09be3758c034aee089b97e0116acdb529ec745b253fafe0ff99b08291bb739f6

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26-05-2024 10:18

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General

Target

09be3758c034aee089b97e0116acdb529ec745b253fafe0ff99b08291bb739f6.exe
Size

6.0MB
MD5

de1a28f43d8670e547d07ae17e8ad2bd
SHA1

58d4ea98ec60e111ab71c4acb2df4bdb6bb8a79a
SHA256

09be3758c034aee089b97e0116acdb529ec745b253fafe0ff99b08291bb739f6
SHA512

156698fc282aab08a0e35f51b8d72dd601008d319b255a7eee96781eb60fb3c4c5b3f763f1b402f7aa4322cbcc0cadbac05e190a580710a2c116c771ebc85c52
SSDEEP

98304:fbdhDqohDS1F+CRcB27OgUWZHw8VQjr+/bJBAUZLC:fbdhDD23a2sWKjr+TJV2

Score

7^/10

bootkit persistence upx

Malware Config

Signatures

Loads dropped DLL 1 IoCs

Processes:

09be3758c034aee089b97e0116acdb529ec745b253fafe0ff99b08291bb739f6.exe

pid process

2124 09be3758c034aee089b97e0116acdb529ec745b253fafe0ff99b08291bb739f6.exe

UPX packed file 27 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/2124-1-0x00000000003F0000-0x00000000003FB000-memory.dmp	upx
behavioral1/memory/2124-3-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-2-0x00000000003F0000-0x00000000003FB000-memory.dmp	upx
behavioral1/memory/2124-4-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-6-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-5-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-14-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-18-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-25-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-35-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-8-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-16-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-33-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-48-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-45-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-43-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-41-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-39-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-37-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-31-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-29-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-27-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-22-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-20-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-12-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-10-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2124-58-0x0000000010000000-0x000000001003E000-memory.dmp	upx

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1542.003

Processes:

09be3758c034aee089b97e0116acdb529ec745b253fafe0ff99b08291bb739f6.exe

description ioc process

File opened for modification \??\PhysicalDrive0 09be3758c034aee089b97e0116acdb529ec745b253fafe0ff99b08291bb739f6.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File opened for modification	\??\PhysicalDrive0	09be3758c034aee089b97e0116acdb529ec745b253fafe0ff99b08291bb739f6.exe

Modifies Internet Explorer settings 1 TTPs 24 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{8F4AC011-1B49-11EF-A5A1-E299A69EE862} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

576 iexplore.exe

pid	process
576	iexplore.exe

Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

09be3758c034aee089b97e0116acdb529ec745b253fafe0ff99b08291bb739f6.exeiexplore.exeIEXPLORE.EXE

pid	process
2124	09be3758c034aee089b97e0116acdb529ec745b253fafe0ff99b08291bb739f6.exe
2124	09be3758c034aee089b97e0116acdb529ec745b253fafe0ff99b08291bb739f6.exe
2124	09be3758c034aee089b97e0116acdb529ec745b253fafe0ff99b08291bb739f6.exe
576	iexplore.exe
576	iexplore.exe
1128	IEXPLORE.EXE
1128	IEXPLORE.EXE
1128	IEXPLORE.EXE
1128	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

09be3758c034aee089b97e0116acdb529ec745b253fafe0ff99b08291bb739f6.exeiexplore.exe

description	pid	process	target process
PID 2124 wrote to memory of 576	2124	09be3758c034aee089b97e0116acdb529ec745b253fafe0ff99b08291bb739f6.exe	iexplore.exe
PID 2124 wrote to memory of 576	2124	09be3758c034aee089b97e0116acdb529ec745b253fafe0ff99b08291bb739f6.exe	iexplore.exe
PID 2124 wrote to memory of 576	2124	09be3758c034aee089b97e0116acdb529ec745b253fafe0ff99b08291bb739f6.exe	iexplore.exe
PID 2124 wrote to memory of 576	2124	09be3758c034aee089b97e0116acdb529ec745b253fafe0ff99b08291bb739f6.exe	iexplore.exe
PID 576 wrote to memory of 1128	576	iexplore.exe	IEXPLORE.EXE
PID 576 wrote to memory of 1128	576	iexplore.exe	IEXPLORE.EXE
PID 576 wrote to memory of 1128	576	iexplore.exe	IEXPLORE.EXE
PID 576 wrote to memory of 1128	576	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\09be3758c034aee089b97e0116acdb529ec745b253fafe0ff99b08291bb739f6.exe
"C:\Users\Admin\AppData\Local\Temp\09be3758c034aee089b97e0116acdb529ec745b253fafe0ff99b08291bb739f6.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2124

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://changkongbao.lanzouq.com/ikW9T1cfeg5e
2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:576

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:576 CREDAT:275457 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1128

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Information Discovery

T1082

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
fe6e8d948e5a0d0710eb62377ac68c5c

