78fe950dfdf9c089aaf3d01347c4f10e730f54f80c3856a5973da96c503dc61d

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 01:23

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General

Target

09f9dffafa1f54709ed02e0b0f839838.exe
Size

223KB
MD5

09f9dffafa1f54709ed02e0b0f839838
SHA1

c45d987c577cee6b0fcd69798ddef6e46eb404bf
SHA256

78fe950dfdf9c089aaf3d01347c4f10e730f54f80c3856a5973da96c503dc61d
SHA512

980c99c723dc38070433df3e77e8f913d48b476f664b418d237f019d8a13e784a2ba1d3ec714720604448829b7121ba102870837ae116f29a17e6a635ac48e54
SSDEEP

6144:DsO+lvcj4zBnOnfhQNa0PdbUlyY42vaRER:oO+lsSBnOnp8lbmi2ig

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1808-3-0x0000000010000000-0x000000001005D000-memory.dmp	upx
behavioral2/memory/1808-5-0x0000000010000000-0x000000001005D000-memory.dmp	upx
behavioral2/memory/1808-6-0x0000000010000000-0x000000001005D000-memory.dmp	upx
behavioral2/memory/1808-7-0x0000000010000000-0x000000001005D000-memory.dmp	upx
behavioral2/memory/1808-15-0x0000000010000000-0x000000001005D000-memory.dmp	upx

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\winxp2\run.bat	09f9dffafa1f54709ed02e0b0f839838.exe
File opened for modification	C:\Windows\SysWOW64\winxp2\	09f9dffafa1f54709ed02e0b0f839838.exe
File created	C:\Windows\SysWOW64\winxp2\winxpsys.dll	09f9dffafa1f54709ed02e0b0f839838.exe
File opened for modification	C:\Windows\SysWOW64\winxp2\winxpsys.dll	09f9dffafa1f54709ed02e0b0f839838.exe
File created	C:\Windows\SysWOW64\winxp2\run.bat	09f9dffafa1f54709ed02e0b0f839838.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3404 set thread context of 1808	3404	09f9dffafa1f54709ed02e0b0f839838.exe	88
PID 1808 set thread context of 764	1808	09f9dffafa1f54709ed02e0b0f839838.exe	93

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31079203"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31079203"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2459799829"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2459954846"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "410707637"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{BDA292B8-A716-11EE-8184-72AE6231743A} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31079203"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31079203"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2459799829"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2459954846"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
764	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
3404	09f9dffafa1f54709ed02e0b0f839838.exe
764	iexplore.exe
764	iexplore.exe
388	IEXPLORE.EXE
388	IEXPLORE.EXE
388	IEXPLORE.EXE
388	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3404 wrote to memory of 1808	3404	09f9dffafa1f54709ed02e0b0f839838.exe	88
PID 3404 wrote to memory of 1808	3404	09f9dffafa1f54709ed02e0b0f839838.exe	88
PID 3404 wrote to memory of 1808	3404	09f9dffafa1f54709ed02e0b0f839838.exe	88
PID 3404 wrote to memory of 1808	3404	09f9dffafa1f54709ed02e0b0f839838.exe	88
PID 3404 wrote to memory of 1808	3404	09f9dffafa1f54709ed02e0b0f839838.exe	88
PID 3404 wrote to memory of 1808	3404	09f9dffafa1f54709ed02e0b0f839838.exe	88
PID 3404 wrote to memory of 1808	3404	09f9dffafa1f54709ed02e0b0f839838.exe	88
PID 3404 wrote to memory of 1808	3404	09f9dffafa1f54709ed02e0b0f839838.exe	88
PID 1808 wrote to memory of 764	1808	09f9dffafa1f54709ed02e0b0f839838.exe	93
PID 1808 wrote to memory of 764	1808	09f9dffafa1f54709ed02e0b0f839838.exe	93
PID 1808 wrote to memory of 764	1808	09f9dffafa1f54709ed02e0b0f839838.exe	93
PID 764 wrote to memory of 388	764	iexplore.exe	90
PID 764 wrote to memory of 388	764	iexplore.exe	90
PID 764 wrote to memory of 388	764	iexplore.exe	90

C:\Users\Admin\AppData\Local\Temp\09f9dffafa1f54709ed02e0b0f839838.exe
"C:\Users\Admin\AppData\Local\Temp\09f9dffafa1f54709ed02e0b0f839838.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3404
- C:\Users\Admin\AppData\Local\Temp\09f9dffafa1f54709ed02e0b0f839838.exe
  "C:\Users\Admin\AppData\Local\Temp\09f9dffafa1f54709ed02e0b0f839838.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1808
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:764

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:764 CREDAT:17410 /prefetch:2
1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:388

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\Local\Microsoft\Internet Explorer\VersionManager\verC302.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9ALL181V\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/764-14-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1808-3-0x0000000010000000-0x000000001005D000-memory.dmp

Filesize
372KB

Download
memory/1808-5-0x0000000010000000-0x000000001005D000-memory.dmp

Filesize
372KB

Download
memory/1808-6-0x0000000010000000-0x000000001005D000-memory.dmp

Filesize
372KB

Download
memory/1808-7-0x0000000010000000-0x000000001005D000-memory.dmp

Filesize
372KB

Download
memory/1808-15-0x0000000010000000-0x000000001005D000-memory.dmp

Filesize
372KB

Download