bb67f8671fb908f4b9b642f4b25360dee6fe628c48702126ffb909797f78c66a

Analysis

max time kernel
150s
max time network
141s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
17/02/2024, 19:22

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General

Target

2024-02-17_0c576cdbe6e9505b32ced6df40ae904e_cryptolocker.exe
Size

78KB
MD5

0c576cdbe6e9505b32ced6df40ae904e
SHA1

e4b993224244bca4637e7a4d12afd155c64dcf75
SHA256

bb67f8671fb908f4b9b642f4b25360dee6fe628c48702126ffb909797f78c66a
SHA512

ebf2c91bbc33f400239fce7bd2a5866a7cb846cc43de3740b5f3ee7a5bd172b3f218903a52049af545b897a1d9789322894798e59285c51292a774805bbe6341
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWaO0B:vCjsIOtEvwDpj5H9YvQd2L

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012263-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012263-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2360	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2204	2024-02-17_0c576cdbe6e9505b32ced6df40ae904e_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 2204 wrote to memory of 2360	2204	2024-02-17_0c576cdbe6e9505b32ced6df40ae904e_cryptolocker.exe	28
PID 2204 wrote to memory of 2360	2204	2024-02-17_0c576cdbe6e9505b32ced6df40ae904e_cryptolocker.exe	28
PID 2204 wrote to memory of 2360	2204	2024-02-17_0c576cdbe6e9505b32ced6df40ae904e_cryptolocker.exe	28
PID 2204 wrote to memory of 2360	2204	2024-02-17_0c576cdbe6e9505b32ced6df40ae904e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-17_0c576cdbe6e9505b32ced6df40ae904e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-17_0c576cdbe6e9505b32ced6df40ae904e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2360

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
78KB

MD5
418db9ed1abc8377f92bdfb1cd1822c3

SHA1
b10bfd7fb62000417a237eb32f0a4130859f09cf

SHA256
860cd3ba72b7be0eeba7431d96ba649d731587de440935c0ff4b8df0461d6e37

SHA512
39831515428cf322072e0b240c4dfd7ac2cfd3285256e77fb1b65d66df0d0c96758133c7035c9990ad035c309f26dea38fa59a1cff2054cc32561bb247913ce0

Download Submit
memory/2204-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2204-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2204-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2360-15-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/2360-17-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download