b124122a7f19b0a4ded2d57e335543e2463f002467884ceb4d0e721bce1c73c6

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
09/03/2024, 02:47

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General

Target

2024-03-09_ae7013fde62085839ed83f921accf8f7_cryptolocker.exe
Size

37KB
MD5

ae7013fde62085839ed83f921accf8f7
SHA1

42a3f5c75a47f58ba8c128141a37e2d30f4cc1ce
SHA256

b124122a7f19b0a4ded2d57e335543e2463f002467884ceb4d0e721bce1c73c6
SHA512

91753561d355c71dce8620737631d041de2731770896294b23e67be1c3a9b67495710ffb9c7d50683a8f4c0f3c74d87dc98cef26bd0c83660cc72fbac1c13ce0
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkLCn:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkLY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/2152-1-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000a000000012255-11.dat	CryptoLocker_rule2
behavioral1/memory/2152-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/300-17-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/2152-1-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000a000000012255-11.dat	CryptoLocker_set1
behavioral1/memory/2152-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/300-17-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
300	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2152	2024-03-09_ae7013fde62085839ed83f921accf8f7_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 2152 wrote to memory of 300	2152	2024-03-09_ae7013fde62085839ed83f921accf8f7_cryptolocker.exe	28
PID 2152 wrote to memory of 300	2152	2024-03-09_ae7013fde62085839ed83f921accf8f7_cryptolocker.exe	28
PID 2152 wrote to memory of 300	2152	2024-03-09_ae7013fde62085839ed83f921accf8f7_cryptolocker.exe	28
PID 2152 wrote to memory of 300	2152	2024-03-09_ae7013fde62085839ed83f921accf8f7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-09_ae7013fde62085839ed83f921accf8f7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-09_ae7013fde62085839ed83f921accf8f7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:300

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
37KB

MD5
343366a96cb26616d8d2bca7314efdc7

SHA1
724b3b22edc4a9bb1b2689d4aacf15ce18aeb978

SHA256
334ba0af67ee5b90a40952f518d7f48c457d76051bcfbc1dccb1668f1fadd1cf

SHA512
04bbcbdd34b323cafa900a05115f2fceddc7fd8fc2a2a5959d8c2992c8a238467c76ff5b4e4210ad4c4f1e3d83ed0cd7234a055dd5d1d961f4ab8ec223559611

Download Submit
memory/300-18-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/300-20-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/300-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2152-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2152-2-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2152-1-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2152-3-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2152-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download