9d4d85be86ebe581d58362423b8e49d9e68f464cb20b90a14595c5291abaef3c

Analysis

max time kernel
138s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2022 00:30

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General

Target

9d4d85be86ebe581d58362423b8e49d9e68f464cb20b90a14595c5291abaef3c.exe
Size

144KB
MD5

21a6758e4971d6ae338c5ef05c5fca42
SHA1

a037b220d8a1de3907916eb7ac6bfa7edf40dfed
SHA256

9d4d85be86ebe581d58362423b8e49d9e68f464cb20b90a14595c5291abaef3c
SHA512

be36593e0b1669d8e71a381cc0f59bf82e2be3251118815a825fc2aafa4e36b31bd9e4e6414971f46295bb177bb68f2ef0f64eab3fec446ac3db074917968ade
SSDEEP

3072:8R8CTNOgBw//psO5O1IX6gET/JTG4HZbjnCL6dgfNJZMqGmwmwmR:gNBw//psO5mIX6gETtGupn1gffZMqGma

Score

7^/10

persistence

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
4760	rundll32.exe
2552	IEXPLORE.EXE
2552	IEXPLORE.EXE

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wituv = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Roaming\\wituv.dll\",GetSystemParameter"	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{480F3F5E-72AA-11ED-A0EE-C243EF799EB6} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31000247"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31000247"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000000000001000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "480333634"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "719085707"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "641273118"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000000000001000000ffffffffffffffffffffffffffffffff720000001a000000f80400007f020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "484870453"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376796095"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31000247"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "480333634"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31000247"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31000247"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000000000001000000ffffffffffffffffffffffffffffffff5800000000000000de04000065020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
3828	iexplore.exe
3828	iexplore.exe
3828	iexplore.exe
3828	iexplore.exe

Suspicious use of SetWindowsHookEx 20 IoCs

pid	Process
3828	iexplore.exe
3828	iexplore.exe
4188	IEXPLORE.EXE
4188	IEXPLORE.EXE
4760	rundll32.exe
3828	iexplore.exe
3828	iexplore.exe
240	IEXPLORE.EXE
240	IEXPLORE.EXE
4760	rundll32.exe
3828	iexplore.exe
3828	iexplore.exe
1400	IEXPLORE.EXE
1400	IEXPLORE.EXE
4760	rundll32.exe
3828	iexplore.exe
3828	iexplore.exe
2552	IEXPLORE.EXE
2552	IEXPLORE.EXE
4760	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 4760	4864	9d4d85be86ebe581d58362423b8e49d9e68f464cb20b90a14595c5291abaef3c.exe	81
PID 4864 wrote to memory of 4760	4864	9d4d85be86ebe581d58362423b8e49d9e68f464cb20b90a14595c5291abaef3c.exe	81
PID 4864 wrote to memory of 4760	4864	9d4d85be86ebe581d58362423b8e49d9e68f464cb20b90a14595c5291abaef3c.exe	81
PID 3828 wrote to memory of 4188	3828	iexplore.exe	84
PID 3828 wrote to memory of 4188	3828	iexplore.exe	84
PID 3828 wrote to memory of 4188	3828	iexplore.exe	84
PID 3828 wrote to memory of 240	3828	iexplore.exe	85
PID 3828 wrote to memory of 240	3828	iexplore.exe	85
PID 3828 wrote to memory of 240	3828	iexplore.exe	85
PID 3828 wrote to memory of 1400	3828	iexplore.exe	88
PID 3828 wrote to memory of 1400	3828	iexplore.exe	88
PID 3828 wrote to memory of 1400	3828	iexplore.exe	88
PID 3828 wrote to memory of 2552	3828	iexplore.exe	91
PID 3828 wrote to memory of 2552	3828	iexplore.exe	91
PID 3828 wrote to memory of 2552	3828	iexplore.exe	91

C:\Users\Admin\AppData\Local\Temp\9d4d85be86ebe581d58362423b8e49d9e68f464cb20b90a14595c5291abaef3c.exe
"C:\Users\Admin\AppData\Local\Temp\9d4d85be86ebe581d58362423b8e49d9e68f464cb20b90a14595c5291abaef3c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\wituv.dll",GetSystemParameter
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of SetWindowsHookEx
  PID:4760

