41a17ef940860c7ecc486581cc0ca9702fc264fbc2845c2c3b386b81c9b19150

Analysis

max time kernel
1592s
max time network
1596s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
02/02/2023, 02:40

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General

Target

NO ABRIR/Factura-8118980.pdf.html
Size

401KB
MD5

dd262a39abbd4398d449098834772d81
SHA1

eb9c36217c09501bf3f665eac04ab48c47f6556b
SHA256

0de177cd155ff3926f64c424f027cab06d7a7e52f56e3129c349ea5e1229d17e
SHA512

5163d8068befcfd202944d98b4a6c8ba1712b00c00e2a735a810cd6eea132ba5aef23c36600b214b0b0bbf869da6b26496fe55ed64ceb7d3fe1b52f3c9b1e979
SSDEEP

12288:GK0BOU3+06BkHl81fs2mxOa4njhiYRxz1z0:rUu0OkeVRVa4F1R/w

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 38 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000003bad9e5810411a41b405bdc87c3b0eb800000000020000000000106600000001000020000000d847204b483b8acb0a3139b6e9022b94f2414f3edf88816ce2bbc054f1d6973c000000000e80000000020000200000006e57138a94e7cb93ef0333217a3acfd951b5382791117b380c895223470de09620000000388b33d4d97fb66f9c98549351960f5e01bb4de12c4886e530b3c02847ca4b0a400000009743e242a97cb976d83b18cb0406717c68796eff60e63a070e38b8c810bafa6330d15ec71832fa727c65590b2bdb82dee151e584f16315f1928e8d7356a3b94b	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "382074240"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{6BC6EE61-A2AB-11ED-90DE-EEBA1A0FFCD1} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = a0c03833b836d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2004	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2004	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2004	iexplore.exe
2004	iexplore.exe
668	IEXPLORE.EXE
668	IEXPLORE.EXE
668	IEXPLORE.EXE
668	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 668	2004	iexplore.exe	29
PID 2004 wrote to memory of 668	2004	iexplore.exe	29
PID 2004 wrote to memory of 668	2004	iexplore.exe	29
PID 2004 wrote to memory of 668	2004	iexplore.exe	29

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" "C:\Users\Admin\AppData\Local\Temp\NO ABRIR\Factura-8118980.pdf.html"
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2004 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:668

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\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
5ed273b3ddbf3f14c710373680a61d65

SHA1
a916f5186747644eabcd2f6f79647827a44dd890

SHA256
54f05599acb539fd8734abe4e4e4be8075bd5ae28350461c3ef8ccc99307baa1

SHA512
d79ea231bde161586a87d7493bfbb75f363a12bec86ac3785ca471960e37242ec819c929494d2fd841a1bf2bfa90ed90506200a4b82fdc89553088bd39e57d8e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\mlf2v8h\imagestore.dat

Filesize
5KB

MD5
6224a723dc77b614a7940542c3894447

SHA1
2fcfc84b991b3c1a137eb7fbf0c4a78432d8d4a1

SHA256
41c6dd6a23f19d52329a0b076f60b50a35389ea60a24ecaa8a6f0b0733449127

SHA512
b1483d082a3c71832e5d4d65cabde07c68ebe474576d30bc111cd3a0ba4e49bd0d2020c10161049c37dc67620846c56390ad43b1a813c15d247d2e5b6730e409

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\1CF3P18S.txt

Filesize
604B

MD5
71656d1d3018dcb3d7a09b9e335d2ee4

SHA1
1ac8269f0827e0abb85376736587f4183cad17ea

SHA256
5d9262f2bf11b5fe1d34c65bba19ea7d2a3f583ba4c89db68980aa54e681d293

SHA512
d8ea93b1be95f8d0bc93de298a5d1ff0a1c501e9211694229b74d19a28712296f110f1acdd4a72fef89628947f7fbf73e381395f3501a3a5ef859198db929d8d

Download Submit