68aa37c3533154a3f9487728d775bf16fbc2ec48ef748b03fc61eb21be31648a

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19/02/2024, 05:45

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General

Target

2024-02-19_a6045f83b2b9524b9f07487bfc7017ef_cryptolocker.exe
Size

30KB
MD5

a6045f83b2b9524b9f07487bfc7017ef
SHA1

ce48251b1480c921f363308cc381c50ead76ec96
SHA256

68aa37c3533154a3f9487728d775bf16fbc2ec48ef748b03fc61eb21be31648a
SHA512

0d9650e031a87b13ef598686f0f4cd5f9cea343e9be2388c01c6247a95ad14f4e9425eba001e0f5c5094131e8029e0e51a657e0aec859b2f4d9f82160d3f6d77
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUr766SJ5S+z/T:bA74zYcgT/Ekd0ryfjQRSnrjT

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012255-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2876	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2060	2024-02-19_a6045f83b2b9524b9f07487bfc7017ef_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 2060 wrote to memory of 2876	2060	2024-02-19_a6045f83b2b9524b9f07487bfc7017ef_cryptolocker.exe	28
PID 2060 wrote to memory of 2876	2060	2024-02-19_a6045f83b2b9524b9f07487bfc7017ef_cryptolocker.exe	28
PID 2060 wrote to memory of 2876	2060	2024-02-19_a6045f83b2b9524b9f07487bfc7017ef_cryptolocker.exe	28
PID 2060 wrote to memory of 2876	2060	2024-02-19_a6045f83b2b9524b9f07487bfc7017ef_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-19_a6045f83b2b9524b9f07487bfc7017ef_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-19_a6045f83b2b9524b9f07487bfc7017ef_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2876

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
30KB

MD5
9e5c3cbb0836f8a20248b5e834aeeff9

SHA1
9aed582a85879b4f9d1386984206a633c72c6e45

SHA256
b35af51b98bd57f50e90287f322101e5ae12da9bb3766919c994b2d498abafc2

SHA512
c39ec65455ec42d99960e96585d6bb360f6fee446bafd6aa7796a87991133a25e3a0a36e89c2602dbac103a11a7b4e86cc03ada4caf583a307e527c50bc492e0

Download Submit
memory/2060-0-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2060-1-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2060-2-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2876-17-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download