3203eb9cb96014029188d05fb4e81ac6db1391fb0a0d8c9262a7ba76571d1e86

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
27/03/2024, 16:26

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General

Target

2024-03-27_212790e50cbea0610a27abe72ded886e_cryptolocker.exe
Size

78KB
MD5

212790e50cbea0610a27abe72ded886e
SHA1

1767d2817ffdfe6771f943182f105e1add8576c5
SHA256

3203eb9cb96014029188d05fb4e81ac6db1391fb0a0d8c9262a7ba76571d1e86
SHA512

226d78936d42dcad01a6e52627180cd218012455f3596e8520389301ad2f5ccc73249be403ca14051f255ae672b80ae9c4d08889d660bb8649244e0ab205f189
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuf0:vCjsIOtEvwDpj5H9YvQd2w

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000121c5-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000121c5-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2576	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2888	2024-03-27_212790e50cbea0610a27abe72ded886e_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 2888 wrote to memory of 2576	2888	2024-03-27_212790e50cbea0610a27abe72ded886e_cryptolocker.exe	28
PID 2888 wrote to memory of 2576	2888	2024-03-27_212790e50cbea0610a27abe72ded886e_cryptolocker.exe	28
PID 2888 wrote to memory of 2576	2888	2024-03-27_212790e50cbea0610a27abe72ded886e_cryptolocker.exe	28
PID 2888 wrote to memory of 2576	2888	2024-03-27_212790e50cbea0610a27abe72ded886e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-27_212790e50cbea0610a27abe72ded886e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-27_212790e50cbea0610a27abe72ded886e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2576

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
78KB

MD5
77630f35eb0b86f25c97b4cb2e327bbf

SHA1
53126b18f0d7336911f5445415b9b02688bb1913

SHA256
d972d4299679489c4e4e37a9a7780188cfb262999076167f091dd955c1599a2d

SHA512
576ae1e9be57074b70a4dce076cd10ab13538dae0a402b8b94e4b59884e3c804d486de265d81c93f9d8b4f534125bda83f235d091f4b4e34e8d4be17ce86839b

Download Submit
memory/2576-15-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2576-17-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2888-0-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2888-2-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2888-1-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download