Analysis
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max time kernel
150s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
26-12-2023 23:33
Static task
static1
Behavioral task
behavioral1
Sample
96739a4d394217c2cbd895cf16acc0c8.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
96739a4d394217c2cbd895cf16acc0c8.exe
Resource
win10v2004-20231215-en
General
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Target
96739a4d394217c2cbd895cf16acc0c8.exe
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Size
455KB
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MD5
96739a4d394217c2cbd895cf16acc0c8
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SHA1
90af83fed1eb2652e133aad4f47f9354287f75a8
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SHA256
28fe91c48fa8583da9692cbdee3c2c32038d5dc3f8ca7dcd195f74511c1d6a78
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SHA512
846383b8cd6ff5208c96bf2063faff5c2fa1c1d5d714c11cb30d9aa84ad56f2435f70b2446cfc7006920a4b71dfc568bb36e03d5e8d077db757e673307729955
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SSDEEP
6144:FpJ+LBFdhgY3AgXUU6EEsgg/nzzYjzZnMUzpVltygvxTUpVP/KW+q9UT95GX:vArdGPqSENgg/KRpT/vxUpMLR5k
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 9 IoCs
Processes:
resource yara_rule behavioral1/memory/2668-14-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2668-12-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2668-18-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2668-20-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2668-22-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/548-112-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/548-114-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/3024-159-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/3024-161-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty -
A310logger Executable 10 IoCs
Processes:
resource yara_rule behavioral1/memory/2668-14-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2668-12-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2668-18-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2668-20-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2668-22-0x0000000000400000-0x0000000000418000-memory.dmp a310logger \Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe a310logger behavioral1/memory/548-112-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/548-114-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/3024-159-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/3024-161-0x0000000000400000-0x0000000000418000-memory.dmp a310logger -
Executes dropped EXE 3 IoCs
Processes:
MZ.exeMZ.exeMZ.exepid process 2284 MZ.exe 2268 MZ.exe 2780 MZ.exe -
Loads dropped DLL 3 IoCs
Processes:
InstallUtil.exeInstallUtil.exeInstallUtil.exepid process 2668 InstallUtil.exe 548 InstallUtil.exe 3024 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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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:
96739a4d394217c2cbd895cf16acc0c8.exe96739a4d394217c2cbd895cf16acc0c8.exedescription pid process target process PID 1728 set thread context of 2992 1728 96739a4d394217c2cbd895cf16acc0c8.exe 96739a4d394217c2cbd895cf16acc0c8.exe PID 2992 set thread context of 2668 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 set thread context of 548 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 set thread context of 3024 2992 96739a4d394217c2cbd895cf16acc0c8.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 2284 MZ.exe 2284 MZ.exe 2268 MZ.exe 2268 MZ.exe 2780 MZ.exe 2780 MZ.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
96739a4d394217c2cbd895cf16acc0c8.exepid process 2992 96739a4d394217c2cbd895cf16acc0c8.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
96739a4d394217c2cbd895cf16acc0c8.exepid process 1728 96739a4d394217c2cbd895cf16acc0c8.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
MZ.exeMZ.exeMZ.exedescription pid process Token: SeDebugPrivilege 2284 MZ.exe Token: SeDebugPrivilege 2268 MZ.exe Token: SeDebugPrivilege 2780 MZ.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
96739a4d394217c2cbd895cf16acc0c8.exepid process 2992 96739a4d394217c2cbd895cf16acc0c8.exe 2992 96739a4d394217c2cbd895cf16acc0c8.exe -
Suspicious use of WriteProcessMemory 53 IoCs
Processes:
96739a4d394217c2cbd895cf16acc0c8.exe96739a4d394217c2cbd895cf16acc0c8.exeInstallUtil.exeInstallUtil.exeInstallUtil.exedescription pid process target process PID 1728 wrote to memory of 2992 1728 96739a4d394217c2cbd895cf16acc0c8.exe 96739a4d394217c2cbd895cf16acc0c8.exe PID 1728 wrote to memory of 2992 1728 96739a4d394217c2cbd895cf16acc0c8.exe 96739a4d394217c2cbd895cf16acc0c8.exe PID 1728 wrote to memory of 2992 1728 96739a4d394217c2cbd895cf16acc0c8.exe 96739a4d394217c2cbd895cf16acc0c8.exe PID 1728 wrote to memory of 2992 1728 96739a4d394217c2cbd895cf16acc0c8.exe 96739a4d394217c2cbd895cf16acc0c8.exe PID 1728 wrote to memory of 2992 1728 96739a4d394217c2cbd895cf16acc0c8.exe 96739a4d394217c2cbd895cf16acc0c8.exe PID 2992 wrote to memory of 2668 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 2668 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 2668 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 2668 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 2668 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 2668 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 2668 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 2668 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 2668 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 2668 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 2668 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 2668 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2668 wrote to memory of 2284 2668 InstallUtil.exe MZ.exe PID 2668 wrote to memory of 2284 2668 InstallUtil.exe MZ.exe PID 2668 wrote to memory of 2284 2668 InstallUtil.exe MZ.exe PID 2668 wrote to memory of 2284 2668 InstallUtil.exe MZ.exe PID 2992 wrote to memory of 548 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 548 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 548 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 548 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 548 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 548 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 548 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 548 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 548 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 548 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 548 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 548 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 548 wrote to memory of 2268 548 InstallUtil.exe MZ.exe PID 548 wrote to memory of 2268 548 InstallUtil.exe MZ.exe PID 548 wrote to memory of 2268 548 InstallUtil.exe MZ.exe PID 548 wrote to memory of 2268 548 InstallUtil.exe MZ.exe PID 2992 wrote to memory of 3024 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 3024 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 3024 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 3024 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 3024 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 3024 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 3024 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 3024 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 3024 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 3024 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 3024 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 2992 wrote to memory of 3024 2992 96739a4d394217c2cbd895cf16acc0c8.exe InstallUtil.exe PID 3024 wrote to memory of 2780 3024 InstallUtil.exe MZ.exe PID 3024 wrote to memory of 2780 3024 InstallUtil.exe MZ.exe PID 3024 wrote to memory of 2780 3024 InstallUtil.exe MZ.exe PID 3024 wrote to memory of 2780 3024 InstallUtil.exe MZ.exe -
outlook_office_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\96739a4d394217c2cbd895cf16acc0c8.exe"C:\Users\Admin\AppData\Local\Temp\96739a4d394217c2cbd895cf16acc0c8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1728 -
C:\Users\Admin\AppData\Local\Temp\96739a4d394217c2cbd895cf16acc0c8.exe"C:\Users\Admin\AppData\Local\Temp\96739a4d394217c2cbd895cf16acc0c8.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2992 -
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:2668 -
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:2284
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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:548 -
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:2268
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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:3024 -
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:2780
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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
MD56741115a553327b8aa6757ebbd10ad47
SHA1dc60ef4c5e439deb3c385ebf64535b2a3da3122d
SHA256d82a74c8637f7ef88e1d21cd6c7084a3458eeeeae6f2579944c0b4b74696f929
SHA512ad42dde7898f9e25dd1d97ce53017b37dc462c0b954b9d77376d91df47f55c86d32a7e5e2304b24e42060ac02d6b9776f8078a18cdb3e69e97f6f126e800e6b8
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD595f482dd865cd3226bbd736f84f630ef
SHA17aa4c728a9b0cac5ba9e61712bbaa4ac02845c6e
SHA25611375dcd0a97de715cdcdd5dbad8d7ba89a10b3ac4800e0292152e7218a63ade
SHA512a56c6cabe5d5b75fda12b4d6eecb21b8c64a337d98b3ed51b81747b151193e64813b231b5e7973b63308548850638f3108c7a8e03476bf794ee92db175fcbc9d
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD5f520172ad4d3346605f8781d6638d881
SHA1f70be3a1775273845c9fada37b07b4876891fbdd
SHA256a448d898c6c00808d74e1cb63412738f160f08fa1163cc353c5ff160830f9dd1
SHA512dbcf1b0f8bebc80214f21c11ad215ad31a5eb36f6a401bf3810c1141a0ca81e3fa3a54540cec27f3273c5b7f87a60d65ab98f5a9cd14d64a4f1eb5629bc402b9
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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