hxxps://vk[.]com/doc808950829_663569616?hash=ZuHz8ifYQXaABJNla77YVgzR6Kp6ZlfsWLhW8BL6fDs&dl=OAYPAPqLTjAyehaBkQg5wuzqYvtdnFHmklEfR86hDXP&api=1&no_preview=1#12

Analysis

max time kernel
79s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
30/06/2023, 11:51

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General

Target

https://vk.com/doc808950829_663569616?hash=ZuHz8ifYQXaABJNla77YVgzR6Kp6ZlfsWLhW8BL6fDs&dl=OAYPAPqLTjAyehaBkQg5wuzqYvtdnFHmklEfR86hDXP&api=1&no_preview=1#12

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1481766341"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f0147a5b49abd901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1481929429"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31042377"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31042377"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31042377"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000082e1c0dc4be3f54f8ffc5370cc661e560000000002000000000010660000000100002000000011878d4d1f547c5114eb5e9738aaafcbea277824341a4baa617c588c3d4c3fc3000000000e8000000002000020000000ed345295126300e2ef9bf0de06e975aee77823ab6101603b3024af7e371abc692000000082cdcdd3bb47a445cf1068c66029a9803d313e41cd3a425a0c1d8977f83a182e400000009eab5d15ed0c516e4171199ed62d1a2e2a61621dacf5067587af292da9d71763cedbf2650726087e2e728f1f1d6e73401982c49b1b2c85f33a6d2594f8b1e4ff	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1492703724"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 40aa585b49abd901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000082e1c0dc4be3f54f8ffc5370cc661e5600000000020000000000106600000001000020000000e8221271e5490a82b268dfe7a74167c9c0b9230ae86767fa61c43a607e67a964000000000e8000000002000020000000d93e8e1c2975586035200c35d8291e9bef7473356634802bd2842916d15ca9ee20000000f188202ae83a8f1fbad55eeb970d9d731cfe368466b57843746287ef13959946400000003ed6c4fa995afd58290f43cebce0f63a8f3acf742863e86f35bb113c04b344fdca495ba0f590aa6c0e253ba96b78a1afa0dc010131c07b0a8580bc80ec1432e6	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "394890892"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{83C8C01B-173C-11EE-85C3-E6AEE77C66B6} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1948	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1948	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1948	iexplore.exe
1948	iexplore.exe
4028	IEXPLORE.EXE
4028	IEXPLORE.EXE
4028	IEXPLORE.EXE
4028	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 4028	1948	iexplore.exe	83
PID 1948 wrote to memory of 4028	1948	iexplore.exe	83
PID 1948 wrote to memory of 4028	1948	iexplore.exe	83

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://vk.com/doc808950829_663569616?hash=ZuHz8ifYQXaABJNla77YVgzR6Kp6ZlfsWLhW8BL6fDs&dl=OAYPAPqLTjAyehaBkQg5wuzqYvtdnFHmklEfR86hDXP&api=1&no_preview=1#12
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1948 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4028

Network

MITRE ATT&CK Enterprise v6

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\Internet Explorer\imagestore\7ysgaof\imagestore.dat

Filesize
871B

MD5
9a485810f43d8d3bf5cca5bc77b3dfcd

SHA1
35a88514716d9e8ad70c7be4777503b4bf5686a7

SHA256
e75fa86cd571188d3135346e361bdf386e748673d2c9d73108b4aa1c833bf6e1

SHA512
8cf1d53ee420f3ddd320ab88c249096cd04a2c926d5692ddacbab24f4180efafa6615ff4d05688db66ba24112b0aad42ab2130f78c9166f94b1d02502afc5f33

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\IDCMYYRW\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\X8M28FTI\favicon[1].ico

Filesize
747B

MD5
2a7640af3049ac87ad304c6d06aaaeb6

SHA1
2928f8c2e82c8c5551e2e92d13015cba312c0e90

SHA256
f4988f116aaa9073b484b491a1a266606494157350d82ebf323a0cb862959d2a

SHA512
b9c7faeb1cffc9f1ac212070e3e7a1be073ec1964c50db5550b7870b222be850e45fe6dd6350e630348b55935e82229a348e6743193486f6fbd6c8dfccb86ebc

Download Submit