14df634e3e23a37b6dfd6c035a41d0a3a78f30e16b220c353406ab043c46119f

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
27/02/2024, 19:26

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General

Target

2024-02-27_4141d21b9e4096dfa912fd45f355c7e1_cryptolocker.exe
Size

49KB
MD5

4141d21b9e4096dfa912fd45f355c7e1
SHA1

85fc121d0075fefede08c1ecaea2dd861a725d19
SHA256

14df634e3e23a37b6dfd6c035a41d0a3a78f30e16b220c353406ab043c46119f
SHA512

afa379459a46412b840ed69ada45eaec53d95a6d6d73ec19c7963fb267e68bbaf4c13c6ebce0e14862014b40cf5523ec75c5064a29752077f24337b4518712da
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dIKld5CSz8:bgGYcA/53GAA6y37Q6dI+d5b8

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000122bf-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2944	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2740	2024-02-27_4141d21b9e4096dfa912fd45f355c7e1_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 2740 wrote to memory of 2944	2740	2024-02-27_4141d21b9e4096dfa912fd45f355c7e1_cryptolocker.exe	28
PID 2740 wrote to memory of 2944	2740	2024-02-27_4141d21b9e4096dfa912fd45f355c7e1_cryptolocker.exe	28
PID 2740 wrote to memory of 2944	2740	2024-02-27_4141d21b9e4096dfa912fd45f355c7e1_cryptolocker.exe	28
PID 2740 wrote to memory of 2944	2740	2024-02-27_4141d21b9e4096dfa912fd45f355c7e1_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-27_4141d21b9e4096dfa912fd45f355c7e1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-27_4141d21b9e4096dfa912fd45f355c7e1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2944

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\hasfj.exe

Filesize
49KB

MD5
d701c28a3f9e7d6e1b2ac918797271ff

SHA1
0d86b20d8bfacee32b50c2e8677f7ccbfe04165e

SHA256
3b684e8b8c586ae10c34bd24fbfb6f7d0964fceb0db8803925d859881e10c796

SHA512
b9476a69e104c1457f57acd16b441190d0fca63d56f5ac42c44bb7f0eb224610d56dde643228afd847e5e739da01487409eef80c0e103d4fe5201be771c902ff

Download Submit
memory/2740-0-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2740-1-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/2740-8-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2944-15-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2944-22-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download