Analysis
-
max time kernel
93s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10-12-2024 03:12
Static task
static1
Behavioral task
behavioral1
Sample
9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe
Resource
win10v2004-20241007-en
General
-
Target
9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe
-
Size
693KB
-
MD5
950c269ffc596bb167ba627631af0f50
-
SHA1
f784fd1a3a31f92091927fac47f2835475ad8002
-
SHA256
9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc
-
SHA512
859b526215512aec5710b40b7a7f85da19d912705639652e9048b9ac35e5fe8cbc87e4a91e6fd3bc576d1ca7838167f3887aaebdb2a8668a305dde4404de7f7b
-
SSDEEP
12288:v63HI6tYy3xQkAJDIAMVFkVsnnT13XsZ18iN8IQauhfgERtyz/bwkF9Sk+fmzWbd:v0HI4YyakAo+sJX0RNbGFiz/bN/Sk+fR
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.cirsf.eu - Port:
25 - Username:
[email protected] - Password:
R47KQRQ7KYW9 - Email To:
[email protected]
Signatures
-
VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
-
Vipkeylogger family
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 23 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4440 set thread context of 3580 4440 9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe 96 -
Program crash 1 IoCs
pid pid_target Process procid_target 5016 3580 WerFault.exe 96 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 3580 9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3580 9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4440 wrote to memory of 3580 4440 9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe 96 PID 4440 wrote to memory of 3580 4440 9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe 96 PID 4440 wrote to memory of 3580 4440 9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe 96 PID 4440 wrote to memory of 3580 4440 9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe 96 PID 4440 wrote to memory of 3580 4440 9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe 96 PID 4440 wrote to memory of 3580 4440 9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe 96 PID 4440 wrote to memory of 3580 4440 9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe 96 PID 4440 wrote to memory of 3580 4440 9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe 96 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe"C:\Users\Admin\AppData\Local\Temp\9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4440 -
C:\Users\Admin\AppData\Local\Temp\9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe"C:\Users\Admin\AppData\Local\Temp\9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3580 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3580 -s 18043⤵
- Program crash
PID:5016
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3580 -ip 35801⤵PID:2216
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe.log
Filesize1KB
MD57ef67a0a2b1e31df887adcdaf86e4bbd
SHA1348aad52be33f1a0c477e2ace332ecf91bb0e1a8
SHA256af207d70281cc3264107da297e00ab97d0af2f055d6065ca5936cf69db6d783f
SHA5124ffab7944ec049f2597bda791de5fd3ae3578b03ef019d2222850b8f5a298e3aae8b6e33f71c38e47132d63fb58ab1b03c876b9a01665bc8bbcf01466e7d79e1