Analysis
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max time kernel
150s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
20-07-2021 08:49
Static task
static1
Behavioral task
behavioral1
Sample
0000990008T.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
0000990008T.exe
Resource
win10v20210408
General
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Target
0000990008T.exe
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Size
204KB
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MD5
00f5caf530f4b521d37e784cdbdd84fe
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SHA1
ba4342ea14cf43c94cfe9ae002dbb56ce575bb2b
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SHA256
379362027442526fd4d4be9a6fd95b5cc1e6af9387cd508be24c6d5a6bdcba15
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SHA512
d76fe9c38a66892d42fc6a5394020b25c9811cc522ae47da590fd7740c09149c00baec189f9fca776d6d7259585919b4b13b1687db9f3efaaab38d04a18aeb70
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 4 IoCs
resource yara_rule behavioral2/memory/2880-119-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral2/memory/2880-120-0x0000000000412452-mapping.dmp family_stormkitty behavioral2/memory/3672-127-0x0000000000412452-mapping.dmp family_stormkitty behavioral2/memory/3976-136-0x0000000000412452-mapping.dmp family_stormkitty -
A310logger Executable 10 IoCs
resource yara_rule behavioral2/memory/2880-119-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral2/memory/2880-120-0x0000000000412452-mapping.dmp a310logger behavioral2/files/0x000200000001a4f4-123.dat a310logger behavioral2/files/0x000200000001a4f4-124.dat a310logger behavioral2/memory/3672-127-0x0000000000412452-mapping.dmp a310logger behavioral2/files/0x000400000001ab2b-131.dat a310logger behavioral2/files/0x000400000001ab2b-132.dat a310logger behavioral2/memory/3976-136-0x0000000000412452-mapping.dmp a310logger behavioral2/files/0x000500000001ab2b-139.dat a310logger behavioral2/files/0x000500000001ab2b-140.dat a310logger -
Executes dropped EXE 3 IoCs
pid Process 1848 MZ.exe 1676 MZ.exe 1900 MZ.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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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 11 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 656 set thread context of 3644 656 0000990008T.exe 75 PID 3644 set thread context of 2880 3644 0000990008T.exe 76 PID 3644 set thread context of 3672 3644 0000990008T.exe 81 PID 3644 set thread context of 3976 3644 0000990008T.exe 83 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 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 Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1848 MZ.exe 1848 MZ.exe 1676 MZ.exe 1676 MZ.exe 1900 MZ.exe 1900 MZ.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3644 0000990008T.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 656 0000990008T.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2880 InstallUtil.exe Token: SeDebugPrivilege 1848 MZ.exe Token: SeDebugPrivilege 3672 InstallUtil.exe Token: SeDebugPrivilege 1676 MZ.exe Token: SeDebugPrivilege 3976 InstallUtil.exe Token: SeDebugPrivilege 1900 MZ.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3644 0000990008T.exe 3644 0000990008T.exe -
Suspicious use of WriteProcessMemory 34 IoCs
description pid Process procid_target PID 656 wrote to memory of 3644 656 0000990008T.exe 75 PID 656 wrote to memory of 3644 656 0000990008T.exe 75 PID 656 wrote to memory of 3644 656 0000990008T.exe 75 PID 656 wrote to memory of 3644 656 0000990008T.exe 75 PID 3644 wrote to memory of 2880 3644 0000990008T.exe 76 PID 3644 wrote to memory of 2880 3644 0000990008T.exe 76 PID 3644 wrote to memory of 2880 3644 0000990008T.exe 76 PID 3644 wrote to memory of 2880 3644 0000990008T.exe 76 PID 3644 wrote to memory of 2880 3644 0000990008T.exe 76 PID 3644 wrote to memory of 2880 3644 0000990008T.exe 76 PID 3644 wrote to memory of 2880 3644 0000990008T.exe 76 PID 3644 wrote to memory of 2880 3644 0000990008T.exe 76 PID 2880 wrote to memory of 1848 2880 InstallUtil.exe 77 PID 2880 wrote to memory of 1848 2880 InstallUtil.exe 77 PID 3644 wrote to memory of 3672 3644 0000990008T.exe 81 PID 3644 wrote to memory of 3672 3644 0000990008T.exe 81 PID 3644 wrote to memory of 3672 3644 0000990008T.exe 81 PID 3644 wrote to memory of 3672 3644 0000990008T.exe 81 PID 3644 wrote to memory of 3672 3644 0000990008T.exe 81 PID 3644 wrote to memory of 3672 3644 0000990008T.exe 81 PID 3644 wrote to memory of 3672 3644 0000990008T.exe 81 PID 3644 wrote to memory of 3672 3644 0000990008T.exe 81 PID 3672 wrote to memory of 1676 3672 InstallUtil.exe 82 PID 3672 wrote to memory of 1676 3672 InstallUtil.exe 82 PID 3644 wrote to memory of 3976 3644 0000990008T.exe 83 PID 3644 wrote to memory of 3976 3644 0000990008T.exe 83 PID 3644 wrote to memory of 3976 3644 0000990008T.exe 83 PID 3644 wrote to memory of 3976 3644 0000990008T.exe 83 PID 3644 wrote to memory of 3976 3644 0000990008T.exe 83 PID 3644 wrote to memory of 3976 3644 0000990008T.exe 83 PID 3644 wrote to memory of 3976 3644 0000990008T.exe 83 PID 3644 wrote to memory of 3976 3644 0000990008T.exe 83 PID 3976 wrote to memory of 1900 3976 InstallUtil.exe 84 PID 3976 wrote to memory of 1900 3976 InstallUtil.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\0000990008T.exe"C:\Users\Admin\AppData\Local\Temp\0000990008T.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:656 -
C:\Users\Admin\AppData\Local\Temp\0000990008T.exe"C:\Users\Admin\AppData\Local\Temp\0000990008T.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3644 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2880 -
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:1848
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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⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3672 -
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:1676
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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⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3976 -
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:1900
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