ba63b627e4c0077fb920e09049fafb3b98bad2bc7f7a83562359a2e9ecffbb58

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16/05/2024, 21:35

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General

Target

2024-05-16_f2ab38ec4bf58f4df24385a31734b5fc_cryptolocker.exe
Size

46KB
MD5

f2ab38ec4bf58f4df24385a31734b5fc
SHA1

d79b123835a7fa535a350a49c8bcb6d9efa37ea9
SHA256

ba63b627e4c0077fb920e09049fafb3b98bad2bc7f7a83562359a2e9ecffbb58
SHA512

de14d79c5b078481b523b53b11e33fca33580fa9a38f294aec6913a96b976dc46ca718fce609195fa54bbe65567f4e2b9bdcdafb7ab9bc96fd321670ed3a960d
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPN1:P6QFElP6k+MRQMOtEvwDpjBQpVXE1

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/2180-8-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000e000000014708-11.dat	CryptoLocker_rule2
behavioral1/memory/2516-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2516-24-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/2180-8-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000e000000014708-11.dat	CryptoLocker_set1
behavioral1/memory/2516-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2516-24-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2516	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2180	2024-05-16_f2ab38ec4bf58f4df24385a31734b5fc_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 2180 wrote to memory of 2516	2180	2024-05-16_f2ab38ec4bf58f4df24385a31734b5fc_cryptolocker.exe	28
PID 2180 wrote to memory of 2516	2180	2024-05-16_f2ab38ec4bf58f4df24385a31734b5fc_cryptolocker.exe	28
PID 2180 wrote to memory of 2516	2180	2024-05-16_f2ab38ec4bf58f4df24385a31734b5fc_cryptolocker.exe	28
PID 2180 wrote to memory of 2516	2180	2024-05-16_f2ab38ec4bf58f4df24385a31734b5fc_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-16_f2ab38ec4bf58f4df24385a31734b5fc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-16_f2ab38ec4bf58f4df24385a31734b5fc_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2516

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
46KB

MD5
df983b1fcc4aeb7e268d1edf19ea5319

SHA1
e31fc59a397208f43c292e491c877f431e7be00b

SHA256
33a39549f3a114b9b19816df61ee345c48867c615c8eb0cd2d58958c341646eb

SHA512
cb93cf07be71124ead0af1995612ef4bb32339ebe511f7e7f2122614ae64d781a026b35d77419107b683e546b0b38d1d33940c336273a69a9d9b049c96b1fd9d

Download Submit
memory/2180-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2180-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2180-8-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2180-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2516-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2516-24-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download