Analysis
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max time kernel
153s -
max time network
135s -
platform
windows10_x64 -
resource
win10-en -
submitted
04-09-2021 07:04
Static task
static1
Behavioral task
behavioral1
Sample
DC9087009000.exe
Resource
win7-en
Behavioral task
behavioral2
Sample
DC9087009000.exe
Resource
win10-en
General
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Target
DC9087009000.exe
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Size
564KB
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MD5
1a38c8b2bd82b0c0efd9bcdd6a02d5c8
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SHA1
6ce1c0fb181c34931809ceac48d36c7c2b40e769
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SHA256
99725d77056555125ea584b0ea92984abdb963950773181c61808a45ab3905a4
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SHA512
0b29c653c15552ee2dde3e3acae1397f8642d4f26d635b9d3f5b25e1aafb25d6df1f78053d5cbc4ebf43c0ffda6f1ef2e8f0b367e0480dec5bcfc2c2a409ae7a
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/3108-126-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral2/memory/3108-127-0x0000000000412452-mapping.dmp family_stormkitty behavioral2/memory/1028-135-0x0000000000412452-mapping.dmp family_stormkitty behavioral2/memory/3568-143-0x0000000000412452-mapping.dmp family_stormkitty -
A310logger Executable 10 IoCs
resource yara_rule behavioral2/memory/3108-126-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral2/memory/3108-127-0x0000000000412452-mapping.dmp a310logger behavioral2/files/0x000500000000ff5d-132.dat a310logger behavioral2/files/0x000500000000ff5d-131.dat a310logger behavioral2/memory/1028-135-0x0000000000412452-mapping.dmp a310logger behavioral2/files/0x000800000001ab37-139.dat a310logger behavioral2/files/0x000800000001ab37-140.dat a310logger behavioral2/memory/3568-143-0x0000000000412452-mapping.dmp a310logger behavioral2/files/0x000900000001ab37-146.dat a310logger behavioral2/files/0x000900000001ab37-147.dat a310logger -
Executes dropped EXE 3 IoCs
pid Process 1700 MZ.exe 1700 MZ.exe 652 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 12 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 716 set thread context of 2616 716 DC9087009000.exe 78 PID 2616 set thread context of 3108 2616 DC9087009000.exe 80 PID 2616 set thread context of 1028 2616 DC9087009000.exe 85 PID 2616 set thread context of 3568 2616 DC9087009000.exe 87 -
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 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 12 IoCs
pid Process 716 DC9087009000.exe 716 DC9087009000.exe 716 DC9087009000.exe 716 DC9087009000.exe 716 DC9087009000.exe 716 DC9087009000.exe 1700 MZ.exe 1700 MZ.exe 1700 MZ.exe 1700 MZ.exe 652 MZ.exe 652 MZ.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2616 DC9087009000.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 716 DC9087009000.exe Token: SeDebugPrivilege 3108 InstallUtil.exe Token: SeDebugPrivilege 1700 MZ.exe Token: SeDebugPrivilege 1028 InstallUtil.exe Token: SeDebugPrivilege 1700 MZ.exe Token: SeDebugPrivilege 3568 InstallUtil.exe Token: SeDebugPrivilege 652 MZ.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2616 DC9087009000.exe 2616 DC9087009000.exe -
Suspicious use of WriteProcessMemory 47 IoCs
