7e89cf814a0beeef26c13c99b5559eeb05f70d0aeda5dd761a01a56f9945c4a5

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12/03/2024, 20:35

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General

Target

2024-03-12_9e8502d6e904dc39695e3b2312b5564f_cryptolocker.exe
Size

34KB
MD5

9e8502d6e904dc39695e3b2312b5564f
SHA1

3275ad8236e76bbaab2d2a20055ef1c43758f131
SHA256

7e89cf814a0beeef26c13c99b5559eeb05f70d0aeda5dd761a01a56f9945c4a5
SHA512

b8d0f11db73448489a63ca38e246e6f2e1e3a8644817d762566199d20e7eb746e39fde3c75b2b2ee43e3880decc1127115562c2ab69efd60138bfdb0f68471ed
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunexRlSrxV1P8:bA74zYcgT/Ekd0ryfjPIunYwfP8

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001224d-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2332	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1972	2024-03-12_9e8502d6e904dc39695e3b2312b5564f_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 1972 wrote to memory of 2332	1972	2024-03-12_9e8502d6e904dc39695e3b2312b5564f_cryptolocker.exe	28
PID 1972 wrote to memory of 2332	1972	2024-03-12_9e8502d6e904dc39695e3b2312b5564f_cryptolocker.exe	28
PID 1972 wrote to memory of 2332	1972	2024-03-12_9e8502d6e904dc39695e3b2312b5564f_cryptolocker.exe	28
PID 1972 wrote to memory of 2332	1972	2024-03-12_9e8502d6e904dc39695e3b2312b5564f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-12_9e8502d6e904dc39695e3b2312b5564f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_9e8502d6e904dc39695e3b2312b5564f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2332

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
35KB

MD5
f9a4873d1313d7b682ca5a1a68123eb7

SHA1
1cb4106fb37ba3f0550bfa8044d0075e7c173397

SHA256
4232cb5a37427632e96c4b06e5c5fe81e04e497236242816089ba51e94ae9a15

SHA512
29a365f287b5a55cd66488f4af4fad4d3e1f7504285f6398905480a9f11e26043671d483fd040bd659c4123d41754b0f257b18da71f02a0ab4d1935a671a9ddd

Download Submit
memory/1972-0-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1972-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1972-7-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2332-17-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2332-15-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download