51da274016724d3654dfb5cd5b202a73a8c31cb19aaf254568e56747337fca50

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2022 08:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

51da274016724d3654dfb5cd5b202a73a8c31cb19aaf254568e56747337fca50.dll
Size

220KB
MD5

120a38ec5fd75385e14bd68cc28b3ed0
SHA1

9e2df88945805a10d4e317a4670021d53c02be0a
SHA256

51da274016724d3654dfb5cd5b202a73a8c31cb19aaf254568e56747337fca50
SHA512

11167bdb425c0146cf296ea9917a225f860bbb3c9e48f4f807ae0fdc827f283f9b7fe8565a739765b04ce096bf0136d6b789e19b6c269c29d4f792aa8972fb73
SSDEEP

3072:bx80xX2aL6pDXcyISI+TzOFeITQryMyHcMAfA2y24OXEDXc4PMbuAcKwsWf:bxpX16bIHFtgKAfA3jO0DXcDbu5bf

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run	Explorer.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\51da274016724d3654dfb5cd5b202a73a8c31cb19aaf254568e56747337fca50 = "regsvr32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\51da274016724d3654dfb5cd5b202a73a8c31cb19aaf254568e56747337fca50.dll\""	Explorer.EXE

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4932	3260	WerFault.exe	48

Modifies Internet Explorer Protected Mode 1 TTPs 1 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	Explorer.EXE

Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1"	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	Explorer.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\TabProcGrowth = "0"	Explorer.EXE

Modifies registry class 22 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{199E6FCE-3E75-45C5-A138-3930370D6E0F}	sihost.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{736309C0-2F56-497F-8B75-40B56A44218D}	sihost.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{199E6FCE-3E75-45C5-A138-3930370D6E0F}	taskhostw.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{199E6FCE-3E75-45C5-A138-3930370D6E0F}	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{199E6FCE-3E75-45C5-A138-3930370D6E0F}	RuntimeBroker.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\WOW6432Node\CLSID\{199E6FCE-3E75-45C5-A138-3930370D6E0F}	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{736309C0-2F56-497F-8B75-40B56A44218D}\{2FFF3732-5BAF-4AE8-8663-1AF020FC79AA} = 02ea296e	sihost.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{199E6FCE-3E75-45C5-A138-3930370D6E0F}	RuntimeBroker.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{736309C0-2F56-497F-8B75-40B56A44218D}	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{199E6FCE-3E75-45C5-A138-3930370D6E0F}\#cert = 31	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{00261E27-52F6-4985-A297-2E1520AD7E1D}	StartMenuExperienceHost.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{199E6FCE-3E75-45C5-A138-3930370D6E0F}	RuntimeBroker.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{736309C0-2F56-497F-8B75-40B56A44218D}	RuntimeBroker.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{736309C0-2F56-497F-8B75-40B56A44218D}	RuntimeBroker.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{736309C0-2F56-497F-8B75-40B56A44218D}	RuntimeBroker.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{199E6FCE-3E75-45C5-A138-3930370D6E0F}	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\WOW6432Node\CLSID\{736309C0-2F56-497F-8B75-40B56A44218D}	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\WOW6432Node\CLSID\{736309C0-2F56-497F-8B75-40B56A44218D}\{2FFF3732-5BAF-4AE8-8663-1AF020FC79AA} = 02ea296e	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{736309C0-2F56-497F-8B75-40B56A44218D}	taskhostw.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{736309C0-2F56-497F-8B75-40B56A44218D}	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{4819052B-70D1-48C0-A5FD-7E16098E024E}	StartMenuExperienceHost.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID	StartMenuExperienceHost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1424	rundll32.exe
1424	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3044	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 45 IoCs

