1ad5e24925441337fbfc3e2cd98c5db55ac59baaac4256b130d588b1917b0b1e

Analysis

max time kernel
150s
max time network
139s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04/02/2024, 13:41

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General

Target

8f4a8acb7eefb90c158677b89f72eb50.exe
Size

294KB
MD5

8f4a8acb7eefb90c158677b89f72eb50
SHA1

07ffd04d5d9c1c81aad6dba5a56fa9ae462b5259
SHA256

1ad5e24925441337fbfc3e2cd98c5db55ac59baaac4256b130d588b1917b0b1e
SHA512

da45ad905cf31cb2d0b76a82dbda8d510cf3a0e2d19022e0e7143ae744f45b0385cdce0263e9dcbf93acdf03546073812f1d1c6da344e2ba9b20327b2035c7c3
SSDEEP

6144:NiGtsLrbAlqNC+W+1PTG/qm/PgCnmUSFMhl4V+M/oI29lKO:gGtsLrkt+/1PTEn/iUSFM8V+rI2oO

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1820	ybaguf.exe

Loads dropped DLL 2 IoCs

pid	Process
1344	8f4a8acb7eefb90c158677b89f72eb50.exe
1344	8f4a8acb7eefb90c158677b89f72eb50.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Run\{AAF68148-CEF2-AD4E-650F-46A5505365B8} = "C:\\Users\\Admin\\AppData\\Roaming\\Uggu\\ybaguf.exe"	ybaguf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1344 set thread context of 1980	1344	8f4a8acb7eefb90c158677b89f72eb50.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2896	1980	WerFault.exe	29

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Privacy	8f4a8acb7eefb90c158677b89f72eb50.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Privacy\CleanCookies = "0"	8f4a8acb7eefb90c158677b89f72eb50.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe
1820	ybaguf.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1344	8f4a8acb7eefb90c158677b89f72eb50.exe
1820	ybaguf.exe

Suspicious use of WriteProcessMemory 52 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 1820	1344	8f4a8acb7eefb90c158677b89f72eb50.exe	28
PID 1344 wrote to memory of 1820	1344	8f4a8acb7eefb90c158677b89f72eb50.exe	28
PID 1344 wrote to memory of 1820	1344	8f4a8acb7eefb90c158677b89f72eb50.exe	28
PID 1344 wrote to memory of 1820	1344	8f4a8acb7eefb90c158677b89f72eb50.exe	28
PID 1820 wrote to memory of 1112	1820	ybaguf.exe	13
PID 1820 wrote to memory of 1112	1820	ybaguf.exe	13
PID 1820 wrote to memory of 1112	1820	ybaguf.exe	13
PID 1820 wrote to memory of 1112	1820	ybaguf.exe	13
PID 1820 wrote to memory of 1112	1820	ybaguf.exe	13
PID 1820 wrote to memory of 1164	1820	ybaguf.exe	14
PID 1820 wrote to memory of 1164	1820	ybaguf.exe	14
PID 1820 wrote to memory of 1164	1820	ybaguf.exe	14
PID 1820 wrote to memory of 1164	1820	ybaguf.exe	14
PID 1820 wrote to memory of 1164	1820	ybaguf.exe	14
PID 1820 wrote to memory of 1224	1820	ybaguf.exe	17
PID 1820 wrote to memory of 1224	1820	ybaguf.exe	17
PID 1820 wrote to memory of 1224	1820	ybaguf.exe	17
PID 1820 wrote to memory of 1224	1820	ybaguf.exe	17
PID 1820 wrote to memory of 1224	1820	ybaguf.exe	17
PID 1820 wrote to memory of 2004	1820	ybaguf.exe	19
PID 1820 wrote to memory of 2004	1820	ybaguf.exe	19
PID 1820 wrote to memory of 2004	1820	ybaguf.exe	19
PID 1820 wrote to memory of 2004	1820	ybaguf.exe	19
PID 1820 wrote to memory of 2004	1820	ybaguf.exe	19
PID 1820 wrote to memory of 1344	1820	ybaguf.exe	27
PID 1820 wrote to memory of 1344	1820	ybaguf.exe	27
PID 1820 wrote to memory of 1344	1820	ybaguf.exe	27
PID 1820 wrote to memory of 1344	1820	ybaguf.exe	27
PID 1820 wrote to memory of 1344	1820	ybaguf.exe	27
PID 1344 wrote to memory of 1980	1344	8f4a8acb7eefb90c158677b89f72eb50.exe	29
PID 1344 wrote to memory of 1980	1344	8f4a8acb7eefb90c158677b89f72eb50.exe	29
PID 1344 wrote to memory of 1980	1344	8f4a8acb7eefb90c158677b89f72eb50.exe	29
PID 1344 wrote to memory of 1980	1344	8f4a8acb7eefb90c158677b89f72eb50.exe	29
PID 1344 wrote to memory of 1980	1344	8f4a8acb7eefb90c158677b89f72eb50.exe	29
PID 1344 wrote to memory of 1980	1344	8f4a8acb7eefb90c158677b89f72eb50.exe	29
PID 1344 wrote to memory of 1980	1344	8f4a8acb7eefb90c158677b89f72eb50.exe	29
PID 1344 wrote to memory of 1980	1344	8f4a8acb7eefb90c158677b89f72eb50.exe	29
PID 1344 wrote to memory of 1980	1344	8f4a8acb7eefb90c158677b89f72eb50.exe	29
PID 1980 wrote to memory of 2896	1980	cmd.exe	31
PID 1980 wrote to memory of 2896	1980	cmd.exe	31
PID 1980 wrote to memory of 2896	1980	cmd.exe	31
PID 1980 wrote to memory of 2896	1980	cmd.exe	31
PID 1820 wrote to memory of 868	1820	ybaguf.exe	30
PID 1820 wrote to memory of 868	1820	ybaguf.exe	30
PID 1820 wrote to memory of 868	1820	ybaguf.exe	30
PID 1820 wrote to memory of 868	1820	ybaguf.exe	30
PID 1820 wrote to memory of 868	1820	ybaguf.exe	30
PID 1820 wrote to memory of 2896	1820	ybaguf.exe	31
PID 1820 wrote to memory of 2896	1820	ybaguf.exe	31
PID 1820 wrote to memory of 2896	1820	ybaguf.exe	31
PID 1820 wrote to memory of 2896	1820	ybaguf.exe	31
PID 1820 wrote to memory of 2896	1820	ybaguf.exe	31

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1224
- C:\Users\Admin\AppData\Local\Temp\8f4a8acb7eefb90c158677b89f72eb50.exe
  "C:\Users\Admin\AppData\Local\Temp\8f4a8acb7eefb90c158677b89f72eb50.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:1344
- - C:\Users\Admin\AppData\Roaming\Uggu\ybaguf.exe
    "C:\Users\Admin\AppData\Roaming\Uggu\ybaguf.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:1820
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp8382a500.bat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1980
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1980 -s 116
      4⤵
      Program crash
      PID:2896

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2004

C:\Windows\system32\conhost.exe
\??\C:\Windows\system32\conhost.exe "-100682134221394251901835388546-65081776813613227561093905680233684672-1879801528"
1⤵
PID:868

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Uggu\ybaguf.exe

Filesize
294KB

MD5
b5a7d0a92aa47941b22c1b805d33b9e9

SHA1
b72edb1c98653c8db8914911548381d76af6dd24

SHA256
a8672985768971490f759f658eca24cbb8ec19ab4c4ec49787caab31a128cda3

SHA512
71ac93915a809f1d1c5eacf40039bf685c404140ff45998530a98dee5137d1a952ab8f38422e09980d484db77d8509c691bd1d2305367d8757ef7e831ad1f085

