9141eafb09e26304969e6eaa64bf82fb73a2defa158c811b2b2283cb0bfca6ce

General

Target

9141eafb09e26304969e6eaa64bf82fb73a2defa158c811b2b2283cb0bfca6ce.exe
Size

6.0MB
MD5

1cea8587d120f4c509a2131bcf39163f
SHA1

229da2a8d7e9c27add07534812b64c60482470d0
SHA256

9141eafb09e26304969e6eaa64bf82fb73a2defa158c811b2b2283cb0bfca6ce
SHA512

a6cb12f11ca09fe4993e0664d97e5b56b2b39cd096dbc1b3f3c7087623f568a22b46ecf5e5947832189d8618601a74a24fb934786f6299b117ec4ebba34f3cad
SSDEEP

98304:fbdhDqohDS1F+CRcB27OgUWZHw8VQjr+/bJBAUZLR:fbdhDD23a2sWKjr+TJVd

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
2060	9141eafb09e26304969e6eaa64bf82fb73a2defa158c811b2b2283cb0bfca6ce.exe

UPX packed file 27 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2060-0-0x0000000000290000-0x000000000029B000-memory.dmp	upx
behavioral1/memory/2060-49-0x0000000000290000-0x000000000029B000-memory.dmp	upx
behavioral1/memory/2060-48-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-47-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-46-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-45-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-40-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-38-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-36-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-34-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-32-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-30-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-28-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-26-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-24-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-21-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-19-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-17-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-15-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-13-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-11-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-9-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-7-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-5-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-3-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-2-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/2060-1-0x0000000010000000-0x000000001003E000-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

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	9141eafb09e26304969e6eaa64bf82fb73a2defa158c811b2b2283cb0bfca6ce.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 26 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{355BDD31-32F2-11EF-9CEF-E299A69EE862} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1492	iexplore.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
2060	9141eafb09e26304969e6eaa64bf82fb73a2defa158c811b2b2283cb0bfca6ce.exe
2060	9141eafb09e26304969e6eaa64bf82fb73a2defa158c811b2b2283cb0bfca6ce.exe
2060	9141eafb09e26304969e6eaa64bf82fb73a2defa158c811b2b2283cb0bfca6ce.exe
1492	iexplore.exe
1492	iexplore.exe
2020	IEXPLORE.EXE
2020	IEXPLORE.EXE
2020	IEXPLORE.EXE
2020	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 1492	2060	9141eafb09e26304969e6eaa64bf82fb73a2defa158c811b2b2283cb0bfca6ce.exe	31
PID 2060 wrote to memory of 1492	2060	9141eafb09e26304969e6eaa64bf82fb73a2defa158c811b2b2283cb0bfca6ce.exe	31
PID 2060 wrote to memory of 1492	2060	9141eafb09e26304969e6eaa64bf82fb73a2defa158c811b2b2283cb0bfca6ce.exe	31
PID 2060 wrote to memory of 1492	2060	9141eafb09e26304969e6eaa64bf82fb73a2defa158c811b2b2283cb0bfca6ce.exe	31
PID 1492 wrote to memory of 2020	1492	iexplore.exe	32
PID 1492 wrote to memory of 2020	1492	iexplore.exe	32
PID 1492 wrote to memory of 2020	1492	iexplore.exe	32
PID 1492 wrote to memory of 2020	1492	iexplore.exe	32

C:\Users\Admin\AppData\Local\Temp\9141eafb09e26304969e6eaa64bf82fb73a2defa158c811b2b2283cb0bfca6ce.exe
"C:\Users\Admin\AppData\Local\Temp\9141eafb09e26304969e6eaa64bf82fb73a2defa158c811b2b2283cb0bfca6ce.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2060
- 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:1492
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1492 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

System Information Discovery

1

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
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar485E.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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
16ef8177433976c14d23f839a8c1152a

SHA1
2b653ca841498be9292cbbc8b5119504e225f56d

SHA256
2a30dc50f2e6e73b059d7419b34924114bffcfa8d99f7703bfbdd4f9e5da8855

SHA512
9cccf0eb97b898988e5da63584e195528dd3a0f34d0608844a33c6ac5928d83c8159151a7a15d5382a10114b819cb72d8c5840d254d9ac1023ad6ac22ac4833e

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
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/2060-19-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-11-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-36-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-34-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-32-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-30-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-28-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-26-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-24-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-21-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-22-0x0000000000400000-0x0000000000A6D000-memory.dmp

Filesize
6.4MB

Download
memory/2060-0-0x0000000000290000-0x000000000029B000-memory.dmp

Filesize
44KB

Download
memory/2060-17-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-15-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-13-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-38-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-9-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-7-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-5-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-3-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-2-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-1-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-53-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2060-56-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2060-55-0x0000000002200000-0x0000000002201000-memory.dmp

Filesize
4KB

Download
memory/2060-40-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-45-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-46-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-47-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-48-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2060-49-0x0000000000290000-0x000000000029B000-memory.dmp

Filesize
44KB

Download
memory/2060-50-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads