8bd8aad6f37edcc57c1b6910b13dd46674b3550a9e26ff549bff7c379c4b20f0

Analysis

max time kernel
175s
max time network
200s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 08:39

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General

Target

file.exe
Size

655KB
MD5

2ad02c3e1cb7a5fbbe3d14338d5d5e03
SHA1

e7e5b3996502beae37d681766e58063773b1c385
SHA256

8bd8aad6f37edcc57c1b6910b13dd46674b3550a9e26ff549bff7c379c4b20f0
SHA512

19fb2ed1d6f811ad54558453385625614a378aa5cd2dbe464b648abc444d15f3758c74e8301e935b114a105259fe7df2fcc6a8a500e90b14a3f157ef49551c16
SSDEEP

12288:d4o51BciOj8M4CvPn6QGny7uCc5xo5qEE:ptvMVvPHmc3y

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

16.exe

pid process

5068 16.exe

pid	process
5068	16.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

cmd.exefile.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	file.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run	16.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Users\\Admin\\AppData\\Roaming\\explorer\\explorer.exe"	16.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

file.exe

description pid process

Token: SeDebugPrivilege 1668 file.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

cmd.exe

pid process

1264 cmd.exe

description	pid	process
Token: SeDebugPrivilege	1668	file.exe

pid	process
1264	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

file.exe16.exe

description	pid	process	target process
PID 1668 wrote to memory of 5068	1668	file.exe	16.exe
PID 1668 wrote to memory of 5068	1668	file.exe	16.exe
PID 1668 wrote to memory of 5068	1668	file.exe	16.exe
PID 5068 wrote to memory of 1264	5068	16.exe	cmd.exe
PID 5068 wrote to memory of 1264	5068	16.exe	cmd.exe
PID 5068 wrote to memory of 1264	5068	16.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\Temp\16.exe
"C:\Windows\Temp\16.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5068

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c start C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
3⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
PID:1264

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Temp\16.exe

Filesize
115KB

MD5
5abe44351d425458a0b1aa5c6a2d007c

SHA1
1cf91938b5d6a1d49531d07fc4d0612b4ce18365

SHA256
7275527161e158dfeaf9dd744bba65bb9de548616d7f34457c6aa1b4969bacc9

SHA512
557b0e9a6cca7a33284a463075b2c5e8198e8e489307fceebd3c43d461b0f3447856325b8aa82c1b62d93328cf435baae9fcee124a9d537fca02be9edad2b291

Download Submit
C:\Windows\Temp\16.exe

Filesize
115KB

MD5
5abe44351d425458a0b1aa5c6a2d007c

SHA1
1cf91938b5d6a1d49531d07fc4d0612b4ce18365

SHA256
7275527161e158dfeaf9dd744bba65bb9de548616d7f34457c6aa1b4969bacc9

SHA512
557b0e9a6cca7a33284a463075b2c5e8198e8e489307fceebd3c43d461b0f3447856325b8aa82c1b62d93328cf435baae9fcee124a9d537fca02be9edad2b291

Download Submit
memory/1264-136-0x0000000000000000-mapping.dmp

Download
memory/1668-132-0x0000000000D80000-0x0000000000E2A000-memory.dmp

Filesize
680KB

Download
memory/5068-133-0x0000000000000000-mapping.dmp

Download