hxxps://vk[.]com/doc808950829_663310671?hash=ZCIoC6uYAThycC3seOxcGiFEkl1ijtm9uzrl3ExipXw&dl=iXfveypLrIOQKqLop86VmxUnMKdPky6uii3xGey4y9o&api=1&no_preview=1#23eu

Analysis

max time kernel
148s
max time network
152s
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 11:56

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General

Target

https://vk.com/doc808950829_663310671?hash=ZCIoC6uYAThycC3seOxcGiFEkl1ijtm9uzrl3ExipXw&dl=iXfveypLrIOQKqLop86VmxUnMKdPky6uii3xGey4y9o&api=1&no_preview=1#23eu

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "678973797"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31042378"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c01ece404aabd901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000288d3b2652f30d4284f7c7f712a419580000000002000000000010660000000100002000000003065ae83ff81e9cf89381dcbf80ff5dd2fae4968250dc94b36b809e379fe60d000000000e800000000200002000000071fd6fac819639aa0ee7fb12c174c7e20cabb36217b087f9a2783294700376ea20000000124b43a6ff2801bdcf145cd96eb6929bfa70a834ed71e102912bce0c9389871640000000ff887812d08cad7be54dc92cc507aec9a2623ef355e1bf497db7205e909b5fec99a48bd60cf43f19192259058dc0dde4a537a1ab38523e99ba5b83f409749b66	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{53526D61-173D-11EE-8852-E6AEE77C66B6} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31042378"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "678973797"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "394891241"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f09ab8404aabd901	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4129409437-3162877118-52503038-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000288d3b2652f30d4284f7c7f712a4195800000000020000000000106600000001000020000000623d93bdcf76f95319e3aaa870a6fa098789c957eb43c3bfffbef8a17de10875000000000e800000000200002000000089af3afb4e72362304a566b1aadd7f1a599c0a3d62f01339e9b16262cd54506d20000000022456c735a9390d483d285f6d9f104ae1ae1e45b0107aa5ea0f00b0ce7037a6400000004e88f8e20574a6bc1065276f0fb79ec13698d1541829a637bc5a5d2f6ca48d08f1e71c20cd3b26a001a8bbce10e027a8d37c378ed4debec261ad867f58f8d708	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4680	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4680	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4680	iexplore.exe
4680	iexplore.exe
4868	IEXPLORE.EXE
4868	IEXPLORE.EXE
4868	IEXPLORE.EXE
4868	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4680 wrote to memory of 4868	4680	iexplore.exe	85
PID 4680 wrote to memory of 4868	4680	iexplore.exe	85
PID 4680 wrote to memory of 4868	4680	iexplore.exe	85

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://vk.com/doc808950829_663310671?hash=ZCIoC6uYAThycC3seOxcGiFEkl1ijtm9uzrl3ExipXw&dl=iXfveypLrIOQKqLop86VmxUnMKdPky6uii3xGey4y9o&api=1&no_preview=1#23eu
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4680
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4680 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4868

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\anq17kf\imagestore.dat

Filesize
871B

MD5
57171396ffa8c9c10dce6b4fb15d37a2

SHA1
33818920ffccdc466940980545c47db4b3b5a19a

SHA256
8d2766eac65fb603cd46964a8df81abde6d2a2f6a44d6adc02143c491a90fcaf

SHA512
a4b0f4c7900e9bf25d20e6cd08213e836436374ca869f7d6e095ae6e58875557a539f4608040523e9d596ba30c82245662f729946a38e60bcbc9685352632300

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RBBD6WFK\favicon[1].ico

Filesize
747B

MD5
2a7640af3049ac87ad304c6d06aaaeb6

SHA1
2928f8c2e82c8c5551e2e92d13015cba312c0e90

SHA256
f4988f116aaa9073b484b491a1a266606494157350d82ebf323a0cb862959d2a

SHA512
b9c7faeb1cffc9f1ac212070e3e7a1be073ec1964c50db5550b7870b222be850e45fe6dd6350e630348b55935e82229a348e6743193486f6fbd6c8dfccb86ebc

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RBBD6WFK\favicon[1].ico

Filesize
747B

MD5
2a7640af3049ac87ad304c6d06aaaeb6

SHA1
2928f8c2e82c8c5551e2e92d13015cba312c0e90

SHA256
f4988f116aaa9073b484b491a1a266606494157350d82ebf323a0cb862959d2a

SHA512
b9c7faeb1cffc9f1ac212070e3e7a1be073ec1964c50db5550b7870b222be850e45fe6dd6350e630348b55935e82229a348e6743193486f6fbd6c8dfccb86ebc

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\ZL0ZBXF8\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit