d237d52109a382d004980f5cfb2a8a351c29fc7d70b112ee02711c301dee91ba

Analysis

max time kernel
152s
max time network
161s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16/03/2024, 12:44

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General

Target

2024-03-16_c0fe2f090c9d862176bbc586340c7999_cryptolocker.exe
Size

50KB
MD5

c0fe2f090c9d862176bbc586340c7999
SHA1

eb885144a86377728378872d278c27a658da362c
SHA256

d237d52109a382d004980f5cfb2a8a351c29fc7d70b112ee02711c301dee91ba
SHA512

52d3f26e5491454c8175507523b9909ca23a162b67ca27cd6f2edb2eeaacfd130d4686e99c25b2dc82d9a20096c4205f55a0b47b21089a6e2b2852085f3ab619
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcOamu:X6QFElP6n+gJBMOtEvwDpjBtExmlm

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000f000000012241-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000f000000012241-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2348	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2908	2024-03-16_c0fe2f090c9d862176bbc586340c7999_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 2908 wrote to memory of 2348	2908	2024-03-16_c0fe2f090c9d862176bbc586340c7999_cryptolocker.exe	28
PID 2908 wrote to memory of 2348	2908	2024-03-16_c0fe2f090c9d862176bbc586340c7999_cryptolocker.exe	28
PID 2908 wrote to memory of 2348	2908	2024-03-16_c0fe2f090c9d862176bbc586340c7999_cryptolocker.exe	28
PID 2908 wrote to memory of 2348	2908	2024-03-16_c0fe2f090c9d862176bbc586340c7999_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-16_c0fe2f090c9d862176bbc586340c7999_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-16_c0fe2f090c9d862176bbc586340c7999_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2348

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
50KB

MD5
e08e5aecf255cbb784f8c6a54aae6f28

SHA1
2d06d69d13211f940a37e48abbfbb846da696aa6

SHA256
a0f3e19a0068d4ad258e5da6ead5ff401b2224405f7732f68abfc37f8687ffb9

SHA512
1c5e4c096af4f1a386e4b09efd785bc5b8b85ebb3be8edd3727b2c03071a909a575144144e92db12b271eddab16195c9add25026fe227636d5236a0dfd04f453

Download Submit
memory/2348-15-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2348-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2908-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2908-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/2908-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download