Analysis
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max time kernel
153s -
max time network
15s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
27-08-2021 02:44
Static task
static1
Behavioral task
behavioral1
Sample
DC9087009000.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
DC9087009000.exe
Resource
win10v20210408
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 2 IoCs
Processes:
resource yara_rule behavioral1/memory/1928-71-0x0000000000412452-mapping.dmp family_stormkitty behavioral1/memory/1928-70-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty -
A310logger Executable 5 IoCs
Processes:
resource yara_rule behavioral1/memory/1928-71-0x0000000000412452-mapping.dmp a310logger behavioral1/memory/1928-70-0x0000000000400000-0x0000000000418000-memory.dmp a310logger \Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe a310logger C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe a310logger C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe a310logger -
Executes dropped EXE 1 IoCs
Processes:
MZ.exepid process 520 MZ.exe -
Loads dropped DLL 1 IoCs
Processes:
InstallUtil.exepid process 1928 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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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 5 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 2 IoCs
Processes:
DC9087009000.exeDC9087009000.exedescription pid process target process PID 1072 set thread context of 1396 1072 DC9087009000.exe DC9087009000.exe PID 1396 set thread context of 1928 1396 DC9087009000.exe InstallUtil.exe -
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 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
InstallUtil.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 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MZ.exepid process 520 MZ.exe 520 MZ.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
DC9087009000.exepid process 1396 DC9087009000.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MZ.exedescription pid process Token: SeDebugPrivilege 520 MZ.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
DC9087009000.exepid process 1396 DC9087009000.exe 1396 DC9087009000.exe -
Suspicious use of WriteProcessMemory 25 IoCs
Processes:
DC9087009000.exeDC9087009000.exeInstallUtil.exedescription pid process target process PID 1072 wrote to memory of 1396 1072 DC9087009000.exe DC9087009000.exe PID 1072 wrote to memory of 1396 1072 DC9087009000.exe DC9087009000.exe PID 1072 wrote to memory of 1396 1072 DC9087009000.exe DC9087009000.exe PID 1072 wrote to memory of 1396 1072 DC9087009000.exe DC9087009000.exe PID 1072 wrote to memory of 1396 1072 DC9087009000.exe DC9087009000.exe PID 1072 wrote to memory of 1396 1072 DC9087009000.exe DC9087009000.exe PID 1072 wrote to memory of 1396 1072 DC9087009000.exe DC9087009000.exe PID 1072 wrote to memory of 1396 1072 DC9087009000.exe DC9087009000.exe PID 1072 wrote to memory of 1396 1072 DC9087009000.exe DC9087009000.exe PID 1396 wrote to memory of 1928 1396 DC9087009000.exe InstallUtil.exe PID 1396 wrote to memory of 1928 1396 DC9087009000.exe InstallUtil.exe PID 1396 wrote to memory of 1928 1396 DC9087009000.exe InstallUtil.exe PID 1396 wrote to memory of 1928 1396 DC9087009000.exe InstallUtil.exe PID 1396 wrote to memory of 1928 1396 DC9087009000.exe InstallUtil.exe PID 1396 wrote to memory of 1928 1396 DC9087009000.exe InstallUtil.exe PID 1396 wrote to memory of 1928 1396 DC9087009000.exe InstallUtil.exe PID 1396 wrote to memory of 1928 1396 DC9087009000.exe InstallUtil.exe PID 1396 wrote to memory of 1928 1396 DC9087009000.exe InstallUtil.exe PID 1396 wrote to memory of 1928 1396 DC9087009000.exe InstallUtil.exe PID 1396 wrote to memory of 1928 1396 DC9087009000.exe InstallUtil.exe PID 1396 wrote to memory of 1928 1396 DC9087009000.exe InstallUtil.exe PID 1928 wrote to memory of 520 1928 InstallUtil.exe MZ.exe PID 1928 wrote to memory of 520 1928 InstallUtil.exe MZ.exe PID 1928 wrote to memory of 520 1928 InstallUtil.exe MZ.exe PID 1928 wrote to memory of 520 1928 InstallUtil.exe MZ.exe
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 use of WriteProcessMemory
PID:1072 -
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:1396 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1928 -
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:520
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
1bad0cbd09b05a21157d8255dc801778
SHA1ff284bba12f011b72e20d4c9537d6c455cdbf228
SHA256218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9
SHA5124fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533
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MD5
1bad0cbd09b05a21157d8255dc801778
SHA1ff284bba12f011b72e20d4c9537d6c455cdbf228
SHA256218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9
SHA5124fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533
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MD5
1bad0cbd09b05a21157d8255dc801778
SHA1ff284bba12f011b72e20d4c9537d6c455cdbf228
SHA256218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9
SHA5124fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533