473b91124fce97810a4d0142f69aef52c147752925071e02f2622e8d3d306ec8

Analysis

max time kernel
150s
max time network
159s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27/03/2024, 03:45

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General

Target

2024-03-27_5fdc0d307303481d8ecdcaa8d02f1819_cryptolocker.exe
Size

37KB
MD5

5fdc0d307303481d8ecdcaa8d02f1819
SHA1

c8bff4729a6c3bf961bae4ea3778c41aaf2d2d4f
SHA256

473b91124fce97810a4d0142f69aef52c147752925071e02f2622e8d3d306ec8
SHA512

dea5a75e4fa2d43d46c3c132a6cd117aa292e3fdd9b8c1f65b542778d48b7be6248b54d2347712a185110d502a03600e9ef74f51c1bc39276aeb262bfb2fd1ec
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JE59:bxNrC7kYo1Fxf3s0659

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012242-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2160	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
1664	2024-03-27_5fdc0d307303481d8ecdcaa8d02f1819_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 1664 wrote to memory of 2160	1664	2024-03-27_5fdc0d307303481d8ecdcaa8d02f1819_cryptolocker.exe	28
PID 1664 wrote to memory of 2160	1664	2024-03-27_5fdc0d307303481d8ecdcaa8d02f1819_cryptolocker.exe	28
PID 1664 wrote to memory of 2160	1664	2024-03-27_5fdc0d307303481d8ecdcaa8d02f1819_cryptolocker.exe	28
PID 1664 wrote to memory of 2160	1664	2024-03-27_5fdc0d307303481d8ecdcaa8d02f1819_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-27_5fdc0d307303481d8ecdcaa8d02f1819_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-27_5fdc0d307303481d8ecdcaa8d02f1819_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:2160

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\pissa.exe

Filesize
37KB

MD5
66aad84300cc3ae8ecea9d68375983f0

SHA1
33a3347eb4dc4de4d7cc8749285a7b58faaa0b12

SHA256
04c85b228b1698bb052b02293a87c00aff4f5c300321e6a79ad7db6c594675ab

SHA512
dade45ce7efea1e38a3e426838d1d6fa14d5003cbb556298b7dfe2562d29497dc778dcbecef80e54fc31108a91ee48c89b66e26be4f09a04dc28baf727f7c088

Download Submit
memory/1664-0-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/1664-1-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/1664-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2160-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download