85aad8595e502678e159e83345ba1e59df3a039f171d2287f5c416b4fa42bd7c

Analysis

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

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26-05-2024 02:42

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General

Target

2024-05-26_c4170eff6970be4ddbde1629352c4178_cryptolocker.exe
Size

78KB
MD5

c4170eff6970be4ddbde1629352c4178
SHA1

f40b711da0273da30fa6affe24e5f6253e315a92
SHA256

85aad8595e502678e159e83345ba1e59df3a039f171d2287f5c416b4fa42bd7c
SHA512

8d07d67ab06baa6040c41ffcb284e95e837ed4b9fa3a4c795e224443ae22f0f32ffe5a21de5d7717cae905519b46c82288ead7bf893360287aebb9b431995255
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuf4:vCjsIOtEvwDpj5H9YvQd2c

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000167ef-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000167ef-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2476	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1732	2024-05-26_c4170eff6970be4ddbde1629352c4178_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 1732 wrote to memory of 2476	1732	2024-05-26_c4170eff6970be4ddbde1629352c4178_cryptolocker.exe	28
PID 1732 wrote to memory of 2476	1732	2024-05-26_c4170eff6970be4ddbde1629352c4178_cryptolocker.exe	28
PID 1732 wrote to memory of 2476	1732	2024-05-26_c4170eff6970be4ddbde1629352c4178_cryptolocker.exe	28
PID 1732 wrote to memory of 2476	1732	2024-05-26_c4170eff6970be4ddbde1629352c4178_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-26_c4170eff6970be4ddbde1629352c4178_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-26_c4170eff6970be4ddbde1629352c4178_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2476

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
c8d4b3e4e2cae468c093b81814a6617e

SHA1
b410d85da2cdc3098f35646f6d60c82cd8468eee

SHA256
2d034bf956f20df54dfb07e4ab5e5c8be13f6a8486ee4b2b9f438d3b6fc2a8ef

SHA512
66b13bf654f48632ba951fa248e4a3a38d6443ff24e32353fced4cacf0fe323e45b0746401090c718e242173f7726f65daf7b18f943e7b4fa51c5da90da38c5f

Download Submit
memory/1732-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1732-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1732-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2476-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download