61c80927ef8c9cddbc4777b97916d4ad593ba0864cb591a178f7e355b3cfabc9

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 02:23

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General

Target

2024-05-23_111d83dcdc6026ba8e96f7e5fa830885_cryptolocker.exe
Size

44KB
MD5

111d83dcdc6026ba8e96f7e5fa830885
SHA1

16f4b53d5b9fead6e64339987fd60d38c9475c6e
SHA256

61c80927ef8c9cddbc4777b97916d4ad593ba0864cb591a178f7e355b3cfabc9
SHA512

d4f2010c652af58ed12120f565224a5a1ae525ab18927bed83dc2fb7c4ebc78125d307e1bf4d495c447946a05a8009a32e68ee1fecb576ef1bea4ee3cbcd710a
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4REL+cc66Tcu2:vj+jsMQMOtEvwDpj5HW5scu2

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_set1

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

2184 misid.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-23_111d83dcdc6026ba8e96f7e5fa830885_cryptolocker.exe

pid process

1644 2024-05-23_111d83dcdc6026ba8e96f7e5fa830885_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2184	misid.exe

pid	process
1644	2024-05-23_111d83dcdc6026ba8e96f7e5fa830885_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-23_111d83dcdc6026ba8e96f7e5fa830885_cryptolocker.exe

description	pid	process	target process
PID 1644 wrote to memory of 2184	1644	2024-05-23_111d83dcdc6026ba8e96f7e5fa830885_cryptolocker.exe	misid.exe
PID 1644 wrote to memory of 2184	1644	2024-05-23_111d83dcdc6026ba8e96f7e5fa830885_cryptolocker.exe	misid.exe
PID 1644 wrote to memory of 2184	1644	2024-05-23_111d83dcdc6026ba8e96f7e5fa830885_cryptolocker.exe	misid.exe
PID 1644 wrote to memory of 2184	1644	2024-05-23_111d83dcdc6026ba8e96f7e5fa830885_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-23_111d83dcdc6026ba8e96f7e5fa830885_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-23_111d83dcdc6026ba8e96f7e5fa830885_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:2184

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\misid.exe
Filesize
44KB

MD5
308576ad1d8f2fbbe7bb5bd30754211a

SHA1
c268426fb007cd0c5802a40d5645ec09eeaba18f

SHA256
1bea1b3e3a4fe7314eb35b7eaa40f078e68c1e2d479818c233e752356e641f8e

SHA512
75c993526bd36d0fd173fe25b15a310558d317a9b328599cfc9a33ca56a9e9183dcb6592264b7553648570318a256f3adc7da39e83f6861eec4bb7bf10166576

Download Submit
memory/1644-0-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/1644-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1644-8-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2184-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2184-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download