a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/05/2024, 02:35

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General

Target

a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe
Size

109KB
MD5

cd46dcff3ac03fd8f55ec90fcfe35bb5
SHA1

0720befbacd39abc9e7258fc300c18756a22ddb0
SHA256

a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3
SHA512

aeaa6710fd9505f4b88a50a1ae0caa05a6eb9e535a03caffd2feab3422d56d0a3b77bcb43687c9d458f9145e8c10b9aa8ab07da7a829ffeb5cacf51aa672115d
SSDEEP

3072:Uk4/L3EPTOdNHM9g54vnM8FD1Lsm1Mn75kT:OEPKdNsDvnDUmT

Score

9^/10

adware stealer upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 7 IoCs

resource	yara_rule
behavioral1/memory/2256-0-0x0000000000400000-0x0000000000424000-memory.dmp	UPX
behavioral1/memory/2256-1-0x0000000000400000-0x0000000000424000-memory.dmp	UPX
behavioral1/memory/2256-2-0x0000000000400000-0x0000000000424000-memory.dmp	UPX
behavioral1/files/0x000f00000000f680-6.dat	UPX
behavioral1/memory/2256-8-0x0000000000220000-0x000000000025C000-memory.dmp	UPX
behavioral1/memory/2256-9-0x0000000000400000-0x0000000000424000-memory.dmp	UPX
behavioral1/memory/2256-10-0x0000000000220000-0x000000000025C000-memory.dmp	UPX

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000f00000000f680-6.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2256	a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2256-0-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral1/memory/2256-1-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral1/memory/2256-2-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral1/files/0x000f00000000f680-6.dat	upx
behavioral1/memory/2256-8-0x0000000000220000-0x000000000025C000-memory.dmp	upx
behavioral1/memory/2256-9-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral1/memory/2256-10-0x0000000000220000-0x000000000025C000-memory.dmp	upx

Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{A9896E34-A1C6-4640-A6D8-2ED4C6F40693}	a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A9896E34-A1C6-4640-A6D8-2ED4C6F40693}\InprocServer32	a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A9896E34-A1C6-4640-A6D8-2ED4C6F40693}	a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A9896E34-A1C6-4640-A6D8-2ED4C6F40693}\InprocServer32\ = "C:\\Windows\\SysWow64\\audiode.dll"	a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A9896E34-A1C6-4640-A6D8-2ED4C6F40693}\InprocServer32\ThreadingModel = "apartment"	a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2256	a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe

C:\Users\Admin\AppData\Local\Temp\a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe
"C:\Users\Admin\AppData\Local\Temp\a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe"
1⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:2256

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

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

\Windows\SysWOW64\audiode.dll

Filesize
86KB

MD5
b95c02005b1f87e3939ce538d9b3903d

SHA1
12857a88cc2caf6e387e686d9e6cd73d1d3865cd

SHA256
3ca90dd82678eb01d38cee4397b395709ecea7b02c8e1af358a8d42161f67c3b

SHA512
731503a1081afa475f1524e45a17309fe92898a7f594cb0be8f0f575bd60b203c41d3f498345591bec67fa7c4795eb8e9b100128e2127495285d8994af708658

Download Submit
memory/2256-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2256-1-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2256-2-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2256-8-0x0000000000220000-0x000000000025C000-memory.dmp

Filesize
240KB

Download
memory/2256-9-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2256-10-0x0000000000220000-0x000000000025C000-memory.dmp

Filesize
240KB

Download