2ecdbb56a418b73b0af9eda5f3a86dc1df7c7805c5e22ea10cccb7d8305b1434

General

Target

192f8d5a81558ddc52bda848ea00ab59.dll
Size

155KB
MD5

192f8d5a81558ddc52bda848ea00ab59
SHA1

a2c52bb61bf047c07aca2d54028a248ea2f54896
SHA256

2ecdbb56a418b73b0af9eda5f3a86dc1df7c7805c5e22ea10cccb7d8305b1434
SHA512

36674fe3b738949901cd1a1801aba2b4ef1e480996059c405ccb1bef02c2b1a96c1e4e4c8b9498c37cd95488cba5af792e4dcd310f1805f4defde5169245de26
SSDEEP

3072:l4ra+x/UjB1fZ1w5NaE/qvkuQKRgA8gwA4k5eh7NcntOovWFZWMn:WrPcPw51qzQ9MGkG44a8sMn

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2224-0-0x0000000010000000-0x0000000010060000-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\{BF16EA73-9CEA-4C3E-B9D4-F4250B94446C}	regsvr32.exe

Modifies registry class 23 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PsapiAnalyzer.PsapiAnalyzer\CLSID\ = "{BF16EA73-9CEA-4C3E-B9D4-F4250B94446C}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PsapiAnalyzer.PsapiAnalyzer\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF16EA73-9CEA-4C3E-B9D4-F4250B94446C}\VersionIndependentProgID\ = "PsapiAnalyzer.PsapiAnalyzer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF16EA73-9CEA-4C3E-B9D4-F4250B94446C}\TypeLib\ = "{FD344746-28E1-4495-9F6B-EF629FF475AF}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF16EA73-9CEA-4C3E-B9D4-F4250B94446C}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PsapiAnalyzer.PsapiAnalyzer.1\ = "PsapiAnalyzer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PsapiAnalyzer.PsapiAnalyzer.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PsapiAnalyzer.PsapiAnalyzer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PsapiAnalyzer.PsapiAnalyzer\ = "PsapiAnalyzer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF16EA73-9CEA-4C3E-B9D4-F4250B94446C}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF16EA73-9CEA-4C3E-B9D4-F4250B94446C}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF16EA73-9CEA-4C3E-B9D4-F4250B94446C}\AppID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PsapiAnalyzer.PsapiAnalyzer.1\CLSID\ = "{BF16EA73-9CEA-4C3E-B9D4-F4250B94446C}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PsapiAnalyzer.PsapiAnalyzer\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF16EA73-9CEA-4C3E-B9D4-F4250B94446C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF16EA73-9CEA-4C3E-B9D4-F4250B94446C}\ = "PsapiAnalyzer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF16EA73-9CEA-4C3E-B9D4-F4250B94446C}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF16EA73-9CEA-4C3E-B9D4-F4250B94446C}\ProgID\ = "PsapiAnalyzer.PsapiAnalyzer.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF16EA73-9CEA-4C3E-B9D4-F4250B94446C}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PsapiAnalyzer.PsapiAnalyzer.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PsapiAnalyzer.PsapiAnalyzer\CurVer\ = "PsapiAnalyzer.PsapiAnalyzer.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF16EA73-9CEA-4C3E-B9D4-F4250B94446C}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF16EA73-9CEA-4C3E-B9D4-F4250B94446C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\192f8d5a81558ddc52bda848ea00ab59.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 2224	1868	regsvr32.exe	28
PID 1868 wrote to memory of 2224	1868	regsvr32.exe	28
PID 1868 wrote to memory of 2224	1868	regsvr32.exe	28
PID 1868 wrote to memory of 2224	1868	regsvr32.exe	28
PID 1868 wrote to memory of 2224	1868	regsvr32.exe	28
PID 1868 wrote to memory of 2224	1868	regsvr32.exe	28
PID 1868 wrote to memory of 2224	1868	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\192f8d5a81558ddc52bda848ea00ab59.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\192f8d5a81558ddc52bda848ea00ab59.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2224-0-0x0000000010000000-0x0000000010060000-memory.dmp

Filesize
384KB

Download

Analysis

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