d7105039328f0029cddf86ed266c29a4aab078fb5f04506b95922466f709a513

General

Target

Invoice-IOMVP.xlsb
Size

315KB
MD5

2cab816d158d5e2d84fab6d37b377c92
SHA1

581824c7553ad46aae4db994f80ea375d2273664
SHA256

d7105039328f0029cddf86ed266c29a4aab078fb5f04506b95922466f709a513
SHA512

9b6a23bec6dd7945dd4d6ffd0ab00656d5b7c54dee79946d2cf969cb3f715a228697763699e15c9302d44333c6a44549452fb415dba405bad0dee9aa61635059

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	520	1892	wmic.exe	EXCEL.EXE
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	556	896	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\Toolbar	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\Main	mshta.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
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
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
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1892 EXCEL.EXE

pid	process
1892	EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 40 IoCs

Processes:

wmic.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	520	wmic.exe
Token: SeSecurityPrivilege	520	wmic.exe
Token: SeTakeOwnershipPrivilege	520	wmic.exe
Token: SeLoadDriverPrivilege	520	wmic.exe
Token: SeSystemProfilePrivilege	520	wmic.exe
Token: SeSystemtimePrivilege	520	wmic.exe
Token: SeProfSingleProcessPrivilege	520	wmic.exe
Token: SeIncBasePriorityPrivilege	520	wmic.exe
Token: SeCreatePagefilePrivilege	520	wmic.exe
Token: SeBackupPrivilege	520	wmic.exe
Token: SeRestorePrivilege	520	wmic.exe
Token: SeShutdownPrivilege	520	wmic.exe
Token: SeDebugPrivilege	520	wmic.exe
Token: SeSystemEnvironmentPrivilege	520	wmic.exe
Token: SeRemoteShutdownPrivilege	520	wmic.exe
Token: SeUndockPrivilege	520	wmic.exe
Token: SeManageVolumePrivilege	520	wmic.exe
Token: 33	520	wmic.exe
Token: 34	520	wmic.exe
Token: 35	520	wmic.exe
Token: SeIncreaseQuotaPrivilege	520	wmic.exe
Token: SeSecurityPrivilege	520	wmic.exe
Token: SeTakeOwnershipPrivilege	520	wmic.exe
Token: SeLoadDriverPrivilege	520	wmic.exe
Token: SeSystemProfilePrivilege	520	wmic.exe
Token: SeSystemtimePrivilege	520	wmic.exe
Token: SeProfSingleProcessPrivilege	520	wmic.exe
Token: SeIncBasePriorityPrivilege	520	wmic.exe
Token: SeCreatePagefilePrivilege	520	wmic.exe
Token: SeBackupPrivilege	520	wmic.exe
Token: SeRestorePrivilege	520	wmic.exe
Token: SeShutdownPrivilege	520	wmic.exe
Token: SeDebugPrivilege	520	wmic.exe
Token: SeSystemEnvironmentPrivilege	520	wmic.exe
Token: SeRemoteShutdownPrivilege	520	wmic.exe
Token: SeUndockPrivilege	520	wmic.exe
Token: SeManageVolumePrivilege	520	wmic.exe
Token: 33	520	wmic.exe
Token: 34	520	wmic.exe
Token: 35	520	wmic.exe

Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

EXCEL.EXE

pid process

1892 EXCEL.EXE
1892 EXCEL.EXE
1892 EXCEL.EXE
1892 EXCEL.EXE
1892 EXCEL.EXE
1892 EXCEL.EXE
1892 EXCEL.EXE
1892 EXCEL.EXE
1892 EXCEL.EXE

pid	process
1892	EXCEL.EXE
1892	EXCEL.EXE
1892	EXCEL.EXE
1892	EXCEL.EXE
1892	EXCEL.EXE
1892	EXCEL.EXE
1892	EXCEL.EXE
1892	EXCEL.EXE
1892	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1892 wrote to memory of 520	1892	EXCEL.EXE	wmic.exe
PID 1892 wrote to memory of 520	1892	EXCEL.EXE	wmic.exe
PID 1892 wrote to memory of 520	1892	EXCEL.EXE	wmic.exe
PID 1892 wrote to memory of 520	1892	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-IOMVP.xlsb
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1892

C:\Windows\SysWOW64\Wbem\wmic.exe
wmic process call create 'mshta C:\ProgramData\jGKaooqEDeGraw.rtf'
2⤵
- Process spawned unexpected child process
- Suspicious use of AdjustPrivilegeToken
PID:520

C:\Windows\system32\mshta.exe
mshta C:\ProgramData\jGKaooqEDeGraw.rtf
1⤵
- Process spawned unexpected child process
- Modifies Internet Explorer settings
PID:556

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\jGKaooqEDeGraw.rtf
MD5
31caf86f93a425b2807eaab9095968f2

SHA1
280c285d680626e69c86db35b2e7a41a591aa898

SHA256
fd93ba788727b818dbed02edde316946e7d8930e2b65f8808cc842750c0162ec

SHA512
b7b89bf080ecbb70f9207a937e2c5c32c47f05dff922582ea717e3344895bfbe76ccba2472c1f34b55d982a020414e2a1b537fd02eda6937c428160a8a873add

Download Submit
memory/520-63-0x0000000000000000-mapping.dmp

Download
memory/1892-60-0x000000002FB91000-0x000000002FB94000-memory.dmp

Filesize
12KB

Download
memory/1892-61-0x00000000714E1000-0x00000000714E3000-memory.dmp

Filesize
8KB

Download
memory/1892-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1892-64-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads