2af4c3ab6270ba1bba01d8bb945089927939c4452e70c22162ba208e86e3ff33

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
20/05/2024, 04:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-05-20_05eeffd82712f7b5321ee3d1f953b3a1_cryptolocker.exe
Size

38KB
MD5

05eeffd82712f7b5321ee3d1f953b3a1
SHA1

eafeb715406a9ab392fe4fd6454fe2a3065d7eab
SHA256

2af4c3ab6270ba1bba01d8bb945089927939c4452e70c22162ba208e86e3ff33
SHA512

326f000746e09226720ee7a05f455a962e537c34ef472ad09005a5a4ff652a8dbc66cf641ead03ef80fe1c0348fa142c05d4766485f900ad0f4dcc2428e2aae4
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/UkRYzMAZ+Nq:vj+jsMQMOtEvwDpj5HcSYP3

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001226b-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001226b-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1940	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2848	2024-05-20_05eeffd82712f7b5321ee3d1f953b3a1_cryptolocker.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 1940	2848	2024-05-20_05eeffd82712f7b5321ee3d1f953b3a1_cryptolocker.exe	28
PID 2848 wrote to memory of 1940	2848	2024-05-20_05eeffd82712f7b5321ee3d1f953b3a1_cryptolocker.exe	28
PID 2848 wrote to memory of 1940	2848	2024-05-20_05eeffd82712f7b5321ee3d1f953b3a1_cryptolocker.exe	28
PID 2848 wrote to memory of 1940	2848	2024-05-20_05eeffd82712f7b5321ee3d1f953b3a1_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-20_05eeffd82712f7b5321ee3d1f953b3a1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-20_05eeffd82712f7b5321ee3d1f953b3a1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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
38KB

MD5
2e7d0f0894454d600b3333576443d234

SHA1
3cb2923c58655386bdfc8c040db7d57d6da39cff

SHA256
6136559a909631be067b4e4ebd511d9611d6cffae5e62eab428fc343353609e0

SHA512
e9520f5b89fa662fcbcdcc6130a62736a4f3149bb87867ff3ddd13b84a8b60b9a79b3f34e9a9a2f2bfcc316c279876f250efd791ad0300a5e11baeaac6b285dc

Download Submit
memory/1940-15-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/1940-22-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2848-7-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2848-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2848-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download