Analysis
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max time kernel
151s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
08-01-2024 11:45
Static task
static1
Behavioral task
behavioral1
Sample
4b580862d50bf8bed3dc2dcf48286a97.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
4b580862d50bf8bed3dc2dcf48286a97.exe
Resource
win10v2004-20231215-en
General
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Target
4b580862d50bf8bed3dc2dcf48286a97.exe
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Size
693KB
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MD5
4b580862d50bf8bed3dc2dcf48286a97
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SHA1
f5e9cfb4828485fe1a0e713653fa257c033ff9d7
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SHA256
2f27adfa401fb8fa6dec3c55c1b6dac7c46b8c79240406c534d4a75812ae2418
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SHA512
a2df88330a62b788bc4fe8268e353ed368bfc09995c1cf7fb35bff912e2cc07e303110f704bf84bb5a48d4edd986dd2ecd943e4a9ca58848b3e0d8fb787e4d0a
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SSDEEP
12288:8Q3dh+p1h79i/DdA1NUyfJjQuAkmPVHAHTPz/xMITpDp:8QNjDdkUyfJI272IFDp
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 7 IoCs
resource yara_rule behavioral1/memory/2716-17-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2716-19-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2716-23-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2716-25-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2716-27-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2348-117-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2348-119-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty -
A310logger Executable 9 IoCs
resource yara_rule behavioral1/memory/2716-17-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2716-19-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2716-23-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2716-25-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2716-27-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/files/0x000e000000016fd5-94.dat a310logger behavioral1/memory/2348-117-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2348-119-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2368-147-0x0000000000C20000-0x0000000000CA0000-memory.dmp a310logger -
Executes dropped EXE 2 IoCs
pid Process 1632 MZ.exe 2368 MZ.exe -
Loads dropped DLL 2 IoCs
pid Process 2716 InstallUtil.exe 2348 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 6 IoCs
description 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 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\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\15.0\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.
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
description pid Process procid_target PID 3052 set thread context of 2116 3052 4b580862d50bf8bed3dc2dcf48286a97.exe 29 PID 2116 set thread context of 2420 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 30 PID 2116 set thread context of 2716 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 33 PID 2116 set thread context of 2348 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 36 -
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 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1632 MZ.exe 1632 MZ.exe 2368 MZ.exe 2368 MZ.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2116 4b580862d50bf8bed3dc2dcf48286a97.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3052 4b580862d50bf8bed3dc2dcf48286a97.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1632 MZ.exe Token: SeDebugPrivilege 2368 MZ.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 2116 4b580862d50bf8bed3dc2dcf48286a97.exe -
Suspicious use of WriteProcessMemory 45 IoCs
description pid Process procid_target PID 3052 wrote to memory of 2116 3052 4b580862d50bf8bed3dc2dcf48286a97.exe 29 PID 3052 wrote to memory of 2116 3052 4b580862d50bf8bed3dc2dcf48286a97.exe 29 PID 3052 wrote to memory of 2116 3052 4b580862d50bf8bed3dc2dcf48286a97.exe 29 PID 3052 wrote to memory of 2116 3052 4b580862d50bf8bed3dc2dcf48286a97.exe 29 PID 3052 wrote to memory of 2116 3052 4b580862d50bf8bed3dc2dcf48286a97.exe 29 PID 2116 wrote to memory of 2420 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 30 PID 2116 wrote to memory of 2420 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 30 PID 2116 wrote to memory of 2420 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 30 PID 2116 wrote to memory of 2420 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 30 PID 2116 wrote to memory of 2420 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 30 PID 2116 wrote to memory of 2420 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 30 PID 2116 wrote to memory of 2420 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 30 PID 2116 wrote to memory of 2420 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 30 PID 2116 wrote to memory of 2716 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 33 PID 2116 wrote to memory of 2716 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 33 PID 2116 wrote to memory of 2716 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 33 PID 2116 wrote to memory of 2716 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 33 PID 2116 wrote to memory of 2716 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 33 PID 2116 wrote to memory of 2716 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 33 PID 2116 wrote to memory of 2716 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 33 PID 2116 wrote to memory of 2716 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 33 PID 2116 wrote to memory of 2716 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 33 PID 2116 wrote to memory of 2716 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 33 PID 2116 wrote to memory of 2716 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 33 PID 2116 wrote to memory of 2716 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 33 PID 2716 wrote to memory of 1632 2716 InstallUtil.exe 35 PID 2716 wrote to memory of 1632 2716 InstallUtil.exe 35 PID 2716 wrote to memory of 1632 2716 InstallUtil.exe 35 PID 2716 wrote to memory of 1632 2716 InstallUtil.exe 35 PID 2116 wrote to memory of 2348 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 36 PID 2116 wrote to memory of 2348 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 36 PID 2116 wrote to memory of 2348 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 36 PID 2116 wrote to memory of 2348 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 36 PID 2116 wrote to memory of 2348 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 36 PID 2116 wrote to memory of 2348 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 36 PID 2116 wrote to memory of 2348 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 36 PID 2116 wrote to memory of 2348 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 36 PID 2116 wrote to memory of 2348 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 36 PID 2116 wrote to memory of 2348 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 36 PID 2116 wrote to memory of 2348 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 36 PID 2116 wrote to memory of 2348 2116 4b580862d50bf8bed3dc2dcf48286a97.exe 36 PID 2348 wrote to memory of 2368 2348 InstallUtil.exe 37 PID 2348 wrote to memory of 2368 2348 InstallUtil.exe 37 PID 2348 wrote to memory of 2368 2348 InstallUtil.exe 37 PID 2348 wrote to memory of 2368 2348 InstallUtil.exe 37 -
outlook_office_path 1 IoCs
description 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
description 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\4b580862d50bf8bed3dc2dcf48286a97.exe"C:\Users\Admin\AppData\Local\Temp\4b580862d50bf8bed3dc2dcf48286a97.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3052 -
C:\Users\Admin\AppData\Local\Temp\4b580862d50bf8bed3dc2dcf48286a97.exe"C:\Users\Admin\AppData\Local\Temp\4b580862d50bf8bed3dc2dcf48286a97.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2116 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵PID:2420
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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:2716 -
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:1632
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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:2348 -
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:2368
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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
MD5b3917425b2b6cf95f2a060064442a90e
SHA15bb73fdeb7ac54d113e8f72293b56e368387d4de
SHA25668a04f0b55c04a0403b18e34cbbced6940d0f0daeb39d5bec2ba4e92c2acfa82
SHA512f9efb8ffacbf14b13f94f1f9d70fd835d92f03df7ce740a1f1bd2c31babf567920340c96728a721db31ed1c4f49aa33adbbbd1fdcd4b64c9275494a469638a54
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD5379768caee94e7be1968efe3e9db689a
SHA17bbd114f1d30cbd7ab6121a88a865361b76e3a4b
SHA256d8cc01e51984d9a3ddac96cdcbcd7898013b031153a4342a02ee815c20c1a9a9
SHA512cf0bc06b3910126e931795686901a8b6dcc5de4ed4841389aca1f126dc42ca35af08a84b327fbd745973448bdc8bef399786efd49097a3113a9b5da06ab64b2e
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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