e2df0cea039d91bfbcc0109359eef2db55c27ff8e04a9fe963c112db0e597d9e

Analysis

max time kernel
138s
max time network
155s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 03:27

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General

Target

0cf132a29410b5ee656a610f920b4ba7.dll
Size

174KB
MD5

0cf132a29410b5ee656a610f920b4ba7
SHA1

76539c39e62d18e5ee7cc2fe20b59faf325a1b28
SHA256

e2df0cea039d91bfbcc0109359eef2db55c27ff8e04a9fe963c112db0e597d9e
SHA512

aeb46f8733031e67106203b68d400899477b31499087e8eda1cae97edaedf456b78711e2e7c28f51f13f29409ef3cc0478f4a0465a5b332a5093783271a0f83f
SSDEEP

3072:irRO6VMKUpkW1cmBA9Ezc7rXktZCT2ErXY0TySak5GtCt:OKVRckA9XrEUjYOaPtCt

Score

6^/10

adware persistence stealer

Malware Config

Signatures

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\edephvcfwzfimbht = "C:\\Windows\\System32\\regsvr32.exe /s \"C:\\Users\\Admin\\AppData\\Local\\Temp\\0cf132a29410b5ee656a610f920b4ba7.dll\""	regsvr32.exe

Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{DFA48FC1-BF41-A00A-0B30-C4729CD92056}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{DFA48FC1-BF41-A00A-0B30-C4729CD92056}\NoExplorer = "1"	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 35 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d80bef292bee784c8e3c940d61fdfeb80000000002000000000010660000000100002000000053885d518a64f76e42e4594923b578a25d7019bd07024a1f4e4eb61210c79a90000000000e80000000020000200000005658aef47b9b45fc984e4c55abedfa88463487be3d3109d7e3bb71398ed1b141200000000df69373d3a7654566441a8dc92c2f3210e5adf398e3591a4839c3d1c8146eff40000000d684f26e99b7ad791201799a2bc8a8eb40e8e2b73adcd3fc7c8291001e00a2c1ced3ecff79b3b11d7e21647981bfb9bb93592c860cb59b916660b65bf74f0ae5	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 80bf4e5c533bda01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "410125056"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{83FE1441-A746-11EE-AC0C-EAAD54D9E991} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DFA48FC1-BF41-A00A-0B30-C4729CD92056}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DFA48FC1-BF41-A00A-0B30-C4729CD92056}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DFA48FC1-BF41-A00A-0B30-C4729CD92056}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0cf132a29410b5ee656a610f920b4ba7.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DFA48FC1-BF41-A00A-0B30-C4729CD92056}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DFA48FC1-BF41-A00A-0B30-C4729CD92056}\ = "offersfortoday browser enhancer"	regsvr32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1292	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1292	iexplore.exe
1292	iexplore.exe
2788	IEXPLORE.EXE
2788	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 2404	2652	regsvr32.exe	28
PID 2652 wrote to memory of 2404	2652	regsvr32.exe	28
PID 2652 wrote to memory of 2404	2652	regsvr32.exe	28
PID 2652 wrote to memory of 2404	2652	regsvr32.exe	28
PID 2652 wrote to memory of 2404	2652	regsvr32.exe	28
PID 2652 wrote to memory of 2404	2652	regsvr32.exe	28
PID 2652 wrote to memory of 2404	2652	regsvr32.exe	28
PID 1292 wrote to memory of 2788	1292	iexplore.exe	30
PID 1292 wrote to memory of 2788	1292	iexplore.exe	30
PID 1292 wrote to memory of 2788	1292	iexplore.exe	30
PID 1292 wrote to memory of 2788	1292	iexplore.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0cf132a29410b5ee656a610f920b4ba7.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\0cf132a29410b5ee656a610f920b4ba7.dll
  2⤵
  - Adds Run key to start application
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2404

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:1292
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1292 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2788

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

Browser Extensions

T1176

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\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
1b2f1e3008775a4d9d3b6b22599c820a

