98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc

Analysis

max time kernel
192s
max time network
225s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 16:49

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General

Target

98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc.exe
Size

108KB
MD5

7598894da8edc3789738d94d3805cca4
SHA1

5846ad1ef331f789f87fcd02e7f32ce6b827f935
SHA256

98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc
SHA512

3770b809b512ee69c319333f69087dfd0899f1230bebf34345804160e9507a92eb6316f4b5dda3b3dd2c96b7da88d531cec96b5661f934d9a43bd4885a171c84
SSDEEP

3072:PlQlfL6lFuWb+z76n2NrvGxf+7RgXUMub8:gfL4aP6+7Gxf+7Rb8

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
5056	Umvdvx.exe
1356	Umvdvx.exe

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-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run	98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Umvdvx = "C:\\Users\\Admin\\AppData\\Roaming\\Umvdvx.exe"	98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4372 set thread context of 3688	4372	98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc.exe	82
PID 5056 set thread context of 1356	5056	Umvdvx.exe	84

Modifies Internet Explorer settings 1 TTPs 23 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1245836442"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{723DBCDF-75AF-11ED-919F-DA2886E4F8F0} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31001020"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31001020"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1244742196"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1244742196"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1245836442"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31001020"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31001020"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3688	98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc.exe
3688	98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1356	Umvdvx.exe
Token: SeDebugPrivilege	3408	iexplore.exe
Token: SeDebugPrivilege	3320	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3584	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3584	IEXPLORE.EXE
3584	IEXPLORE.EXE
3320	IEXPLORE.EXE
3320	IEXPLORE.EXE
3320	IEXPLORE.EXE
3320	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 4372 wrote to memory of 3688	4372	98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc.exe	82
PID 4372 wrote to memory of 3688	4372	98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc.exe	82
PID 4372 wrote to memory of 3688	4372	98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc.exe	82
PID 4372 wrote to memory of 3688	4372	98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc.exe	82
PID 4372 wrote to memory of 3688	4372	98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc.exe	82
PID 4372 wrote to memory of 3688	4372	98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc.exe	82
PID 4372 wrote to memory of 3688	4372	98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc.exe	82
PID 4372 wrote to memory of 3688	4372	98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc.exe	82
PID 3688 wrote to memory of 5056	3688	98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc.exe	83
PID 3688 wrote to memory of 5056	3688	98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc.exe	83
PID 3688 wrote to memory of 5056	3688	98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc.exe	83
PID 5056 wrote to memory of 1356	5056	Umvdvx.exe	84
PID 5056 wrote to memory of 1356	5056	Umvdvx.exe	84
PID 5056 wrote to memory of 1356	5056	Umvdvx.exe	84
PID 5056 wrote to memory of 1356	5056	Umvdvx.exe	84
PID 5056 wrote to memory of 1356	5056	Umvdvx.exe	84
PID 5056 wrote to memory of 1356	5056	Umvdvx.exe	84
PID 5056 wrote to memory of 1356	5056	Umvdvx.exe	84
PID 5056 wrote to memory of 1356	5056	Umvdvx.exe	84
PID 1356 wrote to memory of 3408	1356	Umvdvx.exe	86
PID 1356 wrote to memory of 3408	1356	Umvdvx.exe	86
PID 1356 wrote to memory of 3408	1356	Umvdvx.exe	86
PID 3408 wrote to memory of 3584	3408	iexplore.exe	87
PID 3408 wrote to memory of 3584	3408	iexplore.exe	87
PID 3584 wrote to memory of 3320	3584	IEXPLORE.EXE	88
PID 3584 wrote to memory of 3320	3584	IEXPLORE.EXE	88
PID 3584 wrote to memory of 3320	3584	IEXPLORE.EXE	88
PID 1356 wrote to memory of 3408	1356	Umvdvx.exe	86
PID 1356 wrote to memory of 3408	1356	Umvdvx.exe	86
PID 1356 wrote to memory of 3320	1356	Umvdvx.exe	88
PID 1356 wrote to memory of 3320	1356	Umvdvx.exe	88

C:\Users\Admin\AppData\Local\Temp\98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc.exe
"C:\Users\Admin\AppData\Local\Temp\98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4372
- C:\Users\Admin\AppData\Local\Temp\98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc.exe
  C:\Users\Admin\AppData\Local\Temp\98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc.exe
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3688
- - C:\Users\Admin\AppData\Roaming\Umvdvx.exe
    "C:\Users\Admin\AppData\Roaming\Umvdvx.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:5056
  - - C:\Users\Admin\AppData\Roaming\Umvdvx.exe
      C:\Users\Admin\AppData\Roaming\Umvdvx.exe
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1356
    - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
        
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        5⤵
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:3408
      - C:\Program Files\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:3584
        
        C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3584 CREDAT:17410 /prefetch:2
        7⤵
        Modifies Internet Explorer settings
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:3320

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

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Downloads

C:\Users\Admin\AppData\Roaming\Umvdvx.exe

Filesize
108KB

MD5
7598894da8edc3789738d94d3805cca4

SHA1
5846ad1ef331f789f87fcd02e7f32ce6b827f935

SHA256
98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc

SHA512
3770b809b512ee69c319333f69087dfd0899f1230bebf34345804160e9507a92eb6316f4b5dda3b3dd2c96b7da88d531cec96b5661f934d9a43bd4885a171c84

Download Submit
C:\Users\Admin\AppData\Roaming\Umvdvx.exe

Filesize
108KB

MD5
7598894da8edc3789738d94d3805cca4

SHA1
5846ad1ef331f789f87fcd02e7f32ce6b827f935

SHA256
98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc

SHA512
3770b809b512ee69c319333f69087dfd0899f1230bebf34345804160e9507a92eb6316f4b5dda3b3dd2c96b7da88d531cec96b5661f934d9a43bd4885a171c84

Download Submit
C:\Users\Admin\AppData\Roaming\Umvdvx.exe

Filesize
108KB

MD5
7598894da8edc3789738d94d3805cca4

SHA1
5846ad1ef331f789f87fcd02e7f32ce6b827f935

SHA256
98162d5f2d4ab3a4c1dc161a80543d665d1dd8d2852154c7899c6930eff66ebc

SHA512
3770b809b512ee69c319333f69087dfd0899f1230bebf34345804160e9507a92eb6316f4b5dda3b3dd2c96b7da88d531cec96b5661f934d9a43bd4885a171c84

Download Submit
memory/1356-148-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1356-150-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1356-151-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3688-137-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3688-138-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3688-134-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3688-149-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4372-136-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4372-132-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/5056-146-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download