Analysis
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max time kernel
2s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
26-12-2023 06:29
Static task
static1
Behavioral task
behavioral1
Sample
000100049000TK.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
000100049000TK.exe
Resource
win10v2004-20231222-en
General
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Target
000100049000TK.exe
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Size
955KB
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MD5
113f59d0bd4384226e40c17bf899935d
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SHA1
4bf159402cefe87d328182fee0e82297b1fff5c5
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SHA256
b77f7c59b071608e552cf6ccae6f9e0e3f6790d83ec7d163713b0eedc6eccf25
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SHA512
d8e3717916475013e8ec8cc5a5fef303c4467fe66b944f1031ee73ad964a6a699d3c872a305173ac7565e5000ade605e8cef1cbe3ca9438ac1f85993a69a3b78
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SSDEEP
12288:gFrXv++Cjkemhes5D9Bq1U50kb9zU9uRyM3/CsUABjFG3CiEN4/PosRbOt/kUQQj:gFrpCDsz2SCyiJA+O9ENGZOMb
Malware Config
Signatures
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A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
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Detect ZGRat V1 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1576-9-0x0000000005620000-0x0000000005636000-memory.dmp family_zgrat_v1 -
StormKitty
StormKitty is an open source info stealer written in C#.
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StormKitty payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2960-17-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty -
A310logger Executable 2 IoCs
Processes:
resource yara_rule behavioral2/memory/2960-17-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral2/memory/1932-33-0x0000000000BC0000-0x0000000000BD0000-memory.dmp a310logger -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.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 21 icanhazip.com -
Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
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Suspicious use of SetThreadContext 2 IoCs
Processes:
000100049000TK.exe000100049000TK.exedescription pid process target process PID 1576 set thread context of 2784 1576 000100049000TK.exe 000100049000TK.exe PID 2784 set thread context of 2960 2784 000100049000TK.exe InstallUtil.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process 2552 1092 WerFault.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
000100049000TK.exepid process 2784 000100049000TK.exe 2784 000100049000TK.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
000100049000TK.exe000100049000TK.exedescription pid process target process PID 1576 wrote to memory of 2784 1576 000100049000TK.exe 000100049000TK.exe PID 1576 wrote to memory of 2784 1576 000100049000TK.exe 000100049000TK.exe PID 1576 wrote to memory of 2784 1576 000100049000TK.exe 000100049000TK.exe PID 1576 wrote to memory of 2784 1576 000100049000TK.exe 000100049000TK.exe PID 1576 wrote to memory of 2784 1576 000100049000TK.exe 000100049000TK.exe PID 1576 wrote to memory of 2784 1576 000100049000TK.exe 000100049000TK.exe PID 1576 wrote to memory of 2784 1576 000100049000TK.exe 000100049000TK.exe PID 1576 wrote to memory of 2784 1576 000100049000TK.exe 000100049000TK.exe PID 2784 wrote to memory of 2960 2784 000100049000TK.exe InstallUtil.exe PID 2784 wrote to memory of 2960 2784 000100049000TK.exe InstallUtil.exe PID 2784 wrote to memory of 2960 2784 000100049000TK.exe InstallUtil.exe PID 2784 wrote to memory of 2960 2784 000100049000TK.exe InstallUtil.exe PID 2784 wrote to memory of 2960 2784 000100049000TK.exe InstallUtil.exe PID 2784 wrote to memory of 2960 2784 000100049000TK.exe InstallUtil.exe PID 2784 wrote to memory of 2960 2784 000100049000TK.exe InstallUtil.exe PID 2784 wrote to memory of 2960 2784 000100049000TK.exe InstallUtil.exe -
outlook_office_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\000100049000TK.exe"C:\Users\Admin\AppData\Local\Temp\000100049000TK.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\000100049000TK.exe"C:\Users\Admin\AppData\Local\Temp\000100049000TK.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"4⤵
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"1⤵
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"2⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1092 -ip 10921⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 801⤵
- Program crash
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/220-62-0x00007FFDCCFD0000-0x00007FFDCD971000-memory.dmpFilesize
9.6MB
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memory/220-61-0x00007FFDCCFD0000-0x00007FFDCD971000-memory.dmpFilesize
9.6MB
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memory/1576-5-0x00000000056A0000-0x000000000573C000-memory.dmpFilesize
624KB
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memory/1576-3-0x00000000054E0000-0x0000000005572000-memory.dmpFilesize
584KB
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memory/1576-4-0x0000000005580000-0x00000000055F6000-memory.dmpFilesize
472KB
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memory/1576-6-0x0000000005490000-0x00000000054A0000-memory.dmpFilesize
64KB
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memory/1576-1-0x0000000075310000-0x0000000075AC0000-memory.dmpFilesize
7.7MB
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memory/1576-7-0x00000000054C0000-0x00000000054DE000-memory.dmpFilesize
120KB
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memory/1576-8-0x0000000005770000-0x00000000057E8000-memory.dmpFilesize
480KB
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memory/1576-9-0x0000000005620000-0x0000000005636000-memory.dmpFilesize
88KB
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memory/1576-2-0x00000000059B0000-0x0000000005F54000-memory.dmpFilesize
5.6MB
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memory/1576-16-0x0000000075310000-0x0000000075AC0000-memory.dmpFilesize
7.7MB
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memory/1576-0-0x00000000009E0000-0x0000000000AD4000-memory.dmpFilesize
976KB
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memory/1932-32-0x00007FFDCCE60000-0x00007FFDCD801000-memory.dmpFilesize
9.6MB
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memory/1932-38-0x00007FFDCCE60000-0x00007FFDCD801000-memory.dmpFilesize
9.6MB
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memory/1932-42-0x00007FFDCCE60000-0x00007FFDCD801000-memory.dmpFilesize
9.6MB
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memory/1932-37-0x00007FFDCCE60000-0x00007FFDCD801000-memory.dmpFilesize
9.6MB
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memory/1932-33-0x0000000000BC0000-0x0000000000BD0000-memory.dmpFilesize
64KB
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memory/2784-41-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/2784-10-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/2784-13-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/2792-46-0x0000000074B20000-0x00000000750D1000-memory.dmpFilesize
5.7MB
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memory/2792-48-0x0000000074B20000-0x00000000750D1000-memory.dmpFilesize
5.7MB
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memory/2792-47-0x0000000001690000-0x00000000016A0000-memory.dmpFilesize
64KB
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memory/2792-63-0x0000000074B20000-0x00000000750D1000-memory.dmpFilesize
5.7MB
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memory/2960-40-0x0000000074E10000-0x00000000753C1000-memory.dmpFilesize
5.7MB
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memory/2960-20-0x00000000014D0000-0x00000000014E0000-memory.dmpFilesize
64KB
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memory/2960-17-0x0000000000400000-0x0000000000418000-memory.dmpFilesize
96KB
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memory/2960-18-0x0000000074E10000-0x00000000753C1000-memory.dmpFilesize
5.7MB
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memory/2960-19-0x0000000074E10000-0x00000000753C1000-memory.dmpFilesize
5.7MB