258c7d1d1c3c1083b6b048d6538e1960b718281b49f6b7f6715f5a5457f891ba

Analysis

max time kernel
91s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
02-02-2024 22:38

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General

Target

VirusShare-0090da4a4b61b756160f5ecef3891a63.exe
Size

4KB
MD5

0090da4a4b61b756160f5ecef3891a63
SHA1

880970791c054cc0d95a07d7f8e2d21b66e23e1e
SHA256

258c7d1d1c3c1083b6b048d6538e1960b718281b49f6b7f6715f5a5457f891ba
SHA512

6a72973ff8ef7f6e0a4e912bd56c4c70bad983bc6ccc29821bae0f8cbe7257859d6053471abd22a9925bffab8578e8d238ea24e13052c7c10ede405a70a76d23
SSDEEP

96:uPi5bpKAoEBQZWCLY/cfX7/SHUfLK/kbUw40AfWM/HZ:u6wXW9s1fLQkbR40iWU

Score

8^/10

persistence upx

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	VirusShare-0090da4a4b61b756160f5ecef3891a63.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\sytem.exe = "C:\\Windows\\sytem.exe"	VirusShare-0090da4a4b61b756160f5ecef3891a63.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	VirusShare-0090da4a4b61b756160f5ecef3891a63.exe

Executes dropped EXE 1 IoCs

pid	Process
988	sytem.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1204-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000700000002321e-5.dat	upx
behavioral2/memory/1204-10-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\sytem.exe	VirusShare-0090da4a4b61b756160f5ecef3891a63.exe
File opened for modification	C:\Windows\sytem.exe	VirusShare-0090da4a4b61b756160f5ecef3891a63.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 988	1204	VirusShare-0090da4a4b61b756160f5ecef3891a63.exe	87
PID 1204 wrote to memory of 988	1204	VirusShare-0090da4a4b61b756160f5ecef3891a63.exe	87
PID 1204 wrote to memory of 988	1204	VirusShare-0090da4a4b61b756160f5ecef3891a63.exe	87

C:\Users\Admin\AppData\Local\Temp\VirusShare-0090da4a4b61b756160f5ecef3891a63.exe
"C:\Users\Admin\AppData\Local\Temp\VirusShare-0090da4a4b61b756160f5ecef3891a63.exe"
1⤵
- Adds policy Run key to start application
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Windows\sytem.exe
  "C:\Windows\sytem.exe"
  2⤵
  - Executes dropped EXE
  PID:988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\sytem.exe

Filesize
4KB

MD5
0090da4a4b61b756160f5ecef3891a63

SHA1
880970791c054cc0d95a07d7f8e2d21b66e23e1e

SHA256
258c7d1d1c3c1083b6b048d6538e1960b718281b49f6b7f6715f5a5457f891ba

SHA512
6a72973ff8ef7f6e0a4e912bd56c4c70bad983bc6ccc29821bae0f8cbe7257859d6053471abd22a9925bffab8578e8d238ea24e13052c7c10ede405a70a76d23

Download Submit
memory/1204-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1204-10-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads