c5fe884397fd9ad620bde976b57946ab6483516de309b62712f43514bbdb65d6

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12/02/2024, 14:00

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General

Target

2024-02-12_e57be985168e259b821b9b6e729da62b_cryptolocker.exe
Size

41KB
MD5

e57be985168e259b821b9b6e729da62b
SHA1

193d47c27c0c0a8d9d5fb6f0f52d1a8755056444
SHA256

c5fe884397fd9ad620bde976b57946ab6483516de309b62712f43514bbdb65d6
SHA512

6ee0a78e9282299d9c5dc4afde36da35986b8ef08908545cc71b8454fae0317710073722ec461988f2e2478788bd2523b976b1d6e8de53ce7e3989cdb2aa56c6
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+syk:bgGYcA/53GADw8Cl/k

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012248-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2172	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2616	2024-02-12_e57be985168e259b821b9b6e729da62b_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 2616 wrote to memory of 2172	2616	2024-02-12_e57be985168e259b821b9b6e729da62b_cryptolocker.exe	28
PID 2616 wrote to memory of 2172	2616	2024-02-12_e57be985168e259b821b9b6e729da62b_cryptolocker.exe	28
PID 2616 wrote to memory of 2172	2616	2024-02-12_e57be985168e259b821b9b6e729da62b_cryptolocker.exe	28
PID 2616 wrote to memory of 2172	2616	2024-02-12_e57be985168e259b821b9b6e729da62b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-12_e57be985168e259b821b9b6e729da62b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-12_e57be985168e259b821b9b6e729da62b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2172

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
42KB

MD5
fde9592e555f77218fd9475031833bdb

SHA1
801177c1ce4f6b365ee520dec5c3192c0fd42160

SHA256
96b01d41e0da313e56a8768b12dd3c920a72f602e06e916f59efea74e845170c

SHA512
105ee8b4d4b63b61d420363cf323a24a362b5d7d7a2b642136eb0669a2458fa2c12f28ba18eadc1a29d381ae174b24916f466a3e7148ea2074eeb76db01c63ca

Download Submit
memory/2172-15-0x0000000001BC0000-0x0000000001BC6000-memory.dmp

Filesize
24KB

Download
memory/2172-19-0x0000000001BA0000-0x0000000001BA6000-memory.dmp

Filesize
24KB

Download
memory/2616-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2616-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2616-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download