99ef1b2e3a71100f713398c07b18c871ae5c5705648978808c3adfab53046d16

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 02:53

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General

Target

2024-05-22_e8c52606abbc65b1ce26c9b84ac8e97c_cryptolocker.exe
Size

70KB
MD5

e8c52606abbc65b1ce26c9b84ac8e97c
SHA1

8e6cd470cc56f18b39f6dece93f3d7ea7a892a85
SHA256

99ef1b2e3a71100f713398c07b18c871ae5c5705648978808c3adfab53046d16
SHA512

648a5d36e5d8428554353e5e012288ed7040870c9f57e0a7ad3fab5328616233459cb59ca8aef8d094815748e3df3d7f2ca1ec2974cf11decc65eda78078b24b
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/Ro:vj+jsMQMOtEvwDpj5HZYTjipvF24Q

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_set1

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

1028 misid.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-22_e8c52606abbc65b1ce26c9b84ac8e97c_cryptolocker.exe

pid process

2232 2024-05-22_e8c52606abbc65b1ce26c9b84ac8e97c_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1028	misid.exe

pid	process
2232	2024-05-22_e8c52606abbc65b1ce26c9b84ac8e97c_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-22_e8c52606abbc65b1ce26c9b84ac8e97c_cryptolocker.exe

description	pid	process	target process
PID 2232 wrote to memory of 1028	2232	2024-05-22_e8c52606abbc65b1ce26c9b84ac8e97c_cryptolocker.exe	misid.exe
PID 2232 wrote to memory of 1028	2232	2024-05-22_e8c52606abbc65b1ce26c9b84ac8e97c_cryptolocker.exe	misid.exe
PID 2232 wrote to memory of 1028	2232	2024-05-22_e8c52606abbc65b1ce26c9b84ac8e97c_cryptolocker.exe	misid.exe
PID 2232 wrote to memory of 1028	2232	2024-05-22_e8c52606abbc65b1ce26c9b84ac8e97c_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-22_e8c52606abbc65b1ce26c9b84ac8e97c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_e8c52606abbc65b1ce26c9b84ac8e97c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2232

C:\Users\Admin\AppData\Local\Temp\misid.exe
"C:\Users\Admin\AppData\Local\Temp\misid.exe"
2⤵
- Executes dropped EXE
PID:1028

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
71KB

MD5
9a1d866ff7426f129c7ea228a64ef0b4

SHA1
7115c56b15b4e41fc5a22b9a7165928bf821204a

SHA256
e121a7ab5bb8a09a10918d205c924923025bf5da2b10d4c34fb75806bb8e35fc

SHA512
1ee14a967319a8fec0031e2dd910d0d51bff8c50abb333182183cd0ee90af7420525d253a98dac1952feda144284406f86bff5a32789914e1bdeb06544b937ab

Download Submit
memory/1028-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1028-22-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2232-0-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2232-1-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/2232-8-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download