3b0f578801978c3bec89bdb034de465d1550ad60da0bf5cf449043d89ee14076

Analysis

max time kernel
146s
max time network
151s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/05/2024, 11:23

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General

Target

2024-05-09_0aa8386191d0c64ac41c027af4a304f5_cryptolocker.exe
Size

38KB
MD5

0aa8386191d0c64ac41c027af4a304f5
SHA1

c99a1e7bd662733ef73f52aeb64b81a82e804b88
SHA256

3b0f578801978c3bec89bdb034de465d1550ad60da0bf5cf449043d89ee14076
SHA512

f1173e623349b463939b9617a2b62042924b2214eaf63f7df3a2bf9c91914bef32be748f7d213e6524d734b9af0a96126d24a1d687aa4d01707b4b749cf511c3
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenf8j:ZzFbxmLPWQMOtEvwDpjLefw

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000155e2-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2520	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2456	2024-05-09_0aa8386191d0c64ac41c027af4a304f5_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 2456 wrote to memory of 2520	2456	2024-05-09_0aa8386191d0c64ac41c027af4a304f5_cryptolocker.exe	28
PID 2456 wrote to memory of 2520	2456	2024-05-09_0aa8386191d0c64ac41c027af4a304f5_cryptolocker.exe	28
PID 2456 wrote to memory of 2520	2456	2024-05-09_0aa8386191d0c64ac41c027af4a304f5_cryptolocker.exe	28
PID 2456 wrote to memory of 2520	2456	2024-05-09_0aa8386191d0c64ac41c027af4a304f5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-09_0aa8386191d0c64ac41c027af4a304f5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-09_0aa8386191d0c64ac41c027af4a304f5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2456
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2520

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
38KB

MD5
cfd331fa895fe837027221c7e6112481

SHA1
db5204e8f3d78c85f819f757e21b7927fda699bf

SHA256
a59336500a3f77977e7c6fc5ab12a778cd49d5f041da391b38c238496acdfce6

SHA512
b9f85805f13cf02871c954ca6222624a139b1029c9890e7747ee1b668cdeee3ee5d3a7001a80648dfa25981b9bd0ed6790c4d7e915ef71f633025518a446bd63

Download Submit
memory/2456-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2456-0-0x00000000001C0000-0x00000000001C3000-memory.dmp

Filesize
12KB

Download
memory/2456-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2456-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2520-15-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2520-17-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2520-24-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download