description	pid	Process
Token: SeCreateGlobalPrivilege	2332	sihost.exe
Token: SeShutdownPrivilege	2332	sihost.exe
Token: SeDebugPrivilege	2332	sihost.exe
Token: SeCreateGlobalPrivilege	2440	taskhostw.exe
Token: SeShutdownPrivilege	2440	taskhostw.exe
Token: SeDebugPrivilege	2440	taskhostw.exe
Token: SeCreateGlobalPrivilege	3044	Explorer.EXE
Token: SeShutdownPrivilege	3044	Explorer.EXE
Token: SeDebugPrivilege	3044	Explorer.EXE
Token: SeCreateGlobalPrivilege	3356	StartMenuExperienceHost.exe
Token: SeShutdownPrivilege	3356	StartMenuExperienceHost.exe
Token: SeDebugPrivilege	3356	StartMenuExperienceHost.exe
Token: SeCreateGlobalPrivilege	3420	RuntimeBroker.exe
Token: SeShutdownPrivilege	3420	RuntimeBroker.exe
Token: SeDebugPrivilege	3420	RuntimeBroker.exe
Token: SeShutdownPrivilege	3044	Explorer.EXE
Token: SeCreatePagefilePrivilege	3044	Explorer.EXE
Token: SeCreateGlobalPrivilege	3732	RuntimeBroker.exe
Token: SeShutdownPrivilege	3732	RuntimeBroker.exe
Token: SeDebugPrivilege	3732	RuntimeBroker.exe
Token: SeCreateGlobalPrivilege	4688	RuntimeBroker.exe
Token: SeShutdownPrivilege	4688	RuntimeBroker.exe
Token: SeDebugPrivilege	4688	RuntimeBroker.exe
Token: SeCreateGlobalPrivilege	4084	rundll32.exe
Token: SeShutdownPrivilege	4084	rundll32.exe
Token: SeDebugPrivilege	4084	rundll32.exe
Token: SeCreateGlobalPrivilege	1424	rundll32.exe
Token: SeShutdownPrivilege	1424	rundll32.exe
Token: SeDebugPrivilege	1424	rundll32.exe
Token: SeShutdownPrivilege	3044	Explorer.EXE
Token: SeCreatePagefilePrivilege	3044	Explorer.EXE
Token: SeShutdownPrivilege	3044	Explorer.EXE
Token: SeCreatePagefilePrivilege	3044	Explorer.EXE
Token: SeShutdownPrivilege	3044	Explorer.EXE
Token: SeCreatePagefilePrivilege	3044	Explorer.EXE
Token: SeShutdownPrivilege	3044	Explorer.EXE
Token: SeCreatePagefilePrivilege	3044	Explorer.EXE
Token: SeShutdownPrivilege	3044	Explorer.EXE
Token: SeCreatePagefilePrivilege	3044	Explorer.EXE
Token: SeShutdownPrivilege	3044	Explorer.EXE
Token: SeCreatePagefilePrivilege	3044	Explorer.EXE
Token: SeShutdownPrivilege	3044	Explorer.EXE
Token: SeCreatePagefilePrivilege	3044	Explorer.EXE
Token: SeShutdownPrivilege	3420	RuntimeBroker.exe
Token: SeShutdownPrivilege	3420	RuntimeBroker.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4084 wrote to memory of 1424	4084	rundll32.exe	79
PID 4084 wrote to memory of 1424	4084	rundll32.exe	79
PID 4084 wrote to memory of 1424	4084	rundll32.exe	79
PID 1424 wrote to memory of 2332	1424	rundll32.exe	23
PID 1424 wrote to memory of 2332	1424	rundll32.exe	23
PID 1424 wrote to memory of 2440	1424	rundll32.exe	57
PID 1424 wrote to memory of 2440	1424	rundll32.exe	57
PID 1424 wrote to memory of 3044	1424	rundll32.exe	50
PID 1424 wrote to memory of 3044	1424	rundll32.exe	50
PID 1424 wrote to memory of 3260	1424	rundll32.exe	48
PID 1424 wrote to memory of 3260	1424	rundll32.exe	48
PID 1424 wrote to memory of 3356	1424	rundll32.exe	28
PID 1424 wrote to memory of 3356	1424	rundll32.exe	28
PID 1424 wrote to memory of 3420	1424	rundll32.exe	27
PID 1424 wrote to memory of 3420	1424	rundll32.exe	27
PID 1424 wrote to memory of 3516	1424	rundll32.exe	47
PID 1424 wrote to memory of 3516	1424	rundll32.exe	47
PID 1424 wrote to memory of 3732	1424	rundll32.exe	46
PID 1424 wrote to memory of 3732	1424	rundll32.exe	46
PID 1424 wrote to memory of 4688	1424	rundll32.exe	44
PID 1424 wrote to memory of 4688	1424	rundll32.exe	44
PID 1424 wrote to memory of 4084	1424	rundll32.exe	78
PID 1424 wrote to memory of 4084	1424	rundll32.exe	78

