df210f8284a2f7d460c1c5f396b38eb4b8200b1271d3b74a7b072cea8f546974

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29-01-2024 04:42

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General

Target

2024-01-29_b4d14620986d630461c64baec6f3406d_cryptolocker.exe
Size

45KB
MD5

b4d14620986d630461c64baec6f3406d
SHA1

46d0b7bb9b33db4bde8552751c4c5fcea7127725
SHA256

df210f8284a2f7d460c1c5f396b38eb4b8200b1271d3b74a7b072cea8f546974
SHA512

af3e6958c66de788b69399a0e74cceeb952f91de1abbc79a911d5e0f91debfe085675a75bf29193e1be82aba4c64c87751a044a676af0a472861307c6c030bef
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu556yPR/W:X6QFElP6n+gJQMOtEvwDpjB0GIWvPRe

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012252-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012252-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2724	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2060	2024-01-29_b4d14620986d630461c64baec6f3406d_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 2060 wrote to memory of 2724	2060	2024-01-29_b4d14620986d630461c64baec6f3406d_cryptolocker.exe	28
PID 2060 wrote to memory of 2724	2060	2024-01-29_b4d14620986d630461c64baec6f3406d_cryptolocker.exe	28
PID 2060 wrote to memory of 2724	2060	2024-01-29_b4d14620986d630461c64baec6f3406d_cryptolocker.exe	28
PID 2060 wrote to memory of 2724	2060	2024-01-29_b4d14620986d630461c64baec6f3406d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-29_b4d14620986d630461c64baec6f3406d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-29_b4d14620986d630461c64baec6f3406d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2724

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
45KB

MD5
52bd3270638356d548855919fc470a51

SHA1
fdc3b6369c0d227d984c9752d46a01f0ce3c5c01

SHA256
e5a7ea415b075bd28e36da4fc21a99c3f795b962d941b8124d52a347b55aa5d2

SHA512
a8b121dfc4ed74ca3a1dabac9b5a8a4008efbfc3b588b837b222052be99a64bcd95d89a056e61e95fa54e3a38d420b127ccd7b30450611facf405680edaf00c8

Download Submit
memory/2060-0-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2060-2-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2060-1-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2724-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2724-22-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download