description pid Process procid_target PID 716 wrote to memory of 2364 716 DC9087009000.exe 75 PID 716 wrote to memory of 2364 716 DC9087009000.exe 75 PID 716 wrote to memory of 2364 716 DC9087009000.exe 75 PID 716 wrote to memory of 2392 716 DC9087009000.exe 76 PID 716 wrote to memory of 2392 716 DC9087009000.exe 76 PID 716 wrote to memory of 2392 716 DC9087009000.exe 76 PID 716 wrote to memory of 2564 716 DC9087009000.exe 77 PID 716 wrote to memory of 2564 716 DC9087009000.exe 77 PID 716 wrote to memory of 2564 716 DC9087009000.exe 77 PID 716 wrote to memory of 2616 716 DC9087009000.exe 78 PID 716 wrote to memory of 2616 716 DC9087009000.exe 78 PID 716 wrote to memory of 2616 716 DC9087009000.exe 78 PID 716 wrote to memory of 2616 716 DC9087009000.exe 78 PID 716 wrote to memory of 2616 716 DC9087009000.exe 78 PID 716 wrote to memory of 2616 716 DC9087009000.exe 78 PID 716 wrote to memory of 2616 716 DC9087009000.exe 78 PID 716 wrote to memory of 2616 716 DC9087009000.exe 78 PID 2616 wrote to memory of 3108 2616 DC9087009000.exe 80 PID 2616 wrote to memory of 3108 2616 DC9087009000.exe 80 PID 2616 wrote to memory of 3108 2616 DC9087009000.exe 80 PID 2616 wrote to memory of 3108 2616 DC9087009000.exe 80 PID 2616 wrote to memory of 3108 2616 DC9087009000.exe 80 PID 2616 wrote to memory of 3108 2616 DC9087009000.exe 80 PID 2616 wrote to memory of 3108 2616 DC9087009000.exe 80 PID 2616 wrote to memory of 3108 2616 DC9087009000.exe 80 PID 3108 wrote to memory of 1700 3108 InstallUtil.exe 81 PID 3108 wrote to memory of 1700 3108 InstallUtil.exe 81 PID 2616 wrote to memory of 1028 2616 DC9087009000.exe 85 PID 2616 wrote to memory of 1028 2616 DC9087009000.exe 85 PID 2616 wrote to memory of 1028 2616 DC9087009000.exe 85 PID 2616 wrote to memory of 1028 2616 DC9087009000.exe 85 PID 2616 wrote to memory of 1028 2616 DC9087009000.exe 85 PID 2616 wrote to memory of 1028 2616 DC9087009000.exe 85 PID 2616 wrote to memory of 1028 2616 DC9087009000.exe 85 PID 2616 wrote to memory of 1028 2616 DC9087009000.exe 85 PID 1028 wrote to memory of 1700 1028 InstallUtil.exe 86 PID 1028 wrote to memory of 1700 1028 InstallUtil.exe 86 PID 2616 wrote to memory of 3568 2616 DC9087009000.exe 87 PID 2616 wrote to memory of 3568 2616 DC9087009000.exe 87 PID 2616 wrote to memory of 3568 2616 DC9087009000.exe 87 PID 2616 wrote to memory of 3568 2616 DC9087009000.exe 87 PID 2616 wrote to memory of 3568 2616 DC9087009000.exe 87 PID 2616 wrote to memory of 3568 2616 DC9087009000.exe 87 PID 2616 wrote to memory of 3568 2616 DC9087009000.exe 87 PID 2616 wrote to memory of 3568 2616 DC9087009000.exe 87 PID 3568 wrote to memory of 652 3568 InstallUtil.exe 88 PID 3568 wrote to memory of 652 3568 InstallUtil.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\DC9087009000.exe"C:\Users\Admin\AppData\Local\Temp\DC9087009000.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:716 -
C:\Users\Admin\AppData\Local\Temp\DC9087009000.exe"C:\Users\Admin\AppData\Local\Temp\DC9087009000.exe"2⤵PID:2364
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C:\Users\Admin\AppData\Local\Temp\DC9087009000.exe"C:\Users\Admin\AppData\Local\Temp\DC9087009000.exe"2⤵PID:2392
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C:\Users\Admin\AppData\Local\Temp\DC9087009000.exe"C:\Users\Admin\AppData\Local\Temp\DC9087009000.exe"2⤵PID:2564
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C:\Users\Admin\AppData\Local\Temp\DC9087009000.exe"C:\Users\Admin\AppData\Local\Temp\DC9087009000.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2616 -
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:3108 -
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:1700
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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:1028 -
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:1700
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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:3568 -
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:652
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