ec928e9f10b2097621f5a01e4f4a902777365b7a07765a5f94348387d0bb951b

General

Target

Documents455.xlsm
Size

57KB
MD5

48f94f4fccda26ad7944d041729923ae
SHA1

0548fd594ef2ab9d0e200dd411893882b94b8940
SHA256

ec928e9f10b2097621f5a01e4f4a902777365b7a07765a5f94348387d0bb951b
SHA512

b14624d2ae5e7352dc7105d40fb2d270f47f8eb1567d66397bd1584f4dc966b4d27a6861e24d04376b7b664f65ce188cc36dcfccebfe23be8ecb2482f5262d1f

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	3896	1048	wmic.exe	EXCEL.EXE
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	68	3424	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1048 EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 42 IoCs

Processes:

wmic.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3896	wmic.exe
Token: SeSecurityPrivilege	3896	wmic.exe
Token: SeTakeOwnershipPrivilege	3896	wmic.exe
Token: SeLoadDriverPrivilege	3896	wmic.exe
Token: SeSystemProfilePrivilege	3896	wmic.exe
Token: SeSystemtimePrivilege	3896	wmic.exe
Token: SeProfSingleProcessPrivilege	3896	wmic.exe
Token: SeIncBasePriorityPrivilege	3896	wmic.exe
Token: SeCreatePagefilePrivilege	3896	wmic.exe
Token: SeBackupPrivilege	3896	wmic.exe
Token: SeRestorePrivilege	3896	wmic.exe
Token: SeShutdownPrivilege	3896	wmic.exe
Token: SeDebugPrivilege	3896	wmic.exe
Token: SeSystemEnvironmentPrivilege	3896	wmic.exe
Token: SeRemoteShutdownPrivilege	3896	wmic.exe
Token: SeUndockPrivilege	3896	wmic.exe
Token: SeManageVolumePrivilege	3896	wmic.exe
Token: 33	3896	wmic.exe
Token: 34	3896	wmic.exe
Token: 35	3896	wmic.exe
Token: 36	3896	wmic.exe
Token: SeIncreaseQuotaPrivilege	3896	wmic.exe
Token: SeSecurityPrivilege	3896	wmic.exe
Token: SeTakeOwnershipPrivilege	3896	wmic.exe
Token: SeLoadDriverPrivilege	3896	wmic.exe
Token: SeSystemProfilePrivilege	3896	wmic.exe
Token: SeSystemtimePrivilege	3896	wmic.exe
Token: SeProfSingleProcessPrivilege	3896	wmic.exe
Token: SeIncBasePriorityPrivilege	3896	wmic.exe
Token: SeCreatePagefilePrivilege	3896	wmic.exe
Token: SeBackupPrivilege	3896	wmic.exe
Token: SeRestorePrivilege	3896	wmic.exe
Token: SeShutdownPrivilege	3896	wmic.exe
Token: SeDebugPrivilege	3896	wmic.exe
Token: SeSystemEnvironmentPrivilege	3896	wmic.exe
Token: SeRemoteShutdownPrivilege	3896	wmic.exe
Token: SeUndockPrivilege	3896	wmic.exe
Token: SeManageVolumePrivilege	3896	wmic.exe
Token: 33	3896	wmic.exe
Token: 34	3896	wmic.exe
Token: 35	3896	wmic.exe
Token: 36	3896	wmic.exe

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description pid process target process

PID 1048 wrote to memory of 3896 1048 EXCEL.EXE wmic.exe
PID 1048 wrote to memory of 3896 1048 EXCEL.EXE wmic.exe

description	pid	process	target process
PID 1048 wrote to memory of 3896	1048	EXCEL.EXE	wmic.exe
PID 1048 wrote to memory of 3896	1048	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\Documents455.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1048

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:3896

C:\Windows\system32\regsvr32.exe
regsvr32 -s C:\Users\Public\microsoft.security
1⤵
- Process spawned unexpected child process
PID:68

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1048-2-0x00007FFA46D50000-0x00007FFA46D60000-memory.dmp

Filesize
64KB

Download
memory/1048-3-0x00007FFA46D50000-0x00007FFA46D60000-memory.dmp

Filesize
64KB

Download
memory/1048-4-0x00007FFA46D50000-0x00007FFA46D60000-memory.dmp

Filesize
64KB

Download
memory/1048-5-0x00007FFA6A5E0000-0x00007FFA6AC17000-memory.dmp

Filesize
6.2MB

Download
memory/1048-6-0x00007FFA46D50000-0x00007FFA46D60000-memory.dmp

Filesize
64KB

Download
memory/3896-7-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads