f6a83e6ed8bf92b8ff4da0aba72fe354199ec79a99008b34800e4cfdb92d3a67

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 03:48

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General

Target

_003E0000.exe.vir.exe
Size

116KB
MD5

f57d188c4667fab46208396af20badd2
SHA1

367ea268c494d17672ef371adebef0f505c1a804
SHA256

878304de96556ed340f190a9d8b5650dc71512eed4210676560fc41e7ac4857c
SHA512

157615951ccf90c69aaa4e4e1e1f664ffcb6c5817371143ac5bc2dfac04185e57981d50194ad4a1784c29f16211b6a18e9fa085721d05e29ba63377e40dc41a2
SSDEEP

3072:SsB0ura/QOVLLkeyYP1RNDZyuubclhZUnr:Sef7wkey21flyu8+i

Score

7^/10

discovery persistence

Malware Config

Signatures

Drops startup file 1 IoCs

Processes:

explorer.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\18ed3cc.exe explorer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\18ed3cc.exe	explorer.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\18ed3c = "C:\\18ed3cc\\18ed3cc.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*8ed3c = "C:\\18ed3cc\\18ed3cc.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\18ed3cc = "C:\\Users\\Admin\\AppData\\Roaming\\18ed3cc.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*8ed3cc = "C:\\Users\\Admin\\AppData\\Roaming\\18ed3cc.exe"	explorer.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

_003E0000.exe.vir.exeexplorer.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	_003E0000.exe.vir.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

explorer.exe

pid process

456 explorer.exe
456 explorer.exe
456 explorer.exe
456 explorer.exe
456 explorer.exe
456 explorer.exe
456 explorer.exe
456 explorer.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

_003E0000.exe.vir.exeexplorer.exe

pid process

3956 _003E0000.exe.vir.exe
456 explorer.exe

pid	process
456	explorer.exe
456	explorer.exe
456	explorer.exe
456	explorer.exe
456	explorer.exe
456	explorer.exe
456	explorer.exe
456	explorer.exe

pid	process
3956	_003E0000.exe.vir.exe
456	explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

_003E0000.exe.vir.exeexplorer.exe

description	pid	process	target process
PID 3956 wrote to memory of 456	3956	_003E0000.exe.vir.exe	explorer.exe
PID 3956 wrote to memory of 456	3956	_003E0000.exe.vir.exe	explorer.exe
PID 3956 wrote to memory of 456	3956	_003E0000.exe.vir.exe	explorer.exe
PID 456 wrote to memory of 2768	456	explorer.exe	svchost.exe
PID 456 wrote to memory of 2768	456	explorer.exe	svchost.exe
PID 456 wrote to memory of 2768	456	explorer.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\_003E0000.exe.vir.exe
"C:\Users\Admin\AppData\Local\Temp\_003E0000.exe.vir.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3956
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\syswow64\explorer.exe"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:456
- - C:\Windows\SysWOW64\svchost.exe
    -k netsvcs
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2768

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/456-0-0x0000000000320000-0x0000000000340000-memory.dmp

Filesize
128KB

Download
memory/456-1-0x0000000000320000-0x0000000000340000-memory.dmp

Filesize
128KB

Download
memory/456-7-0x0000000000320000-0x0000000000340000-memory.dmp

Filesize
128KB

Download
memory/2768-5-0x00000000007A0000-0x00000000007C0000-memory.dmp

Filesize
128KB

Download
memory/2768-6-0x00000000007A0000-0x00000000007C0000-memory.dmp

Filesize
128KB

Download
memory/2768-8-0x00000000007A0000-0x00000000007C0000-memory.dmp

Filesize
128KB

Download