d4851b16932b62b76304d460282bc096765602eb2fb98fc371109ea7c8a79532

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
18/03/2024, 16:50

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General

Target

2024-03-18_f738e0b8dc6d5f8084286effd18942a1_cryptolocker.exe
Size

127KB
MD5

f738e0b8dc6d5f8084286effd18942a1
SHA1

a00e42931b1ed07f08243453b96cd97614d60b10
SHA256

d4851b16932b62b76304d460282bc096765602eb2fb98fc371109ea7c8a79532
SHA512

1ad19b78266fab917189dfb16f34a744f89115f6ce090d5aabe90179a33714673ec04f06c182a5cc1cce4eee8dbb79e456e24466665dcce90ba5edac5ca9be80
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBpVNi:vCA9OtEvwDpjm

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000133a4-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000133a4-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2832	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
772	2024-03-18_f738e0b8dc6d5f8084286effd18942a1_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 772 wrote to memory of 2832	772	2024-03-18_f738e0b8dc6d5f8084286effd18942a1_cryptolocker.exe	28
PID 772 wrote to memory of 2832	772	2024-03-18_f738e0b8dc6d5f8084286effd18942a1_cryptolocker.exe	28
PID 772 wrote to memory of 2832	772	2024-03-18_f738e0b8dc6d5f8084286effd18942a1_cryptolocker.exe	28
PID 772 wrote to memory of 2832	772	2024-03-18_f738e0b8dc6d5f8084286effd18942a1_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-18_f738e0b8dc6d5f8084286effd18942a1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-18_f738e0b8dc6d5f8084286effd18942a1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:772
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2832

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
127KB

MD5
396db622a41d57ccb3c872bd1efddf79

SHA1
92c3596b86efcd05033d6ac4370395975502aded

SHA256
ecf09d502e5d44c4e027383c5c03426c6c56994f00db3de2ceb17205926fa22c

SHA512
3c3a82777ca5efdc837efd38ee5905d9db9e465d9368c10e662f8fc2cfa78935de169c6ecfafdf69319537d564743d426b20caa586c2ea257f03425e34e59a9a

Download Submit
memory/772-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/772-1-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/772-7-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2832-16-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2832-15-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download