5bc2a96a9e231630adc07e9ea9e00178b7674e1f11b2f197a29c773ab1547945

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13/05/2024, 19:47

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General

Target

2024-05-13_ca74b2c4ec05a6154e33cc1e2f2de305_cryptolocker.exe
Size

86KB
MD5

ca74b2c4ec05a6154e33cc1e2f2de305
SHA1

6ed81a6fe6d43e184bff05dc560b74324a1f0409
SHA256

5bc2a96a9e231630adc07e9ea9e00178b7674e1f11b2f197a29c773ab1547945
SHA512

fb0f91a09a398cf4caa080c671538526feeb4802914d5b6e36f4848e3ffce9374c0360326b032b3f5a6b9f2eafd0bd102bf1ae21195ddcb3f84a1c79d8a03e01
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNBge:vCjsIOtEvwDpj5H9YvQd2/

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014b6d-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014b6d-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2992	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1760	2024-05-13_ca74b2c4ec05a6154e33cc1e2f2de305_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 1760 wrote to memory of 2992	1760	2024-05-13_ca74b2c4ec05a6154e33cc1e2f2de305_cryptolocker.exe	28
PID 1760 wrote to memory of 2992	1760	2024-05-13_ca74b2c4ec05a6154e33cc1e2f2de305_cryptolocker.exe	28
PID 1760 wrote to memory of 2992	1760	2024-05-13_ca74b2c4ec05a6154e33cc1e2f2de305_cryptolocker.exe	28
PID 1760 wrote to memory of 2992	1760	2024-05-13_ca74b2c4ec05a6154e33cc1e2f2de305_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-13_ca74b2c4ec05a6154e33cc1e2f2de305_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-13_ca74b2c4ec05a6154e33cc1e2f2de305_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2992

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\misid.exe

Filesize
86KB

MD5
4b5e4bb7692771e8bc4f169417e8ce36

SHA1
6d6c04c4e845a664592d450bae0ccac3b99b1e31

SHA256
f436876ae6c233363628c5b06edc8c131c146760fb4aec5f415594259e60c43d

SHA512
78d1dc11175648a4aa50985856fc602655f12918df8aa4b61fafd9838f36f4cc2599f11dfbe798074a64fabf036479c67ef0a845915e1aec603f4ca702b2aa0e

Download Submit
memory/1760-0-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/1760-1-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/1760-8-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2992-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2992-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download