c46a219e1c03dd3b1a6facd2a8f1143b03b0226f05a31bdb9454e45f82319bb1

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
28/01/2024, 01:35 UTC

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General

Target

2024-01-28_780d80309d8a1306c5c759994889ac95_cryptolocker.exe
Size

40KB
MD5

780d80309d8a1306c5c759994889ac95
SHA1

4619bbe279fad714f4a46b9591f668ad1aa63a94
SHA256

c46a219e1c03dd3b1a6facd2a8f1143b03b0226f05a31bdb9454e45f82319bb1
SHA512

be9d2384c2a6ac48eb997fe96931405846bb82d9d5e627e0dd2054e97193c2adc0859eb734debb3f9aad4855409a9c0e7723a3d68a9eace27240da4a54e5ec5a
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+s2Md5:bgGYcA/53GADw8Clgd5

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000122c4-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2712	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1676	2024-01-28_780d80309d8a1306c5c759994889ac95_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 1676 wrote to memory of 2712	1676	2024-01-28_780d80309d8a1306c5c759994889ac95_cryptolocker.exe	28
PID 1676 wrote to memory of 2712	1676	2024-01-28_780d80309d8a1306c5c759994889ac95_cryptolocker.exe	28
PID 1676 wrote to memory of 2712	1676	2024-01-28_780d80309d8a1306c5c759994889ac95_cryptolocker.exe	28
PID 1676 wrote to memory of 2712	1676	2024-01-28_780d80309d8a1306c5c759994889ac95_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-28_780d80309d8a1306c5c759994889ac95_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-28_780d80309d8a1306c5c759994889ac95_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1676
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2712

Network

DNS

mytarta.com

hasfj.exe

Remote address:

8.8.8.8:53

Request

mytarta.com

IN A

Response

No results found

8.8.8.8:53

mytarta.com

dns

hasfj.exe

57 B
107 B
1
1

DNS Request

mytarta.com

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
40KB

MD5
ce9aa53f000f934fdfb88793eee76c54

SHA1
eaa11db2aea0e771d68f9a58043782ea31df1c37

SHA256
3bd9326c34f4ad5666d8c21c90ba9c085116cf1aba742f2e0362e7336fe2130e

SHA512
6f636b164175cb9dd08765270f5799ba8498df7532119c1a6cfb6884269166d8e41f1128dc814ab8b419d85b8397ac3bd3ac33418f5968e16e540b9751f85412

Download Submit
memory/1676-0-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/1676-1-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1676-8-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2712-15-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2712-18-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download