11121cdc8039ec1fcc79a1c1323505d1320216f53a4f0a8fa6945e7ce6548f67

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24/05/2024, 05:38

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General

Target

2024-05-24_ba554dfc128348d00135679d7056cd8f_cryptolocker.exe
Size

42KB
MD5

ba554dfc128348d00135679d7056cd8f
SHA1

e30b7f70eaa26b689d08d54e179754f83d499797
SHA256

11121cdc8039ec1fcc79a1c1323505d1320216f53a4f0a8fa6945e7ce6548f67
SHA512

f5112ae8f9625f6a207376118212618fe3b041a1e801df09066d3e4c7b3b60c565ec14ceb37d10b41c4a5a7a0b55d79cc4226639c79886afcfbbc01a91435cb7
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HK/wSvuQTCyD/95c:X6QFElP6n+gJQMOtEvwDpjBsYK/fbDF+

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014fe1-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014fe1-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1392	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2808	2024-05-24_ba554dfc128348d00135679d7056cd8f_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 2808 wrote to memory of 1392	2808	2024-05-24_ba554dfc128348d00135679d7056cd8f_cryptolocker.exe	28
PID 2808 wrote to memory of 1392	2808	2024-05-24_ba554dfc128348d00135679d7056cd8f_cryptolocker.exe	28
PID 2808 wrote to memory of 1392	2808	2024-05-24_ba554dfc128348d00135679d7056cd8f_cryptolocker.exe	28
PID 2808 wrote to memory of 1392	2808	2024-05-24_ba554dfc128348d00135679d7056cd8f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-24_ba554dfc128348d00135679d7056cd8f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-24_ba554dfc128348d00135679d7056cd8f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1392

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
42KB

MD5
86761b6cb6181bdf0184a89f26f2517b

SHA1
818d8749421e4c6165150489ee4c1dc24249010c

SHA256
60469fca9a47878ca2f647c265eace7c91220a0dc5b24a8dbe9bff760c43ecf3

SHA512
123697f8bc1658ff8fda197536a9b027e8ede718de2ce51c7e35c7d49d48aed5c5a65bd1346b2a54c2041452811be6a017a38f0d73caf180d2c79af63cf6fe59

Download Submit
memory/1392-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1392-15-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2808-0-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2808-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2808-7-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download