Download Submit
memory/1112-23-0x0000000001D30000-0x0000000001D74000-memory.dmp

Filesize
272KB

Download
memory/1112-19-0x0000000001D30000-0x0000000001D74000-memory.dmp

Filesize
272KB

Download
memory/1112-21-0x0000000001D30000-0x0000000001D74000-memory.dmp

Filesize
272KB

Download
memory/1112-22-0x0000000001D30000-0x0000000001D74000-memory.dmp

Filesize
272KB

Download
memory/1112-17-0x0000000001D30000-0x0000000001D74000-memory.dmp

Filesize
272KB

Download
memory/1164-28-0x0000000001BF0000-0x0000000001C34000-memory.dmp

Filesize
272KB

Download
memory/1164-27-0x0000000001BF0000-0x0000000001C34000-memory.dmp

Filesize
272KB

Download
memory/1164-26-0x0000000001BF0000-0x0000000001C34000-memory.dmp

Filesize
272KB

Download
memory/1164-25-0x0000000001BF0000-0x0000000001C34000-memory.dmp

Filesize
272KB

Download
memory/1224-33-0x00000000029A0000-0x00000000029E4000-memory.dmp

Filesize
272KB

Download
memory/1224-30-0x00000000029A0000-0x00000000029E4000-memory.dmp

Filesize
272KB

Download
memory/1224-31-0x00000000029A0000-0x00000000029E4000-memory.dmp

Filesize
272KB

Download
memory/1224-32-0x00000000029A0000-0x00000000029E4000-memory.dmp

Filesize
272KB

Download
memory/1344-45-0x0000000001E80000-0x0000000001EC4000-memory.dmp

Filesize
272KB

Download
memory/1344-56-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1344-5-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1344-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1344-2-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1344-163-0x0000000001E80000-0x0000000001EC4000-memory.dmp

Filesize
272KB

Download
memory/1344-162-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1344-142-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1344-82-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1344-80-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1344-78-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1344-76-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1344-41-0x0000000001E80000-0x0000000001EC4000-memory.dmp

Filesize
272KB

Download
memory/1344-42-0x0000000001E80000-0x0000000001EC4000-memory.dmp

Filesize
272KB

Download
memory/1344-43-0x0000000001E80000-0x0000000001EC4000-memory.dmp

Filesize
272KB

Download
memory/1344-44-0x0000000001E80000-0x0000000001EC4000-memory.dmp

Filesize
272KB

Download
memory/1344-0-0x00000000004A0000-0x00000000004E4000-memory.dmp

Filesize
272KB

Download
memory/1344-46-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1344-48-0x0000000001E80000-0x0000000001EC4000-memory.dmp

Filesize
272KB

Download
memory/1344-50-0x00000000776A0000-0x00000000776A1000-memory.dmp

Filesize
4KB

Download
memory/1344-49-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1344-52-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1344-54-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1344-1-0x00000000004F0000-0x000000000053D000-memory.dmp

Filesize
308KB

Download
memory/1344-58-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1344-60-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1344-62-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1344-64-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1344-66-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1344-68-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1344-70-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1344-72-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1344-74-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1820-20-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1820-277-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1820-15-0x0000000000320000-0x0000000000364000-memory.dmp

Filesize
272KB

Download
memory/1820-18-0x0000000000370000-0x00000000003BD000-memory.dmp

Filesize
308KB

Download
memory/2004-35-0x0000000001BA0000-0x0000000001BE4000-memory.dmp

Filesize
272KB

Download
memory/2004-38-0x0000000001BA0000-0x0000000001BE4000-memory.dmp

Filesize
272KB

Download
memory/2004-36-0x0000000001BA0000-0x0000000001BE4000-memory.dmp

Filesize
272KB

Download
memory/2004-37-0x0000000001BA0000-0x0000000001BE4000-memory.dmp

Filesize
272KB

Download
memory/2896-175-0x0000000001D70000-0x0000000001DB4000-memory.dmp

Filesize
272KB

Download
memory/2896-178-0x00000000776A0000-0x00000000776A1000-memory.dmp

Filesize
4KB

Download
memory/2896-180-0x00000000776A0000-0x00000000776A1000-memory.dmp

Filesize
4KB

Download
memory/2896-250-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/2896-278-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/2896-280-0x0000000001D70000-0x0000000001DB4000-memory.dmp

Filesize
272KB

Download