be96e74b5f6b65dd6f86181d72daac24b7489f3d363542efb9302c2cc0c21018

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11-06-2024 08:32

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General

Target

2024-06-11_517a2aa2fb4fa8370ed033ed0158ef3f_cryptolocker.exe
Size

46KB
MD5

517a2aa2fb4fa8370ed033ed0158ef3f
SHA1

d83987040c51d708c67fc26bec4371617ba4a5c8
SHA256

be96e74b5f6b65dd6f86181d72daac24b7489f3d363542efb9302c2cc0c21018
SHA512

55d62364115453d228050b024a5105dd547f14c70fdd9fd4c4d2e882cfa7383a9eed638578534662467ed200c1630042a2a9538a40fbb983c265b634ff89178c
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9HxFWz:X6QFElP6n+gJQMOtEvwDpjBmzDkWDtjY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012327-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012327-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2344	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1504	2024-06-11_517a2aa2fb4fa8370ed033ed0158ef3f_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 1504 wrote to memory of 2344	1504	2024-06-11_517a2aa2fb4fa8370ed033ed0158ef3f_cryptolocker.exe	28
PID 1504 wrote to memory of 2344	1504	2024-06-11_517a2aa2fb4fa8370ed033ed0158ef3f_cryptolocker.exe	28
PID 1504 wrote to memory of 2344	1504	2024-06-11_517a2aa2fb4fa8370ed033ed0158ef3f_cryptolocker.exe	28
PID 1504 wrote to memory of 2344	1504	2024-06-11_517a2aa2fb4fa8370ed033ed0158ef3f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-11_517a2aa2fb4fa8370ed033ed0158ef3f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_517a2aa2fb4fa8370ed033ed0158ef3f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1504
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2344

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
46KB

MD5
eb28a947ca311ede4e1731dd1220be79

SHA1
70815a12b757a8d7b011de6634a6de99aea413e7

SHA256
e5f3ca4b40f436f3f780660c07bf0c25218421627c63eaf291dad722481140ea

SHA512
022e3a822d32efa66730b948ba6e491d70892aba5fda4acaee2158dbdcb8348630e4e94ea72b5e8ae1263fab895d288f157af0d41d746e6efab52336b1b479f2

Download Submit
memory/1504-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1504-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1504-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2344-15-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download