e5b16c682bd82fad9898eb1259b02c872be31a6dfa0c30e8618f06e33883d6a4

Analysis

max time kernel
137s
max time network
133s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
26-08-2023 22:01

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General

Target

assign_labels_local.html
Size

1KB
MD5

b152537ba127d8460bb68e6c654440b1
SHA1

ce3cc1561c9791352d6483b814eea034f3744625
SHA256

2d019088a023dc89232b03863c4a587ef10b9a7d70859db05b6faa754f366c2b
SHA512

d31c69b08d80b740f010e0e911e2abf851f897d4068d99cf5a3e9ec05adff8b47db880996f7ee9a7bb00f37468bb133c2367207069d54baf54872573985a960a

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
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{1D0C3F71-445C-11EE-9505-66AFBA4EB959} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "399249161"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 50d6f7f168d8d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000002a91d4b999c9854dbdd04be1b9b2202d000000000200000000001066000000010000200000003f7b8ed1dc0817d55f648b166e703bdc5a82c0c153d9e94e8da2ed6367929d55000000000e80000000020000200000001d3111a90e4b4c9b41d2d47ac1c063adffb88607f4e3df6190481098d2d24ca320000000c16706e2972e71bd524cc4dc9c52eee211fad4ff916700f2d66b2535c7240f1a40000000de312d4ecad60e5e74512dcffb12bdf245b8513e985dd7e6ec0c64c8f84c211956730068eedff323afa1c56a4d4f62b01c1a67468b20007c63c46426f3c12999	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

2264 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2264 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2264 iexplore.exe
2264 iexplore.exe
2816 IEXPLORE.EXE
2816 IEXPLORE.EXE
2816 IEXPLORE.EXE
2816 IEXPLORE.EXE

pid	process
2264	iexplore.exe

pid	process
2264	iexplore.exe

pid	process
2264	iexplore.exe
2264	iexplore.exe
2816	IEXPLORE.EXE
2816	IEXPLORE.EXE
2816	IEXPLORE.EXE
2816	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

iexplore.exe

description	pid	process	target process
PID 2264 wrote to memory of 2816	2264	iexplore.exe	IEXPLORE.EXE
PID 2264 wrote to memory of 2816	2264	iexplore.exe	IEXPLORE.EXE
PID 2264 wrote to memory of 2816	2264	iexplore.exe	IEXPLORE.EXE
PID 2264 wrote to memory of 2816	2264	iexplore.exe	IEXPLORE.EXE

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\assign_labels_local.html
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2264 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2816

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
c06e5e3d088d599e34bdd3dd5baf46ba

SHA1
015a60f457509086feed96b78d8d51e2d5751e03

SHA256
75925c9bc3b499ce9767d915960fe98f25385e3edc3a7b2679d7473a23eb3896

SHA512
dfef8ac32648969ce88fe6568352d351adbecbfd74f1921c2b7a5b470167fba6d12270bab0d6bfca480c4dc1644935c7f7716f11187e0671db77d4d1eb82e104

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

Filesize
344B

MD5
d5876c57c5280d10eb8f7dc9096307bb

SHA1
acb5cf08c730934b533bd5506d049a8cebbc8855

SHA256
654b0322633fea46934536040bd5e06c318805f06d8c5e77e0626768fbf4da43

SHA512
720a347449ba8077814c3ddc71be5f5645dee66fda9730cf48660c9182525948ad0b4bf9879257b4bb02b056d6c54a10eaadf1d6e60f09c6e487ffc735fcdafa

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

Filesize
344B

MD5
42346c505463aba04695a7c2a0643671

SHA1
c513ec3ef2e1014f6197631040d687e2ae06131f

SHA256
278835ad1781a15638fa4a2ef2ff7edb4220a7b1d34a2b412efe090c80232fbc

SHA512
8189d39461931678a306087517d00126f425d0336b6828850a1281a3631a2e5bb8f0c95e5a4d8d4ed1133aae4578244dfe7fa167ee9770fd45b1414db45de021

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

Filesize
344B

MD5
dd706d980f132593fd8ec6000e1313ac

SHA1
fe242c1b559f9369caa9126daf8af77dae9f0d0c

SHA256
d7956759353a69b78c1885b697414008208bfaeedb0bebe7d78de7a674a914af

SHA512
8129f0372222aa32e14a6e1c2e0ef587f263faed1867d4879f458366e1ed39445dcf35638cc75c0ef6e60e961dc37fc59715a649622dacd57e9f3fde2bbe5772

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

Filesize
344B

MD5
787c4cf19378117c8f6ba6c354eac5dd

SHA1
bac6e32bc8d46d5331edebb23e7fd7c92aa0dab6

SHA256
f8d3532d3e5198a4091079ab75fa2b256c022bdc8818decfb414e656529630f0

SHA512
1df0fe4729b80d553965db394ea1591df2223bed9f09f98a710e8619bebe38d810277eaf292c192322d8e59f948cdb710093be56d071b5f7a4d8eceb011f4635

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C:\Users\Admin\AppData\Local\Temp\Cab8FF2.tmp

Filesize
62KB

MD5
3ac860860707baaf32469fa7cc7c0192

SHA1
c33c2acdaba0e6fa41fd2f00f186804722477639

SHA256
d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

SHA512
d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

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C:\Users\Admin\AppData\Local\Temp\Tar9142.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Download Submit