Analysis
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max time kernel
111s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 17:11
Static task
static1
Behavioral task
behavioral1
Sample
abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe
Resource
win10v2004-20220901-en
General
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Target
abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe
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Size
443KB
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MD5
5433b8670bab92b5054e45d610a9398c
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SHA1
4e6f141f43c8615dca31573abeaedab1291bde4a
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SHA256
abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65
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SHA512
7c8e46d22f15aa0e2180a2c150e8bb5b86ce97f074492c0db2dd4f1926b8524ce10d237c28d74c66d72cff3a8f21069a2b2bdfcbb144a960be40a127da77e14b
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SSDEEP
6144:PNqfRDSc5H1cxVApGhf165aWktv1C2ibXkR6GAS5o4BPtEYuCKdakVO:PNv+SnAaf165atG2ibw1vqOPbuCKdac
Malware Config
Signatures
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Nirsoft 3 IoCs
Processes:
resource yara_rule behavioral2/memory/3660-138-0x0000000000400000-0x0000000000418000-memory.dmp Nirsoft behavioral2/memory/3660-140-0x0000000000400000-0x0000000000418000-memory.dmp Nirsoft behavioral2/memory/3660-141-0x0000000000400000-0x0000000000418000-memory.dmp Nirsoft -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe -
Drops startup file 2 IoCs
Processes:
cmd.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe cmd.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe cmd.exe -
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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Uses the VBS compiler for execution 1 TTPs
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
reg.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Example = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Example.exe" reg.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 11 bot.whatismyipaddress.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exedescription pid process target process PID 1724 set thread context of 3660 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe vbc.exe -
Drops file in Windows directory 1 IoCs
Processes:
dw20.exedescription ioc process File created C:\Windows\AppCompat\Programs\Amcache.hve.tmp dw20.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 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
dw20.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dw20.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
dw20.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dw20.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dw20.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exepid process 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exedw20.exedescription pid process Token: SeDebugPrivilege 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe Token: SeRestorePrivilege 4144 dw20.exe Token: SeBackupPrivilege 4144 dw20.exe Token: SeBackupPrivilege 4144 dw20.exe Token: SeBackupPrivilege 4144 dw20.exe Token: SeBackupPrivilege 4144 dw20.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exepid process 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.execmd.exedescription pid process target process PID 1724 wrote to memory of 3508 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe cmd.exe PID 1724 wrote to memory of 3508 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe cmd.exe PID 1724 wrote to memory of 3508 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe cmd.exe PID 1724 wrote to memory of 4456 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe cmd.exe PID 1724 wrote to memory of 4456 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe cmd.exe PID 1724 wrote to memory of 4456 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe cmd.exe PID 4456 wrote to memory of 4052 4456 cmd.exe reg.exe PID 4456 wrote to memory of 4052 4456 cmd.exe reg.exe PID 4456 wrote to memory of 4052 4456 cmd.exe reg.exe PID 1724 wrote to memory of 4144 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe dw20.exe PID 1724 wrote to memory of 4144 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe dw20.exe PID 1724 wrote to memory of 4144 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe dw20.exe PID 1724 wrote to memory of 3660 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe vbc.exe PID 1724 wrote to memory of 3660 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe vbc.exe PID 1724 wrote to memory of 3660 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe vbc.exe PID 1724 wrote to memory of 3660 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe vbc.exe PID 1724 wrote to memory of 3660 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe vbc.exe PID 1724 wrote to memory of 3660 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe vbc.exe PID 1724 wrote to memory of 3660 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe vbc.exe PID 1724 wrote to memory of 3660 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe vbc.exe PID 1724 wrote to memory of 3660 1724 abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe"C:\Users\Admin\AppData\Local\Temp\abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c copy /z "C:\Users\Admin\AppData\Local\Temp\abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\abe8d333f59ea071a98d9c9a70005a746c472f9faf211d968e0143bd508efb65.exe"2⤵
- Drops startup file
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Example" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Example.exe2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exereg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Example" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Example.exe3⤵
- Adds Run key to start application
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 25522⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\logff.txt2⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1724-132-0x0000000074F10000-0x00000000754C1000-memory.dmpFilesize
5.7MB
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memory/1724-142-0x0000000074F10000-0x00000000754C1000-memory.dmpFilesize
5.7MB
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memory/3508-133-0x0000000000000000-mapping.dmp
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memory/3660-137-0x0000000000000000-mapping.dmp
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memory/3660-138-0x0000000000400000-0x0000000000418000-memory.dmpFilesize
96KB
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memory/3660-140-0x0000000000400000-0x0000000000418000-memory.dmpFilesize
96KB
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memory/3660-141-0x0000000000400000-0x0000000000418000-memory.dmpFilesize
96KB
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memory/4052-135-0x0000000000000000-mapping.dmp
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memory/4144-136-0x0000000000000000-mapping.dmp
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memory/4456-134-0x0000000000000000-mapping.dmp