eb8cd4f22df31e24393b2c7cf2977dfc8a46d4c2d01a936a04d8d2a81ae236ee

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
30/04/2024, 18:54

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General

Target

2024-04-30_aabd72afdb5922dc98c17902caa54a91_cryptolocker.exe
Size

47KB
MD5

aabd72afdb5922dc98c17902caa54a91
SHA1

42f1ebaa4a94e0a5205a969ca22bc10e340e38f4
SHA256

eb8cd4f22df31e24393b2c7cf2977dfc8a46d4c2d01a936a04d8d2a81ae236ee
SHA512

a1968732e93b69b69525c98b053bfbac2120630860b72e0204c52097a2c30a63e0be2f344e36e7bbaab5219e54fb1a6c48796f45f5f45ff7673013134a6cce4d
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0nz:vj+jsMQMOtEvwDpj5HczerLO04BI

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001470b-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001470b-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2976	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2952	2024-04-30_aabd72afdb5922dc98c17902caa54a91_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 2952 wrote to memory of 2976	2952	2024-04-30_aabd72afdb5922dc98c17902caa54a91_cryptolocker.exe	28
PID 2952 wrote to memory of 2976	2952	2024-04-30_aabd72afdb5922dc98c17902caa54a91_cryptolocker.exe	28
PID 2952 wrote to memory of 2976	2952	2024-04-30_aabd72afdb5922dc98c17902caa54a91_cryptolocker.exe	28
PID 2952 wrote to memory of 2976	2952	2024-04-30_aabd72afdb5922dc98c17902caa54a91_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-30_aabd72afdb5922dc98c17902caa54a91_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-30_aabd72afdb5922dc98c17902caa54a91_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2952
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2976

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

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Downloads

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

Filesize
48KB

MD5
c81fcd7ab5b60fab3a3934365c98e507

SHA1
ca0f56adbbb6b7293bc7677bad3b82996c0b4639

SHA256
ba669e596763aafdfba9cb65166cb090650c024da600380f88503fb0b96faf60

SHA512
fe61343460709d257a9f5412fc6d5ab387092fa14acf502a17c2d5c22810bc7f952cd45423db43d432a874f2f494cae380b40018976318c06152ffaab1cd64ec

Download Submit
memory/2952-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2952-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2952-8-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2976-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2976-21-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download