3b9193480a544e5b7ff72ba9a0cd92d0781324f422a94212ec9c109d5f9c41b0

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24/04/2024, 22:30

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General

Target

2024-04-24_9973f8c2bcc0768b96f3ba05d2e3adb8_cryptolocker.exe
Size

36KB
MD5

9973f8c2bcc0768b96f3ba05d2e3adb8
SHA1

4f090606cb5f909c4a71d38e436ebc8aadb6d593
SHA256

3b9193480a544e5b7ff72ba9a0cd92d0781324f422a94212ec9c109d5f9c41b0
SHA512

cde1956c41f052171b766f99dcc8568ef0114d0abe7f7af87e81c91dd52aebd90befe37911622f8490b3b76247e9e462c9ec70dff1deeee6b4de6f2db9417249
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4/W:fT+hsMQMOtEvwDpjoIHe

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

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

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012255-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2356	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2944	2024-04-24_9973f8c2bcc0768b96f3ba05d2e3adb8_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 2944 wrote to memory of 2356	2944	2024-04-24_9973f8c2bcc0768b96f3ba05d2e3adb8_cryptolocker.exe	28
PID 2944 wrote to memory of 2356	2944	2024-04-24_9973f8c2bcc0768b96f3ba05d2e3adb8_cryptolocker.exe	28
PID 2944 wrote to memory of 2356	2944	2024-04-24_9973f8c2bcc0768b96f3ba05d2e3adb8_cryptolocker.exe	28
PID 2944 wrote to memory of 2356	2944	2024-04-24_9973f8c2bcc0768b96f3ba05d2e3adb8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-24_9973f8c2bcc0768b96f3ba05d2e3adb8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-24_9973f8c2bcc0768b96f3ba05d2e3adb8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2356

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\misid.exe

Filesize
36KB

MD5
8a952aa1036d1c9d88ace00473727a31

SHA1
354dd5474528984c554111c6c845f947ba67c76f

SHA256
db4cc972c447ff1b06d5330d9c84bd9d97db4502ac4f7305f204dcc6f6a6c1ec

SHA512
71e8c909bf27b00438027bd854e3a53b5c0b4d3baa4b54ae9c061dab508821b54ca731d339b27e3246f18ccd9f2ffe4702f06035437e5ab24d3b419424279d30

Download Submit
memory/2356-15-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2356-16-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2944-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2944-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2944-2-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download