e0fb80ecb1ecc3b07b11a0f1d4ff023e6435af304173f40ce3ecde9216b236e8

Analysis

max time kernel
142s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/03/2024, 16:02

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General

Target

bf04efdb7e1d144588d9a6e32ea99602.exe
Size

6KB
MD5

bf04efdb7e1d144588d9a6e32ea99602
SHA1

a3aec13fa47b19e29771f72233f92adc10e67d56
SHA256

e0fb80ecb1ecc3b07b11a0f1d4ff023e6435af304173f40ce3ecde9216b236e8
SHA512

27f11620d72c01b9c4db6771524972ebb9cdf2fdeadf3571a72b16dc41f20c00e9a5608a1a92907987593f3b13a460e9af15dd5355f3dc788b594d36beee1654
SSDEEP

96:QPaLcNTLyYABhaTnC0z0nR7g5E7Gj67OGk:QigR+YAB6z0niWU67O1

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\{e6dfc6c6-03bc-44b0-9858-d2c4eaa9b8fa}\DriveAlrt.dll	bf04efdb7e1d144588d9a6e32ea99602.exe

Modifies Internet Explorer settings 1 TTPs 38 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 104a31710473da01	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1866091729"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 007638710473da01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{9A92C3FC-DEF7-11EE-B3C6-D2E65CF77D40} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31093508"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1861872480"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\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
Key created	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "416851528"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1861872480"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000068224481a8b3d349b57460395a3447ba00000000020000000000106600000001000020000000d2a700868146b38d3da12388e384ae40181de5e62d5347d47a8e50d08a40a9b2000000000e80000000020000200000001d9e2372076c7cd0cd7bc27db8e078b1100449bcead9df4169150d9caa40346b200000006a318fc4814b1e34b2dc7871097c5e79d5918601e7be8a582be0617e055398c2400000005946d6e13e76a4799163ff24a7e421eed4be4dd49f5b63f5248c4e027b2a7baad09dff7a46b11c36cb6e4cde5ddd3a1298f65880235c485fcea65c1d63d48cfc	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31093508"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31093508"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000068224481a8b3d349b57460395a3447ba000000000200000000001066000000010000200000004937897f850f1f026f9b04e129f7ea93d8f6bd5967af7608a2407e31c1bccbee000000000e80000000020000200000000f45f0004f52fcd5c47277199ed0d61559ad96df54e6826593cccac81f59b5d220000000909832fbc649af16c7c618b7c0dce3c2b6c5a9da0973684cf8c45cc5656d262b4000000055b3213c053005b0fb8714540a925d79713fb9af6c7f4f1695e8a0271b164c57f98c80ed335cb86b3fa4fde88dc48781133cd086e8e1a6feac6eb6a8dbe0cf66	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2552	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2552	iexplore.exe
2552	iexplore.exe
3460	IEXPLORE.EXE
3460	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 3460	2552	iexplore.exe	90
PID 2552 wrote to memory of 3460	2552	iexplore.exe	90
PID 2552 wrote to memory of 3460	2552	iexplore.exe	90
PID 4904 wrote to memory of 2948	4904	bf04efdb7e1d144588d9a6e32ea99602.exe	93
PID 4904 wrote to memory of 2948	4904	bf04efdb7e1d144588d9a6e32ea99602.exe	93
PID 4904 wrote to memory of 2948	4904	bf04efdb7e1d144588d9a6e32ea99602.exe	93
PID 4904 wrote to memory of 3044	4904	bf04efdb7e1d144588d9a6e32ea99602.exe	94
PID 4904 wrote to memory of 3044	4904	bf04efdb7e1d144588d9a6e32ea99602.exe	94
PID 4904 wrote to memory of 3044	4904	bf04efdb7e1d144588d9a6e32ea99602.exe	94

C:\Users\Admin\AppData\Local\Temp\bf04efdb7e1d144588d9a6e32ea99602.exe
"C:\Users\Admin\AppData\Local\Temp\bf04efdb7e1d144588d9a6e32ea99602.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 "C:\Windows\Installer\{e6dfc6c6-03bc-44b0-9858-d2c4eaa9b8fa}\DriveAlrt.dll",service
  2⤵
  PID:2948
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c c:\tempdel.bat
  2⤵
  PID:3044

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:4728

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:2552
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2552 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:3460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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\Local\Microsoft\Windows\INetCache\IE\PICZ11Q6\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\Installer\{e6dfc6c6-03bc-44b0-9858-d2c4eaa9b8fa}\DriveAlrt.dll

Filesize
42B

MD5
2bfee19f39c3579421edb5ff4a2b4da3

SHA1
3da91933da3e2b195f4b2ce152cb87e93084e717

SHA256
9a2a0662140220252ec0bd86d5c67821fefc28b2ae3b004706e44f7290581c29

SHA512
bd1c6b9467a51a3573c39977040952ed31380724b0cf144c5fbff16ff86de15b587ae5df860a70d983c98ee700bb556d39f938a7fcc52d77a2ab0fb8d788bec1

Download Submit
\??\c:\tempdel.bat

Filesize
204B

MD5
6b093994e3e9bf11675f3bdbfec26c4a

SHA1
0dd73b8ce7634c1da5965c1e9a3d9c6b20c2061e

SHA256
489a274aa3d2f53e22b114b8afe12c7e9fa0f3b8d49c588d7d0e400dd4c091a2

SHA512
e689b58f3814c652b074d00717e8958888b528b38282ec4de748831b13fa36352fcafb45467621fecf43d0c7d8640cd27ceb0972481c3c15bbec8825f923fa26

Download Submit