aecf78441b2862cc1939963e30bbb56a9226a2c6fb50fac4ec70005189594915

Analysis

max time kernel
27s
max time network
19s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20/04/2024, 14:31

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General

Target

DownloadManager.html
Size

1KB
MD5

ea50af6dbe4ea38c2b60abeb04266948
SHA1

200d9a077277b8a0018abce1690089550dfeb892
SHA256

aecf78441b2862cc1939963e30bbb56a9226a2c6fb50fac4ec70005189594915
SHA512

01d1f41311c38ac0e2735db08c3a51842f0a7d76a4495601fb25acd2ea30665b2058efd165c9398be3e1538bdc99503a37bfd375760833e49117ff0bc125dcf1

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{BAF920A1-FF22-11EE-8C27-FA5112F1BCBF} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1760	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1760	iexplore.exe
1760	iexplore.exe
2560	IEXPLORE.EXE
2560	IEXPLORE.EXE
2560	IEXPLORE.EXE
2560	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 2560	1760	iexplore.exe	28
PID 1760 wrote to memory of 2560	1760	iexplore.exe	28
PID 1760 wrote to memory of 2560	1760	iexplore.exe	28
PID 1760 wrote to memory of 2560	1760	iexplore.exe	28

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\DownloadManager.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1760 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2560

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
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

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

Filesize
344B

MD5
6f110985cfd78bc155984fee6897adbe

SHA1
afe2e737c2372958678d8d8ebcb3cb4b426cb306

SHA256
2954e781407a4c97c0d0b18e871bbf7a287b89325950fc11fa9c2da0ffbc6c97

SHA512
ba0f8efdb6dda5bbce8bec5760cc1a4fb4a6703e5466f5b982769bcc12ae43e9841c8f332476eb3408378cd24f7fd87a45ff135ad3d92436842b4e6925047b2a

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

Filesize
344B

MD5
ccfd214e6ebca1b8129982fe86eca0be

SHA1
5713e5b10b6c2b3617baf51354f1b472fe45b080

SHA256
152c9d32ec23e8e220fabc84472b0c8571c579f6667eac9f5fc38ca4744a5293

SHA512
839bb6bfabd252756b1d2a70a9ebd8c559c0c5dfc76f1e2bbeda99627f8e9029da5e3ac7731249fd8715656d9fc288674434729de4c76f60374230408e145d76

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

Filesize
344B

MD5
00083b375070c82202d0de43d75f9055

SHA1
e211f8c0bd9a9ff1a95d2e38b0f50ca362ce918c

SHA256
a81a2e7b7881eee6f809dc7fc2f6f08c12ed017cff8e4fde99e2b4554cbe0f54

SHA512
7f4eeb71dc1cc896dfe347d931621a01f96ebab20f69624a49c05d7522bb8669315f68e17582400afd7b0bf2de74f69dd9f18971c269e47c50dc4a9368b536c4

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

Filesize
344B

MD5
a8e1dfd08922c8a3bd8bd612ac69a25d

SHA1
ff834c1ae739925c7a94ca072b6f68ee7fe9d5cf

SHA256
bae8a273755f9ebb19a026eb88ccf1c29d38617483f52c032446d23783d62956

SHA512
c6a17bf82f5184c4994f31389ca6844fb49d1f0199e40e3b80348ab258136de5d1741bf7812e25e272118426dc857565336e1ac23b308046c36b2f0bddb2f95f

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

Filesize
344B

MD5
bd19a7075e9a62173d81dd53c6267c7d

SHA1
43579fa861e6be2d4e9e0267c312331f860068ec

SHA256
84f8ad4f3ce4da91bebad6db3293358fce4f062b149ce18a71e95ac0308c3c1b

SHA512
188521b73a0099e42e4947a372e83e68f7b120b435e472a43142ad2329165700e6917b43dc7d4e46b9ba89386e1a06c398cf21c34fa63fa129ddf85f9a6e1224

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

Filesize
344B

MD5
92da732673ad6fe65313c3c446a73ba1

SHA1
35b75c68eeb6e2f18cfb652dca930eb6e116ee04

SHA256
59749e9807c431d1d9a72a69005dded7abc64dcc164ba0bc9698018832d4fb99

SHA512
d38800b44004f54719454f82fec4057184aa20b073255a91717b280d1484373fc06dcc9b88844cf1083816028096d5121cc10de08297e9667f4108990d74b1b6

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

Filesize
344B

MD5
266726ee251810e93e15371c434d571b

SHA1
e6be7cd98b635abc2a3450e7afdfe0d5cd9d6c84

SHA256
0b6ba2c10f88e2cc8278bb129839db79bf459f9d4db74a8fed3ce130bca3cf2b

SHA512
badd32aee16062f9283426737de15c8c6bf289849304aef151a6713f3623f7e61b2da23f60fbbbc8f324054e2e79e1b5c3284667b2cc1f5b5f14c29a9524ddd2

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab984B.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar9A75.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit