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Analysis
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max time kernel
150s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
12/03/2024, 12:32
Static task
static1
Behavioral task
behavioral1
Sample
c361fd420eaaf02d8d00849565dbe772.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c361fd420eaaf02d8d00849565dbe772.exe
Resource
win10v2004-20240226-en
General
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Target
c361fd420eaaf02d8d00849565dbe772.exe
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Size
266KB
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MD5
c361fd420eaaf02d8d00849565dbe772
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SHA1
910c910c09e8fd3ecca9c44b0652ba05a295def8
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SHA256
4819be19d03a245b83fd593209f3ab072ca7d5491d60fea2d50b848236833088
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SHA512
50bf99f6cc71b47e21ac1718712d7aec7de839444e7985584a0fc9556a2ea9ec69e7eefd8ab33a86743dd34167f3401469ac22d698d5db7e418a18bddbe2db78
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SSDEEP
6144:GEVDew2jZVWwSAEyS+zc0jnKh7La0FBivyLEgM:G7vkwST+IWCnLqvypM
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 10 IoCs
resource yara_rule behavioral1/memory/2516-12-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2516-14-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2516-18-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2516-20-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2516-22-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/936-140-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/936-142-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2372-188-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2372-190-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2372-192-0x0000000000D40000-0x0000000000D80000-memory.dmp family_stormkitty -
A310logger Executable 11 IoCs
resource yara_rule behavioral1/memory/2516-12-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2516-14-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2516-18-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2516-20-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2516-22-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/files/0x001c000000013721-116.dat a310logger behavioral1/memory/936-140-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/936-142-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2372-188-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2372-190-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2372-192-0x0000000000D40000-0x0000000000D80000-memory.dmp a310logger -
Executes dropped EXE 3 IoCs
pid Process 1724 MZ.exe 940 MZ.exe 1992 MZ.exe -
Loads dropped DLL 3 IoCs
pid Process 2516 InstallUtil.exe 936 InstallUtil.exe 2372 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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\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.
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 2692 set thread context of 2740 2692 c361fd420eaaf02d8d00849565dbe772.exe 28 PID 2740 set thread context of 2516 2740 c361fd420eaaf02d8d00849565dbe772.exe 29 PID 2740 set thread context of 936 2740 c361fd420eaaf02d8d00849565dbe772.exe 34 PID 2740 set thread context of 2372 2740 c361fd420eaaf02d8d00849565dbe772.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 6 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 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
pid Process 1724 MZ.exe 1724 MZ.exe 940 MZ.exe 940 MZ.exe 1992 MZ.exe 1992 MZ.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2740 c361fd420eaaf02d8d00849565dbe772.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2692 c361fd420eaaf02d8d00849565dbe772.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1724 MZ.exe Token: SeDebugPrivilege 940 MZ.exe Token: SeDebugPrivilege 1992 MZ.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2740 c361fd420eaaf02d8d00849565dbe772.exe 2740 c361fd420eaaf02d8d00849565dbe772.exe -
Suspicious use of WriteProcessMemory 53 IoCs
description pid Process procid_target PID 2692 wrote to memory of 2740 2692 c361fd420eaaf02d8d00849565dbe772.exe 28 PID 2692 wrote to memory of 2740 2692 c361fd420eaaf02d8d00849565dbe772.exe 28 PID 2692 wrote to memory of 2740 2692 c361fd420eaaf02d8d00849565dbe772.exe 28 PID 2692 wrote to memory of 2740 2692 c361fd420eaaf02d8d00849565dbe772.exe 28 PID 2692 wrote to memory of 2740 2692 c361fd420eaaf02d8d00849565dbe772.exe 28 PID 2740 wrote to memory of 2516 2740 c361fd420eaaf02d8d00849565dbe772.exe 29 PID 2740 wrote to memory of 2516 2740 c361fd420eaaf02d8d00849565dbe772.exe 29 PID 2740 wrote to memory of 2516 2740 c361fd420eaaf02d8d00849565dbe772.exe 29 PID 2740 wrote to memory of 2516 2740 c361fd420eaaf02d8d00849565dbe772.exe 29 PID 2740 wrote to memory of 2516 2740 c361fd420eaaf02d8d00849565dbe772.exe 29 PID 2740 wrote to memory of 2516 2740 c361fd420eaaf02d8d00849565dbe772.exe 29 PID 2740 wrote to memory of 2516 2740 c361fd420eaaf02d8d00849565dbe772.exe 29 PID 2740 wrote to memory of 2516 2740 c361fd420eaaf02d8d00849565dbe772.exe 29 PID 2740 wrote to memory of 2516 2740 