b679c5b69ef94f94844adcd3c8ce9ad9ff4d6eb9bfad1712856349c9bb52f806

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
14/02/2024, 14:03

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General

Target

2024-02-14_ee68e29356d80d490a4ba86eca873a5c_cryptolocker.exe
Size

74KB
MD5

ee68e29356d80d490a4ba86eca873a5c
SHA1

b3e5fb117919ccb1d577318fe23682046398e65f
SHA256

b679c5b69ef94f94844adcd3c8ce9ad9ff4d6eb9bfad1712856349c9bb52f806
SHA512

2a765c1c4b8d8d77625a44ef3b37762db61d2c2bee3dcb076720bbef05c980d8a9f886e2a0cd9aa7ff6df3341e891e70f1af1976ea1d2aa5fcf68c7c5099d3a3
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1siMOTq:X6a+SOtEvwDpjBZYvQd2k

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122f3-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122f3-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2356	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2352	2024-02-14_ee68e29356d80d490a4ba86eca873a5c_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 2352 wrote to memory of 2356	2352	2024-02-14_ee68e29356d80d490a4ba86eca873a5c_cryptolocker.exe	28
PID 2352 wrote to memory of 2356	2352	2024-02-14_ee68e29356d80d490a4ba86eca873a5c_cryptolocker.exe	28
PID 2352 wrote to memory of 2356	2352	2024-02-14_ee68e29356d80d490a4ba86eca873a5c_cryptolocker.exe	28
PID 2352 wrote to memory of 2356	2352	2024-02-14_ee68e29356d80d490a4ba86eca873a5c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-14_ee68e29356d80d490a4ba86eca873a5c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_ee68e29356d80d490a4ba86eca873a5c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2356

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\asih.exe

Filesize
74KB

MD5
721d060007a5ecfd304f997e0bdc379a

SHA1
fd0dce8d5d083cd61214d9851afea5b03c01b676

SHA256
196c4ab11da4d3c519e705b0bd37188f569a7ac49a186565528804ae9b9c748a

SHA512
1329cee6235b415cdb4b1541fa6668cdf17278d610b0f1d2fd2a1bf23ee0660917d1b5f1463600c66e3713b8b843a48eb7c53c250dd1a69ab69b86dfc1d7c35a

Download Submit
memory/2352-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2352-2-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2352-1-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2356-15-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2356-16-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download