Analysis
-
max time kernel
74s -
max time network
152s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
22-07-2021 13:44
Static task
static1
Behavioral task
behavioral1
Sample
0722_4617368714.xls
Resource
win7v20210408
Behavioral task
behavioral2
Sample
0722_4617368714.xls
Resource
win10v20210408
General
-
Target
0722_4617368714.xls
-
Size
343KB
-
MD5
b9b909ba415fd197adabd75170b9c7f8
-
SHA1
6ecf8ad51b9819fa60c7bf8926f3b0619d7add99
-
SHA256
5fb78700e3391da56aba59107389499a0efb5fb2057e11398e1129b3a118a633
-
SHA512
d666edc3afafc5d17e890cb9ddffbb1bea8e627eff896b93aefdf013e0f878db364dd9889629ef0c1f66b608ca0c6c4cf8811efa3ecbcb0e4a3d4a3c61e48116
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
-
Fickerstealer
Ficker is an infostealer written in Rust and ASM.
-
Hancitor
Hancitor is downloader used to deliver other malware families.
-
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 1064 792 rundll32.exe 24 -
Blocklisted process makes network request 3 IoCs
flow pid Process 6 1064 rundll32.exe 8 1064 rundll32.exe 10 1064 rundll32.exe -
Downloads MZ/PE file
-
Loads dropped DLL 4 IoCs
pid Process 1064 rundll32.exe 1064 rundll32.exe 1064 rundll32.exe 1064 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.
-
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
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 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1064 set thread context of 1540 1064 rundll32.exe 33 -
Office loads VBA resources, possible macro or embedded object present
-
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 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 Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\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 792 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1064 rundll32.exe 1064 rundll32.exe 1540 svchost.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 792 EXCEL.EXE 792 EXCEL.EXE 792 EXCEL.EXE -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 792 wrote to memory of 1064 792 EXCEL.EXE 29 PID 792 wrote to memory of 1064 792 EXCEL.EXE 29 PID 792 wrote to memory of 1064 792 EXCEL.EXE 29 PID 792 wrote to memory of 1064 792 EXCEL.EXE 29 PID 792 wrote to memory of 1064 792 EXCEL.EXE 29 PID 792 wrote to memory of 1064 792 EXCEL.EXE 29 PID 792 wrote to memory of 1064 792 EXCEL.EXE 29 PID 1064 wrote to memory of 1540 1064 rundll32.exe 33 PID 1064 wrote to memory of 1540 1064 rundll32.exe 33 PID 1064 wrote to memory of 1540 1064 rundll32.exe 33 PID 1064 wrote to memory of 1540 1064 rundll32.exe 33 PID 1064 wrote to memory of 1540 1064 rundll32.exe 33 PID 1064 wrote to memory of 1540 1064 rundll32.exe 33
Processes
-
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_4617368714.xls1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:792 -
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:1064 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\System32\svchost.exe3⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1540
-
-