5ff3f27d80bc007a714ae5731ebe0363a05063950f7e16f5d1eb0cc474143b55

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
29/04/2024, 19:56

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General

Target

2024-04-29_c87d8fc8c7e2ce5763622e187f1a8f8e_cryptolocker.exe
Size

36KB
MD5

c87d8fc8c7e2ce5763622e187f1a8f8e
SHA1

f3a023d5b24f34c98a13e0acbcc4dd1c2e0de8e2
SHA256

5ff3f27d80bc007a714ae5731ebe0363a05063950f7e16f5d1eb0cc474143b55
SHA512

2146e2d75ea1f0098bf23b563e11ce92f2fae8cc85040bb8f6b408527bc0149357d315617263f650634d0ab9092d25db27d5cb0158f04dba8e72da23aec3ceb5
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4k:fT+hsMQMOtEvwDpjoIHk

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00080000000122bf-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x00080000000122bf-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2516	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1600	2024-04-29_c87d8fc8c7e2ce5763622e187f1a8f8e_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 1600 wrote to memory of 2516	1600	2024-04-29_c87d8fc8c7e2ce5763622e187f1a8f8e_cryptolocker.exe	28
PID 1600 wrote to memory of 2516	1600	2024-04-29_c87d8fc8c7e2ce5763622e187f1a8f8e_cryptolocker.exe	28
PID 1600 wrote to memory of 2516	1600	2024-04-29_c87d8fc8c7e2ce5763622e187f1a8f8e_cryptolocker.exe	28
PID 1600 wrote to memory of 2516	1600	2024-04-29_c87d8fc8c7e2ce5763622e187f1a8f8e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-29_c87d8fc8c7e2ce5763622e187f1a8f8e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-29_c87d8fc8c7e2ce5763622e187f1a8f8e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2516

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
36KB

MD5
3f761a9f791c10b90369718a7695646e

SHA1
6a7629a58ab982e788a903e2f97442ffb6b3bda2

SHA256
5a6b76bf3a21a0b77201e4fff9a135a973f64794bcef9c7de38434195f54a9cd

SHA512
d89f38b9b1740c26a88506276b1eb85631ee763b10407a0d24a9914cc08262ff485dd8437c0b19c67a19ec7318da36cba2b4b6483d33240cd55358ffee73ef4b

Download Submit
memory/1600-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1600-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/1600-8-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2516-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2516-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download