d9573eb7fec0c983cf0459e6ac5e99022f422402e69796eb4205c39deec9a391

Analysis

max time kernel
149s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 03:55

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General

Target

d9573eb7fec0c983cf0459e6ac5e99022f422402e69796eb4205c39deec9a391.exe
Size

112KB
MD5

45b81fef1d4351b898d1445709ff54f4
SHA1

6af505e1b58d3e44706bf35fa0bbd2ebd92b0eda
SHA256

d9573eb7fec0c983cf0459e6ac5e99022f422402e69796eb4205c39deec9a391
SHA512

3cd2a8514527c0b2e9ffe07e93ec89d529758318a71e47e305f231b6f1449e73b6cac660256fcdb28465ed7e84fce2951f264075d2676c71313f5130cceef406
SSDEEP

1536:jpDAHKIocZsR0wFiLtT42QzQ1xuIvsuBosg8v:W4yGp5Q1cIvsug8v

Score

6^/10

adware stealer

Malware Config

Signatures

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 deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	d9573eb7fec0c983cf0459e6ac5e99022f422402e69796eb4205c39deec9a391.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\he1p	d9573eb7fec0c983cf0459e6ac5e99022f422402e69796eb4205c39deec9a391.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1168	1476	WerFault.exe	78
2584	1476	WerFault.exe	78

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{2670000A-7350-4F3C-8081-5663EE0C6C49}	d9573eb7fec0c983cf0459e6ac5e99022f422402e69796eb4205c39deec9a391.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{789FE86F-6FC4-46A1-9849-EDE0DB0C95CA}	d9573eb7fec0c983cf0459e6ac5e99022f422402e69796eb4205c39deec9a391.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Microsoft.IE	d9573eb7fec0c983cf0459e6ac5e99022f422402e69796eb4205c39deec9a391.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Microsoft.IE\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\129125.exe"	d9573eb7fec0c983cf0459e6ac5e99022f422402e69796eb4205c39deec9a391.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1476	d9573eb7fec0c983cf0459e6ac5e99022f422402e69796eb4205c39deec9a391.exe
1476	d9573eb7fec0c983cf0459e6ac5e99022f422402e69796eb4205c39deec9a391.exe
1476	d9573eb7fec0c983cf0459e6ac5e99022f422402e69796eb4205c39deec9a391.exe
1476	d9573eb7fec0c983cf0459e6ac5e99022f422402e69796eb4205c39deec9a391.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1476	d9573eb7fec0c983cf0459e6ac5e99022f422402e69796eb4205c39deec9a391.exe
1476	d9573eb7fec0c983cf0459e6ac5e99022f422402e69796eb4205c39deec9a391.exe
1476	d9573eb7fec0c983cf0459e6ac5e99022f422402e69796eb4205c39deec9a391.exe
1476	d9573eb7fec0c983cf0459e6ac5e99022f422402e69796eb4205c39deec9a391.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 2492	1476	d9573eb7fec0c983cf0459e6ac5e99022f422402e69796eb4205c39deec9a391.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2492
- C:\Users\Admin\AppData\Local\Temp\d9573eb7fec0c983cf0459e6ac5e99022f422402e69796eb4205c39deec9a391.exe
  "C:\Users\Admin\AppData\Local\Temp\d9573eb7fec0c983cf0459e6ac5e99022f422402e69796eb4205c39deec9a391.exe"
  2⤵
  - Installs/modifies Browser Helper Object
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1476
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 836
    3⤵
    - Program crash
    PID:1168
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 860
    3⤵
    - Program crash
    PID:2584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 1476 -ip 1476
1⤵
PID:3112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1476 -ip 1476
1⤵
PID:4064

Network

MITRE ATT&CK Enterprise v6

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

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Downloads

memory/1476-132-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

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