77cc9a366157f9e2fd06dc8a7f7f7afd3bbc7196e924199ad13489e6c9969ada

Analysis

max time kernel
150s
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, 18:55

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General

Target

2024-04-30_ae7b63364a6527707694703cf170afb3_cryptolocker.exe
Size

36KB
MD5

ae7b63364a6527707694703cf170afb3
SHA1

ab2136ea19a620beb93b209434e499a75d6f9eb1
SHA256

77cc9a366157f9e2fd06dc8a7f7f7afd3bbc7196e924199ad13489e6c9969ada
SHA512

e7f4c9b7623cbe40bcdf21c60ae324698afac16a7d84d46a23a77973e717e0388a4c42698d0854837988c901e1f6a1118fe802c74a062edbb5154ee1e9f49c89
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+40L:fT+hsMQMOtEvwDpjoIH4

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000f000000012334-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000f000000012334-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2272	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2400	2024-04-30_ae7b63364a6527707694703cf170afb3_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 2400 wrote to memory of 2272	2400	2024-04-30_ae7b63364a6527707694703cf170afb3_cryptolocker.exe	28
PID 2400 wrote to memory of 2272	2400	2024-04-30_ae7b63364a6527707694703cf170afb3_cryptolocker.exe	28
PID 2400 wrote to memory of 2272	2400	2024-04-30_ae7b63364a6527707694703cf170afb3_cryptolocker.exe	28
PID 2400 wrote to memory of 2272	2400	2024-04-30_ae7b63364a6527707694703cf170afb3_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-30_ae7b63364a6527707694703cf170afb3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-30_ae7b63364a6527707694703cf170afb3_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2272

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
7cc713bbae8c0072c72962723203dd7b

SHA1
50c16deb4d4638355110f49f136b46ab313e5ff7

SHA256
6f912c500dd12adcb62900f8c7912670fa16017d7a11c330a8200843e98c4270

SHA512
7db358f579d428f8d491c498394d22f429e8177a3e024799db92ffbbe850e403a8d86d0ccfe8b88d00470c581b292e075f86568dc0ff83922144f1b32ac44acc

Download Submit
memory/2272-15-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/2272-22-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2400-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2400-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2400-2-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download