2a032cf1bddbd0e4119e84cb31edf89f58325a6237aa92ff763d930778b725a4

General

Target
719c4971_by_Libranalysis.xlsm
Size 183KB
Sample210524-seqyf29e4e
SHA256 2a032cf1bddbd0e4119e84cb31edf89f58325a6237aa92ff763d930778b725a4
MD5 719c497138b21bed7779bc84d9ea2b72
SHA1 af9e3a7957fadcd6347c640201a3835be94b935b
SHA512 b962d0600f294a772d7619eb90a5e69b39007ea7393d169cdce7ded94bdc6c8c67080e37c76f5e7d25a6362d8ba55ef8f63ab0efe6ebf071de7d6eb8d1ed730c
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper
http://188.119.113.227/44340.7957482639.dat
xlm40.dropper
http://2.56.244.8/44340.7957482639.dat
xlm40.dropper
http://185.141.26.131/44340.7957482639.dat

Signatures

Process spawned unexpected child process 3 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	808	1748	rundll32.exe	24
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1004	1748	rundll32.exe	24
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	464	1748	rundll32.exe	24

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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1748	EXCEL.EXE

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1748	EXCEL.EXE
1748	EXCEL.EXE
1748	EXCEL.EXE
1748	EXCEL.EXE
1748	EXCEL.EXE
1748	EXCEL.EXE
1748	EXCEL.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 808	1748	EXCEL.EXE	32
PID 1748 wrote to memory of 808	1748	EXCEL.EXE	32
PID 1748 wrote to memory of 808	1748	EXCEL.EXE	32
PID 1748 wrote to memory of 808	1748	EXCEL.EXE	32
PID 1748 wrote to memory of 808	1748	EXCEL.EXE	32
PID 1748 wrote to memory of 808	1748	EXCEL.EXE	32
PID 1748 wrote to memory of 808	1748	EXCEL.EXE	32
PID 1748 wrote to memory of 1004	1748	EXCEL.EXE	33
PID 1748 wrote to memory of 1004	1748	EXCEL.EXE	33
PID 1748 wrote to memory of 1004	1748	EXCEL.EXE	33
PID 1748 wrote to memory of 1004	1748	EXCEL.EXE	33
PID 1748 wrote to memory of 1004	1748	EXCEL.EXE	33
PID 1748 wrote to memory of 1004	1748	EXCEL.EXE	33
PID 1748 wrote to memory of 1004	1748	EXCEL.EXE	33
PID 1748 wrote to memory of 464	1748	EXCEL.EXE	34
PID 1748 wrote to memory of 464	1748	EXCEL.EXE	34
PID 1748 wrote to memory of 464	1748	EXCEL.EXE	34
PID 1748 wrote to memory of 464	1748	EXCEL.EXE	34
PID 1748 wrote to memory of 464	1748	EXCEL.EXE	34
PID 1748 wrote to memory of 464	1748	EXCEL.EXE	34
PID 1748 wrote to memory of 464	1748	EXCEL.EXE	34

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\719c4971_by_Libranalysis.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\Hikos.hertolo,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\Hikos.hertolo1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\Hikos.hertolo2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:464

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/808-64-0x00000000757E1000-0x00000000757E3000-memory.dmp

Download

memory/1748-60-0x000000002F561000-0x000000002F564000-memory.dmp

Download

memory/1748-61-0x0000000070F51000-0x0000000070F53000-memory.dmp

Download

memory/1748-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads