a1a2440e1544d04654c23bcde7b8e75ea244501b44963af2f1f26448eb999fb5

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29/03/2024, 03:45

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General

Target

2024-03-29_e46a4200ed64c154cf3fd82cbb38dce9_cryptolocker.exe
Size

91KB
MD5

e46a4200ed64c154cf3fd82cbb38dce9
SHA1

3e21042ddc67b983244ebe3d917e801b429f9009
SHA256

a1a2440e1544d04654c23bcde7b8e75ea244501b44963af2f1f26448eb999fb5
SHA512

2b21d017cf71eded900788ec5c47f7a2a5a09636e59b6571d630b38f686447440a8512444ad111d145e86d02880c09755707adaa0ea3bbce483715c026b231ab
SSDEEP

1536:vj+jsMQMOtEvwDpj5H8u8rBN6nqEZNi1OkQNmvz:vCjsIOtEvwDpj5H8zPse

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000800000001227d-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000800000001227d-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2128	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1916	2024-03-29_e46a4200ed64c154cf3fd82cbb38dce9_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 1916 wrote to memory of 2128	1916	2024-03-29_e46a4200ed64c154cf3fd82cbb38dce9_cryptolocker.exe	28
PID 1916 wrote to memory of 2128	1916	2024-03-29_e46a4200ed64c154cf3fd82cbb38dce9_cryptolocker.exe	28
PID 1916 wrote to memory of 2128	1916	2024-03-29_e46a4200ed64c154cf3fd82cbb38dce9_cryptolocker.exe	28
PID 1916 wrote to memory of 2128	1916	2024-03-29_e46a4200ed64c154cf3fd82cbb38dce9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-29_e46a4200ed64c154cf3fd82cbb38dce9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-29_e46a4200ed64c154cf3fd82cbb38dce9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2128

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
91KB

MD5
5282388439395b3a3b281c9b0d365bfa

SHA1
d65297659527d2298e6e6f11fc38cf886898d1f2

SHA256
56ea30f604fca1a9fa97e7e35e01e6812e6c70ea08fbe3fafff7eb67448a7380

SHA512
a1b06c83af97bac23224392ab3f386f7a7e4be30f5c1520f4cef8dc92cff01cee467b2727deba8f6f4e85293b550aaa1dea4d1b6fcd72b76bc852b5b35e35b7e

Download Submit
memory/1916-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1916-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/1916-4-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2128-16-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2128-15-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download