68ee359596197f9cc6b701f26c0a8a95bc8e3b34913163f485b596af4027d440

Analysis

max time kernel
149s
max time network
155s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
12-06-2024 23:27

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General

Target

2024-06-12_4ddae2179298b4d10963d49eeee2ff2c_cryptolocker.exe
Size

47KB
MD5

4ddae2179298b4d10963d49eeee2ff2c
SHA1

d28c4f67efb066d664b880d45d7302f44e0547d6
SHA256

68ee359596197f9cc6b701f26c0a8a95bc8e3b34913163f485b596af4027d440
SHA512

c3645f87236616cf7ff119f972d0f1fcbdb67d856aa11a0ad05393cd89d3707e54e2e1af3e4dc0aa96b39ef53722a51c42b23d592195cc4a0428cef4172f9eeb
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPYY:P6QFElP6k+MRQMOtEvwDpjBQpVXjY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/2964-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000c000000012269-11.dat	CryptoLocker_rule2
behavioral1/memory/3036-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2964-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/3036-26-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/2964-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000c000000012269-11.dat	CryptoLocker_set1
behavioral1/memory/3036-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2964-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/3036-26-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3036	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2964	2024-06-12_4ddae2179298b4d10963d49eeee2ff2c_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 2964 wrote to memory of 3036	2964	2024-06-12_4ddae2179298b4d10963d49eeee2ff2c_cryptolocker.exe	28
PID 2964 wrote to memory of 3036	2964	2024-06-12_4ddae2179298b4d10963d49eeee2ff2c_cryptolocker.exe	28
PID 2964 wrote to memory of 3036	2964	2024-06-12_4ddae2179298b4d10963d49eeee2ff2c_cryptolocker.exe	28
PID 2964 wrote to memory of 3036	2964	2024-06-12_4ddae2179298b4d10963d49eeee2ff2c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-12_4ddae2179298b4d10963d49eeee2ff2c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-12_4ddae2179298b4d10963d49eeee2ff2c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3036

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\asih.exe

Filesize
47KB

MD5
21209ad763f979e6e7bb11ad9b7eddc8

SHA1
4b750cb65aa787a876b235a575b4cb47059d23eb

SHA256
c4c4d79cfd8f83538b0ee80e2c3f9f00437ded2a6b6b438e3e7614d168ce2b76

SHA512
0a88660ad6fb4554e3840a087703712ac7fa0b8b80020a5daea460fe14374350f48aedc095a73cc4369f922401246d3d57d68c34bc1f2264039a7a88c5b620fa

Download Submit
memory/2964-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2964-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2964-2-0x0000000001CD0000-0x0000000001CD6000-memory.dmp

Filesize
24KB

Download
memory/2964-9-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2964-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3036-16-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3036-18-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/3036-25-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3036-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download