SHA1
c725bfb6a2fd9881045d0a62b5122ba082a66b9b

SHA256
89ff19a7315a593eee873ea298ef8cf73cdd0048efb0e3e263d08fc622f734ef

SHA512
e9a71cf339ef22c055bce5df26107cfdc06b3dc8ac56676ed62eed9637e9c915c80f9e6ee649942084cd7c5249220df4cf6f891b425e5c62a12a966e2163ce02

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
b79bf8368a932ee78516c4c11e2d34c6

SHA1
936d6c9ad9403d34f06ee004acda013116b8e4a5

SHA256
f26359aa4820c68153c304241d8b597b83cc75629c128ebc2a3ad37769ac5ebd

SHA512
d6a9ef4b50683f3c8496d99856420a16f1632f748ea19fb33d5d7ff6dea0055dd22c66725b2f9c8948b3c0b255ed9e7ae20f8a5b973d9d0ce166b1196a61ad92

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
f62d7b43d56497dc3af1a3b9e01de634

SHA1
5d7d23550f92eede6c7c3994af02535650697334

SHA256
38e4c1385e11b819b17b9c6ee095e1a324be58694d4149e01948fc4d97b22da8

SHA512
27026fd0140e29e83368e3f31f7fbc7e6daf7eb7964b183378585a04a8bca9f0eb07b5308666728add9b9a609d304279a8e5112770f0a6c37fff1d5e81dff1b0

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
e00fea77ffe49df61e317c8dd341e7d0

SHA1
64e9461eb5e6c654f89299a701be4ee48b82de06

SHA256
326e1857a52051e3e32c8fd08db238976ccf7a01d4dcebf7c02f03577f88d044

SHA512
1fb81ce8d474ffc7d58e58d3b225c2e466ec6b8ae76af1d2cb2cecacd11c95c72c6bb999a9d200419fcba3efa57971987f0af0a739cf3fa0f2b290836a3f195d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
9a49dd413f138a40d8fddb76991f1c08

SHA1
8652897982f9c52bbb4293ac14089e1016522112

SHA256
4d744b7d919859d8551dbdbd626db79a0a34fd999866fb2bbe4bedfdc1a30c73

SHA512
cbd28d250f10b5f511171325e0a850e634b642193f53270c48a460cc48b019332f32c2908c42d0e4c98b88a9eaf48215dcd624cbb9c597afffa0b091d3b52463

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
c5e346d546a6cb3a0e1644135616af9f

SHA1
aabc7750b1aaed8fadfc83eedb754d2de4647c46

SHA256
291f55d7b02c486a559253f308c80852f11de52f46e77737598ac32debb0c0ad

SHA512
47b793de75f3b8af87389315091aa5f89a896bf15640e8114fa00fbbdaf9e6bee179035ba97f65e1323e8ce2666e526c621dae2360658aaf8dd0ef5b871a809d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
d9aca69aec13c12b7ce4266ccee2900e

SHA1
4a155f14fb86318a32fe9373c8cc069effd03154

SHA256
3cfdf9a13959b4f835230557c966bfcecc8ddef331cba6b8aab107833c843855

SHA512
39ef431f2703b450980d3f76608fd069e1b9f7c1b9dc776c765d15865b526e4d06920190044dcdf2bb6518c33dd567094c99e94ac2971d38e289f3266f1eda08

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
364d8e9f22a0aedb0d19c9c1cde68743

SHA1
5da123d942ec99f8c8405b62b29cd4bac3871de2

SHA256
ace9284420ea61031abf3a9756ba7652f726af8e5b4b7b3ac3c1b51bb1a39272

SHA512
6ff89219d528dfb77b61b229d9572093e79c6fa04f87a1901b7c3948b82dfa722d64987389fc122d175e8973868a61f7082d29741fde4c5a92ae96d758e70beb

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab930D.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar97FF.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
memory/2404-0-0x0000000000260000-0x0000000000262000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads