50153becdb6b6e8f55cba7bc67c705888ef3e04fd1b3baa8309d3b9997aa1986

Analysis

max time kernel
110s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
06/06/2024, 14:35

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General

Target

2024-06-06_bd2140a9c7a732d7d2ee38eb0a5f5f94_cryptolocker.exe
Size

38KB
MD5

bd2140a9c7a732d7d2ee38eb0a5f5f94
SHA1

8883cb9dcd0d8d1f90150b10465ead919f69b880
SHA256

50153becdb6b6e8f55cba7bc67c705888ef3e04fd1b3baa8309d3b9997aa1986
SHA512

be07890a6ec183afe181c85a32eda09b50c307419369c2c1523d27d8d140650b5da199fb8b531f3fb4ded5219312d804b663496d08734b9e8712eecc7d391161
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+41:fT+hsMQMOtEvwDpjoIH1

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012336-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012336-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2176	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2192	2024-06-06_bd2140a9c7a732d7d2ee38eb0a5f5f94_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 2192 wrote to memory of 2176	2192	2024-06-06_bd2140a9c7a732d7d2ee38eb0a5f5f94_cryptolocker.exe	28
PID 2192 wrote to memory of 2176	2192	2024-06-06_bd2140a9c7a732d7d2ee38eb0a5f5f94_cryptolocker.exe	28
PID 2192 wrote to memory of 2176	2192	2024-06-06_bd2140a9c7a732d7d2ee38eb0a5f5f94_cryptolocker.exe	28
PID 2192 wrote to memory of 2176	2192	2024-06-06_bd2140a9c7a732d7d2ee38eb0a5f5f94_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-06_bd2140a9c7a732d7d2ee38eb0a5f5f94_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-06_bd2140a9c7a732d7d2ee38eb0a5f5f94_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2176

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
38KB

MD5
43a6a935a22e87abf4888c0a1c76336d

SHA1
ae3377bec97e536471a339410ba1ec74a2b477b0

SHA256
cfd90bc6998d306a28780289bd48cf5490310f4ca239157daff864c497d44ca3

SHA512
f2a2fc34a05ce1a92fd1b59e76adbf1d01144935d7dc2506668b0203baa9feb0f2ef4f94dd18bf95301965edf271ff50fcd3fe2ac70124d6c9fa4e3738a697a8

Download Submit
memory/2192-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2192-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2192-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download