2a9fc9e7f071cf0056ab5030b760636a927881290216e9f0dac74416ad713981

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11-03-2024 14:32

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General

Target

2024-03-11_7e3aa351a977212a5f4c5842c3d24376_cryptolocker.exe
Size

126KB
MD5

7e3aa351a977212a5f4c5842c3d24376
SHA1

e3a9e1ca77d8b75d991f701b837ddec04826618d
SHA256

2a9fc9e7f071cf0056ab5030b760636a927881290216e9f0dac74416ad713981
SHA512

c09aa87dc367fcfbaa88e2753deff453424d9af9b0030bb6f7b25df19739166da2aae26bfa51952f8dbae8e60ae154d2e105edc8bf87b03b68720224bc4c2844
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBpn:vCA9OtEvwDpjr

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001224c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001224c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3000	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1912	2024-03-11_7e3aa351a977212a5f4c5842c3d24376_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 1912 wrote to memory of 3000	1912	2024-03-11_7e3aa351a977212a5f4c5842c3d24376_cryptolocker.exe	28
PID 1912 wrote to memory of 3000	1912	2024-03-11_7e3aa351a977212a5f4c5842c3d24376_cryptolocker.exe	28
PID 1912 wrote to memory of 3000	1912	2024-03-11_7e3aa351a977212a5f4c5842c3d24376_cryptolocker.exe	28
PID 1912 wrote to memory of 3000	1912	2024-03-11_7e3aa351a977212a5f4c5842c3d24376_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-11_7e3aa351a977212a5f4c5842c3d24376_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-11_7e3aa351a977212a5f4c5842c3d24376_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1912
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3000

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
d50037e162fc8a84f44da16b93814806

SHA1
8f58cb16f76baf41e4ce7b107a8aedb4f3c237a1

SHA256
919ba7ca83c3096ea6e5f71cefa847f5484942cadbbdda28dc3f0cfae80d2aa3

SHA512
0bf7b1da8078d5d001f57276457dad8a70ee6f7c478f8dde50245a4bf064d7639aae6784a5eecc85d73d0c0cd6edc25483d35faeafe70df4847000273c0b9b17

Download Submit
memory/1912-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1912-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1912-1-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/3000-15-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/3000-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download