c6e1cad6fac2548cd9705134d6b11876ae494d413303c058147a37d0b4d55f55

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/03/2024, 06:29

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General

Target

2024-03-09_533e5c4ddd3acc7d077ee7cfda4f1046_cryptolocker.exe
Size

62KB
MD5

533e5c4ddd3acc7d077ee7cfda4f1046
SHA1

be3f342aff3ba851e297437c5b8b3a7e9a0da426
SHA256

c6e1cad6fac2548cd9705134d6b11876ae494d413303c058147a37d0b4d55f55
SHA512

a336a03c5dd52fe3bf062d7fa80c7472c37a2f5432e566b958e8a2877f9488b704b960dc31dd92035f5d4f18d6d6542acdba851d698122c5cb160aaf61810713
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccVCbmhkJ:V6a+pOtEvwDpjvI

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012247-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012247-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2264	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2744	2024-03-09_533e5c4ddd3acc7d077ee7cfda4f1046_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 2744 wrote to memory of 2264	2744	2024-03-09_533e5c4ddd3acc7d077ee7cfda4f1046_cryptolocker.exe	28
PID 2744 wrote to memory of 2264	2744	2024-03-09_533e5c4ddd3acc7d077ee7cfda4f1046_cryptolocker.exe	28
PID 2744 wrote to memory of 2264	2744	2024-03-09_533e5c4ddd3acc7d077ee7cfda4f1046_cryptolocker.exe	28
PID 2744 wrote to memory of 2264	2744	2024-03-09_533e5c4ddd3acc7d077ee7cfda4f1046_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-09_533e5c4ddd3acc7d077ee7cfda4f1046_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-09_533e5c4ddd3acc7d077ee7cfda4f1046_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2264

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
62KB

MD5
3638293c6c566d6a2ce661b448602d8e

SHA1
8fcadaaf83808686e00fe67053c21a2d05c49672

SHA256
f13143c747fef9a96c2831db08299d59068f608e327f2471ebc5a2132749cd06

SHA512
a223ed582a53bfe3d15e3499e40569105458b1b64ec2b0935072dbfb8f8a6ed102227f28c11fc560581105237ea6075e2a872d726fb6869915dbb0d0680c2dc2

Download Submit
memory/2264-15-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2264-17-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2744-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2744-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2744-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download