721ed36cc120e9fad90d8173b51278eded32793c81ace450c338e106cd3cb821

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
15/06/2024, 13:03

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General

Target

2024-06-15_7fb24cd3d26d48634b4013f1436cb1f2_cryptolocker.exe
Size

74KB
MD5

7fb24cd3d26d48634b4013f1436cb1f2
SHA1

71bd833fec2e8529993dc3c1378af5a07ed4d352
SHA256

721ed36cc120e9fad90d8173b51278eded32793c81ace450c338e106cd3cb821
SHA512

166bda775efa527b7f370d8ae8a8179d702efe06cbc8a46d488c6ff6b9afd48c44f82a6f9127800a4748e1b736b46ea097b638251751bdbbbd055f2e271a59f4
SSDEEP

768:9UQz7yVEhs9+4T/1bytOOtEvwDpjLXOQ69zbjlAAX5e9zU:9Uj+AIMOtEvwDpjLizbR9XwzU

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001224e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001224e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2692	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
3048	2024-06-15_7fb24cd3d26d48634b4013f1436cb1f2_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 3048 wrote to memory of 2692	3048	2024-06-15_7fb24cd3d26d48634b4013f1436cb1f2_cryptolocker.exe	28
PID 3048 wrote to memory of 2692	3048	2024-06-15_7fb24cd3d26d48634b4013f1436cb1f2_cryptolocker.exe	28
PID 3048 wrote to memory of 2692	3048	2024-06-15_7fb24cd3d26d48634b4013f1436cb1f2_cryptolocker.exe	28
PID 3048 wrote to memory of 2692	3048	2024-06-15_7fb24cd3d26d48634b4013f1436cb1f2_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-15_7fb24cd3d26d48634b4013f1436cb1f2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-15_7fb24cd3d26d48634b4013f1436cb1f2_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2692

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
74KB

MD5
64d1a9137cf4cc1e0081e5c3e56091e4

SHA1
7a175a1c9801500ec277a5a535627f495625b3c6

SHA256
caa94cc62b0ee31c90514bbbbad33761512cebda9b6045bca7df29a51162b562

SHA512
2d649cbc1f46ebaab2883d6aa3f9698271c2826be971323517091684f505ca1e2b9a118639b0a40a4f649dd8c1d4998750e4a536158a510f3f6b9e365f4279be

Download Submit
memory/2692-15-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2692-22-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/3048-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/3048-1-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/3048-7-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download