Analysis
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max time kernel
156s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
31-12-2023 11:20
Static task
static1
Behavioral task
behavioral1
Sample
340e9a1bcc5ae00b5251f8c5e4bcae10.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
340e9a1bcc5ae00b5251f8c5e4bcae10.exe
Resource
win10v2004-20231215-en
General
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Target
340e9a1bcc5ae00b5251f8c5e4bcae10.exe
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Size
414KB
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MD5
340e9a1bcc5ae00b5251f8c5e4bcae10
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SHA1
a083255dced4da814db8b064b40324e1c755f6a8
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SHA256
9e8945e1f0569c2fddfad7e0a580508cc85a7ec431b634ea070cdfc8c80cc6cf
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SHA512
521cb325d8d7b61788419694f028e830b423d02b5395dadc16e02e7d08b4ca75feb033edfd055eb158fd0f3e315a07b44dda20a4754ac4f4172a3c5741595405
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SSDEEP
3072:Wri/gSS018Jn8Q5CJ2ZezucNTl2B03TirJjMmCtxBu6Z91EqySTG1fwkYopl9/1/:ZgSS0G4IEzuc72B0witOCnGS8t7Fh
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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StormKitty
StormKitty is an open source info stealer written in C#.
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StormKitty payload 11 IoCs
Processes:
resource yara_rule behavioral1/memory/2472-12-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2472-14-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2472-22-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2472-20-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2472-18-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2472-25-0x0000000000D20000-0x0000000000D60000-memory.dmp family_stormkitty behavioral1/memory/832-150-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/832-152-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/832-154-0x0000000000460000-0x00000000004A0000-memory.dmp family_stormkitty behavioral1/memory/1656-199-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/1656-197-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty -
A310logger Executable 12 IoCs
Processes:
resource yara_rule behavioral1/memory/2472-12-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2472-14-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2472-22-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2472-20-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2472-18-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2472-25-0x0000000000D20000-0x0000000000D60000-memory.dmp a310logger C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe a310logger behavioral1/memory/832-150-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/832-152-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/832-154-0x0000000000460000-0x00000000004A0000-memory.dmp a310logger behavioral1/memory/1656-199-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/1656-197-0x0000000000400000-0x0000000000418000-memory.dmp a310logger -
Executes dropped EXE 3 IoCs
Processes:
MZ.exeMZ.exeMZ.exepid process 792 MZ.exe 2216 MZ.exe 1648 MZ.exe -
Loads dropped DLL 3 IoCs
Processes:
InstallUtil.exeInstallUtil.exeInstallUtil.exepid process 2472 InstallUtil.exe 832 InstallUtil.exe 1656 InstallUtil.exe -
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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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 9 IoCs
Processes:
InstallUtil.exeInstallUtil.exeInstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Office\16.0\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 2 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 4 IoCs
Processes:
340e9a1bcc5ae00b5251f8c5e4bcae10.exe340e9a1bcc5ae00b5251f8c5e4bcae10.exedescription pid process target process PID 2496 set thread context of 2512 2496 340e9a1bcc5ae00b5251f8c5e4bcae10.exe 340e9a1bcc5ae00b5251f8c5e4bcae10.exe PID 2512 set thread context of 2472 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 set thread context of 832 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 set thread context of 1656 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 6 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
InstallUtil.exeInstallUtil.exeInstallUtil.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 InstallUtil.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier InstallUtil.exe Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 InstallUtil.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier InstallUtil.exe Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 InstallUtil.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
MZ.exeMZ.exeMZ.exepid process 792 MZ.exe 792 MZ.exe 2216 MZ.exe 2216 MZ.exe 1648 MZ.exe 1648 MZ.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
340e9a1bcc5ae00b5251f8c5e4bcae10.exepid process 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
340e9a1bcc5ae00b5251f8c5e4bcae10.exepid process 2496 340e9a1bcc5ae00b5251f8c5e4bcae10.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
MZ.exeMZ.exeMZ.exedescription pid process Token: SeDebugPrivilege 792 MZ.exe Token: SeDebugPrivilege 2216 MZ.exe Token: SeDebugPrivilege 1648 MZ.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
340e9a1bcc5ae00b5251f8c5e4bcae10.exepid process 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe -
Suspicious use of WriteProcessMemory 53 IoCs
Processes:
