c1a14f34a1203fa840f0aedb97b73da7a2bdaa7a57bdf070868c23e66d025931

Analysis

max time kernel
132s
max time network
141s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
27-03-2024 03:42

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General

Target

2024-03-27_5147cee8ed5c9ddf26b53b3ea1ab959d_cryptolocker.exe
Size

74KB
MD5

5147cee8ed5c9ddf26b53b3ea1ab959d
SHA1

31f57e2c98f87ed90fbb17ef96e64e6ccafe98d4
SHA256

c1a14f34a1203fa840f0aedb97b73da7a2bdaa7a57bdf070868c23e66d025931
SHA512

aa0b95913dec6b32db3f6e239f0eff5a06cdefa9edbe5d2b232e033073b6b6c30e8968fff9b63b267e3d94197f4949d16234c7b4012321eae2b9291f98e4334c
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1s5:X6a+SOtEvwDpjBZYvQd22

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000600000001208c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000600000001208c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2004	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2888	2024-03-27_5147cee8ed5c9ddf26b53b3ea1ab959d_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 2888 wrote to memory of 2004	2888	2024-03-27_5147cee8ed5c9ddf26b53b3ea1ab959d_cryptolocker.exe	28
PID 2888 wrote to memory of 2004	2888	2024-03-27_5147cee8ed5c9ddf26b53b3ea1ab959d_cryptolocker.exe	28
PID 2888 wrote to memory of 2004	2888	2024-03-27_5147cee8ed5c9ddf26b53b3ea1ab959d_cryptolocker.exe	28
PID 2888 wrote to memory of 2004	2888	2024-03-27_5147cee8ed5c9ddf26b53b3ea1ab959d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-27_5147cee8ed5c9ddf26b53b3ea1ab959d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-27_5147cee8ed5c9ddf26b53b3ea1ab959d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2004

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
74KB

MD5
b180941f83bd705b9dfced65cdf6cf20

SHA1
4abe443ff1d745486affe816fcb698c2c05f6b0d

SHA256
a0fb117d3276c073f8e74830a78315acf4bb61ff094e9b4cee4d7bf1d87f68c5

SHA512
fce60f6a37c702b0bba085c276859b641a23ebf67670a1b216052a29cbc3a6a62dda395cb2f5cfa558ad734e2ec66b07376c8f0a34673a046dc39c191f414b85

Download Submit
memory/2004-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2004-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2888-0-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2888-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2888-5-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download