ce8eee83b5a1cf542ef86b4592ffb3be4326ac2e54f2412e07d5c66a3fee0274

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
29/02/2024, 00:33

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General

Target

2024-02-29_421a2325377f120a39eb68ef7a3f80e1_cryptolocker.exe
Size

46KB
MD5

421a2325377f120a39eb68ef7a3f80e1
SHA1

809ec11a3cac1ac1aa68d21c29c13f5327579c8d
SHA256

ce8eee83b5a1cf542ef86b4592ffb3be4326ac2e54f2412e07d5c66a3fee0274
SHA512

53058fe1283124202be7b1b44052b2dc868ff463d3d82c8b40a2b1f0add6381971cb94f99c6a46bdfa54a10fe19acb07edc89e424671a44a73420a9e71a8bfd4
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/hO:bgGYcA/53GAA6y37nbO

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012320-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2540	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2084	2024-02-29_421a2325377f120a39eb68ef7a3f80e1_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 2084 wrote to memory of 2540	2084	2024-02-29_421a2325377f120a39eb68ef7a3f80e1_cryptolocker.exe	28
PID 2084 wrote to memory of 2540	2084	2024-02-29_421a2325377f120a39eb68ef7a3f80e1_cryptolocker.exe	28
PID 2084 wrote to memory of 2540	2084	2024-02-29_421a2325377f120a39eb68ef7a3f80e1_cryptolocker.exe	28
PID 2084 wrote to memory of 2540	2084	2024-02-29_421a2325377f120a39eb68ef7a3f80e1_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-29_421a2325377f120a39eb68ef7a3f80e1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-29_421a2325377f120a39eb68ef7a3f80e1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2540

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\hasfj.exe

Filesize
46KB

MD5
b62ed62643ebd6b2a7cf5a9a1cac84be

SHA1
fc60a074f99fcf0fdcb11df04620f0eedcca9e06

SHA256
ee88540e902df1c06963beffa94beb94df096bad99ecfd1dad661be633968dfe

SHA512
d920d49b1ab53bb7e99ff5f249c4b34622f5a2cdef3244da3b9d3bd560fab005dd9a54bbcf6ef1b90480e6c47e7851211b1a6e74cea793d5834981c8b57fdc08

Download Submit
memory/2084-0-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2084-1-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2084-8-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2540-16-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/2540-15-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download