340e9a1bcc5ae00b5251f8c5e4bcae10.exe340e9a1bcc5ae00b5251f8c5e4bcae10.exeInstallUtil.exeInstallUtil.exeInstallUtil.exedescription pid process target process PID 2496 wrote to memory of 2512 2496 340e9a1bcc5ae00b5251f8c5e4bcae10.exe 340e9a1bcc5ae00b5251f8c5e4bcae10.exe PID 2496 wrote to memory of 2512 2496 340e9a1bcc5ae00b5251f8c5e4bcae10.exe 340e9a1bcc5ae00b5251f8c5e4bcae10.exe PID 2496 wrote to memory of 2512 2496 340e9a1bcc5ae00b5251f8c5e4bcae10.exe 340e9a1bcc5ae00b5251f8c5e4bcae10.exe PID 2496 wrote to memory of 2512 2496 340e9a1bcc5ae00b5251f8c5e4bcae10.exe 340e9a1bcc5ae00b5251f8c5e4bcae10.exe PID 2496 wrote to memory of 2512 2496 340e9a1bcc5ae00b5251f8c5e4bcae10.exe 340e9a1bcc5ae00b5251f8c5e4bcae10.exe PID 2512 wrote to memory of 2472 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 2472 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 2472 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 2472 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 2472 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 2472 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 2472 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 2472 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 2472 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 2472 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 2472 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 2472 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2472 wrote to memory of 792 2472 InstallUtil.exe MZ.exe PID 2472 wrote to memory of 792 2472 InstallUtil.exe MZ.exe PID 2472 wrote to memory of 792 2472 InstallUtil.exe MZ.exe PID 2472 wrote to memory of 792 2472 InstallUtil.exe MZ.exe PID 2512 wrote to memory of 832 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 832 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 832 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 832 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 832 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 832 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 832 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 832 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 832 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 832 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 832 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 832 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 832 wrote to memory of 2216 832 InstallUtil.exe MZ.exe PID 832 wrote to memory of 2216 832 InstallUtil.exe MZ.exe PID 832 wrote to memory of 2216 832 InstallUtil.exe MZ.exe PID 832 wrote to memory of 2216 832 InstallUtil.exe MZ.exe PID 2512 wrote to memory of 1656 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 1656 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 1656 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 1656 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 1656 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 1656 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 1656 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 1656 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 1656 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 1656 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 1656 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 2512 wrote to memory of 1656 2512 340e9a1bcc5ae00b5251f8c5e4bcae10.exe InstallUtil.exe PID 1656 wrote to memory of 1648 1656 InstallUtil.exe MZ.exe PID 1656 wrote to memory of 1648 1656 InstallUtil.exe MZ.exe PID 1656 wrote to memory of 1648 1656 InstallUtil.exe MZ.exe PID 1656 wrote to memory of 1648 1656 InstallUtil.exe MZ.exe -
outlook_office_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\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-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\340e9a1bcc5ae00b5251f8c5e4bcae10.exe"C:\Users\Admin\AppData\Local\Temp\340e9a1bcc5ae00b5251f8c5e4bcae10.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2496 -
C:\Users\Admin\AppData\Local\Temp\340e9a1bcc5ae00b5251f8c5e4bcae10.exe"C:\Users\Admin\AppData\Local\Temp\340e9a1bcc5ae00b5251f8c5e4bcae10.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2512 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2472 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:792
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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⤵
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:832 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2216
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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⤵
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1656 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1648
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD51e2c0d22b3d7067d255e7ded7038e355
SHA1e4f9f116c4a51439afaf6336dd491c2d6f562e8d
SHA2563c790a382ab925fdfe0e57ba0a24ac6f6ab26d84cf55c845457fdbeb56e24fc4
SHA5124c39c1df16ab5bf8bd4c3b0894620ee83bfc63c75e0d3a9905c326c158e89743663c8861ba3835f2f53ebea4ef7f4b8ed7198e8accf92c2f9a84bd1241378109
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD5e88f02136cb098fd8f77e919801c497a
SHA11d6c03bfd459b1f24d19d8a82e6752f6f59763bb
SHA25639f54faa8cd42080b1335fa85d710098083db2d50df55927b04e09812e7777d4
SHA512da7f888cfecb691d25219625988b1eaf8ed2f1bd8827934abae0de54c689d7c9b79f938e2c6e9c4fae2182e5a8d00701ba931f7393f65e4d330de1ab26f4d00d
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Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
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Filesize
171KB
MD59c0c641c06238516f27941aa1166d427
SHA164cd549fb8cf014fcd9312aa7a5b023847b6c977
SHA2564276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
SHA512936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06
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Filesize
20KB
MD51bad0cbd09b05a21157d8255dc801778
SHA1ff284bba12f011b72e20d4c9537d6c455cdbf228
SHA256218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9
SHA5124fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533