5181d23beb108c934b8967d68bcfed046652856b816dfb0e37684ea0d6d8b44f

Analysis

max time kernel
125s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
11/06/2024, 08:11

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General

Target

5181d23beb108c934b8967d68bcfed046652856b816dfb0e37684ea0d6d8b44f.pdf
Size

46KB
MD5

6efe4599f1220f7f2e5e068c615e644a
SHA1

b15354524f969f71f6dd1a8d7a8a72effd3f5eaf
SHA256

5181d23beb108c934b8967d68bcfed046652856b816dfb0e37684ea0d6d8b44f
SHA512

13e05630e7c0595dd90fdf667dd99be0ced46d3ab6c7b9687dc2d86d41fd2bf9a5de3f448f2a8be0d0192a665309a2c3c0359f7d61eda47aff48e47698e1e82c
SSDEEP

768:pss28gzqeUC/bLufNa+r6X6dSMCz+MB1br9r879O/S0RjcgjgxGCGqdVkk44AIFm:3ne9XufNa+r+6dSMYP9rW9adc7xGFqdo

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 35 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "424255410"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000760f6fb6d7365248881a38bcea68cf8b00000000020000000000106600000001000020000000da7acb66a215e35e340f2b4561acb1ba35ccc76be9a7db815a966e5e18c30bd3000000000e800000000200002000000010873bf4c323a7490be18d56cef30aff26cb7ea5106066364ce8033f9d108e2720000000cd51e3c39e2c447454f444d16a785296c4785a699190ffbaa8e2a7f659d55e9f40000000edb5b37da9e98e4d0e7b5b658a7c970aade618b990ff02770b2bd7a0aff7ddf5bbe3596b3a71b468ec1a1985a60b36dfbe445492dba86ce6894b1b12872f1550	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b087341fd7bbda01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{46E11D51-27CA-11EF-A04B-4EB079F7C2BA} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2764	iexplore.exe
2764	iexplore.exe
2764	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2084	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2764	iexplore.exe

Suspicious use of SetWindowsHookEx 20 IoCs

pid	Process
2084	AcroRd32.exe
2084	AcroRd32.exe
2084	AcroRd32.exe
2084	AcroRd32.exe
2764	iexplore.exe
2764	iexplore.exe
2488	IEXPLORE.EXE
2488	IEXPLORE.EXE
2824	IEXPLORE.EXE
2824	IEXPLORE.EXE
2824	IEXPLORE.EXE
2824	IEXPLORE.EXE
2964	IEXPLORE.EXE
2964	IEXPLORE.EXE
2964	IEXPLORE.EXE
2964	IEXPLORE.EXE
2488	IEXPLORE.EXE
2488	IEXPLORE.EXE
2832	IEXPLORE.EXE
2832	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2764	2084	AcroRd32.exe	28
PID 2084 wrote to memory of 2764	2084	AcroRd32.exe	28
PID 2084 wrote to memory of 2764	2084	AcroRd32.exe	28
PID 2084 wrote to memory of 2764	2084	AcroRd32.exe	28
PID 2764 wrote to memory of 2488	2764	iexplore.exe	30
PID 2764 wrote to memory of 2488	2764	iexplore.exe	30
PID 2764 wrote to memory of 2488	2764	iexplore.exe	30
PID 2764 wrote to memory of 2488	2764	iexplore.exe	30
PID 2764 wrote to memory of 2824	2764	iexplore.exe	32
PID 2764 wrote to memory of 2824	2764	iexplore.exe	32
PID 2764 wrote to memory of 2824	2764	iexplore.exe	32
PID 2764 wrote to memory of 2824	2764	iexplore.exe	32
PID 2764 wrote to memory of 2964	2764	iexplore.exe	33
PID 2764 wrote to memory of 2964	2764	iexplore.exe	33
PID 2764 wrote to memory of 2964	2764	iexplore.exe	33
PID 2764 wrote to memory of 2964	2764	iexplore.exe	33
PID 2764 wrote to memory of 2832	2764	iexplore.exe	37
PID 2764 wrote to memory of 2832	2764	iexplore.exe	37
PID 2764 wrote to memory of 2832	2764	iexplore.exe	37
PID 2764 wrote to memory of 2832	2764	iexplore.exe	37

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\5181d23beb108c934b8967d68bcfed046652856b816dfb0e37684ea0d6d8b44f.pdf"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" https://bit.ly/3Kt7Ejf
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2764
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2764 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2488
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2764 CREDAT:209932 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2824
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2764 CREDAT:406540 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2964
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2764 CREDAT:2634768 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2832

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\Temporary Internet Files\Content.IE5\52G8PVLC\errorPageStrings[1]

Filesize
2KB

MD5
e3e4a98353f119b80b323302f26b78fa

SHA1
20ee35a370cdd3a8a7d04b506410300fd0a6a864

SHA256
9466d620dc57835a2475f8f71e304f54aee7160e134ba160baae0f19e5e71e66

SHA512
d8e4d73c76804a5abebd5dbc3a86dcdb6e73107b873175a8de67332c113fb7c4899890bf7972e467866fa4cd100a7e2a10a770e5a9c41cbf23b54351b771dcee

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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\IO0LJX84\NewErrorPageTemplate[1]

Filesize
1KB

MD5
cdf81e591d9cbfb47a7f97a2bcdb70b9

SHA1
8f12010dfaacdecad77b70a3e781c707cf328496

SHA256
204d95c6fb161368c795bb63e538fe0b11f9e406494bb5758b3b0d60c5f651bd

SHA512
977dcc2c6488acaf0e5970cef1a7a72c9f9dc6bb82da54f057e0853c8e939e4ab01b163eb7a5058e093a8bc44ecad9d06880fdc883e67e28ac67fee4d070a4cc

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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\MEFTDE7Q\httpErrorPagesScripts[1]

Filesize
8KB

MD5
3f57b781cb3ef114dd0b665151571b7b

SHA1
ce6a63f996df3a1cccb81720e21204b825e0238c

SHA256
46e019fa34465f4ed096a9665d1827b54553931ad82e98be01edb1ddbc94d3ad

SHA512
8cbf4ef582332ae7ea605f910ad6f8a4bc28513482409fa84f08943a72cac2cf0fa32b6af4c20c697e1fac2c5ba16b5a64a23af0c11eefbf69625b8f9f90c8fa

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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\SVBQZB4R\dnserror[1]

Filesize
1KB

MD5
73c70b34b5f8f158d38a94b9d7766515

SHA1
e9eaa065bd6585a1b176e13615fd7e6ef96230a9

SHA256
3ebd34328a4386b4eba1f3d5f1252e7bd13744a6918720735020b4689c13fcf4

SHA512
927dcd4a8cfdeb0f970cb4ee3f059168b37e1e4e04733ed3356f77ca0448d2145e1abdd4f7ce1c6ca23c1e3676056894625b17987cc56c84c78e73f60e08fc0d

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C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
ef55305233d5d4e45d60d2ad5842d413

SHA1
de3926ab099c882dd5426d5d06800cdf19369592

SHA256
0b62eee4c350cbad64dd436ddce0ddfb56020f65ed91d92a04e9eec827afb23e

SHA512
aed3b248932614257f7d26935614b0143e7cbc589e8b73e6238abfe738381a0cacf0c6638f18fe5c7707237affcaea00fca139c09536d040d1a7f9182dc7d177

Download Submit