7e8c82a2975e6278728cad7028b6f58cb56992d9783753a28221fa2d20781c16

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
12/03/2024, 00:28

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General

Target

2024-03-12_5119d5075e0f8b994b15bf32bf20e192_cryptolocker.exe
Size

48KB
MD5

5119d5075e0f8b994b15bf32bf20e192
SHA1

1f62c13f511220316fc058fbc4e1dc62f936b14e
SHA256

7e8c82a2975e6278728cad7028b6f58cb56992d9783753a28221fa2d20781c16
SHA512

3e96a2fbaa79528a2057490ba90e0c75b3a4d67914bcb52111b7bbd4087cd4291576a6ff7bff85d3c108a371c8a434e31c78d2bccec939ea0fbb8442125ae6b2
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4UKn7yXYJmWO:bIDOw9a0DwitDTkO

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001225d-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2476	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
1728	2024-03-12_5119d5075e0f8b994b15bf32bf20e192_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 1728 wrote to memory of 2476	1728	2024-03-12_5119d5075e0f8b994b15bf32bf20e192_cryptolocker.exe	29
PID 1728 wrote to memory of 2476	1728	2024-03-12_5119d5075e0f8b994b15bf32bf20e192_cryptolocker.exe	29
PID 1728 wrote to memory of 2476	1728	2024-03-12_5119d5075e0f8b994b15bf32bf20e192_cryptolocker.exe	29
PID 1728 wrote to memory of 2476	1728	2024-03-12_5119d5075e0f8b994b15bf32bf20e192_cryptolocker.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-03-12_5119d5075e0f8b994b15bf32bf20e192_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_5119d5075e0f8b994b15bf32bf20e192_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2476

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\lossy.exe

Filesize
48KB

MD5
e933bf314ae52c4b69eef12381f5ed91

SHA1
1268a13d7e3238d86283b0b7b3e877eb097027cd

SHA256
b19b3a6a259b78dd05d7546dfa6bf3ff83c345cf27cd919d05adc686a50df44c

SHA512
6b5b7ef16ada393f897785af9b25e866497db017ae38baa23dc9c6d05d4635af7fcc4ef8161a468389759abe79c906526be1352795a32d7b598481d08b663da6

Download Submit
memory/1728-0-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1728-1-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/1728-8-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2476-16-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2476-15-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download