d95aad971daac239dbe9632c498492228ebc6d2b5eccfb94d8b21fe69ac7ff74

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
17-02-2024 22:01

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General

Target

2024-02-17_dd79cb5440732f74bf138d294cdd24c4_cryptolocker.exe
Size

35KB
MD5

dd79cb5440732f74bf138d294cdd24c4
SHA1

bc5161abe9657964953459d1fb69c3bec44ce030
SHA256

d95aad971daac239dbe9632c498492228ebc6d2b5eccfb94d8b21fe69ac7ff74
SHA512

3bd832beef4dfe47784c573616a79b351ffc2edfd4afd802ba83e0fd7432bf29dfad7be31abd638df84fab41b6d7b11d58e29d9f9dba22f36dc925bdbc5170b2
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJA2R:ZzFbxmLPWQMOtEvwDpjLeJAO

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012252-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2708	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1208	2024-02-17_dd79cb5440732f74bf138d294cdd24c4_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 1208 wrote to memory of 2708	1208	2024-02-17_dd79cb5440732f74bf138d294cdd24c4_cryptolocker.exe	28
PID 1208 wrote to memory of 2708	1208	2024-02-17_dd79cb5440732f74bf138d294cdd24c4_cryptolocker.exe	28
PID 1208 wrote to memory of 2708	1208	2024-02-17_dd79cb5440732f74bf138d294cdd24c4_cryptolocker.exe	28
PID 1208 wrote to memory of 2708	1208	2024-02-17_dd79cb5440732f74bf138d294cdd24c4_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-17_dd79cb5440732f74bf138d294cdd24c4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-17_dd79cb5440732f74bf138d294cdd24c4_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2708

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
35KB

MD5
66eba89b938dbcfc9fe1f08803962eaf

SHA1
e7e0e79926bd45b23326aa387d2b13f5b3969a47

SHA256
a8bb9a90d6f76a81734f994542aa80bed559eae494a07324492bda6e0844a121

SHA512
f06f830f84478b92f2c2a4f2bd6558b93fb816c2bbab22da466550cf0c9a10df32e28d16ed5b4cb5a096bbabd80d79577ea94fbe316134e5672df2aa5fc4385c

Download Submit
memory/1208-1-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1208-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1208-2-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/1208-7-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2708-17-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2708-16-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2708-24-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download