4331189023a6ab51a6aac768aa071e5e67521ab2b973624a06a5081a592c1c2a

Analysis

max time kernel
146s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08-03-2024 12:41

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General

Target

bb48b4e032d869532194a49a0f0e5bcd.exe
Size

116KB
MD5

bb48b4e032d869532194a49a0f0e5bcd
SHA1

c3c569a4c4c8143d5aac59afe935ac58f1576a32
SHA256

4331189023a6ab51a6aac768aa071e5e67521ab2b973624a06a5081a592c1c2a
SHA512

39d8638d8f15d987823a76025efdb58a747ccee34e1c3d50d8d8a7b2641650a1047dd1a1abf73f89075bd1e0e3cb72b7972381ffc4142e7084659e3fd77635d8
SSDEEP

3072:Xu4tjJr6GmTQ3g87ANB//H4FmJORLHK1YAaRBJH8zsMvEA:JrMTEg8EB//H4ZLlRIzsMvB

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3060	Shuduv.exe
1040	Shuduv.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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Shuduv = "C:\\Users\\Admin\\AppData\\Roaming\\Shuduv.exe"	bb48b4e032d869532194a49a0f0e5bcd.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2492 set thread context of 4820	2492	bb48b4e032d869532194a49a0f0e5bcd.exe	89
PID 3060 set thread context of 1040	3060	Shuduv.exe	94

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4254538585"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{28ED2F7C-DD49-11EE-87B8-D28C415B03FA} = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4249694829"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4249694829"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31093077"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31093077"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31093077"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "416666656"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4820	bb48b4e032d869532194a49a0f0e5bcd.exe
4820	bb48b4e032d869532194a49a0f0e5bcd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1040	Shuduv.exe
Token: SeDebugPrivilege	4124	IEXPLORE.EXE
Token: SeManageVolumePrivilege	4716	svchost.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4376	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4376	IEXPLORE.EXE
4376	IEXPLORE.EXE
4124	IEXPLORE.EXE
4124	IEXPLORE.EXE
4124	IEXPLORE.EXE
4124	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 4820	2492	bb48b4e032d869532194a49a0f0e5bcd.exe	89
PID 2492 wrote to memory of 4820	2492	bb48b4e032d869532194a49a0f0e5bcd.exe	89
PID 2492 wrote to memory of 4820	2492	bb48b4e032d869532194a49a0f0e5bcd.exe	89
PID 2492 wrote to memory of 4820	2492	bb48b4e032d869532194a49a0f0e5bcd.exe	89
PID 2492 wrote to memory of 4820	2492	bb48b4e032d869532194a49a0f0e5bcd.exe	89
PID 2492 wrote to memory of 4820	2492	bb48b4e032d869532194a49a0f0e5bcd.exe	89
PID 2492 wrote to memory of 4820	2492	bb48b4e032d869532194a49a0f0e5bcd.exe	89
PID 2492 wrote to memory of 4820	2492	bb48b4e032d869532194a49a0f0e5bcd.exe	89
PID 4820 wrote to memory of 3060	4820	bb48b4e032d869532194a49a0f0e5bcd.exe	93
PID 4820 wrote to memory of 3060	4820	bb48b4e032d869532194a49a0f0e5bcd.exe	93
PID 4820 wrote to memory of 3060	4820	bb48b4e032d869532194a49a0f0e5bcd.exe	93
PID 3060 wrote to memory of 1040	3060	Shuduv.exe	94
PID 3060 wrote to memory of 1040	3060	Shuduv.exe	94
PID 3060 wrote to memory of 1040	3060	Shuduv.exe	94
PID 3060 wrote to memory of 1040	3060	Shuduv.exe	94
PID 3060 wrote to memory of 1040	3060	Shuduv.exe	94
PID 3060 wrote to memory of 1040	3060	Shuduv.exe	94
PID 3060 wrote to memory of 1040	3060	Shuduv.exe	94
PID 3060 wrote to memory of 1040	3060	Shuduv.exe	94
PID 1040 wrote to memory of 3332	1040	Shuduv.exe	99
PID 1040 wrote to memory of 3332	1040	Shuduv.exe	99
PID 1040 wrote to memory of 3332	1040	Shuduv.exe	99
PID 3332 wrote to memory of 4376	3332	iexplore.exe	100
PID 3332 wrote to memory of 4376	3332	iexplore.exe	100
PID 4376 wrote to memory of 4124	4376	IEXPLORE.EXE	101
PID 4376 wrote to memory of 4124	4376	IEXPLORE.EXE	101
PID 4376 wrote to memory of 4124	4376	IEXPLORE.EXE	101
PID 1040 wrote to memory of 4124	1040	Shuduv.exe	101
PID 1040 wrote to memory of 4124	1040	Shuduv.exe	101