C:\Program Files (x86)\Internet Explorer\ielowutil.exe
"C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
1⤵
PID:3420

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3828
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3828 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4188
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3828 CREDAT:17414 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:240
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3828 CREDAT:17418 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1400
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3828 CREDAT:17422 /prefetch:2
  2⤵
  - Loads dropped DLL
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2552

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\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
4132c54f59c529167c112e7f519120fa

SHA1
94cc9036fa031258aa744c7ee88e3c0b6c7a73da

SHA256
e9f456cf8bb8cc4a683d1c2f792feeb4c83fff24a86e6bcb260eff8fbff126fb

SHA512
e8efb8e81a90ffbe177301fbba4470ded104fc6d12cfa0123938b981d612eb2c4a66bb47b585cd43ed6ed4940e0ad5a1e3a5d9d18f8cb643e741aae694c4baee

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
434B

MD5
c418096100986fce5feb6a233ed6aa13

SHA1
a629e4f3b0bfc3bae8d9a93c29ba6c8f15a5a72f

SHA256
ccccba1efd9a6f8644aeaaf3304998560d546c6d78a1aa9a4592171087dc0bf0

SHA512
1bc97072204136e774b6a86989110d9453878d13bc80b1790068c9b3d398d5315c9f4b346a0116d10ec526b339479d5f0af81cd74dd260d2565ba8104a113800

Download Submit
C:\Users\Admin\AppData\Roaming\wituv.dll

Filesize
144KB

MD5
af0735d19fd061f5dd3dad228cf0ad48

SHA1
684fe904078ad5f09b2824900bbc3d2c22f22ef7

SHA256
f813f21e282c146e4286646286a58e873c9b82f926c1c4868769abe9fa37927c

SHA512
d9d6777a4a439b7254e33a03082dd4d894df0eef012f1a646bf0a04f24bac52737c57a07604ed48d93c71bbddd012c28a63e63b883610694331a4e3fb76048d8

Download Submit
C:\Users\Admin\AppData\Roaming\wituv.dll

Filesize
144KB

MD5
af0735d19fd061f5dd3dad228cf0ad48

SHA1
684fe904078ad5f09b2824900bbc3d2c22f22ef7

SHA256
f813f21e282c146e4286646286a58e873c9b82f926c1c4868769abe9fa37927c

SHA512
d9d6777a4a439b7254e33a03082dd4d894df0eef012f1a646bf0a04f24bac52737c57a07604ed48d93c71bbddd012c28a63e63b883610694331a4e3fb76048d8

Download Submit
C:\Users\Admin\AppData\Roaming\wituv.dll

Filesize
144KB

MD5
af0735d19fd061f5dd3dad228cf0ad48

SHA1
684fe904078ad5f09b2824900bbc3d2c22f22ef7

SHA256
f813f21e282c146e4286646286a58e873c9b82f926c1c4868769abe9fa37927c

SHA512
d9d6777a4a439b7254e33a03082dd4d894df0eef012f1a646bf0a04f24bac52737c57a07604ed48d93c71bbddd012c28a63e63b883610694331a4e3fb76048d8

Download Submit
C:\Users\Admin\AppData\Roaming\wituv.dll

Filesize
144KB

MD5
af0735d19fd061f5dd3dad228cf0ad48

SHA1
684fe904078ad5f09b2824900bbc3d2c22f22ef7

SHA256
f813f21e282c146e4286646286a58e873c9b82f926c1c4868769abe9fa37927c

SHA512
d9d6777a4a439b7254e33a03082dd4d894df0eef012f1a646bf0a04f24bac52737c57a07604ed48d93c71bbddd012c28a63e63b883610694331a4e3fb76048d8

Download Submit
memory/4760-140-0x0000000000700000-0x0000000000727000-memory.dmp

Filesize
156KB

Download
memory/4760-144-0x00000000006D0000-0x00000000006E4000-memory.dmp

Filesize
80KB

Download
memory/4864-132-0x0000000002020000-0x0000000002047000-memory.dmp

Filesize
156KB

Download
memory/4864-136-0x0000000000650000-0x0000000000664000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads