f77a42d7cabaa39a4497fdbd07d4de261f4282a2e94a9c866fc4f5d9d02a58c2

Analysis

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

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
03/02/2024, 01:28

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General

Target

2024-02-03_96a15de68834cfaeb5d2237fe088f0fa_cryptolocker.exe
Size

74KB
MD5

96a15de68834cfaeb5d2237fe088f0fa
SHA1

60055ebae641caad388dd40207d65d4c3c5c1b6b
SHA256

f77a42d7cabaa39a4497fdbd07d4de261f4282a2e94a9c866fc4f5d9d02a58c2
SHA512

9b4df45abe631101f7cff3c8b8cb6bac90a9868c47b73224de479db85d140e0b93fd7739f6766a4afea94129c2f6cf3f3b70177f63f8b6566cfdaf66844baa0c
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3Ku7:ZVxkGOtEvwDpjcaf

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000014120-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2336	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2200	2024-02-03_96a15de68834cfaeb5d2237fe088f0fa_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 2200 wrote to memory of 2336	2200	2024-02-03_96a15de68834cfaeb5d2237fe088f0fa_cryptolocker.exe	28
PID 2200 wrote to memory of 2336	2200	2024-02-03_96a15de68834cfaeb5d2237fe088f0fa_cryptolocker.exe	28
PID 2200 wrote to memory of 2336	2200	2024-02-03_96a15de68834cfaeb5d2237fe088f0fa_cryptolocker.exe	28
PID 2200 wrote to memory of 2336	2200	2024-02-03_96a15de68834cfaeb5d2237fe088f0fa_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-03_96a15de68834cfaeb5d2237fe088f0fa_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-03_96a15de68834cfaeb5d2237fe088f0fa_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2336

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
5b590558b764b36f2e4adbf5401b0067

SHA1
871a71bde86ba92d62368024b3329e2fea8393ef

SHA256
0d6e9744b45109027d33bbc4f2bba607cf2776007b21720d5e82f236bf13e836

SHA512
94e9d49ecfea9218ca5c360fe187353dcd096172a18e29fd870876240f563b36d41b3eb5e39252700b3abba2418c992c773122a80171eb3d181a41dfcf3bbe7a

Download Submit
memory/2200-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2200-3-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/2200-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2200-4-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2336-17-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download