c361fd420eaaf02d8d00849565dbe772.exe 29 PID 2740 wrote to memory of 2516 2740 c361fd420eaaf02d8d00849565dbe772.exe 29 PID 2740 wrote to memory of 2516 2740 c361fd420eaaf02d8d00849565dbe772.exe 29 PID 2740 wrote to memory of 2516 2740 c361fd420eaaf02d8d00849565dbe772.exe 29 PID 2516 wrote to memory of 1724 2516 InstallUtil.exe 31 PID 2516 wrote to memory of 1724 2516 InstallUtil.exe 31 PID 2516 wrote to memory of 1724 2516 InstallUtil.exe 31 PID 2516 wrote to memory of 1724 2516 InstallUtil.exe 31 PID 2740 wrote to memory of 936 2740 c361fd420eaaf02d8d00849565dbe772.exe 34 PID 2740 wrote to memory of 936 2740 c361fd420eaaf02d8d00849565dbe772.exe 34 PID 2740 wrote to memory of 936 2740 c361fd420eaaf02d8d00849565dbe772.exe 34 PID 2740 wrote to memory of 936 2740 c361fd420eaaf02d8d00849565dbe772.exe 34 PID 2740 wrote to memory of 936 2740 c361fd420eaaf02d8d00849565dbe772.exe 34 PID 2740 wrote to memory of 936 2740 c361fd420eaaf02d8d00849565dbe772.exe 34 PID 2740 wrote to memory of 936 2740 c361fd420eaaf02d8d00849565dbe772.exe 34 PID 2740 wrote to memory of 936 2740 c361fd420eaaf02d8d00849565dbe772.exe 34 PID 2740 wrote to memory of 936 2740 c361fd420eaaf02d8d00849565dbe772.exe 34 PID 2740 wrote to memory of 936 2740 c361fd420eaaf02d8d00849565dbe772.exe 34 PID 2740 wrote to memory of 936 2740 c361fd420eaaf02d8d00849565dbe772.exe 34 PID 2740 wrote to memory of 936 2740 c361fd420eaaf02d8d00849565dbe772.exe 34 PID 936 wrote to memory of 940 936 InstallUtil.exe 35 PID 936 wrote to memory of 940 936 InstallUtil.exe 35 PID 936 wrote to memory of 940 936 InstallUtil.exe 35 PID 936 wrote to memory of 940 936 InstallUtil.exe 35 PID 2740 wrote to memory of 2372 2740 c361fd420eaaf02d8d00849565dbe772.exe 36 PID 2740 wrote to memory of 2372 2740 c361fd420eaaf02d8d00849565dbe772.exe 36 PID 2740 wrote to memory of 2372 2740 c361fd420eaaf02d8d00849565dbe772.exe 36 PID 2740 wrote to memory of 2372 2740 c361fd420eaaf02d8d00849565dbe772.exe 36 PID 2740 wrote to memory of 2372 2740 c361fd420eaaf02d8d00849565dbe772.exe 36 PID 2740 wrote to memory of 2372 2740 c361fd420eaaf02d8d00849565dbe772.exe 36 PID 2740 wrote to memory of 2372 2740 c361fd420eaaf02d8d00849565dbe772.exe 36 PID 2740 wrote to memory of 2372 2740 c361fd420eaaf02d8d00849565dbe772.exe 36 PID 2740 wrote to memory of 2372 2740 c361fd420eaaf02d8d00849565dbe772.exe 36 PID 2740 wrote to memory of 2372 2740 c361fd420eaaf02d8d00849565dbe772.exe 36 PID 2740 wrote to memory of 2372 2740 c361fd420eaaf02d8d00849565dbe772.exe 36 PID 2740 wrote to memory of 2372 2740 c361fd420eaaf02d8d00849565dbe772.exe 36 PID 2372 wrote to memory of 1992 2372 InstallUtil.exe 37 PID 2372 wrote to memory of 1992 2372 InstallUtil.exe 37 PID 2372 wrote to memory of 1992 2372 InstallUtil.exe 37 PID 2372 wrote to memory of 1992 2372 InstallUtil.exe 37 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c361fd420eaaf02d8d00849565dbe772.exe"C:\Users\Admin\AppData\Local\Temp\c361fd420eaaf02d8d00849565dbe772.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2692 -
C:\Users\Admin\AppData\Local\Temp\c361fd420eaaf02d8d00849565dbe772.exe"C:\Users\Admin\AppData\Local\Temp\c361fd420eaaf02d8d00849565dbe772.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2740 -
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:2516 -
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:1724
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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:936 -
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:940
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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:2372 -
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:1992
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD5753df6889fd7410a2e9fe333da83a429
SHA13c425f16e8267186061dd48ac1c77c122962456e
SHA256b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78
SHA5129d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize304B
MD58527e1280e0d8e479e815dec23891c92
SHA101cc5fbb31deb7118875a9899d4968d3532c2b36
SHA256389ed926b22b8b88e13fcb1cc660c970d13bb0c65dbed7908c3cbfd2226ed45c
SHA512cc2a637b3045cbed0d78638e783f17e9c600edf7a3bf52c07f72a73cb5ca04fe3a3aec4d1fe3f8334c06f33b8a0177643221a3fc2c81f256ecbdb234df357282
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize304B
MD59bd714006eb9ee8e59d46094a26b33ab
SHA1d1f87e6f22ac0d57711a8b6fa8fbf80d743137b5
SHA256f503fa8410f121dd0582600b9a05ce6edac0e0897a85c0adf8cc165a9b65f6b4
SHA51218f2f88b8ba7ad2945157cd2cab90fd81fff8abd5d07787b2c8a37f633d109fb28ebb927a227495a64a7852e2aef20fe1e8718414d549f0e889b84d73bb33305
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Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
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Filesize
175KB
MD5dd73cead4b93366cf3465c8cd32e2796
SHA174546226dfe9ceb8184651e920d1dbfb432b314e
SHA256a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22
SHA512ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63
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Filesize
20KB
MD51bad0cbd09b05a21157d8255dc801778
SHA1ff284bba12f011b72e20d4c9537d6c455cdbf228
SHA256218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9
SHA5124fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533