Analysis Overview
SHA256
fe62ee36d2ee6bedf3181beb5880115696396a51fe65870ade1a0af60a22f128
Threat Level: Known bad
The file 0721_8261570716.xls was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Hancitor
Fickerstealer
Suspicious Office macro
Downloads MZ/PE file
Blocklisted process makes network request
Office macro that triggers on suspicious action
Reads local data of messenger clients
Loads dropped DLL
Looks up external IP address via web service
Accesses cryptocurrency files/wallets, possible credential harvesting
Suspicious use of SetThreadContext
Office loads VBA resources, possible macro or embedded object present
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Modifies Internet Explorer settings
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-07-21 14:44
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
2021-07-21 14:44
Reported
2021-07-21 14:47
Platform
win7v20210408
Max time kernel
72s
Max time network
173s
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 |
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 1408 set thread context of 328 | 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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| 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" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" | 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\0721_8261570716.xls
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\omsh.dll,ENHXQBJGBHX
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 | 23.21.173.155:80 | api.ipify.org | tcp |
| N/A | 8.8.8.8:53 | thervidolown.com | udp |
| N/A | 85.10.222.114:80 | thervidolown.com | tcp |
| N/A | 8.8.8.8:53 | falan4zadron.ru | udp |
| N/A | 8.211.241.0:80 | falan4zadron.ru | tcp |
| N/A | 23.21.173.155:80 | 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/1632-60-0x000000002FFC1000-0x000000002FFC4000-memory.dmp
memory/1632-61-0x0000000070D71000-0x0000000070D73000-memory.dmp
memory/1632-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/1408-63-0x0000000000000000-mapping.dmp
memory/1408-64-0x0000000075041000-0x0000000075043000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\omsh.dll
| MD5 | 24190cd699631d16521dfb588b2571a3 |
| SHA1 | 546a86929e82babd0ee6f970d7729e3bf6a14698 |
| SHA256 | 99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6 |
| SHA512 | fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21 |
\Users\Admin\AppData\Local\Temp\omsh.dll
| MD5 | 24190cd699631d16521dfb588b2571a3 |
| SHA1 | 546a86929e82babd0ee6f970d7729e3bf6a14698 |
| SHA256 | 99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6 |
| SHA512 | fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21 |
\Users\Admin\AppData\Local\Temp\omsh.dll
| MD5 | 24190cd699631d16521dfb588b2571a3 |
| SHA1 | 546a86929e82babd0ee6f970d7729e3bf6a14698 |
| SHA256 | 99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6 |
| SHA512 | fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21 |
\Users\Admin\AppData\Local\Temp\omsh.dll
| MD5 | 24190cd699631d16521dfb588b2571a3 |
| SHA1 | 546a86929e82babd0ee6f970d7729e3bf6a14698 |
| SHA256 | 99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6 |
| SHA512 | fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21 |
\Users\Admin\AppData\Local\Temp\omsh.dll
| MD5 | 24190cd699631d16521dfb588b2571a3 |
| SHA1 | 546a86929e82babd0ee6f970d7729e3bf6a14698 |
| SHA256 | 99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6 |
| SHA512 | fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21 |
memory/1408-70-0x0000000000260000-0x0000000000330000-memory.dmp
memory/1408-71-0x0000000000260000-0x000000000026A000-memory.dmp
memory/1408-72-0x00000000000B0000-0x00000000000B1000-memory.dmp
memory/328-73-0x0000000000400000-0x0000000000448000-memory.dmp
memory/328-74-0x0000000000401480-mapping.dmp
memory/328-76-0x0000000000400000-0x0000000000448000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2021-07-21 14:44
Reported
2021-07-21 14:46
Platform
win10v20210408
Max time kernel
109s
Max time network
144s
Command Line
Signatures
Hancitor
Process spawned unexpected child process
| Description | Indicator | Process | Target |
| Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process | N/A | C:\Windows\System32\rundll32.exe | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE |
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 |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
NTFS ADS
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Local\Temp\{17DB6DC3-C354-45A3-826D-91E086D2BE58}\123.dll:Zone.Identifier | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\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 |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 672 wrote to memory of 424 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\System32\rundll32.exe |
| PID 672 wrote to memory of 424 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\System32\rundll32.exe |
| PID 424 wrote to memory of 808 | N/A | C:\Windows\System32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 424 wrote to memory of 808 | N/A | C:\Windows\System32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 424 wrote to memory of 808 | N/A | C:\Windows\System32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 808 wrote to memory of 2952 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 808 wrote to memory of 2952 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 808 wrote to memory of 2952 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\svchost.exe |
Processes
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\0721_8261570716.xls"
C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\omsh.dll,ENHXQBJGBHX
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\omsh.dll,ENHXQBJGBHX
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 | 54.225.245.108:80 | api.ipify.org | tcp |
| N/A | 8.8.8.8:53 | thervidolown.com | udp |
| N/A | 85.10.222.114:80 | thervidolown.com | tcp |
| N/A | 8.8.8.8:53 | falan4zadron.ru | udp |
| N/A | 8.211.241.0:80 | falan4zadron.ru | tcp |
Files
memory/672-114-0x00007FF784640000-0x00007FF787BF6000-memory.dmp
memory/672-115-0x00007FFCEFED0000-0x00007FFCEFEE0000-memory.dmp
memory/672-116-0x00007FFCEFED0000-0x00007FFCEFEE0000-memory.dmp
memory/672-117-0x00007FFCEFED0000-0x00007FFCEFEE0000-memory.dmp
memory/672-118-0x00007FFCEFED0000-0x00007FFCEFEE0000-memory.dmp
memory/672-119-0x00007FFCEFED0000-0x00007FFCEFEE0000-memory.dmp
memory/672-122-0x00007FFD10780000-0x00007FFD1186E000-memory.dmp
memory/672-123-0x0000023B9E080000-0x0000023B9FF75000-memory.dmp
memory/424-276-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\omsh.dll
| MD5 | 24190cd699631d16521dfb588b2571a3 |
| SHA1 | 546a86929e82babd0ee6f970d7729e3bf6a14698 |
| SHA256 | 99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6 |
| SHA512 | fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21 |
memory/808-284-0x0000000000000000-mapping.dmp
\Users\Admin\AppData\Local\Temp\omsh.dll
| MD5 | 24190cd699631d16521dfb588b2571a3 |
| SHA1 | 546a86929e82babd0ee6f970d7729e3bf6a14698 |
| SHA256 | 99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6 |
| SHA512 | fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21 |
memory/808-294-0x0000000002E00000-0x0000000002ED0000-memory.dmp
\Users\Admin\AppData\Local\Temp\omsh.dll
| MD5 | 24190cd699631d16521dfb588b2571a3 |
| SHA1 | 546a86929e82babd0ee6f970d7729e3bf6a14698 |
| SHA256 | 99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6 |
| SHA512 | fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21 |
memory/808-295-0x0000000002E00000-0x0000000002E0A000-memory.dmp
memory/808-296-0x0000000002E01000-0x0000000002E22000-memory.dmp
memory/808-297-0x0000000002BD0000-0x0000000002BD1000-memory.dmp
memory/672-331-0x00007FFCEFED0000-0x00007FFCEFEE0000-memory.dmp
memory/672-332-0x00007FFCEFED0000-0x00007FFCEFEE0000-memory.dmp
memory/672-333-0x00007FFCEFED0000-0x00007FFCEFEE0000-memory.dmp
memory/672-334-0x00007FFCEFED0000-0x00007FFCEFEE0000-memory.dmp