301b54eaecdb91b8b049c58e0e6e31bac304e1f3f5f3cb7fe2293cb32dafe32e

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
21-05-2024 23:46

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General

Target

2024-05-21_c2f54608ff3bced4ee99a3fe22ca63f7_cryptolocker.exe
Size

77KB
MD5

c2f54608ff3bced4ee99a3fe22ca63f7
SHA1

0ab0aa115e34df19d67933fa9ebd737d3763eeb8
SHA256

301b54eaecdb91b8b049c58e0e6e31bac304e1f3f5f3cb7fe2293cb32dafe32e
SHA512

23535c02326ed6ed682dc3a563319dd9a5cf570875a5ca4e7d7e30e7c8a71d7f039f116390cc539c6b520b12aacdb28ea55348e3a41f22fc9ad5d0eb1165b2b9
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIufv:vCjsIOtEvwDpj5H9YvQd2r

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0007000000012120-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0007000000012120-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2556	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1008	2024-05-21_c2f54608ff3bced4ee99a3fe22ca63f7_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 1008 wrote to memory of 2556	1008	2024-05-21_c2f54608ff3bced4ee99a3fe22ca63f7_cryptolocker.exe	28
PID 1008 wrote to memory of 2556	1008	2024-05-21_c2f54608ff3bced4ee99a3fe22ca63f7_cryptolocker.exe	28
PID 1008 wrote to memory of 2556	1008	2024-05-21_c2f54608ff3bced4ee99a3fe22ca63f7_cryptolocker.exe	28
PID 1008 wrote to memory of 2556	1008	2024-05-21_c2f54608ff3bced4ee99a3fe22ca63f7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-21_c2f54608ff3bced4ee99a3fe22ca63f7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-21_c2f54608ff3bced4ee99a3fe22ca63f7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1008
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2556

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
78KB

MD5
041cf3be8394af7d800b414bd3e041e7

SHA1
4e887521a4eb383fe826e3102d1b4bb622a41b1b

SHA256
f222929216eb3f75299c07a360e2bb9354ed206da539a6cfa96144f6a0ceeca7

SHA512
1564b0ac3b353082532903dd4352d980c1c47fbe20499ed848e25e073f22f4e6270f3729e91719deb632af9302f0a2109eafc9dd68847e9cbed24b67a049a39b

Download Submit
memory/1008-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1008-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1008-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2556-22-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2556-15-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download