790d0f4cb25a686c8675f52f034b43bdd11b9f2b8a1b3dbeb74f8e821abd82cc

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
12-03-2024 05:02

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General

Target

2024-03-12_fdefccb3106a4095e2d80f684b25b2e4_cryptolocker.exe
Size

39KB
MD5

fdefccb3106a4095e2d80f684b25b2e4
SHA1

29d6dec5f512f992d1e8eaa3c1aba0c51ed476e8
SHA256

790d0f4cb25a686c8675f52f034b43bdd11b9f2b8a1b3dbeb74f8e821abd82cc
SHA512

b417ab2290b6dd59dfc3e7a0168965575d8a6009c138dd3278f01872841b8af696a795a536e963e09aec99e7f8d7fe1479c337902496f80c7603156a6badd924
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFpv:bxNrC7kYo1Fxf3s05rwxbFB

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0010000000012248-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2756	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
1280	2024-03-12_fdefccb3106a4095e2d80f684b25b2e4_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 1280 wrote to memory of 2756	1280	2024-03-12_fdefccb3106a4095e2d80f684b25b2e4_cryptolocker.exe	28
PID 1280 wrote to memory of 2756	1280	2024-03-12_fdefccb3106a4095e2d80f684b25b2e4_cryptolocker.exe	28
PID 1280 wrote to memory of 2756	1280	2024-03-12_fdefccb3106a4095e2d80f684b25b2e4_cryptolocker.exe	28
PID 1280 wrote to memory of 2756	1280	2024-03-12_fdefccb3106a4095e2d80f684b25b2e4_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-12_fdefccb3106a4095e2d80f684b25b2e4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_fdefccb3106a4095e2d80f684b25b2e4_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1280
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:2756

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
39KB

MD5
ccea012195ee5156b0b2a82b640c1590

SHA1
38d97d4ba96db7765ab3f41d74b4b44c89dbac1d

SHA256
70567b0e036dc830e7297874ee8c7dce04e4831ab9973b07577db4fa49a081fa

SHA512
5e714f8dbc5a703c97bb4511b9eb96649b13658deecf7ac435b4cddc92d390c4258169664c487d14b6434995fc2fe110dc296c32a2a2fc9ccf3bed6c7bc3e60e

Download Submit
memory/1280-0-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/1280-2-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/1280-1-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2756-15-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2756-22-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download