Analysis
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max time kernel
110s -
max time network
111s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25-09-2024 10:30
Static task
static1
Behavioral task
behavioral1
Sample
z9OutstandingPayment.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
z9OutstandingPayment.exe
Resource
win10v2004-20240802-en
General
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Target
z9OutstandingPayment.exe
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Size
1.3MB
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MD5
b88e14278935b0ec0902504c544a87af
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SHA1
6c181b0dfc3e496a84c1cfbe48610178dbfd776b
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SHA256
cb2ef6af937cda03dc985358f37e52a71e6f7fc62ca444bbdd9745991557a44d
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SHA512
15291da5040c56332b2cc7e38f050e30938160746604b5361266b8fcf8e59b2be0a1e5f58ff6ecbb94e90d07cee5f49f55fac936895f64114c6a417c1df5fc74
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SSDEEP
24576:pRmJkcoQricOIQxiZY1iaJVL7MiETZe0jmhB4pwkYhjF:mJZoQrbTFZY1iaJVEjdbqgOhjF
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
Password: D4v_8+edvC?l. . - Email To:
[email protected]
Signatures
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VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
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Drops startup file 1 IoCs
Processes:
name.exedescription ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.vbs name.exe -
Executes dropped EXE 1 IoCs
Processes:
name.exepid Process 392 name.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.
Processes:
flow ioc 15 checkip.dyndns.org -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule behavioral2/files/0x0007000000023471-5.dat autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
name.exedescription pid Process procid_target PID 392 set thread context of 4344 392 name.exe 83 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target Process procid_target 2000 392 WerFault.exe 82 768 4344 WerFault.exe 83 -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
z9OutstandingPayment.exename.exeRegSvcs.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language z9OutstandingPayment.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language name.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
RegSvcs.exepid Process 4344 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
name.exepid Process 392 name.exe 392 name.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid Process Token: SeDebugPrivilege 4344 RegSvcs.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
z9OutstandingPayment.exename.exedescription pid Process procid_target PID 2644 wrote to memory of 392 2644 z9OutstandingPayment.exe 82 PID 2644 wrote to memory of 392 2644 z9OutstandingPayment.exe 82 PID 2644 wrote to memory of 392 2644 z9OutstandingPayment.exe 82 PID 392 wrote to memory of 4344 392 name.exe 83 PID 392 wrote to memory of 4344 392 name.exe 83 PID 392 wrote to memory of 4344 392 name.exe 83 PID 392 wrote to memory of 4344 392 name.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\z9OutstandingPayment.exe"C:\Users\Admin\AppData\Local\Temp\z9OutstandingPayment.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2644 -
C:\Users\Admin\AppData\Local\directory\name.exe"C:\Users\Admin\AppData\Local\Temp\z9OutstandingPayment.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:392 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\z9OutstandingPayment.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4344 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4344 -s 14564⤵
- Program crash
PID:768
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 392 -s 7483⤵
- Program crash
PID:2000
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 392 -ip 3921⤵PID:1220
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4344 -ip 43441⤵PID:3540
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
1.3MB
MD5b88e14278935b0ec0902504c544a87af
SHA16c181b0dfc3e496a84c1cfbe48610178dbfd776b
SHA256cb2ef6af937cda03dc985358f37e52a71e6f7fc62ca444bbdd9745991557a44d
SHA51215291da5040c56332b2cc7e38f050e30938160746604b5361266b8fcf8e59b2be0a1e5f58ff6ecbb94e90d07cee5f49f55fac936895f64114c6a417c1df5fc74