6a41f27d45308f281b986b4dfed2989781a0b69cbf069bc84f28e333b56d6dbf

Analysis

max time kernel
228s
max time network
255s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
26-08-2023 22:04

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General

Target

help.htm
Size

53KB
MD5

a249587defc4f17f972785d38bd76df7
SHA1

a359c29f7a850e01688890e1990022992e353493
SHA256

2c2727cf87a4a33c0fabcc1c61ebc978e9ab6bc362689a22571ec768f1361393
SHA512

24a81603830a66fd4e06d6747ef55a2e1decf8cc2e27aa159e3bd06244749c323e78487d5ade8e0178dae9ed5ab77818a8e8015654673d3bd5b3ee619bcc5ea4
SSDEEP

768:FWAtJoDQSUPSEXVe5wSCFz1K4I8Cnsro7:b6kxPSGowS8E4I8Wsa

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 50f8f8dc69d8d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "399249554"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{005A1901-445D-11EE-B0E5-CA145D9C6258} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000b14723a8e389564aa88fef2378dcfc6300000000020000000000106600000001000020000000519b2c3b0242909db4a3f757bdbbde7dda182a9bbab205e25d30c112fac50535000000000e8000000002000020000000af1120fba668548c654364cb3b23f70b5350bd42911f0550a31a741526c7beff20000000c485cfaaa30d135f669655b331f96c15b2a9675147c76d1717e239535a0947c4400000008aa63085714524d2214d6157d76435cc92b7ee1367cb0c73467232cbf6200ddf3e7cf1d29bb8332f6ebd66d47f1bf693ff0a631fdc047d1fa071ee508d7c8578	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1044 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1044 iexplore.exe
1044 iexplore.exe
2732 IEXPLORE.EXE
2732 IEXPLORE.EXE
2732 IEXPLORE.EXE
2732 IEXPLORE.EXE

pid	process
1044	iexplore.exe

pid	process
1044	iexplore.exe
1044	iexplore.exe
2732	IEXPLORE.EXE
2732	IEXPLORE.EXE
2732	IEXPLORE.EXE
2732	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

iexplore.exe

description	pid	process	target process
PID 1044 wrote to memory of 2732	1044	iexplore.exe	IEXPLORE.EXE
PID 1044 wrote to memory of 2732	1044	iexplore.exe	IEXPLORE.EXE
PID 1044 wrote to memory of 2732	1044	iexplore.exe	IEXPLORE.EXE
PID 1044 wrote to memory of 2732	1044	iexplore.exe	IEXPLORE.EXE

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\help.htm
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1044
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1044 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2732

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\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

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

Filesize
344B

MD5
aebbde9a4e9c82ea857c32486ee60667

SHA1
57908413214b7f943647a64a939fdd25e9f3545b

SHA256
d71b7f54a59e0ffdc0940ea6661d1ba58d9988a7e84039feafa1d0cf00a8e30c

SHA512
040101a25c7f138829207a2a6cb0549ef0b82e02fcdbeec97e3043b1e8c071a24b80dbe00a28003f3a35aeaf063eb70aeb9d1818f82bf373a8f9d048642144a2

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

Filesize
344B

MD5
f00dda6dd99a104240d1c90964d2a6d8

SHA1
bbec0285458d20a1761a03550cee3ecbce401baa

SHA256
bc3865707551906605b1cfe2d41172a4965dfd6c685ebe29e988e99ec2266368

SHA512
dfe012f99a3c4eb5acd7d607b047aea0f5494780595eb20fa46db1a45301af4353bbce741fb6837cd4a3a3b60370db57b58351f124c4d433de516d9346a2c665

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

Filesize
344B

MD5
6e46bed38fc79372d4c259f7d3b3c795

SHA1
443ec676247fb5cba0c9d80241fff453923fd5af

SHA256
d1235c041ab62a4d3069bb7e36ef752e5760548df0fd96cdbaa0609d489dfa4d

SHA512
4f157b3cd6779ad8e4bb156f8e6cbf9243c6287cbd9d79944e500af14caaedbaaec2b378b6b0c4cc81d14a97de749a9a417e4634132070b99c28b67019aaa109

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

Filesize
344B

MD5
6748026c8f8aa25a6baf8607dd50293f

SHA1
b2e1735ea56f80c583611afebcaa1f440c53b1a5

SHA256
3266ede3268ea349dc665a6255c6aa436ccbfebb76d896f2f0c0d25f41c2e4e7

SHA512
d3ed38eae452a6b96de1beef7a22520cba49b46d24ff5ae96ae7ebd64d6dbde1f193d97a4a6d317076fe0ec143b99a3e6ebb3da6095dd97fdf5864184f739a6c

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

Filesize
344B

MD5
fb7eae2f67b2ae0962e60f17200f1a05

SHA1
4e26492876e7e650d4a27946ab948ba0f75c9080

SHA256
ea081f75a80a160e301fd649e8b5c0cba0ec8e03bcd7c9c187e8b4ef6f7a796a

SHA512
3e1cddf629043c51e4fc3e9c543e9e83187dc9c5e8e93363a784b00912861cef6c8729fc10e5ae4b2218f492e7cc4396c063163db0ee5553394c589b8e625b31

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

Filesize
344B

MD5
e5a549eb853bbeda8f7f9b9d97b06ea5

SHA1
b724e2ca40db6f5b1e55f1c05b2afac957987a79

SHA256
213de09b7df0d53c10f1ce59044bd9ebce7b58aa10e007b8588a6a40d5c31c14

SHA512
cc47db73581b1503befbe0b793b9f381c5a824c7f0995c9168095d0107dea999fd4802ee7d3f275e70457355bc740b18726182896119c2766d404fe0c8039811

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

Filesize
344B

MD5
2ef876eb0daf7eadcc5010f8d15a1152

SHA1
92da6bb44037befdb8da708dd1df44c9210fc0dc

SHA256
819edf2f8a06ca05e43a10494e8254c956465a2975bc8c6d7545f2f1cf4d258a

SHA512
972fc41bba47f1528063fd08b300afdf0bcd096355e61e3832d920c7a5c398911b857d0d0e0a88ad756192ac7979c74d4438815433b80befde219b688bc33f45

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C:\Users\Admin\AppData\Local\Temp\CabC9C8.tmp

Filesize
62KB

MD5
3ac860860707baaf32469fa7cc7c0192

SHA1
c33c2acdaba0e6fa41fd2f00f186804722477639

SHA256
d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

SHA512
d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

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C:\Users\Admin\AppData\Local\Temp\TarCB07.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Download Submit