24bdc455f832ebe94c81c38493191bf3415e91377f2c336f88d634b77a0d55ed

General

Target

Documents492.xlsm
Size

57KB
MD5

4168738fae0705c01339de24d3f94b42
SHA1

57f932261157a009d070dd0e1475474ca8f7948c
SHA256

9bbc391b874c7a1365df81fd20d85cfdc5ec42efab14cbdd00125ec869837043
SHA512

3d1ac743d81e629d621f3acbf5848f525f5df7397632553b4576ff162fd1c5fa59285cb4c931329e4739c1cdf17ce1fe72071652de348cf612ffebaa05ef68df

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://sal03gicu03qcwtif.com/index.gif

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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1772	1856	wmic.exe	EXCEL.EXE
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1824	1344	regsvr32.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 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1856 EXCEL.EXE

pid	process
1856	EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 40 IoCs

Processes:

wmic.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1772	wmic.exe
Token: SeSecurityPrivilege	1772	wmic.exe
Token: SeTakeOwnershipPrivilege	1772	wmic.exe
Token: SeLoadDriverPrivilege	1772	wmic.exe
Token: SeSystemProfilePrivilege	1772	wmic.exe
Token: SeSystemtimePrivilege	1772	wmic.exe
Token: SeProfSingleProcessPrivilege	1772	wmic.exe
Token: SeIncBasePriorityPrivilege	1772	wmic.exe
Token: SeCreatePagefilePrivilege	1772	wmic.exe
Token: SeBackupPrivilege	1772	wmic.exe
Token: SeRestorePrivilege	1772	wmic.exe
Token: SeShutdownPrivilege	1772	wmic.exe
Token: SeDebugPrivilege	1772	wmic.exe
Token: SeSystemEnvironmentPrivilege	1772	wmic.exe
Token: SeRemoteShutdownPrivilege	1772	wmic.exe
Token: SeUndockPrivilege	1772	wmic.exe
Token: SeManageVolumePrivilege	1772	wmic.exe
Token: 33	1772	wmic.exe
Token: 34	1772	wmic.exe
Token: 35	1772	wmic.exe
Token: SeIncreaseQuotaPrivilege	1772	wmic.exe
Token: SeSecurityPrivilege	1772	wmic.exe
Token: SeTakeOwnershipPrivilege	1772	wmic.exe
Token: SeLoadDriverPrivilege	1772	wmic.exe
Token: SeSystemProfilePrivilege	1772	wmic.exe
Token: SeSystemtimePrivilege	1772	wmic.exe
Token: SeProfSingleProcessPrivilege	1772	wmic.exe
Token: SeIncBasePriorityPrivilege	1772	wmic.exe
Token: SeCreatePagefilePrivilege	1772	wmic.exe
Token: SeBackupPrivilege	1772	wmic.exe
Token: SeRestorePrivilege	1772	wmic.exe
Token: SeShutdownPrivilege	1772	wmic.exe
Token: SeDebugPrivilege	1772	wmic.exe
Token: SeSystemEnvironmentPrivilege	1772	wmic.exe
Token: SeRemoteShutdownPrivilege	1772	wmic.exe
Token: SeUndockPrivilege	1772	wmic.exe
Token: SeManageVolumePrivilege	1772	wmic.exe
Token: 33	1772	wmic.exe
Token: 34	1772	wmic.exe
Token: 35	1772	wmic.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

1856 EXCEL.EXE
1856 EXCEL.EXE
1856 EXCEL.EXE
1856 EXCEL.EXE
1856 EXCEL.EXE

pid	process
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1856 wrote to memory of 1772	1856	EXCEL.EXE	wmic.exe
PID 1856 wrote to memory of 1772	1856	EXCEL.EXE	wmic.exe
PID 1856 wrote to memory of 1772	1856	EXCEL.EXE	wmic.exe
PID 1856 wrote to memory of 1772	1856	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\Documents492.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1856

C:\Windows\SysWOW64\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:1772

C:\Windows\system32\regsvr32.exe
regsvr32 -s C:\Users\Public\microsoft.security
1⤵
- Process spawned unexpected child process
PID:1824

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/656-5-0x000007FEF67C0000-0x000007FEF6A3A000-memory.dmp

Filesize
2.5MB

Download
memory/1772-6-0x0000000000000000-mapping.dmp

Download
memory/1824-7-0x000007FEFC1D1000-0x000007FEFC1D3000-memory.dmp

Filesize
8KB

Download
memory/1856-2-0x000000002FD61000-0x000000002FD64000-memory.dmp

Filesize
12KB

Download
memory/1856-3-0x00000000719D1000-0x00000000719D3000-memory.dmp

Filesize
8KB

Download
memory/1856-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads