c22476fdb67f1e4c36411a4eebb2bac682e04ca2b7f261cbddd2ba8393d4ed12

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
28/04/2024, 03:48

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General

Target

2024-04-28_ab551a3cfc7ee5c89679b580455be7a6_cryptolocker.exe
Size

67KB
MD5

ab551a3cfc7ee5c89679b580455be7a6
SHA1

b9a508f18ea3b53a10ddeeeac16fbebaa0ee7f72
SHA256

c22476fdb67f1e4c36411a4eebb2bac682e04ca2b7f261cbddd2ba8393d4ed12
SHA512

4935413ccb5942a333a327469bad99a338677fe2f38a800fed874691ddbf3cb51da5c08ecac8944a5ab43c715b342af03b010942946ecec70a0d7f41419d68be
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4wYPsED3VK2+ZtyOjgO4r9vFAg2rqk63Ygr:vj+jsMQMOtEvwDpj5HwYYTjipvF2hlS

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001445e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001445e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2500	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2380	2024-04-28_ab551a3cfc7ee5c89679b580455be7a6_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 2380 wrote to memory of 2500	2380	2024-04-28_ab551a3cfc7ee5c89679b580455be7a6_cryptolocker.exe	28
PID 2380 wrote to memory of 2500	2380	2024-04-28_ab551a3cfc7ee5c89679b580455be7a6_cryptolocker.exe	28
PID 2380 wrote to memory of 2500	2380	2024-04-28_ab551a3cfc7ee5c89679b580455be7a6_cryptolocker.exe	28
PID 2380 wrote to memory of 2500	2380	2024-04-28_ab551a3cfc7ee5c89679b580455be7a6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-28_ab551a3cfc7ee5c89679b580455be7a6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-28_ab551a3cfc7ee5c89679b580455be7a6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2500

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
68KB

MD5
f0ca73a448cb999d50e7499d4de9a6b4

SHA1
e77ab5a9aac711e96b9cadd2f2d56aa59701d403

SHA256
d19061cd32380f37a23e7c56179348eab646d3ec1a9827e553388b599caa5cbd

SHA512
c40e01a1d9b5309e54ce100e7113894b4d5dd175b82501ec58b0de93aadbb83bfa69dcbcb82eac02de36640cc6702f15b1dc1346ec7158bbf61912ea494d42b1

Download Submit
memory/2380-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2380-1-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/2380-8-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2500-15-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2500-22-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download