f605d6db615c055fc80141bf79ab3f541303cf082244b352352bbd982a7aca50

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 11:57

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General

Target

Certificate 1045-20-11.exe
Size

1.1MB
MD5

374bfa99caf54477156253c18125cdc8
SHA1

b252c1316f4d9b91e79f64c51365cf65981f64d1
SHA256

f605d6db615c055fc80141bf79ab3f541303cf082244b352352bbd982a7aca50
SHA512

c73c1b2ce3501abf103ba5586f2e6217dcaf3c551c3e9d4b8e088732ef387a6c3f630cce8bb745bec0f0fa2903fc9bac1577ce1b159cbf1a472099364e927a06
SSDEEP

24576:otb20pkaCqT5TBWgNQ7ajmQK273J9BvzK2it6A:xVg5tQ7ajm81jzU5

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 4464 set thread context of 1124	4464	Certificate 1045-20-11.exe	83
PID 1124 set thread context of 3464	1124	svchost.exe	56
PID 1124 set thread context of 3256	1124	svchost.exe	99
PID 3256 set thread context of 3464	3256	netbtugc.exe	56
PID 3256 set thread context of 4832	3256	netbtugc.exe	102

System Location Discovery: System Language Discovery 1 TTPs 2 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Certificate 1045-20-11.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netbtugc.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	netbtugc.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
1124	svchost.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
4464	Certificate 1045-20-11.exe
1124	svchost.exe
3464	Explorer.EXE
3464	Explorer.EXE
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe
3256	netbtugc.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4464	Certificate 1045-20-11.exe
4464	Certificate 1045-20-11.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4464	Certificate 1045-20-11.exe
4464	Certificate 1045-20-11.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4464 wrote to memory of 1124	4464	Certificate 1045-20-11.exe	83
PID 4464 wrote to memory of 1124	4464	Certificate 1045-20-11.exe	83
PID 4464 wrote to memory of 1124	4464	Certificate 1045-20-11.exe	83
PID 4464 wrote to memory of 1124	4464	Certificate 1045-20-11.exe	83
PID 3464 wrote to memory of 3256	3464	Explorer.EXE	99
PID 3464 wrote to memory of 3256	3464	Explorer.EXE	99
PID 3464 wrote to memory of 3256	3464	Explorer.EXE	99
PID 3256 wrote to memory of 4832	3256	netbtugc.exe	102
PID 3256 wrote to memory of 4832	3256	netbtugc.exe	102

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3464
- C:\Users\Admin\AppData\Local\Temp\Certificate 1045-20-11.exe
  "C:\Users\Admin\AppData\Local\Temp\Certificate 1045-20-11.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:4464
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Certificate 1045-20-11.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    PID:1124
- C:\Windows\SysWOW64\netbtugc.exe
  "C:\Windows\SysWOW64\netbtugc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3256
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:4832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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

C:\Users\Admin\AppData\Local\Temp\aut803C.tmp

Filesize
264KB

MD5
2c1ae20b3cf7d697105651bb6521b2c7

SHA1
d1f4ca4515fb14685bf1470a58dd326f4edde8c1

SHA256
fc8853f20677fe8ded4f79e160e5831730703c967e1811b9c87bd9d5677dce20

SHA512
c0a88760349a7e9c204ead6b536886898fa1149d45de8dc8a142d48257f26acc48ab34ba1f7b6b00d02bbcab3215a1b61484dcb7b50c527d33966ed769a5c932

Download Submit
memory/1124-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1124-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1124-10-0x0000000001600000-0x000000000194A000-memory.dmp

Filesize
3.3MB

Download
memory/1124-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1124-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1124-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1124-14-0x0000000004500000-0x0000000004521000-memory.dmp

Filesize
132KB

Download
memory/1124-19-0x0000000004500000-0x0000000004521000-memory.dmp

Filesize
132KB

Download
memory/3256-17-0x0000000000350000-0x000000000038F000-memory.dmp

Filesize
252KB

Download
memory/3256-23-0x0000000000B70000-0x0000000000C10000-memory.dmp

Filesize
640KB

Download
memory/3256-25-0x0000000000B70000-0x0000000000C10000-memory.dmp

Filesize
640KB

Download
memory/3256-24-0x0000000000350000-0x000000000038F000-memory.dmp

Filesize
252KB

Download
memory/3256-20-0x0000000000FD0000-0x000000000131A000-memory.dmp

Filesize
3.3MB

Download
memory/3256-21-0x0000000000350000-0x000000000038F000-memory.dmp

Filesize
252KB

Download
memory/3256-16-0x0000000000350000-0x000000000038F000-memory.dmp

Filesize
252KB

Download
memory/3464-22-0x000000000CF10000-0x000000000FA88000-memory.dmp

Filesize
43.5MB

Download
memory/3464-15-0x000000000CF10000-0x000000000FA88000-memory.dmp

Filesize
43.5MB

Download
memory/3464-26-0x00000000030E0000-0x00000000031D3000-memory.dmp

Filesize
972KB

Download
memory/3464-27-0x00000000030E0000-0x00000000031D3000-memory.dmp

Filesize
972KB

Download
memory/3464-34-0x00000000030E0000-0x00000000031D3000-memory.dmp

Filesize
972KB

Download
memory/4464-8-0x0000000001340000-0x0000000001740000-memory.dmp

Filesize
4.0MB

Download
memory/4832-35-0x000001CA56620000-0x000001CA5673B000-memory.dmp

Filesize
1.1MB

Download