Analysis Overview
SHA256
e746a6d562555f4d2f840727c9a9f8967dddcf100bd8d5f48a6209b76dd43375
Threat Level: Known bad
The file 0721_6141824377.xls was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Fickerstealer
Hancitor
Suspicious Office macro
Blocklisted process makes network request
Office macro that triggers on suspicious action
Downloads MZ/PE file
Loads dropped DLL
Reads local data of messenger clients
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
NTFS ADS
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Enumerates system info in registry
Checks processor information in registry
Suspicious behavior: AddClipboardFormatListener
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-07-21 14:49
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 14:49
Reported
2021-07-21 14:54
Platform
win7v20210408
Max time kernel
186s
Max time network
293s
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 |
| 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 1668 set thread context of 1340 | 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 |
| 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\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 |
| 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 |
| 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 |
| 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 |
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 |
| 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 (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 |
| 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_6141824377.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 | 50.16.238.218:80 | 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 | 50.16.238.218:80 | 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 |
| N/A | 85.10.222.114:80 | thervidolown.com | tcp |
Files
memory/1796-60-0x000000002F861000-0x000000002F864000-memory.dmp
memory/1796-61-0x0000000071B81000-0x0000000071B83000-memory.dmp
memory/1796-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/1668-63-0x0000000000000000-mapping.dmp
memory/1668-64-0x0000000076A01000-0x0000000076A03000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\omsh.dll
| MD5 | 24190cd699631d16521dfb588b2571a3 |
| SHA1 | 546a86929e82babd0ee6f970d7729e3bf6a14698 |
| SHA256 | 99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6 |
| SHA512 | fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21 |
memory/1668-70-0x0000000000180000-0x0000000000250000-memory.dmp
\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/1796-71-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/1668-72-0x0000000000180000-0x000000000018A000-memory.dmp
memory/1668-73-0x00000000000B0000-0x00000000000B1000-memory.dmp
memory/1340-74-0x0000000000400000-0x0000000000448000-memory.dmp
memory/1340-75-0x0000000000401480-mapping.dmp
memory/1340-77-0x0000000000400000-0x0000000000448000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2021-07-21 14:49
Reported
2021-07-21 14:54
Platform
win10v20210410
Max time kernel
300s
Max time network
288s
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 |
| 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 opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| 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 |
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\{CBA7CD61-7222-46FE-B0E4-A482EBE19E5A}\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 |
| 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 3424 wrote to memory of 3384 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\System32\rundll32.exe |
| PID 3424 wrote to memory of 3384 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\System32\rundll32.exe |
| PID 3384 wrote to memory of 1652 | N/A | C:\Windows\System32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3384 wrote to memory of 1652 | N/A | C:\Windows\System32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3384 wrote to memory of 1652 | N/A | C:\Windows\System32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1652 wrote to memory of 3928 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 1652 wrote to memory of 3928 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 1652 wrote to memory of 3928 | 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_6141824377.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 | 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 | 85.10.222.114:80 | thervidolown.com | tcp |
| N/A | 8.8.8.8:53 | udp | |
| N/A | 52.114.32.25:443 | tcp |
Files
memory/3424-114-0x00007FF6D81B0000-0x00007FF6DB766000-memory.dmp
memory/3424-115-0x00007FF810580000-0x00007FF810590000-memory.dmp
memory/3424-116-0x00007FF810580000-0x00007FF810590000-memory.dmp
memory/3424-117-0x00007FF810580000-0x00007FF810590000-memory.dmp
memory/3424-118-0x00007FF810580000-0x00007FF810590000-memory.dmp
memory/3424-121-0x00007FF810580000-0x00007FF810590000-memory.dmp
memory/3424-122-0x00007FF8305D0000-0x00007FF8316BE000-memory.dmp
memory/3424-123-0x00007FF82E6D0000-0x00007FF8305C5000-memory.dmp
memory/3384-278-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\omsh.dll
| MD5 | 24190cd699631d16521dfb588b2571a3 |
| SHA1 | 546a86929e82babd0ee6f970d7729e3bf6a14698 |
| SHA256 | 99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6 |
| SHA512 | fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21 |
memory/1652-283-0x0000000000000000-mapping.dmp
\Users\Admin\AppData\Local\Temp\omsh.dll
| MD5 | 24190cd699631d16521dfb588b2571a3 |
| SHA1 | 546a86929e82babd0ee6f970d7729e3bf6a14698 |
| SHA256 | 99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6 |
| SHA512 | fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21 |
memory/1652-295-0x0000000003160000-0x0000000003230000-memory.dmp
\Users\Admin\AppData\Local\Temp\omsh.dll
| MD5 | 24190cd699631d16521dfb588b2571a3 |
| SHA1 | 546a86929e82babd0ee6f970d7729e3bf6a14698 |
| SHA256 | 99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6 |
| SHA512 | fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21 |
memory/3424-330-0x00007FF810580000-0x00007FF810590000-memory.dmp
memory/3424-331-0x00007FF810580000-0x00007FF810590000-memory.dmp
memory/3424-332-0x00007FF810580000-0x00007FF810590000-memory.dmp
memory/3424-333-0x00007FF810580000-0x00007FF810590000-memory.dmp
memory/1652-334-0x0000000003160000-0x000000000316A000-memory.dmp
memory/1652-335-0x0000000003161000-0x0000000003182000-memory.dmp
memory/1652-336-0x0000000002ED0000-0x000000000301A000-memory.dmp