3bbbd080c6ea0da2a3339cf18e1cff0d0fe1a8d1a0be4cfa792c1b0dafa48e24

Analysis

max time kernel
150s
max time network
142s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29-03-2024 04:13

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General

Target

2024-03-29_f7cedc1412c1b189fadc8566960348f4_cryptolocker.exe
Size

73KB
MD5

f7cedc1412c1b189fadc8566960348f4
SHA1

dae6c11a12084dd482d34a1b4138dd79b4fb8601
SHA256

3bbbd080c6ea0da2a3339cf18e1cff0d0fe1a8d1a0be4cfa792c1b0dafa48e24
SHA512

9128e30003b74163219c471b89cee947db67b0a52b462cab1406015a969a5d322772de8457f07b850177b4bc6c68865aedd9cc6c3c9567f88eaf781f1e4fa51e
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHMP:X6a+SOtEvwDpjBZYvQd2Q

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2632	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2660	2024-03-29_f7cedc1412c1b189fadc8566960348f4_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 2660 wrote to memory of 2632	2660	2024-03-29_f7cedc1412c1b189fadc8566960348f4_cryptolocker.exe	28
PID 2660 wrote to memory of 2632	2660	2024-03-29_f7cedc1412c1b189fadc8566960348f4_cryptolocker.exe	28
PID 2660 wrote to memory of 2632	2660	2024-03-29_f7cedc1412c1b189fadc8566960348f4_cryptolocker.exe	28
PID 2660 wrote to memory of 2632	2660	2024-03-29_f7cedc1412c1b189fadc8566960348f4_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-29_f7cedc1412c1b189fadc8566960348f4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-29_f7cedc1412c1b189fadc8566960348f4_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2632

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
73KB

MD5
1f86fe8372b0c72c67f7aae5bda0179c

SHA1
54900ad5a0d7fb412bfdf4df30c8ec5e899e3047

SHA256
65cbb5f0edff0956e0ac21d98f23851125d2fb6a44a13e680e7795626ef0edca

SHA512
9e1faca111ecb51ec160101920b941aa33cd53ecb3df1da846c64b4436cb526642bd3b35c06058a4736328f151110a554311845179b48a57e4f12d8fcbf5df89

Download Submit
memory/2632-15-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2632-17-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2660-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2660-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2660-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download