Analysis
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max time kernel
143s -
max time network
190s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
22-07-2021 13:43
Static task
static1
Behavioral task
behavioral1
Sample
0722_5065418752.xls
Resource
win7v20210410
Behavioral task
behavioral2
Sample
0722_5065418752.xls
Resource
win10v20210408
General
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Target
0722_5065418752.xls
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Size
343KB
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MD5
b11b59f8b566048f4d57962eea548076
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SHA1
ce410e9091d92cacca15afb770311e069e9efa44
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SHA256
166e48faaaae49f2d925c49d0febf96f0c9c8acd7457c1b542a60227b9068e4c
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SHA512
7943bfadf3b9c2d1fe836cfdcf66e0f23a849a5ba35d28d6257abb3f8342315087932d2e32d10a932e3d54bcbe5d5faf3398d195e135dad52eda7811961de3e4
Malware Config
Extracted
hancitor
2207_xwpi67
http://tholeferli.com/8/forum.php
http://aidgodown.ru/8/forum.php
http://relifleappin.ru/8/forum.php
Extracted
fickerstealer
pospvisis.com:80
Signatures
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Fickerstealer
Ficker is an infostealer written in Rust and ASM.
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Hancitor
Hancitor is downloader used to deliver other malware families.
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 720 2016 rundll32.exe 24 -
Blocklisted process makes network request 4 IoCs
flow pid Process 7 720 rundll32.exe 9 720 rundll32.exe 11 720 rundll32.exe 17 720 rundll32.exe -
Downloads MZ/PE file
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Loads dropped DLL 4 IoCs
pid Process 720 rundll32.exe 720 rundll32.exe 720 rundll32.exe 720 rundll32.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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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 6 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 720 set thread context of 932 720 rundll32.exe 33 -
Office loads VBA resources, possible macro or embedded object present
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Checks processor information in registry 2 TTPs 2 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\ProcessorNameString svchost.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 svchost.exe -
Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2016 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 720 rundll32.exe 720 rundll32.exe 932 svchost.exe 720 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2016 EXCEL.EXE 2016 EXCEL.EXE 2016 EXCEL.EXE -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2016 wrote to memory of 720 2016 EXCEL.EXE 29 PID 2016 wrote to memory of 720 2016 EXCEL.EXE 29 PID 2016 wrote to memory of 720 2016 EXCEL.EXE 29 PID 2016 wrote to memory of 720 2016 EXCEL.EXE 29 PID 2016 wrote to memory of 720 2016 EXCEL.EXE 29 PID 2016 wrote to memory of 720 2016 EXCEL.EXE 29 PID 2016 wrote to memory of 720 2016 EXCEL.EXE 29 PID 720 wrote to memory of 932 720 rundll32.exe 33 PID 720 wrote to memory of 932 720 rundll32.exe 33 PID 720 wrote to memory of 932 720 rundll32.exe 33 PID 720 wrote to memory of 932 720 rundll32.exe 33 PID 720 wrote to memory of 932 720 rundll32.exe 33 PID 720 wrote to memory of 932 720 rundll32.exe 33
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\0722_5065418752.xls1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2016 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\omsh.dll,SHIIJGLGNAB2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:720 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\System32\svchost.exe3⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:932
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