4465a69d494a4920092c4c75e6d3e8a419c18f664a64391b6b35295022eeb44b

General

Target

Documents972.xlsm
Size

57KB
MD5

9793c1a18272f2459fee69f8f914388f
SHA1

740aa60f77f9372bad6e533637ef9e812d1f9b44
SHA256

9ba472bd3fcd23bf1b820c9f35e33fd64c334c2e3b7189bf77bc0c080c449e56
SHA512

4fd053e65f414f20c3ef3f53169968f0766f63dea462b373b682734c32309a128a975609c636d7cf42350319d88e1c15c77f98041b25d9c65eb077560022edfa

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 2 IoCs

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

Processes:

wmic.exeregsvr32.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	504	1628	wmic.exe	EXCEL.EXE
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3804	1972	regsvr32.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 behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1628 EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 42 IoCs

Processes:

wmic.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	504	wmic.exe
Token: SeSecurityPrivilege	504	wmic.exe
Token: SeTakeOwnershipPrivilege	504	wmic.exe
Token: SeLoadDriverPrivilege	504	wmic.exe
Token: SeSystemProfilePrivilege	504	wmic.exe
Token: SeSystemtimePrivilege	504	wmic.exe
Token: SeProfSingleProcessPrivilege	504	wmic.exe
Token: SeIncBasePriorityPrivilege	504	wmic.exe
Token: SeCreatePagefilePrivilege	504	wmic.exe
Token: SeBackupPrivilege	504	wmic.exe
Token: SeRestorePrivilege	504	wmic.exe
Token: SeShutdownPrivilege	504	wmic.exe
Token: SeDebugPrivilege	504	wmic.exe
Token: SeSystemEnvironmentPrivilege	504	wmic.exe
Token: SeRemoteShutdownPrivilege	504	wmic.exe
Token: SeUndockPrivilege	504	wmic.exe
Token: SeManageVolumePrivilege	504	wmic.exe
Token: 33	504	wmic.exe
Token: 34	504	wmic.exe
Token: 35	504	wmic.exe
Token: 36	504	wmic.exe
Token: SeIncreaseQuotaPrivilege	504	wmic.exe
Token: SeSecurityPrivilege	504	wmic.exe
Token: SeTakeOwnershipPrivilege	504	wmic.exe
Token: SeLoadDriverPrivilege	504	wmic.exe
Token: SeSystemProfilePrivilege	504	wmic.exe
Token: SeSystemtimePrivilege	504	wmic.exe
Token: SeProfSingleProcessPrivilege	504	wmic.exe
Token: SeIncBasePriorityPrivilege	504	wmic.exe
Token: SeCreatePagefilePrivilege	504	wmic.exe
Token: SeBackupPrivilege	504	wmic.exe
Token: SeRestorePrivilege	504	wmic.exe
Token: SeShutdownPrivilege	504	wmic.exe
Token: SeDebugPrivilege	504	wmic.exe
Token: SeSystemEnvironmentPrivilege	504	wmic.exe
Token: SeRemoteShutdownPrivilege	504	wmic.exe
Token: SeUndockPrivilege	504	wmic.exe
Token: SeManageVolumePrivilege	504	wmic.exe
Token: 33	504	wmic.exe
Token: 34	504	wmic.exe
Token: 35	504	wmic.exe
Token: 36	504	wmic.exe

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description pid process target process

PID 1628 wrote to memory of 504 1628 EXCEL.EXE wmic.exe
PID 1628 wrote to memory of 504 1628 EXCEL.EXE wmic.exe

description	pid	process	target process
PID 1628 wrote to memory of 504	1628	EXCEL.EXE	wmic.exe
PID 1628 wrote to memory of 504	1628	EXCEL.EXE	wmic.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\Documents972.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1628

C:\Windows\System32\Wbem\wmic.exe
wmic.exe process call create 'regsvr32 -s C:\Users\Public\microsoft.security'
2⤵
- Process spawned unexpected child process
- Suspicious use of AdjustPrivilegeToken
PID:504

C:\Windows\system32\regsvr32.exe
regsvr32 -s C:\Users\Public\microsoft.security
1⤵
- Process spawned unexpected child process
PID:3804

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/504-7-0x0000000000000000-mapping.dmp

Download
memory/1628-2-0x00007FF7FC7D0000-0x00007FF7FC7E0000-memory.dmp

Filesize
64KB

Download
memory/1628-3-0x00007FF7FC7D0000-0x00007FF7FC7E0000-memory.dmp

Filesize
64KB

Download
memory/1628-4-0x00007FF7FC7D0000-0x00007FF7FC7E0000-memory.dmp

Filesize
64KB

Download
memory/1628-5-0x00007FF7FC7D0000-0x00007FF7FC7E0000-memory.dmp

Filesize
64KB

Download
memory/1628-6-0x00007FF81FA20000-0x00007FF820057000-memory.dmp

Filesize
6.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads