efa9ede0e366d39c3789b95fc0b4acf0577b33a72fc05bbe376b88c9a9feea09

General

Target

Documents345.xlsm
Size

57KB
MD5

8c9041813c83038de85079aa49f3d936
SHA1

6fa687e4396b933d0b4555455b55de5b8db3baf7
SHA256

c5444c7252d6e22f4a2de2168a4afeb08e1f841aeba675e6e632e2c64fcd71ca
SHA512

9cf1431762f932a3bf4fd858496e4339443115676084b7b6d1f0ab206940277a3cba09c410e02232e1689dc50501286888de4ed62abc3f12ce6077bcb335b309

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://vpu03jivmm03qncgx.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	1792	1656	wmic.exe	EXCEL.EXE
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1904	536	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
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
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
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt	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
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
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\Se&nd to OneNote	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1656 EXCEL.EXE

pid	process
1656	EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 40 IoCs

Processes:

wmic.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1792	wmic.exe
Token: SeSecurityPrivilege	1792	wmic.exe
Token: SeTakeOwnershipPrivilege	1792	wmic.exe
Token: SeLoadDriverPrivilege	1792	wmic.exe
Token: SeSystemProfilePrivilege	1792	wmic.exe
Token: SeSystemtimePrivilege	1792	wmic.exe
Token: SeProfSingleProcessPrivilege	1792	wmic.exe
Token: SeIncBasePriorityPrivilege	1792	wmic.exe
Token: SeCreatePagefilePrivilege	1792	wmic.exe
Token: SeBackupPrivilege	1792	wmic.exe
Token: SeRestorePrivilege	1792	wmic.exe
Token: SeShutdownPrivilege	1792	wmic.exe
Token: SeDebugPrivilege	1792	wmic.exe
Token: SeSystemEnvironmentPrivilege	1792	wmic.exe
Token: SeRemoteShutdownPrivilege	1792	wmic.exe
Token: SeUndockPrivilege	1792	wmic.exe
Token: SeManageVolumePrivilege	1792	wmic.exe
Token: 33	1792	wmic.exe
Token: 34	1792	wmic.exe
Token: 35	1792	wmic.exe
Token: SeIncreaseQuotaPrivilege	1792	wmic.exe
Token: SeSecurityPrivilege	1792	wmic.exe
Token: SeTakeOwnershipPrivilege	1792	wmic.exe
Token: SeLoadDriverPrivilege	1792	wmic.exe
Token: SeSystemProfilePrivilege	1792	wmic.exe
Token: SeSystemtimePrivilege	1792	wmic.exe
Token: SeProfSingleProcessPrivilege	1792	wmic.exe
Token: SeIncBasePriorityPrivilege	1792	wmic.exe
Token: SeCreatePagefilePrivilege	1792	wmic.exe
Token: SeBackupPrivilege	1792	wmic.exe
Token: SeRestorePrivilege	1792	wmic.exe
Token: SeShutdownPrivilege	1792	wmic.exe
Token: SeDebugPrivilege	1792	wmic.exe
Token: SeSystemEnvironmentPrivilege	1792	wmic.exe
Token: SeRemoteShutdownPrivilege	1792	wmic.exe
Token: SeUndockPrivilege	1792	wmic.exe
Token: SeManageVolumePrivilege	1792	wmic.exe
Token: 33	1792	wmic.exe
Token: 34	1792	wmic.exe
Token: 35	1792	wmic.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1656 EXCEL.EXE
1656 EXCEL.EXE
1656 EXCEL.EXE

pid	process
1656	EXCEL.EXE
1656	EXCEL.EXE
1656	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1656 wrote to memory of 1792	1656	EXCEL.EXE	wmic.exe
PID 1656 wrote to memory of 1792	1656	EXCEL.EXE	wmic.exe
PID 1656 wrote to memory of 1792	1656	EXCEL.EXE	wmic.exe
PID 1656 wrote to memory of 1792	1656	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\Documents345.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1656

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:1792

C:\Windows\system32\regsvr32.exe
regsvr32 -s C:\Users\Public\microsoft.security
1⤵
- Process spawned unexpected child process
PID:1904

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/1112-5-0x000007FEF7BD0000-0x000007FEF7E4A000-memory.dmp

Filesize
2.5MB

Download
memory/1656-2-0x000000002F111000-0x000000002F114000-memory.dmp

Filesize
12KB

Download
memory/1656-3-0x0000000071A81000-0x0000000071A83000-memory.dmp

Filesize
8KB

Download
memory/1656-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1792-6-0x0000000000000000-mapping.dmp

Download
memory/1904-7-0x000007FEFC251000-0x000007FEFC253000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads