2076cf9ebe9180c1d7c42ba618a78d3c86218332957b852224963fcf77261d22

Analysis

max time kernel
144s
max time network
148s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
25/06/2024, 21:42

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General

Target

2024-06-25_06e839127eaf0fbb71463ed953c3ad9d_cryptolocker.exe
Size

62KB
MD5

06e839127eaf0fbb71463ed953c3ad9d
SHA1

65fa0fb386a0bd80ec38d2f03eb42a5e78a92638
SHA256

2076cf9ebe9180c1d7c42ba618a78d3c86218332957b852224963fcf77261d22
SHA512

0b005baa645a4ff1d1a65762106cc129dc60b499a45d0769c613ee93253bca84a9f0608b2fb307f940e91525abd30d1e2db2ea78833a3acb03443a76fb048d2c
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMNuSA:TCjsIOtEvwDpj5HE/OUHnSMZv

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/1644-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000a000000012280-11.dat	CryptoLocker_rule2
behavioral1/memory/1644-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/3060-25-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/1644-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000a000000012280-11.dat	CryptoLocker_set1
behavioral1/memory/1644-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/3060-25-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3060	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1644	2024-06-25_06e839127eaf0fbb71463ed953c3ad9d_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 1644 wrote to memory of 3060	1644	2024-06-25_06e839127eaf0fbb71463ed953c3ad9d_cryptolocker.exe	28
PID 1644 wrote to memory of 3060	1644	2024-06-25_06e839127eaf0fbb71463ed953c3ad9d_cryptolocker.exe	28
PID 1644 wrote to memory of 3060	1644	2024-06-25_06e839127eaf0fbb71463ed953c3ad9d_cryptolocker.exe	28
PID 1644 wrote to memory of 3060	1644	2024-06-25_06e839127eaf0fbb71463ed953c3ad9d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-25_06e839127eaf0fbb71463ed953c3ad9d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-25_06e839127eaf0fbb71463ed953c3ad9d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3060

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
62KB

MD5
5d6a9e7f93de04815df1f53b97690da1

SHA1
49129cfa8e5a8abc9e0ea701e547fd572a7fde59

SHA256
581d0acc71e4f60dcd8a342256c461990d88c9704babcf9a05e3c891a736d9c1

SHA512
f2b52058de670d1f3a3a740c154a06fb9700b21dc8051713f3937710316c0597086a4d779c788caa6444438944a850b2f8612ff57eedaf31be9a8427fd282251

Download Submit
memory/1644-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/1644-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1644-2-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/1644-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1644-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/3060-17-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/3060-24-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/3060-25-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download