d0226d66df568f6dc21355206cad3a9fc7e38a510a0e8df86d2eace2bd6d3752

Analysis

max time kernel
160s
max time network
163s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14-02-2024 11:39

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-02-14_32f47233e01d3c2ec8da0df554e433d5_cryptolocker.exe
Size

79KB
MD5

32f47233e01d3c2ec8da0df554e433d5
SHA1

3e0f5efb755d17df061636caf1ab23f6d2009286
SHA256

d0226d66df568f6dc21355206cad3a9fc7e38a510a0e8df86d2eace2bd6d3752
SHA512

3f6f593d786e87d7663d254564aaa9241d5c4e31c6822e3a67d21753ad7dde97266f8b37940cebbb5ee9bf69ec16a72615e47e2abe74d792ac5826729d464051
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNxl:vCjsIOtEvwDpj5H9YvQd2N

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012731-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012731-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2792	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2772	2024-02-14_32f47233e01d3c2ec8da0df554e433d5_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 2772 wrote to memory of 2792	2772	2024-02-14_32f47233e01d3c2ec8da0df554e433d5_cryptolocker.exe	28
PID 2772 wrote to memory of 2792	2772	2024-02-14_32f47233e01d3c2ec8da0df554e433d5_cryptolocker.exe	28
PID 2772 wrote to memory of 2792	2772	2024-02-14_32f47233e01d3c2ec8da0df554e433d5_cryptolocker.exe	28
PID 2772 wrote to memory of 2792	2772	2024-02-14_32f47233e01d3c2ec8da0df554e433d5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-14_32f47233e01d3c2ec8da0df554e433d5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_32f47233e01d3c2ec8da0df554e433d5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2792

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

Loading Replay Monitor...

Downloads

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

Filesize
79KB

MD5
20e70c9829b1dc617cc1978e6617c19e

SHA1
4f9a8ee35d69b1c28c41ffebc4ef70d0ea5b8a1a

SHA256
a369d7030cb0fdef238670bd47a59f06901636501d65578c40095f753ebcda35

SHA512
f920ce3cc57b0778f9c6e269340b518b93d803d860d6258369f03e9a389948d122361d66183df2e62760fa53dbae2f6ada28c1f69659b07601bdc1aac7778f29

Download Submit
memory/2772-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2772-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2772-4-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download