SHA1
7c9a8400fd0b35b33b6a8edff21098921f052545

SHA256
992232461f46d1de402f5fc1b021717303188c883e27bb32441789b5235fcffe

SHA512
fb4366a5da87ed53fb1c7d0f55589e428b36b5fbb867a30edf644863c6a8378c766824e2747edcb0060d82ec35444571521675cd33826992c8dee7c9548e26da

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab586E.tmp
Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar59BE.tmp
Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
C:\Users\Admin\AppData\Local\Temp\·½°¸.ini
Filesize
10KB

MD5
842d9e10867153ad73a1a80d79afef13

SHA1
33a49d893273182e8aba6e9531c3077d4ab86516

SHA256
2823197bddf0203ea011003a4e70f2687da234a3388b5090a76da2c2562d33e4

SHA512
e6e10f63c7d3e65358bd6e66a7328f7d06d096b2ed936cd4504cfb8c6b5f4081dd55884bb915191156965b0eb9b3fda6a97b5b1a1eee45d59a41a4e375d1e518

Download Submit
C:\Users\Admin\AppData\Local\Temp\·½°¸.ini
Filesize
8KB

MD5
5d009e3acced727e465875436f8c9560

SHA1
979b4e50a5e67b26807ed8517a62bb6e748ccb49

SHA256
21915ce3d43c7581dc14bc33388fd45150c02f18f3ae9c150c19943fd2b0613b

SHA512
b15cbcf14972477936239d6f528cf8caa5bb5b367231b73292670aaa8f159cd92396b2d71c41e72dc137f4f3235562415a7759c061a24ba2e9edd1511d9c83af

Download Submit
C:\Users\Admin\AppData\Local\Temp\¿ì½Ý·¢ÑÔ·½°¸.txt
Filesize
189B

MD5
322f59ce015ff2f1f00ecbe4fdfce380

SHA1
eb4756a5bb023f6d1feacdbeac6e94013e15d5b0

SHA256
c96ef901d8f23cb7626ef980c4cf5bece7aafeef9b2b8b28829d3a11a51562c1

SHA512
2610ce1c0a55da67faa9ddaca26529a87bf5ebc6706621682d54024fa887ca9cd54cdc5b854f8b79ea99b02a5277d6931f633fa876107d9ec1bf503bee23a02c

Download Submit
C:\Users\Admin\AppData\Local\Temp\ÉèÖÃ.ini
Filesize
246B

MD5
b06ddcfdb64cc28ca0a0ef609de5f05f

SHA1
bd95d141935795e249d2ab00824839fd42c8f505

SHA256
da0a5d79dc6a120811b556885b704f9fd158b1f19dd5a9c595719feb56065f00

SHA512
a1dd3cc527ce6a6c4b0ea2c369d4370f6f1bf332c9255e1a8eebfd5986c133dacc2e6c6a55071e5bcf4724f37ff2920f2e17567ca32571e664b458e526be72b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\ÉèÖÃ.ini
Filesize
260B

MD5
924bf7a4ce305dad87743ba3c5773aa9

SHA1
12d0fddb472394b23e5176ab4ede38974e723b81

SHA256
01faf5e88442653bf38adc145d517f44d3495398e0aa666c7486b7030c126cbd

SHA512
2380c957717d3bc97ae2de96aba9cd3b50a1774eb96dc47840add1b12ee13485ee6cc6c4d30953b8f42d32ae3b02657966229fcbe58a60843df0cbd6170eb44e

Download Submit
\Users\Admin\AppData\Local\Temp\ExuiKrnln_Win32_20230421.lib
Filesize
1.5MB

MD5
ef48d7cc52338513cc0ce843c5e3916b

SHA1
20965d86b7b358edf8b5d819302fa7e0e6159c18

SHA256
835bfef980ad0cedf10d8ade0cf5671d9f56062f2b22d0a0547b07772ceb25a8

SHA512
fd4602bd487eaad5febb5b3e9d8fe75f4190d1e44e538e7ae2d2129087f35b72b254c85d7335a81854aa2bdb4f0f2fa22e02a892ee23ac57b78cdd03a79259b9

Download Submit
memory/2124-49-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

Filesize
4KB

Download
memory/2124-20-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-16-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-33-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-48-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-45-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-43-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-41-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-39-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-37-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-0-0x0000000000400000-0x0000000000A6D000-memory.dmp

Filesize
6.4MB

Download
memory/2124-31-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-29-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-27-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-22-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-8-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-12-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-10-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-52-0x0000000000B50000-0x0000000000B51000-memory.dmp

Filesize
4KB

Download
memory/2124-55-0x0000000000B60000-0x0000000000B61000-memory.dmp

Filesize
4KB

Download
memory/2124-54-0x0000000000BB0000-0x0000000000BB1000-memory.dmp

Filesize
4KB

Download
memory/2124-58-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-35-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-25-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-18-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-14-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-5-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-6-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-4-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-2-0x00000000003F0000-0x00000000003FB000-memory.dmp

Filesize
44KB

Download
memory/2124-3-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2124-1-0x00000000003F0000-0x00000000003FB000-memory.dmp

Filesize
44KB

Download