bfa567dfaf2266786510bf68d27728f153de0533f38cbbf00643779cf499d68e

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/04/2024, 13:08

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General

Target

2024-04-25_c9c85a1e3bb6d913e693aa9097b708c6_cryptolocker.exe
Size

49KB
MD5

c9c85a1e3bb6d913e693aa9097b708c6
SHA1

f7fb0c424865dc7658147e2f251140dd4ff8bc74
SHA256

bfa567dfaf2266786510bf68d27728f153de0533f38cbbf00643779cf499d68e
SHA512

fac969dff0a0821b92ad64a79713df8a25514904fbdbb0457ee8b75e1e66be99e0e1c23e6ef1fa67878e20a7251fe60642ca7bb13c659c7b15e93ed4986ba4d4
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprqQ15x8p:ZVxkGOtEvwDpjcd

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224c-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1960	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2892	2024-04-25_c9c85a1e3bb6d913e693aa9097b708c6_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 2892 wrote to memory of 1960	2892	2024-04-25_c9c85a1e3bb6d913e693aa9097b708c6_cryptolocker.exe	28
PID 2892 wrote to memory of 1960	2892	2024-04-25_c9c85a1e3bb6d913e693aa9097b708c6_cryptolocker.exe	28
PID 2892 wrote to memory of 1960	2892	2024-04-25_c9c85a1e3bb6d913e693aa9097b708c6_cryptolocker.exe	28
PID 2892 wrote to memory of 1960	2892	2024-04-25_c9c85a1e3bb6d913e693aa9097b708c6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-25_c9c85a1e3bb6d913e693aa9097b708c6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-25_c9c85a1e3bb6d913e693aa9097b708c6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1960

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
49KB

MD5
fc83f399e0158ba45331695bc1c1c49c

SHA1
529a60e872652690917aed36183f5140700857f2

SHA256
513b854300003bfba83a0116be3700123fdf9736a053bc9bd744731debbe9cd4

SHA512
1f8d6d9a85dad1ba03a252a22e78bf2bbb0dc9b2be406565dc17361d8858b6c8c4044a7a6e55b2e58606ff36b645a93a6cb2cc7ee4d41ca68f21d8fa5bf914bd

Download Submit
memory/1960-14-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1960-16-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/1960-23-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2892-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2892-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2892-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download