7e0b4b26bafd471703fac1db25b24936230aecad95732e66420184d717a111ee

General

Target

Invoice-5959498320211004.xlsb
Size

132KB
MD5

887bc475305003bdc34e671a2f3bd080
SHA1

7625f787be7479bf54addeff0ce7107cf0f59f23
SHA256

7e0b4b26bafd471703fac1db25b24936230aecad95732e66420184d717a111ee
SHA512

efb52e8c1fdf6e7cbc80b951220e25c78be0aad5c24b732696784b9b4d5d2c7a284df11fb0f524f64fa3f39a887069599c91f5233062d2aa8c01617104dd9ccd

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.exemshta.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1640	2004	wmic.exe	EXCEL.EXE
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	652	1668	mshta.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 10 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXEmshta.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2004 EXCEL.EXE

pid	process
2004	EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 40 IoCs

Processes:

wmic.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1640	wmic.exe
Token: SeSecurityPrivilege	1640	wmic.exe
Token: SeTakeOwnershipPrivilege	1640	wmic.exe
Token: SeLoadDriverPrivilege	1640	wmic.exe
Token: SeSystemProfilePrivilege	1640	wmic.exe
Token: SeSystemtimePrivilege	1640	wmic.exe
Token: SeProfSingleProcessPrivilege	1640	wmic.exe
Token: SeIncBasePriorityPrivilege	1640	wmic.exe
Token: SeCreatePagefilePrivilege	1640	wmic.exe
Token: SeBackupPrivilege	1640	wmic.exe
Token: SeRestorePrivilege	1640	wmic.exe
Token: SeShutdownPrivilege	1640	wmic.exe
Token: SeDebugPrivilege	1640	wmic.exe
Token: SeSystemEnvironmentPrivilege	1640	wmic.exe
Token: SeRemoteShutdownPrivilege	1640	wmic.exe
Token: SeUndockPrivilege	1640	wmic.exe
Token: SeManageVolumePrivilege	1640	wmic.exe
Token: 33	1640	wmic.exe
Token: 34	1640	wmic.exe
Token: 35	1640	wmic.exe
Token: SeIncreaseQuotaPrivilege	1640	wmic.exe
Token: SeSecurityPrivilege	1640	wmic.exe
Token: SeTakeOwnershipPrivilege	1640	wmic.exe
Token: SeLoadDriverPrivilege	1640	wmic.exe
Token: SeSystemProfilePrivilege	1640	wmic.exe
Token: SeSystemtimePrivilege	1640	wmic.exe
Token: SeProfSingleProcessPrivilege	1640	wmic.exe
Token: SeIncBasePriorityPrivilege	1640	wmic.exe
Token: SeCreatePagefilePrivilege	1640	wmic.exe
Token: SeBackupPrivilege	1640	wmic.exe
Token: SeRestorePrivilege	1640	wmic.exe
Token: SeShutdownPrivilege	1640	wmic.exe
Token: SeDebugPrivilege	1640	wmic.exe
Token: SeSystemEnvironmentPrivilege	1640	wmic.exe
Token: SeRemoteShutdownPrivilege	1640	wmic.exe
Token: SeUndockPrivilege	1640	wmic.exe
Token: SeManageVolumePrivilege	1640	wmic.exe
Token: 33	1640	wmic.exe
Token: 34	1640	wmic.exe
Token: 35	1640	wmic.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

2004 EXCEL.EXE
2004 EXCEL.EXE
2004 EXCEL.EXE
2004 EXCEL.EXE
2004 EXCEL.EXE

pid	process
2004	EXCEL.EXE
2004	EXCEL.EXE
2004	EXCEL.EXE
2004	EXCEL.EXE
2004	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2004 wrote to memory of 1640	2004	EXCEL.EXE	wmic.exe
PID 2004 wrote to memory of 1640	2004	EXCEL.EXE	wmic.exe
PID 2004 wrote to memory of 1640	2004	EXCEL.EXE	wmic.exe
PID 2004 wrote to memory of 1640	2004	EXCEL.EXE	wmic.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Invoice-5959498320211004.xlsb
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2004

C:\Windows\SysWOW64\Wbem\wmic.exe
wmic process call create 'mshta C:\ProgramData\vlEUL.rtf'
2⤵
- Process spawned unexpected child process
- Suspicious use of AdjustPrivilegeToken
PID:1640

C:\Windows\system32\mshta.exe
mshta C:\ProgramData\vlEUL.rtf
1⤵
- Process spawned unexpected child process
- Modifies Internet Explorer settings
PID:652

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\vlEUL.rtf
MD5
031c5dfeaa97b80bff2c5fd7999352ac

SHA1
0e89ec2d13631c157f7e577b7617099bc5e45cd5

SHA256
6fbff6199b9a527c7a6c5ccec275a8ffda62f13b4ad29700075c2a8c217b11b6

SHA512
766d84ace8e3d0683ab534c2c45bbedbd731121f0bf330edef51ae787350b8a6c81b6d0e103832c185677cdf778bd5567c877ff5e90e3e7ec2ed298c1f11529c

Download Submit
memory/1640-63-0x0000000000000000-mapping.dmp

Download
memory/2004-60-0x000000002FB51000-0x000000002FB54000-memory.dmp

Filesize
12KB

Download
memory/2004-61-0x0000000071B91000-0x0000000071B93000-memory.dmp

Filesize
8KB

Download
memory/2004-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2004-64-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads