Analysis Overview
SHA256
5fb78700e3391da56aba59107389499a0efb5fb2057e11398e1129b3a118a633
Threat Level: Known bad
The file 20210722_181207_5fb78700e3391da56aba59107389499a0efb5fb2057e11398e1129b3a118a633_0722_1086163762.xls was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
suricata: ET MALWARE Win32/Ficker Stealer Activity M3
Fickerstealer
suricata: ET MALWARE Win32/Ficker Stealer Activity
Hancitor
Office macro that triggers on suspicious action
Suspicious Office macro
Blocklisted process makes network request
Downloads MZ/PE file
Reads local data of messenger clients
Loads dropped DLL
Accesses cryptocurrency files/wallets, possible credential harvesting
Looks up external IP address via web service
Suspicious use of SetThreadContext
Office loads VBA resources, possible macro or embedded object present
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: AddClipboardFormatListener
Checks processor information in registry
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-07-22 18:14
Signatures
Office macro that triggers on suspicious action
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2021-07-22 18:14
Reported
2021-07-22 18:16
Platform
win7v20210410
Max time kernel
70s
Max time network
104s
Command Line
Signatures
Fickerstealer
Hancitor
Process spawned unexpected child process
| Description | Indicator | Process | Target |
| Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE |
suricata: ET MALWARE Win32/Ficker Stealer Activity
suricata: ET MALWARE Win32/Ficker Stealer Activity M3
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Downloads MZ/PE file
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Reads local data of messenger clients
Accesses cryptocurrency files/wallets, possible credential harvesting
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1348 set thread context of 548 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\svchost.exe |
Office loads VBA resources, possible macro or embedded object present
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\SysWOW64\svchost.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| 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" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| 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" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| 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" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
Suspicious use of WriteProcessMemory
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\20210722_181207_5fb78700e3391da56aba59107389499a0efb5fb2057e11398e1129b3a118a633_0722_1086163762.xls
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\omsh.dll,SHIIJGLGNAB
C:\Windows\SysWOW64\svchost.exe
C:\Windows\System32\svchost.exe
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | api.ipify.org | udp |
| N/A | 50.16.220.248:80 | api.ipify.org | tcp |
| N/A | 8.8.8.8:53 | tholeferli.com | udp |
| N/A | 194.147.115.74:80 | tholeferli.com | tcp |
| N/A | 8.8.8.8:53 | s0lom0n.ru | udp |
| N/A | 8.211.241.0:80 | s0lom0n.ru | tcp |
| N/A | 50.16.220.248:80 | api.ipify.org | tcp |
| N/A | 8.8.8.8:53 | pospvisis.com | udp |
| N/A | 95.213.179.67:80 | pospvisis.com | tcp |
| N/A | 95.213.179.67:80 | pospvisis.com | tcp |
Files
memory/772-60-0x000000002F231000-0x000000002F234000-memory.dmp
memory/772-61-0x0000000071981000-0x0000000071983000-memory.dmp
memory/772-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/1348-63-0x0000000000000000-mapping.dmp
memory/1348-64-0x0000000075EF1000-0x0000000075EF3000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\omsh.dll
| MD5 | 7348620f737ec1b0997cae7548344f2c |
| SHA1 | 5550f62fdc0963c331b460f8a967c45d481e505a |
| SHA256 | 8efac1531e83525bb0806eebca0bb9a797a18feb1848a4ceee4a88fdb85cbbbd |
| SHA512 | 568babf18ba8ad33c9756e43610172361132f076bb4601e0e046317a30a298da453219f43a2b5ffafc5c535e4ca62ffff622ae7bf084efba786946b880f9ddb6 |
\Users\Admin\AppData\Local\Temp\omsh.dll
| MD5 | 7348620f737ec1b0997cae7548344f2c |
| SHA1 | 5550f62fdc0963c331b460f8a967c45d481e505a |
| SHA256 | 8efac1531e83525bb0806eebca0bb9a797a18feb1848a4ceee4a88fdb85cbbbd |
| SHA512 | 568babf18ba8ad33c9756e43610172361132f076bb4601e0e046317a30a298da453219f43a2b5ffafc5c535e4ca62ffff622ae7bf084efba786946b880f9ddb6 |
\Users\Admin\AppData\Local\Temp\omsh.dll
| MD5 | 7348620f737ec1b0997cae7548344f2c |
| SHA1 | 5550f62fdc0963c331b460f8a967c45d481e505a |
| SHA256 | 8efac1531e83525bb0806eebca0bb9a797a18feb1848a4ceee4a88fdb85cbbbd |
| SHA512 | 568babf18ba8ad33c9756e43610172361132f076bb4601e0e046317a30a298da453219f43a2b5ffafc5c535e4ca62ffff622ae7bf084efba786946b880f9ddb6 |
\Users\Admin\AppData\Local\Temp\omsh.dll
| MD5 | 7348620f737ec1b0997cae7548344f2c |
| SHA1 | 5550f62fdc0963c331b460f8a967c45d481e505a |
| SHA256 | 8efac1531e83525bb0806eebca0bb9a797a18feb1848a4ceee4a88fdb85cbbbd |
| SHA512 | 568babf18ba8ad33c9756e43610172361132f076bb4601e0e046317a30a298da453219f43a2b5ffafc5c535e4ca62ffff622ae7bf084efba786946b880f9ddb6 |
memory/1348-70-0x00000000007F0000-0x00000000008B6000-memory.dmp
\Users\Admin\AppData\Local\Temp\omsh.dll
| MD5 | 7348620f737ec1b0997cae7548344f2c |
| SHA1 | 5550f62fdc0963c331b460f8a967c45d481e505a |
| SHA256 | 8efac1531e83525bb0806eebca0bb9a797a18feb1848a4ceee4a88fdb85cbbbd |
| SHA512 | 568babf18ba8ad33c9756e43610172361132f076bb4601e0e046317a30a298da453219f43a2b5ffafc5c535e4ca62ffff622ae7bf084efba786946b880f9ddb6 |
memory/1348-71-0x0000000000160000-0x0000000000161000-memory.dmp
memory/1348-72-0x00000000007F0000-0x00000000007FA000-memory.dmp
memory/548-73-0x0000000000400000-0x0000000000448000-memory.dmp
memory/548-74-0x0000000000401480-mapping.dmp
memory/548-76-0x0000000000400000-0x0000000000448000-memory.dmp