8209f427443726197099818e7b8a15290005cbfb1136b5980d5f479bb1e25817

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04/05/2024, 02:22

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General

Target

2024-05-04_05e3ffb442e00d264944704f68d9e6b2_cryptolocker.exe
Size

84KB
MD5

05e3ffb442e00d264944704f68d9e6b2
SHA1

e2fa0751403615071f83cdd771d38bbed249f675
SHA256

8209f427443726197099818e7b8a15290005cbfb1136b5980d5f479bb1e25817
SHA512

94c5446d96f7344caad1d0d6629e725402f18431d82612ab7a4e052af5c6c266ab633557eee2fb288b0270263495d2e319a8e65ddc69cfb74beda571fd0ab7de
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNBY:vCjsIOtEvwDpj5H9YvQd2Q

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000132c6-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000132c6-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2992	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2484	2024-05-04_05e3ffb442e00d264944704f68d9e6b2_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 2484 wrote to memory of 2992	2484	2024-05-04_05e3ffb442e00d264944704f68d9e6b2_cryptolocker.exe	28
PID 2484 wrote to memory of 2992	2484	2024-05-04_05e3ffb442e00d264944704f68d9e6b2_cryptolocker.exe	28
PID 2484 wrote to memory of 2992	2484	2024-05-04_05e3ffb442e00d264944704f68d9e6b2_cryptolocker.exe	28
PID 2484 wrote to memory of 2992	2484	2024-05-04_05e3ffb442e00d264944704f68d9e6b2_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-04_05e3ffb442e00d264944704f68d9e6b2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-04_05e3ffb442e00d264944704f68d9e6b2_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2992

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
85KB

MD5
52166a9e495b27ed532eeee0214af450

SHA1
0eac83ae8c084d8fda106d55202f592593dc0524

SHA256
8a776589b8cc64be8224d00beb9def6e6cd32f50d7f49bcde70b821be09c6729

SHA512
fb3d140078a6e8409d159974fc4a5a9780106a8e65a8c7957f8ced09348b7d01ba6e513fcaaa696dd0545c600f7f85bd113473e1614c80862be255d92aa7d2b2

Download Submit
memory/2484-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2484-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2484-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2992-15-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2992-22-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download