C:\Users\Admin\AppData\Local\Temp\bb48b4e032d869532194a49a0f0e5bcd.exe
"C:\Users\Admin\AppData\Local\Temp\bb48b4e032d869532194a49a0f0e5bcd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Users\Admin\AppData\Local\Temp\bb48b4e032d869532194a49a0f0e5bcd.exe
  C:\Users\Admin\AppData\Local\Temp\bb48b4e032d869532194a49a0f0e5bcd.exe
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4820
- - C:\Users\Admin\AppData\Roaming\Shuduv.exe
    "C:\Users\Admin\AppData\Roaming\Shuduv.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3060
  - - C:\Users\Admin\AppData\Roaming\Shuduv.exe
      C:\Users\Admin\AppData\Roaming\Shuduv.exe
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1040
    - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
        
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3332
      - 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:4376
        
        C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4376 CREDAT:17410 /prefetch:2
        7⤵
        Modifies Internet Explorer settings
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:4124

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:4776

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4716

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\Local\Microsoft\Windows\INetCache\IE\PL0BY74L\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
116KB

MD5
bb48b4e032d869532194a49a0f0e5bcd

SHA1
c3c569a4c4c8143d5aac59afe935ac58f1576a32

SHA256
4331189023a6ab51a6aac768aa071e5e67521ab2b973624a06a5081a592c1c2a

SHA512
39d8638d8f15d987823a76025efdb58a747ccee34e1c3d50d8d8a7b2641650a1047dd1a1abf73f89075bd1e0e3cb72b7972381ffc4142e7084659e3fd77635d8

Download Submit
memory/1040-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1040-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2492-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2492-3-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3060-17-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3060-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4716-70-0x000002D95EF60000-0x000002D95EF61000-memory.dmp

Filesize
4KB

Download
memory/4716-75-0x000002D95EF60000-0x000002D95EF61000-memory.dmp

Filesize
4KB

Download
memory/4716-104-0x000002D95EDE0000-0x000002D95EDE1000-memory.dmp

Filesize
4KB

Download
memory/4716-103-0x000002D95ECD0000-0x000002D95ECD1000-memory.dmp

Filesize
4KB

Download
memory/4716-36-0x000002D956850000-0x000002D956860000-memory.dmp

Filesize
64KB

Download
memory/4716-52-0x000002D956950000-0x000002D956960000-memory.dmp

Filesize
64KB

Download
memory/4716-68-0x000002D95EF40000-0x000002D95EF41000-memory.dmp

Filesize
4KB

Download
memory/4716-69-0x000002D95EF60000-0x000002D95EF61000-memory.dmp

Filesize
4KB

Download
memory/4716-102-0x000002D95ECD0000-0x000002D95ECD1000-memory.dmp

Filesize
4KB

Download
memory/4716-71-0x000002D95EF60000-0x000002D95EF61000-memory.dmp

Filesize
4KB

Download
memory/4716-72-0x000002D95EF60000-0x000002D95EF61000-memory.dmp

Filesize
4KB

Download
memory/4716-73-0x000002D95EF60000-0x000002D95EF61000-memory.dmp

Filesize
4KB

Download
memory/4716-74-0x000002D95EF60000-0x000002D95EF61000-memory.dmp

Filesize
4KB

Download
memory/4716-100-0x000002D95ECC0000-0x000002D95ECC1000-memory.dmp

Filesize
4KB

Download
memory/4716-76-0x000002D95EF60000-0x000002D95EF61000-memory.dmp

Filesize
4KB

Download
memory/4716-77-0x000002D95EF60000-0x000002D95EF61000-memory.dmp

Filesize
4KB

Download
memory/4716-78-0x000002D95EF60000-0x000002D95EF61000-memory.dmp

Filesize
4KB

Download
memory/4716-79-0x000002D95EB90000-0x000002D95EB91000-memory.dmp

Filesize
4KB

Download
memory/4716-80-0x000002D95EB80000-0x000002D95EB81000-memory.dmp

Filesize
4KB

Download
memory/4716-82-0x000002D95EB90000-0x000002D95EB91000-memory.dmp

Filesize
4KB

Download
memory/4716-85-0x000002D95EB80000-0x000002D95EB81000-memory.dmp

Filesize
4KB

Download
memory/4716-88-0x000002D95EAC0000-0x000002D95EAC1000-memory.dmp

Filesize
4KB

Download
memory/4820-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4820-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4820-4-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4820-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download