430d4980a1a19c9f7fdb203c395ef1a920f8595b0d93ae212fb526f9e9af1fd4

General

Target

catalog-1746358838.xlsm
Size

120KB
MD5

f7604fd53f0c0e2ba5f1e688f85d6d38
SHA1

4e179d4689b4d3760bbff69f3493a7802d8b9259
SHA256

430d4980a1a19c9f7fdb203c395ef1a920f8595b0d93ae212fb526f9e9af1fd4
SHA512

9079aefe98413f2af951dd0f787d7e4f3186e6a8ec59f16b7d19714fab48174da841f68a7204dffbb00413efacdef710621e31318791d48214309988f3835b41

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://boehm-kavon15lc.ru.com/body.html

xlm40.dropper

http://rosenbaum-milan15y.ru.com/body.html

xlm40.dropper

https://glsiba.org/drms/body.html

xlm40.dropper

https://jahthroneafricancrafts.com/drms/body.html

Signatures

Process spawned unexpected child process 4 IoCs

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

Processes:

rundll32.exerundll32.exerundll32.exerundll32.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	2044	452	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1288	452	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1536	452	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	944	452	rundll32.exe	EXCEL.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 (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
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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

452 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

452 EXCEL.EXE
452 EXCEL.EXE
452 EXCEL.EXE

pid	process
452	EXCEL.EXE

pid	process
452	EXCEL.EXE
452	EXCEL.EXE
452	EXCEL.EXE

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 452 wrote to memory of 2044	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 2044	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 2044	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 2044	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 2044	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 2044	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 2044	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1288	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1288	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1288	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1288	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1288	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1288	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1288	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1536	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1536	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1536	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1536	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1536	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1536	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 1536	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 944	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 944	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 944	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 944	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 944	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 944	452	EXCEL.EXE	rundll32.exe
PID 452 wrote to memory of 944	452	EXCEL.EXE	rundll32.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\catalog-1746358838.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:452

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\ghnrope.rue1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:2044

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\ghnrope.rue2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1288

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\ghnrope.rue3,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1536

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\ghnrope.rue4,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:944

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/452-60-0x000000002F9D1000-0x000000002F9D4000-memory.dmp

Filesize
12KB

Download
memory/452-61-0x0000000071581000-0x0000000071583000-memory.dmp

Filesize
8KB

Download
memory/452-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/452-71-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/944-69-0x0000000000000000-mapping.dmp

Download
memory/1288-65-0x0000000000000000-mapping.dmp

Download
memory/1536-67-0x0000000000000000-mapping.dmp

Download
memory/2044-63-0x0000000000000000-mapping.dmp

Download
memory/2044-64-0x00000000753E1000-0x00000000753E3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads