7ec94fb239d677acf2d505e5761da4b73bbff94b68e1c576bf1faf1c61317ae1

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 08:30

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General

Target

2024-02-22_20a9c543d5ea76745517e9b23f121c9b_cryptolocker.exe
Size

78KB
MD5

20a9c543d5ea76745517e9b23f121c9b
SHA1

4e733cf51c1c457441497fd67ae7c4d318feac00
SHA256

7ec94fb239d677acf2d505e5761da4b73bbff94b68e1c576bf1faf1c61317ae1
SHA512

6fbb04a4565f014da66ceb9b0f4a9271e608cdbc3f6a1b810dff46e4056c336e20eabd808ddda2576d842aaaf13da911a162b33ec0492b2e26a38a913510fdc8
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuf7G2:vCjsIOtEvwDpj5H9YvQd2Z

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00070000000122be-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x00070000000122be-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2496	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2908	2024-02-22_20a9c543d5ea76745517e9b23f121c9b_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 2908 wrote to memory of 2496	2908	2024-02-22_20a9c543d5ea76745517e9b23f121c9b_cryptolocker.exe	28
PID 2908 wrote to memory of 2496	2908	2024-02-22_20a9c543d5ea76745517e9b23f121c9b_cryptolocker.exe	28
PID 2908 wrote to memory of 2496	2908	2024-02-22_20a9c543d5ea76745517e9b23f121c9b_cryptolocker.exe	28
PID 2908 wrote to memory of 2496	2908	2024-02-22_20a9c543d5ea76745517e9b23f121c9b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-22_20a9c543d5ea76745517e9b23f121c9b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_20a9c543d5ea76745517e9b23f121c9b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2496

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

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
78KB

MD5
1e7435c6105ab7af5fe91796281f3ee2

SHA1
ec7dcdc30dd5398be22f71c44857fd342eeeaf8c

SHA256
5992ac2703cae587981fa384a0921c3ae0c83c8c5fd3a76b229616507f412b36

SHA512
e9994202e27c4c7a4a8210a426b9c3b2da8d6e990819ce31890deab5c394b6e129e68cb662aa12bbdfdc48ed85dd326a52069e5c92f5bf0483299a269317bab9

Download Submit
memory/2496-16-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2496-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2908-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2908-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2908-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download