4f06a5711862e4774742d3f578c9e0f00a389a7110bcdad69f45e45da0c25051

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
26/01/2024, 21:22

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General

Target

2024-01-26_32c7b92fe7faee66936391bd1bb9e69b_cryptolocker.exe
Size

46KB
MD5

32c7b92fe7faee66936391bd1bb9e69b
SHA1

11c0446ef4b91db2f9cc10597f74423106e94b54
SHA256

4f06a5711862e4774742d3f578c9e0f00a389a7110bcdad69f45e45da0c25051
SHA512

d672bfa461827e763b073513e05089b06a00ecb016505abd4b61b918b0534e32b3b7fade375deff6b48abe0214762e202f2c1bf62eda6a21a598583acce1da61
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/hD8:bgGYcA/53GAA6y37nbY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d0000000122a8-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1836	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2268	2024-01-26_32c7b92fe7faee66936391bd1bb9e69b_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 2268 wrote to memory of 1836	2268	2024-01-26_32c7b92fe7faee66936391bd1bb9e69b_cryptolocker.exe	28
PID 2268 wrote to memory of 1836	2268	2024-01-26_32c7b92fe7faee66936391bd1bb9e69b_cryptolocker.exe	28
PID 2268 wrote to memory of 1836	2268	2024-01-26_32c7b92fe7faee66936391bd1bb9e69b_cryptolocker.exe	28
PID 2268 wrote to memory of 1836	2268	2024-01-26_32c7b92fe7faee66936391bd1bb9e69b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-26_32c7b92fe7faee66936391bd1bb9e69b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-26_32c7b92fe7faee66936391bd1bb9e69b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:1836

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\hasfj.exe

Filesize
46KB

MD5
8d47f25d72526df1d6643e332cd9aa8d

SHA1
44c64c2b6f77fdc7946d426e20e372c363be6f90

SHA256
9068a1c55760dd8bfb16110208d5476da199f143e92e6408d96bb2a7324f39ee

SHA512
227dcce49332e64af2b0d1ea0fbeba9239513dd558b06c50d2d936fbfc228f824b5766cfbde8543d6ef1328226620cd4fbc86a0f9dc6cd483511d1b6646f61bf

Download Submit
memory/1836-15-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1836-19-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2268-0-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2268-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2268-8-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download