a1f94efcb791f7dba6b6839f469ea8593ef6e26006a6073670bd8c12c226dadd

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
28/01/2024, 23:25

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General

Target

2024-01-28_3d9ae6166d7eaf054b61e547398b3c41_cryptolocker.exe
Size

47KB
MD5

3d9ae6166d7eaf054b61e547398b3c41
SHA1

6964857474c1f791c4f64fcb19fd8487e785f6e1
SHA256

a1f94efcb791f7dba6b6839f469ea8593ef6e26006a6073670bd8c12c226dadd
SHA512

ef279341c9f3aec26e8a31c5b23536969a4275601ab78dbc13ae5cd7766eb25ce570a9a72af9ece9e925df4461206c422bc62a255057d4ac4d1731479ca2e6d0
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6ddZUlR:bgGYcA/53GAA6y37Q6ddoR

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000014826-13.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2624	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2348	2024-01-28_3d9ae6166d7eaf054b61e547398b3c41_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 2348 wrote to memory of 2624	2348	2024-01-28_3d9ae6166d7eaf054b61e547398b3c41_cryptolocker.exe	28
PID 2348 wrote to memory of 2624	2348	2024-01-28_3d9ae6166d7eaf054b61e547398b3c41_cryptolocker.exe	28
PID 2348 wrote to memory of 2624	2348	2024-01-28_3d9ae6166d7eaf054b61e547398b3c41_cryptolocker.exe	28
PID 2348 wrote to memory of 2624	2348	2024-01-28_3d9ae6166d7eaf054b61e547398b3c41_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-28_3d9ae6166d7eaf054b61e547398b3c41_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-28_3d9ae6166d7eaf054b61e547398b3c41_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2624

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

C:\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
47KB

MD5
5cdea0132bc6533a166859019658643f

SHA1
70dc3201e86ba6530f6cab82164339e5a86ae393

SHA256
85534980faae574051098cd2820f9511b397274cdeabd27afc533f7bd63dcc29

SHA512
05fb61adbd87207bab7315798d44cf5b2b815b1c990147bb805d719c23b402d02031ccdf2084de97a776c62ef39eec6ebe048f23223f9f3848eb05c647cf4419

Download Submit
memory/2348-0-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download
memory/2348-1-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download
memory/2348-5-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download
memory/2624-15-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2624-22-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download