c5444c7252d6e22f4a2de2168a4afeb08e1f841aeba675e6e632e2c64fcd71ca

General

Target

Documents312.xlsm
Size

57KB
MD5

8c9041813c83038de85079aa49f3d936
SHA1

6fa687e4396b933d0b4555455b55de5b8db3baf7
SHA256

c5444c7252d6e22f4a2de2168a4afeb08e1f841aeba675e6e632e2c64fcd71ca
SHA512

9cf1431762f932a3bf4fd858496e4339443115676084b7b6d1f0ab206940277a3cba09c410e02232e1689dc50501286888de4ed62abc3f12ce6077bcb335b309

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	1736	4704	wmic.exe	EXCEL.EXE
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	564	4264	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

4704 EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 42 IoCs

Processes:

wmic.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1736	wmic.exe
Token: SeSecurityPrivilege	1736	wmic.exe
Token: SeTakeOwnershipPrivilege	1736	wmic.exe
Token: SeLoadDriverPrivilege	1736	wmic.exe
Token: SeSystemProfilePrivilege	1736	wmic.exe
Token: SeSystemtimePrivilege	1736	wmic.exe
Token: SeProfSingleProcessPrivilege	1736	wmic.exe
Token: SeIncBasePriorityPrivilege	1736	wmic.exe
Token: SeCreatePagefilePrivilege	1736	wmic.exe
Token: SeBackupPrivilege	1736	wmic.exe
Token: SeRestorePrivilege	1736	wmic.exe
Token: SeShutdownPrivilege	1736	wmic.exe
Token: SeDebugPrivilege	1736	wmic.exe
Token: SeSystemEnvironmentPrivilege	1736	wmic.exe
Token: SeRemoteShutdownPrivilege	1736	wmic.exe
Token: SeUndockPrivilege	1736	wmic.exe
Token: SeManageVolumePrivilege	1736	wmic.exe
Token: 33	1736	wmic.exe
Token: 34	1736	wmic.exe
Token: 35	1736	wmic.exe
Token: 36	1736	wmic.exe
Token: SeIncreaseQuotaPrivilege	1736	wmic.exe
Token: SeSecurityPrivilege	1736	wmic.exe
Token: SeTakeOwnershipPrivilege	1736	wmic.exe
Token: SeLoadDriverPrivilege	1736	wmic.exe
Token: SeSystemProfilePrivilege	1736	wmic.exe
Token: SeSystemtimePrivilege	1736	wmic.exe
Token: SeProfSingleProcessPrivilege	1736	wmic.exe
Token: SeIncBasePriorityPrivilege	1736	wmic.exe
Token: SeCreatePagefilePrivilege	1736	wmic.exe
Token: SeBackupPrivilege	1736	wmic.exe
Token: SeRestorePrivilege	1736	wmic.exe
Token: SeShutdownPrivilege	1736	wmic.exe
Token: SeDebugPrivilege	1736	wmic.exe
Token: SeSystemEnvironmentPrivilege	1736	wmic.exe
Token: SeRemoteShutdownPrivilege	1736	wmic.exe
Token: SeUndockPrivilege	1736	wmic.exe
Token: SeManageVolumePrivilege	1736	wmic.exe
Token: 33	1736	wmic.exe
Token: 34	1736	wmic.exe
Token: 35	1736	wmic.exe
Token: 36	1736	wmic.exe

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4704	EXCEL.EXE
4704	EXCEL.EXE
4704	EXCEL.EXE
4704	EXCEL.EXE
4704	EXCEL.EXE
4704	EXCEL.EXE
4704	EXCEL.EXE
4704	EXCEL.EXE
4704	EXCEL.EXE
4704	EXCEL.EXE
4704	EXCEL.EXE
4704	EXCEL.EXE
4704	EXCEL.EXE
4704	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description pid process target process

PID 4704 wrote to memory of 1736 4704 EXCEL.EXE wmic.exe
PID 4704 wrote to memory of 1736 4704 EXCEL.EXE wmic.exe

description	pid	process	target process
PID 4704 wrote to memory of 1736	4704	EXCEL.EXE	wmic.exe
PID 4704 wrote to memory of 1736	4704	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\Documents312.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4704

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:1736

C:\Windows\system32\regsvr32.exe
regsvr32 -s C:\Users\Public\microsoft.security
1⤵
- Process spawned unexpected child process
PID:564

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/1736-7-0x0000000000000000-mapping.dmp

Download
memory/4704-2-0x00007FF82F820000-0x00007FF82F830000-memory.dmp

Filesize
64KB

Download
memory/4704-3-0x00007FF82F820000-0x00007FF82F830000-memory.dmp

Filesize
64KB

Download
memory/4704-4-0x00007FF82F820000-0x00007FF82F830000-memory.dmp

Filesize
64KB

Download
memory/4704-5-0x00007FF853020000-0x00007FF853657000-memory.dmp

Filesize
6.2MB

Download
memory/4704-6-0x00007FF82F820000-0x00007FF82F830000-memory.dmp

Filesize
64KB

Download
memory/4704-9-0x00007FF82F820000-0x00007FF82F830000-memory.dmp

Filesize
64KB

Download
memory/4704-8-0x00007FF82F820000-0x00007FF82F830000-memory.dmp

Filesize
64KB

Download
memory/4704-10-0x00007FF82F820000-0x00007FF82F830000-memory.dmp

Filesize
64KB

Download
memory/4704-11-0x00007FF82F820000-0x00007FF82F830000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads