	misid.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 3676 wrote to memory of 2616	3676	2024-03-26_70de09f094cd320e06b6e2c69533c33d_cryptolocker.exe	88
PID 3676 wrote to memory of 2616	3676	2024-03-26_70de09f094cd320e06b6e2c69533c33d_cryptolocker.exe	88
PID 3676 wrote to memory of 2616	3676	2024-03-26_70de09f094cd320e06b6e2c69533c33d_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-03-26_70de09f094cd320e06b6e2c69533c33d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-26_70de09f094cd320e06b6e2c69533c33d_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3676
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2616

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

Loading Replay Monitor...

Downloads

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

Filesize
68KB

MD5
d50041e082594835c13bf54fe6d73f16

SHA1
3bec208d4f5318f4b4d61c1d1ba3ef57f69f0b6a

SHA256
60741844efcfa706297260ab87b03c60daf0140ec1482d2b609a3298a63f3fc5

SHA512
1d6e74cfa0b721930393a831a70c3f4e987942b9b8839cf04c9b6adc753cb1c8b9a63e6a8779185e5adb6c17a7556b734089f74fecdd5016218d235025e76a54

Download Submit
memory/2616-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/2616-20-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/2616-22-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/3676-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/3676-1-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/3676-2-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/3676-3-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/3676-19-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download