5245e31ff846026b8ec2a65d94ff2320285acaa2a43fc9986e451718b4d5e6fd

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/05/2024, 18:23

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General

Target

2024-05-10_28080e375952b00b861eb5812885d5a9_cryptolocker.exe
Size

48KB
MD5

28080e375952b00b861eb5812885d5a9
SHA1

156df44b976d61c6626a28d4ab610f7bf75072aa
SHA256

5245e31ff846026b8ec2a65d94ff2320285acaa2a43fc9986e451718b4d5e6fd
SHA512

9fb97a8fb2719373aea262c436db917f03a80190551bf3ba43f6f7a30e6f40c8e53fb79380260946d0936d1ecad25533a5d61441d75b535e3a34ac222cf0ec1f
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0ncb:vj+jsMQMOtEvwDpj5HczerLO04B/b

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a0000000122b8-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a0000000122b8-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1684	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
360	2024-05-10_28080e375952b00b861eb5812885d5a9_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 360 wrote to memory of 1684	360	2024-05-10_28080e375952b00b861eb5812885d5a9_cryptolocker.exe	28
PID 360 wrote to memory of 1684	360	2024-05-10_28080e375952b00b861eb5812885d5a9_cryptolocker.exe	28
PID 360 wrote to memory of 1684	360	2024-05-10_28080e375952b00b861eb5812885d5a9_cryptolocker.exe	28
PID 360 wrote to memory of 1684	360	2024-05-10_28080e375952b00b861eb5812885d5a9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-10_28080e375952b00b861eb5812885d5a9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-10_28080e375952b00b861eb5812885d5a9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:360
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1684

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
48KB

MD5
cceb8c6c7bb439ba754685eb68d5eac5

SHA1
9d4f15d111c54f298c2edf63b629ae35c959ca48

SHA256
873f5de587a8256a5668579968f6d2b17d20e35403ab7618d82e2248c0bc8a4a

SHA512
e088dc53ef55dc3f149a4185221a8046f60dc5c46c21a988b4472cab10d24c5516f5d244e57722ae73e3f9c053054bbeb253bd38f7bda6c2b882b7b722bb8650

Download Submit
memory/360-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/360-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/360-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1684-15-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download