63e3b5e0e9f9d1c2d06a2bbd352a2710da5c3965de025646e2d5ac42ac844b3c

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
05/05/2024, 01:22

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General

Target

2024-05-05_5e7f109421c3b5a0c108e4dba938fda0_cryptolocker.exe
Size

82KB
MD5

5e7f109421c3b5a0c108e4dba938fda0
SHA1

204b4665556e9e91a2bd3844e235a5ea7a9ceaca
SHA256

63e3b5e0e9f9d1c2d06a2bbd352a2710da5c3965de025646e2d5ac42ac844b3c
SHA512

273ab1b360fcd815606b89245fcf8779188977e20c782d673eeaf34e9e0ea7a82e50097a95ab44efc0416fd396d63590ec29600bb1c22d42db4b703c909f9d6b
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNq5:vCjsIOtEvwDpj5H9YvQd2A

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000015cb1-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000015cb1-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2524	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1992	2024-05-05_5e7f109421c3b5a0c108e4dba938fda0_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 1992 wrote to memory of 2524	1992	2024-05-05_5e7f109421c3b5a0c108e4dba938fda0_cryptolocker.exe	28
PID 1992 wrote to memory of 2524	1992	2024-05-05_5e7f109421c3b5a0c108e4dba938fda0_cryptolocker.exe	28
PID 1992 wrote to memory of 2524	1992	2024-05-05_5e7f109421c3b5a0c108e4dba938fda0_cryptolocker.exe	28
PID 1992 wrote to memory of 2524	1992	2024-05-05_5e7f109421c3b5a0c108e4dba938fda0_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-05_5e7f109421c3b5a0c108e4dba938fda0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-05_5e7f109421c3b5a0c108e4dba938fda0_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2524

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
82KB

MD5
59de73c2ba99fe758d808f16e00b79d2

SHA1
201315661c2beae973ce3d49a246e1d59d311280

SHA256
d5db427e0630df00733d1f830f948c475f7008a420f9d4404b8e0c0753cc38e1

SHA512
b4b229303adf215507e3a39edd485b364a5ba3b264d02b6c6dfbbb74b860704b3f9db26acddb4deb06c78e849021508b05a3a832d5b7a146901c92db138b5aa8

Download Submit
memory/1992-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1992-1-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/1992-8-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2524-15-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2524-22-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download