c00590882c8738dd18865dd95e55fecf627611149c34b5bd72392b5df61511ed

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
17/02/2024, 19:33

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General

Target

2024-02-17_68586f64077698e334e8a16d4729287c_cryptolocker.exe
Size

125KB
MD5

68586f64077698e334e8a16d4729287c
SHA1

555aae61ae48b61564bfc5b165e61bd02c06de8f
SHA256

c00590882c8738dd18865dd95e55fecf627611149c34b5bd72392b5df61511ed
SHA512

6ef0e3f638e728b33b6bbb029b883a42789a206eba98120c55d60f6751b1e6791fac61d5ad60a37458eac9188eff3b69a646352cf110dd2a2a8d907c49920216
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBpZ:vCA9OtEvwDpjV

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001220d-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001220d-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2316	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2848	2024-02-17_68586f64077698e334e8a16d4729287c_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 2848 wrote to memory of 2316	2848	2024-02-17_68586f64077698e334e8a16d4729287c_cryptolocker.exe	28
PID 2848 wrote to memory of 2316	2848	2024-02-17_68586f64077698e334e8a16d4729287c_cryptolocker.exe	28
PID 2848 wrote to memory of 2316	2848	2024-02-17_68586f64077698e334e8a16d4729287c_cryptolocker.exe	28
PID 2848 wrote to memory of 2316	2848	2024-02-17_68586f64077698e334e8a16d4729287c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-17_68586f64077698e334e8a16d4729287c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-17_68586f64077698e334e8a16d4729287c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2316

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
126KB

MD5
588520b6db6bfa9f6ec843b0952403eb

SHA1
854c4c676b654f2d8861bcc794e978a9a6a66307

SHA256
a61ff4533f48cdd09d3ad3974e241846efa2d3178cf9c6fec75ba3ca09729915

SHA512
caa868f171ca54ff74674ad7a7e11bdcbb3a950116300095af59a5413a085652a56fbf58cb0681eee546f87d0a3dca3ff3b647f2b57179e603d2535220194d9f

Download Submit
memory/2316-16-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2316-15-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2848-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2848-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2848-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download