7e71476dcb5c24db41775d49d6c534eb4924af30229c6c1adf934602ec63bbf8

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22-02-2024 16:26

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General

Target

2024-02-22_132fec2cbb2b059eaea6a4596d692982_cryptolocker.exe
Size

65KB
MD5

132fec2cbb2b059eaea6a4596d692982
SHA1

376b1e10e40e59c8ef589ab36548669bd141305c
SHA256

7e71476dcb5c24db41775d49d6c534eb4924af30229c6c1adf934602ec63bbf8
SHA512

f8b30a6200d25eaf96ecef733f6921f48232232642f97ca739e807532b38eec0cae3a468a62617607c47274877de814c2a9c6558fb5ebf55b39afb0da0fd511b
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3hvLcbVrF:ZVxkGOtEvwDpjcawL

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012328-14.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2628	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1940	2024-02-22_132fec2cbb2b059eaea6a4596d692982_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 1940 wrote to memory of 2628	1940	2024-02-22_132fec2cbb2b059eaea6a4596d692982_cryptolocker.exe	28
PID 1940 wrote to memory of 2628	1940	2024-02-22_132fec2cbb2b059eaea6a4596d692982_cryptolocker.exe	28
PID 1940 wrote to memory of 2628	1940	2024-02-22_132fec2cbb2b059eaea6a4596d692982_cryptolocker.exe	28
PID 1940 wrote to memory of 2628	1940	2024-02-22_132fec2cbb2b059eaea6a4596d692982_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-22_132fec2cbb2b059eaea6a4596d692982_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_132fec2cbb2b059eaea6a4596d692982_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2628

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

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
66KB

MD5
8b1aeccb35d3e36f1a2f68d172915e89

SHA1
16c7e225b2044aaf59bd902403e10d00b1dfa708

SHA256
072d80e8673181b2d0c33166df9570c98fb15d7937be0dd6c37611df526c984a

SHA512
b50deb412cb7ae34d63c9dcd9de1ca0ae561b93cc7c4cbce1aa9045869b866b71e3837334fc99817921d025fcf3875da77f8d4cfe1aa740c0c96baebf9bd05c5

Download Submit
memory/1940-1-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1940-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1940-2-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/1940-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2628-17-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2628-15-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2628-20-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2628-25-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download