6eedf29569114959308a1d3de4c2dc205c099ded8306376da235928e573b0370

General

Target
Neverlose.exe
Size 372KB
Sample260922-y65m3asalg
SHA256 6eedf29569114959308a1d3de4c2dc205c099ded8306376da235928e573b0370
MD5 74e4322f7173de6e47b2ab5777deee5a
SHA1 aff571043620686bedab821bda1bb16df93209e5
SHA512 2915dd4118d3d2a6c42ed6f7e33d60ac27b9db8a30c1e170643f771030c7847371ea9cca8ffe67766a6f6874c707c0f6bb5c23a41b5ea574e9150dcfd612d3a8
SSDEEP 6144:MxsX7Q5UVbC9Yj01sGXIASkmD2pd7rB5stHf/nIscOHKgmRCNu2b1KCm9XId09vU:NQbshqRAIok4KU
TLSH
T15384D6143FA98E08E540257E465E1A18DBDAD1F226326303770AEF614D05DEEDE2D3EB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\System32\\userinit.exe,C:\\Program Files\\System32\\Dfefenf2er.exe"	Neverlose.exe

Executes dropped EXE 2 IoCs

pid	Process
2668	Mal2wareDeff.exe
4480	Dfefenf2er.exe

Looks up external IP address via web service 1 TTPs 4 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

discovery

Internet Connection Discovery

T1016.001

flow	ioc
6	api.ipify.org
7	api.ipify.org
1	api.ipify.org
5	api.ipify.org

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files\System32\Dfefenf2er.exe	Neverlose.exe
File opened for modification	C:\Program Files\System32\Dfefenf2er.exe	Neverlose.exe
File opened for modification	C:\Program Files\System32\Dfefenf2er.exe	Mal2wareDeff.exe
File opened for modification	C:\Program Files\System32\Dfefenf2er.exe	Dfefenf2er.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4696	cmd.exe
3100	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3872	schtasks.exe
4580	schtasks.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3212	Neverlose.exe
Token: SeDebugPrivilege	2668	Mal2wareDeff.exe
Token: SeDebugPrivilege	4480	Dfefenf2er.exe
Token: SeIncBasePriorityPrivilege	4480	Dfefenf2er.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3212 wrote to memory of 2596	3212	Neverlose.exe	91
PID 3212 wrote to memory of 4696	3212	Neverlose.exe	93
PID 4696 wrote to memory of 3872	4696	cmd.exe	95
PID 3212 wrote to memory of 3100	3212	Neverlose.exe	96
PID 3100 wrote to memory of 4580	3100	cmd.exe	98
PID 3212 wrote to memory of 4480	3212	Neverlose.exe	102

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\Neverlose.exe
"C:\Users\Admin\AppData\Local\Temp\Neverlose.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3212
- C:\Windows\SYSTEM32\CMD.exe
  "CMD" netsh advfirewall firewall add rule name="3O7y]{kw]7'z]5" dir=in action=allow program="C:\Program Files\System32\Dfefenf2er.exe" enable=yes & exit
  2⤵
  PID:2596
- C:\Windows\SYSTEM32\cmd.exe
  "cmd" /c schtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrfashN2vTew" /tr "C:\Program Files\System32\Dfefenf2er.exe" /RL HIGHEST & exit
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:4696
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrfashN2vTew" /tr "C:\Program Files\System32\Dfefenf2er.exe" /RL HIGHEST
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:3872
- C:\Windows\SYSTEM32\cmd.exe
  "cmd" /c schtasks /create /f /sc minute /mo 30 /tn "Microsoft\Macfhi2neCore" /tr "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\Web\Mal2wareDeff.exe" /RL HIGHEST & exit
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:3100
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc minute /mo 30 /tn "Microsoft\Macfhi2neCore" /tr "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\Web\Mal2wareDeff.exe" /RL HIGHEST
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4580
- C:\Program Files\System32\Dfefenf2er.exe
  "C:\Program Files\System32\Dfefenf2er.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  PID:4480

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\Web\Mal2wareDeff.exe
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\Web\Mal2wareDeff.exe
1⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
PID:2668