56d0a1d000f4553cdd0a270d0bacaee05633bd2c28bfece6d7476a0e30ade599

General

Target
r84060.xlsm
Size 21KB
Sample210415-295173sq4e
SHA256 56d0a1d000f4553cdd0a270d0bacaee05633bd2c28bfece6d7476a0e30ade599
MD5 353d1fd18af7306adf9bcf830c8feb83
SHA1 b67528872b9e282408649cd5e9a9356a8d8b73e2
SHA512 4da16903f9db87269dfcfd246a52363720435c30c189002f24f0f493dab6289536263769e91c55555fdd3e392f1ac8b339aac2a2ddaa75b11cd68551d527e48e
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper
https://ics.marlik.org/errors.php

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1156	940	rundll32.exe	24

Deletes itself 1 IoCs

pid	Process
940	EXCEL.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

description	ioc	Process
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
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 (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
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
940	EXCEL.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
940	EXCEL.EXE
940	EXCEL.EXE
940	EXCEL.EXE
940	EXCEL.EXE
940	EXCEL.EXE
940	EXCEL.EXE
940	EXCEL.EXE
940	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 940 wrote to memory of 1156	940	EXCEL.EXE	32
PID 940 wrote to memory of 1156	940	EXCEL.EXE	32
PID 940 wrote to memory of 1156	940	EXCEL.EXE	32
PID 940 wrote to memory of 1156	940	EXCEL.EXE	32
PID 940 wrote to memory of 1156	940	EXCEL.EXE	32
PID 940 wrote to memory of 1156	940	EXCEL.EXE	32
PID 940 wrote to memory of 1156	940	EXCEL.EXE	32

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\r84060.xlsm
1⤵
- Deletes itself
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:940
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\IFQtTIl2.txt,ENGY
  2⤵
  - Process spawned unexpected child process
  PID:1156

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/940-59-0x000000002FAC1000-0x000000002FAC4000-memory.dmp

Download

memory/940-60-0x0000000070D41000-0x0000000070D43000-memory.dmp

Download

memory/940-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Download

memory/940-65-0x000000005FFF0000-0x0000000060000000-memory.dmp

Download

memory/1156-63-0x0000000075051000-0x0000000075053000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads