2c0c9c8f20855c0f69df50a9e4549204e221e4d3428bf910ba4398e84e6b0671

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
23/04/2024, 03:43

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General

Target

2024-04-23_785326aec3ddb17d1c53379bf3d1b3ce_cryptolocker.exe
Size

129KB
MD5

785326aec3ddb17d1c53379bf3d1b3ce
SHA1

ea812032b940a4e7fc855aa479a8b1594e4ab10a
SHA256

2c0c9c8f20855c0f69df50a9e4549204e221e4d3428bf910ba4398e84e6b0671
SHA512

e5721414fa1e6e9cc15478643be03e46daccaf7c8cc2297747a74ec65fdca038e104caf66eb2a3c4da78c4645140302cd4a7c3a782c7a6a77aa17edd4bd2318c
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//LIT4N:vCjsIOtEvwDpj5H9YvQd2Rh

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012236-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012236-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3012	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1624	2024-04-23_785326aec3ddb17d1c53379bf3d1b3ce_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 1624 wrote to memory of 3012	1624	2024-04-23_785326aec3ddb17d1c53379bf3d1b3ce_cryptolocker.exe	28
PID 1624 wrote to memory of 3012	1624	2024-04-23_785326aec3ddb17d1c53379bf3d1b3ce_cryptolocker.exe	28
PID 1624 wrote to memory of 3012	1624	2024-04-23_785326aec3ddb17d1c53379bf3d1b3ce_cryptolocker.exe	28
PID 1624 wrote to memory of 3012	1624	2024-04-23_785326aec3ddb17d1c53379bf3d1b3ce_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-23_785326aec3ddb17d1c53379bf3d1b3ce_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-23_785326aec3ddb17d1c53379bf3d1b3ce_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3012

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
129KB

MD5
cea50d2bf146ba6fead5430f3d0fa145

SHA1
75e6706a6b32d5d631fec1a673467efeaef46993

SHA256
f422f055e8a6afdcf4267ff135c9ca24bda19de370a94ca597b02f74207a68ef

SHA512
de6a2769bba6e07363997d27899aaa775888ac77fb37fdc7fbdbc1f7f1c2590819d490e7939ac24306e9a0e0bfa28f6795cc8abcf6ba672ade745a5e527e8449

Download Submit
memory/1624-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1624-1-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1624-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3012-15-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/3012-19-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download