f8be942223ffd10d00ba0ec37d25a5358ebde52b6bfbd1e3e4c45815ddb50672

Analysis

max time kernel
90s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
21/10/2022, 04:31

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General

Target
f8be942223ffd10d00ba0ec37d25a5358ebde52b6bfbd1e3e4c45815ddb50672.exe
Size 96KB
Sample221021-e5wtzscbc5
SHA256 f8be942223ffd10d00ba0ec37d25a5358ebde52b6bfbd1e3e4c45815ddb50672
MD5 7b41ace691a33cbe63974c39c664b2d0
SHA1 72f73da75411ec58eeeea75cf31c28d417e1cf19
SHA512 9db8a1bce40e04af54c5e01472af0954fe68d26680d1bda6272e28e7a115d011b8fbfd10c7c6c971de04c4e2476711c1edc03f36688231a124bb33c112451be2
SSDEEP 768:3k2Y3QTBqgB3l//uZ3CFk2Y6EfL8r0eGEjvb:0N3Q8gB3lZ+N6EfL8hGg
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1204	avpcq.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	avpcq.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\avpcq = "C:\\Program Files\\NetMeeting\\avpcq.exe"	avpcq.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files\NetMeeting\avpcq.exe	f8be942223ffd10d00ba0ec37d25a5358ebde52b6bfbd1e3e4c45815ddb50672.exe
File opened for modification	C:\Program Files\NetMeeting\avpcq.cfg	f8be942223ffd10d00ba0ec37d25a5358ebde52b6bfbd1e3e4c45815ddb50672.exe
File opened for modification	C:\Program Files\NetMeeting\avpcq.dat	avpcq.exe
File created	C:\Program Files\NetMeeting\avpcq.dat	avpcq.exe
File opened for modification	C:\Program Files\NetMeeting\avpcq.exe	f8be942223ffd10d00ba0ec37d25a5358ebde52b6bfbd1e3e4c45815ddb50672.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4844	f8be942223ffd10d00ba0ec37d25a5358ebde52b6bfbd1e3e4c45815ddb50672.exe
4844	f8be942223ffd10d00ba0ec37d25a5358ebde52b6bfbd1e3e4c45815ddb50672.exe
4844	f8be942223ffd10d00ba0ec37d25a5358ebde52b6bfbd1e3e4c45815ddb50672.exe
4844	f8be942223ffd10d00ba0ec37d25a5358ebde52b6bfbd1e3e4c45815ddb50672.exe
1204	avpcq.exe
1204	avpcq.exe
1204	avpcq.exe
1204	avpcq.exe
1204	avpcq.exe
1204	avpcq.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1204	avpcq.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4844 wrote to memory of 1204	4844	f8be942223ffd10d00ba0ec37d25a5358ebde52b6bfbd1e3e4c45815ddb50672.exe	84
PID 4844 wrote to memory of 1204	4844	f8be942223ffd10d00ba0ec37d25a5358ebde52b6bfbd1e3e4c45815ddb50672.exe	84
PID 4844 wrote to memory of 1204	4844	f8be942223ffd10d00ba0ec37d25a5358ebde52b6bfbd1e3e4c45815ddb50672.exe	84
PID 1204 wrote to memory of 3004	1204	avpcq.exe	37
PID 4844 wrote to memory of 524	4844	f8be942223ffd10d00ba0ec37d25a5358ebde52b6bfbd1e3e4c45815ddb50672.exe	85
PID 4844 wrote to memory of 524	4844	f8be942223ffd10d00ba0ec37d25a5358ebde52b6bfbd1e3e4c45815ddb50672.exe	85
PID 4844 wrote to memory of 524	4844	f8be942223ffd10d00ba0ec37d25a5358ebde52b6bfbd1e3e4c45815ddb50672.exe	85

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3004
- C:\Users\Admin\AppData\Local\Temp\f8be942223ffd10d00ba0ec37d25a5358ebde52b6bfbd1e3e4c45815ddb50672.exe
  "C:\Users\Admin\AppData\Local\Temp\f8be942223ffd10d00ba0ec37d25a5358ebde52b6bfbd1e3e4c45815ddb50672.exe"
  2⤵
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4844
- - C:\Program Files\NetMeeting\avpcq.exe
    "C:\Program Files\NetMeeting\avpcq.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in Program Files directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1204
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\f8be942223ffd10d00ba0ec37d25a5358ebde52b6bfbd1e3e4c45815ddb50672.exe"
    3⤵
    PID:524

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

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

avpcq.exe

Path C:\Program Files\NetMeeting\avpcq.exe
Size 96KB
SHA256 f8be942223ffd10d00ba0ec37d25a5358ebde52b6bfbd1e3e4c45815ddb50672
MD5 7b41ace691a33cbe63974c39c664b2d0
SHA1 72f73da75411ec58eeeea75cf31c28d417e1cf19
SHA512 9db8a1bce40e04af54c5e01472af0954fe68d26680d1bda6272e28e7a115d011b8fbfd10c7c6c971de04c4e2476711c1edc03f36688231a124bb33c112451be2
SSDEEP 768:3k2Y3QTBqgB3l//uZ3CFk2Y6EfL8r0eGEjvb:0N3Q8gB3lZ+N6EfL8hGg
MD5 SHA1 SHA512 SSDEEP

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avpcq.exe

Path C:\Program Files\NetMeeting\avpcq.exe
Size 96KB
SHA256 f8be942223ffd10d00ba0ec37d25a5358ebde52b6bfbd1e3e4c45815ddb50672
MD5 7b41ace691a33cbe63974c39c664b2d0
SHA1 72f73da75411ec58eeeea75cf31c28d417e1cf19
SHA512 9db8a1bce40e04af54c5e01472af0954fe68d26680d1bda6272e28e7a115d011b8fbfd10c7c6c971de04c4e2476711c1edc03f36688231a124bb33c112451be2
SSDEEP 768:3k2Y3QTBqgB3l//uZ3CFk2Y6EfL8r0eGEjvb:0N3Q8gB3lZ+N6EfL8hGg
MD5 SHA1 SHA512 SSDEEP

Submit Download