15c70b04d686fdaf34d2f2df5ac76986df288bf505dd8f413484cbd8699acacc

Analysis

max time kernel
152s
max time network
144s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
20/10/2022, 05:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

15c70b04d686fdaf34d2f2df5ac76986df288bf505dd8f413484cbd8699acacc.exe
Size

43KB
MD5

81935c148dd22cdc3c4a43b07dd1f630
SHA1

794e7127574d9f4fa8d2743af9cf39d6dadcbffa
SHA256

15c70b04d686fdaf34d2f2df5ac76986df288bf505dd8f413484cbd8699acacc
SHA512

3942363bfc6df04edc88bd899e9d1eeb243b16415c6c0aa4f9f0f633bb49e81c435f7a53097eb56a418f9e3fad00acdf13e10b25ec4c23d998ad29a95cc1cdcc
SSDEEP

768:xprJMnye6TIYCm/YVB+PtYUU4V9pTJaPF076Gc3dxFWuIdXmXHm:DrJMye6LCTB+PtYUU4VPP7ktrKXmXHm

Score

8^/10

bootkit persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
844	svchosts.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000500000000b2d2-57.dat	upx
behavioral1/memory/844-65-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral1/memory/1128-62-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral1/memory/1128-68-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral1/memory/844-71-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral1/memory/1128-72-0x0000000000400000-0x000000000041E000-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

T1067

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	15c70b04d686fdaf34d2f2df5ac76986df288bf505dd8f413484cbd8699acacc.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\windows\svchosts.exe	15c70b04d686fdaf34d2f2df5ac76986df288bf505dd8f413484cbd8699acacc.exe
File opened for modification	C:\windows\svchosts.exe	15c70b04d686fdaf34d2f2df5ac76986df288bf505dd8f413484cbd8699acacc.exe

Modifies Internet Explorer settings 1 TTPs 34 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373037114"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{38BCA241-507A-11ED-B2F2-7E6ADD856DC1} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000048ca5449a4d21846ba8a995ea0abd35a00000000020000000000106600000001000020000000261129326aaf0b832911c6da022b2f811f34679bfdf2fb02c661030001e33893000000000e800000000200002000000086c2a6879cb094ef1501e0d85c8ae33ed0476abe7e157f64b092769f2ca5f66d200000004f169aacea557fe2f9b2b1ca6eda8d00ff46619bca4189c2856fcdb068da53db40000000c73c8c502c72406e5a4af16fd6a869abd37a3ec1f16acf42f35c558a69bb817aec43823c169c0444beffc2b0b84e7bbaca9174159746d0d4ccedd897500afd43	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e023351287e4d801	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1128	15c70b04d686fdaf34d2f2df5ac76986df288bf505dd8f413484cbd8699acacc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2032	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1128	15c70b04d686fdaf34d2f2df5ac76986df288bf505dd8f413484cbd8699acacc.exe
844	svchosts.exe
2032	iexplore.exe
2032	iexplore.exe
1896	IEXPLORE.EXE
1896	IEXPLORE.EXE
1896	IEXPLORE.EXE
1896	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1128 wrote to memory of 844	1128	15c70b04d686fdaf34d2f2df5ac76986df288bf505dd8f413484cbd8699acacc.exe	27
PID 1128 wrote to memory of 844	1128	15c70b04d686fdaf34d2f2df5ac76986df288bf505dd8f413484cbd8699acacc.exe	27
PID 1128 wrote to memory of 844	1128	15c70b04d686fdaf34d2f2df5ac76986df288bf505dd8f413484cbd8699acacc.exe	27
PID 1128 wrote to memory of 844	1128	15c70b04d686fdaf34d2f2df5ac76986df288bf505dd8f413484cbd8699acacc.exe	27
PID 1128 wrote to memory of 2032	1128	15c70b04d686fdaf34d2f2df5ac76986df288bf505dd8f413484cbd8699acacc.exe	28
PID 1128 wrote to memory of 2032	1128	15c70b04d686fdaf34d2f2df5ac76986df288bf505dd8f413484cbd8699acacc.exe	28
PID 1128 wrote to memory of 2032	1128	15c70b04d686fdaf34d2f2df5ac76986df288bf505dd8f413484cbd8699acacc.exe	28
PID 1128 wrote to memory of 2032	1128	15c70b04d686fdaf34d2f2df5ac76986df288bf505dd8f413484cbd8699acacc.exe	28
PID 2032 wrote to memory of 1896	2032	iexplore.exe	30
PID 2032 wrote to memory of 1896	2032	iexplore.exe	30
PID 2032 wrote to memory of 1896	2032	iexplore.exe	30
PID 2032 wrote to memory of 1896	2032	iexplore.exe	30

C:\Users\Admin\AppData\Local\Temp\15c70b04d686fdaf34d2f2df5ac76986df288bf505dd8f413484cbd8699acacc.exe
"C:\Users\Admin\AppData\Local\Temp\15c70b04d686fdaf34d2f2df5ac76986df288bf505dd8f413484cbd8699acacc.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1128
- C:\windows\svchosts.exe
  C:\windows\svchosts.exe auto
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:844
- C:\progra~1\Intern~1\iexplore.exe
  C:\\progra~1\\Intern~1\\iexplore.exe http://jianqiangzhe1.com/AddSetup.asp?id=137&localID=QM00013&isqq=3
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2032
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2032 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1896

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\X64XWU4M.txt

Filesize
603B

MD5
d162f39c6354ccd9caf1498377918c0d

SHA1
2c65b3e7bca29c267224c9f8ac96a7559f911460

SHA256
35653f39db3730982e7645c72430f23f4e7be6f93977d53d4e1849af0b78d156

SHA512
922cee959ea6ce4fd3ed2cfbcf68f636bb22a7eacbde1a58785a54b22a13018c7be594305a04348e2754317c035f631ea69106dc0483ae2136cea384a01f1c95

Download Submit
C:\Windows\svchosts.exe

Filesize
43KB

MD5
81935c148dd22cdc3c4a43b07dd1f630

SHA1
794e7127574d9f4fa8d2743af9cf39d6dadcbffa

SHA256
15c70b04d686fdaf34d2f2df5ac76986df288bf505dd8f413484cbd8699acacc

SHA512
3942363bfc6df04edc88bd899e9d1eeb243b16415c6c0aa4f9f0f633bb49e81c435f7a53097eb56a418f9e3fad00acdf13e10b25ec4c23d998ad29a95cc1cdcc

Download Submit
memory/844-65-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/844-71-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1128-68-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1128-63-0x0000000000260000-0x000000000027E000-memory.dmp

Filesize
120KB

Download
memory/1128-62-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1128-67-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

Filesize
8KB

Download
memory/1128-70-0x0000000000260000-0x000000000027E000-memory.dmp

Filesize
120KB

Download
memory/1128-69-0x0000000000260000-0x000000000027E000-memory.dmp

Filesize
120KB

Download
memory/1128-64-0x0000000000260000-0x000000000027E000-memory.dmp

Filesize
120KB

Download
memory/1128-72-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2032-66-0x00000000020E0000-0x00000000020F0000-memory.dmp

Filesize
64KB

Download
memory/2032-61-0x000007FEFB9E1000-0x000007FEFB9E3000-memory.dmp

Filesize
8KB

Download