9683cb48eb4f0082d0560835d6273c2e795ffcbef85bbb73fbadcc2705d50851

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24-01-2024 07:52

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General

Target

2024-01-24_fe0d194ad04154e07ef0732ba1d8a9ea_cryptolocker.exe
Size

96KB
MD5

fe0d194ad04154e07ef0732ba1d8a9ea
SHA1

aff6d4745c22d4d912d7ff28a7462cee5cf0e179
SHA256

9683cb48eb4f0082d0560835d6273c2e795ffcbef85bbb73fbadcc2705d50851
SHA512

c3f63c6076beebc09fe92af38a58a751c21669d031a1b69d415f262033834d35fc48b2237fbfc3d62cc0d63274fa176750f0a233b3aecce4d99ba85c2bc2379e
SSDEEP

1536:26QFElP6n+gBQMOtEvwDpjQGYQbN/PKwNCJ0:26a+2OtEvwDpjtzB

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012234-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012234-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2332	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2928	2024-01-24_fe0d194ad04154e07ef0732ba1d8a9ea_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 2928 wrote to memory of 2332	2928	2024-01-24_fe0d194ad04154e07ef0732ba1d8a9ea_cryptolocker.exe	28
PID 2928 wrote to memory of 2332	2928	2024-01-24_fe0d194ad04154e07ef0732ba1d8a9ea_cryptolocker.exe	28
PID 2928 wrote to memory of 2332	2928	2024-01-24_fe0d194ad04154e07ef0732ba1d8a9ea_cryptolocker.exe	28
PID 2928 wrote to memory of 2332	2928	2024-01-24_fe0d194ad04154e07ef0732ba1d8a9ea_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-24_fe0d194ad04154e07ef0732ba1d8a9ea_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-24_fe0d194ad04154e07ef0732ba1d8a9ea_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2332

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\asih.exe

Filesize
96KB

MD5
abab993596ff42af17d140cf2751f205

SHA1
b81438f8e10476d38b8a52628b40db0b15a462c1

SHA256
e391dc98aeb922f7346ed0d32ee0fc7a22227970a4949a6b3850049f83ddfb0b

SHA512
666fc2e79082cd8383de517c12b56dfb9e19f43369ec58369990e032cfd59f3d5d75d7bb1be98c646003eeda29bba3a3794893fc34a0ca4e81e96d0837c6f8db

Download Submit
memory/2332-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2928-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2928-2-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2928-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download