9fe82e7e5d55ced7c3285d2cfc6e191e7f36c60d378345419bcaefafceb4bb15

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
14/05/2024, 03:54

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General

Target

2024-05-14_6b9ba223e07c4e65d30059777831cf1e_cryptolocker.exe
Size

37KB
MD5

6b9ba223e07c4e65d30059777831cf1e
SHA1

5ff396f027f8db43f2e3ecfb83f3df1603e24a8c
SHA256

9fe82e7e5d55ced7c3285d2cfc6e191e7f36c60d378345419bcaefafceb4bb15
SHA512

abaf7d9743d5e4f70e91460e7228097da8584a45faed5014c18e0044e0568aaa8602a2140f7d7388b32ff8acd36584671c357fc170c5cbedde097a23efa32a3a
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4v:fT+hsMQMOtEvwDpjoIHv

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000141c0-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000141c0-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2212	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2356	2024-05-14_6b9ba223e07c4e65d30059777831cf1e_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 2356 wrote to memory of 2212	2356	2024-05-14_6b9ba223e07c4e65d30059777831cf1e_cryptolocker.exe	28
PID 2356 wrote to memory of 2212	2356	2024-05-14_6b9ba223e07c4e65d30059777831cf1e_cryptolocker.exe	28
PID 2356 wrote to memory of 2212	2356	2024-05-14_6b9ba223e07c4e65d30059777831cf1e_cryptolocker.exe	28
PID 2356 wrote to memory of 2212	2356	2024-05-14_6b9ba223e07c4e65d30059777831cf1e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-14_6b9ba223e07c4e65d30059777831cf1e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-14_6b9ba223e07c4e65d30059777831cf1e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2212

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
37KB

MD5
f999dd36609b0cbe9e94975b9518f446

SHA1
4bc9c0a831842d29644c8d1dfdc6b8a0fe442abf

SHA256
de8095dd8a62cf9a528bfbc68f3da9794434220bde0006495540df149db9bc60

SHA512
269f9782772341651126ed8f52271a08f7ce72347eb84723664e94fa3007ef61a7149d4144107d0dbcf47719a5d7e69538a4bfddeaa7c7bfdd7c36e50f0d0ac3

Download Submit
memory/2212-15-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/2212-22-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2356-0-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2356-1-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2356-8-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download