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:2332

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:3420

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:3356

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:4688

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:3732

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:3516

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3260
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 3260 -s 396
  2⤵
  - Program crash
  PID:4932

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Adds Run key to start application
- Modifies Internet Explorer Protected Mode
- Modifies Internet Explorer Protected Mode Banner
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3044
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\51da274016724d3654dfb5cd5b202a73a8c31cb19aaf254568e56747337fca50.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4084
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\51da274016724d3654dfb5cd5b202a73a8c31cb19aaf254568e56747337fca50.dll,#1
    3⤵
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1424

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:2440

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 440 -p 3260 -ip 3260
1⤵
PID:4856

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1424-153-0x0000000003290000-0x00000000032DE000-memory.dmp

Filesize
312KB

Download
memory/1424-133-0x0000000074D80000-0x0000000074DBA000-memory.dmp

Filesize
232KB

Download
memory/1424-135-0x0000000002830000-0x0000000002861000-memory.dmp

Filesize
196KB

Download
memory/1424-132-0x0000000000000000-mapping.dmp

Download
memory/1424-154-0x0000000003360000-0x00000000033D8000-memory.dmp

Filesize
480KB

Download
memory/2332-136-0x00007FFBE72D0000-0x00007FFBE72D2000-memory.dmp

Filesize
8KB

Download
memory/2332-137-0x0000000000080000-0x00000000000CE000-memory.dmp

Filesize
312KB

Download
memory/2332-138-0x000001CA38C90000-0x000001CA38CF8000-memory.dmp

Filesize
416KB

Download
memory/2440-139-0x00007FFBE72D0000-0x00007FFBE72D2000-memory.dmp

Filesize
8KB

Download
memory/2440-140-0x0000022F710E0000-0x0000022F71148000-memory.dmp

Filesize
416KB

Download
memory/3044-141-0x00007FFBE72D0000-0x00007FFBE72D2000-memory.dmp

Filesize
8KB

Download
memory/3044-142-0x00000000079F0000-0x0000000007A58000-memory.dmp

Filesize
416KB

Download
memory/3356-143-0x00007FFBE72D0000-0x00007FFBE72D2000-memory.dmp

Filesize
8KB

Download
memory/3356-144-0x0000019AA9190000-0x0000019AA91F8000-memory.dmp

Filesize
416KB

Download
memory/3420-146-0x000002132FE70000-0x000002132FED8000-memory.dmp

Filesize
416KB

Download
memory/3420-145-0x00007FFBE72D0000-0x00007FFBE72D2000-memory.dmp

Filesize
8KB

Download
memory/3732-147-0x00007FFBE72D0000-0x00007FFBE72D2000-memory.dmp

Filesize
8KB

Download
memory/3732-148-0x0000015F489E0000-0x0000015F48A48000-memory.dmp

Filesize
416KB

Download
memory/4084-151-0x00007FFBE72D0000-0x00007FFBE74C5000-memory.dmp

Filesize
2.0MB

Download
memory/4084-152-0x000002DA994A0000-0x000002DA99508000-memory.dmp

Filesize
416KB

Download
memory/4084-155-0x00007FFBE72D0000-0x00007FFBE74C5000-memory.dmp

Filesize
2.0MB

Download
memory/4688-149-0x00007FFBE72D0000-0x00007FFBE72D2000-memory.dmp

Filesize
8KB

Download
memory/4688-150-0x0000023F50480000-0x0000023F504E8000-memory.dmp

Filesize
416KB

Download