395684a2968fb770c58e0a40592ba4cbfa612e2de127dd2ca09c0a1fd0013112

Analysis

max time kernel
146s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 08:36

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General

Target

cobranca2avia.exe
Size

164KB
MD5

1e4ba71f5777eb7b795d87662e254229
SHA1

78b02858242e42bc6296a2e14d2b71ebb151fbf1
SHA256

b062652846f437d6f1f6e76111ab585d0ce86f505044f8bb1b56ccc3f7eddf98
SHA512

6656a02285394ca104868e5ff43d7372279c7bc7a60a1cbe235169865cc0cef636730ad2b94bc95e2aac2b3be2469aacac363bfdda9969c530d12e2e310033d6
SSDEEP

3072:wunq34X99GHLAHSr63EhwNJ1hglL0i2L35BmpJMFfx0VT5cJR9ruoWxbE:wunqksrAHr3oQHi2qoFfx0VT5cJR9ioW

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

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

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

Processes:

cobranca2avia.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	cobranca2avia.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	cobranca2avia.exe

Drops file in Windows directory 1 IoCs

Processes:

cobranca2avia.exe

description ioc process

File opened for modification C:\Windows\bhpk4375.dll cobranca2avia.exe
Modifies registry class 2 IoCs

Processes:

cobranca2avia.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PerkyNews.clsPerkyNews\Clsid cobranca2avia.exe
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PerkyNews.clsPerkyNews cobranca2avia.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

cobranca2avia.exe

pid process

4372 cobranca2avia.exe

description	ioc	process
File opened for modification	C:\Windows\bhpk4375.dll	cobranca2avia.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PerkyNews.clsPerkyNews\Clsid	cobranca2avia.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PerkyNews.clsPerkyNews	cobranca2avia.exe

pid	process
4372	cobranca2avia.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

cobranca2avia.execmd.exe

description	pid	process	target process
PID 4372 wrote to memory of 1424	4372	cobranca2avia.exe	cmd.exe
PID 4372 wrote to memory of 1424	4372	cobranca2avia.exe	cmd.exe
PID 4372 wrote to memory of 1424	4372	cobranca2avia.exe	cmd.exe
PID 1424 wrote to memory of 5076	1424	cmd.exe	reg.exe
PID 1424 wrote to memory of 5076	1424	cmd.exe	reg.exe
PID 1424 wrote to memory of 5076	1424	cmd.exe	reg.exe
PID 4372 wrote to memory of 1316	4372	cobranca2avia.exe	regsvr32.exe
PID 4372 wrote to memory of 1316	4372	cobranca2avia.exe	regsvr32.exe
PID 4372 wrote to memory of 1316	4372	cobranca2avia.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\cobranca2avia.exe
"C:\Users\Admin\AppData\Local\Temp\cobranca2avia.exe"
1⤵
- Installs/modifies Browser Helper Object
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4372

C:\Windows\SysWOW64\cmd.exe
C:\Windows\System32\cmd.exe /k %windir%\System32\reg.exe ADDHKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System/v EnableLUA /t REG_DWORD /d 0 /f
2⤵
- Suspicious use of WriteProcessMemory
PID:1424

C:\Windows\SysWOW64\reg.exe
C:\Windows\System32\reg.exe ADDHKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System/v EnableLUA /t REG_DWORD /d 0 /f
3⤵
PID:5076

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s C:\Windows\bhpk4375.dll
2⤵
PID:1316

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads