9a163f08baa5283bf4b87e4a1d7eb2b83c5780ec7767a6af1359042138f63aaf

General

Target

recital-1267320846.xls
Size

244KB
MD5

fa6369788a5f5490d4c506e65b82a166
SHA1

f12d615a708cd6e83c669e3a16c1bebbf2510718
SHA256

3f3f21189390158abe6d01848ce995c762f3b0e908ea27192778effb160a6014
SHA512

a0cf692797d8a9c232de08f15fe251380cdeb54835f5025a5605782d5a55fe4975a0d3fc2174093350b7d533a55ac2bbbea7dbf443a3389abf8c559c1e0f63e9

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://gillcart.com/Cdpmoyhr/key.xml

xlm40.dropper

https://geit.in/MeOlE9Xxd/key.xml

xlm40.dropper

https://mercanets.com/9DPZqAfZdq5z/key.xml

Signatures

Process spawned unexpected child process 3 IoCs

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

Processes:

regsvr32.exeregsvr32.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	1880	1724	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1300	1724	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	552	1724	regsvr32.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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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

1724 EXCEL.EXE
Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

EXCEL.EXEregsvr32.exe

pid process

1724 EXCEL.EXE
1880 regsvr32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

EXCEL.EXE

pid process

1724 EXCEL.EXE
1724 EXCEL.EXE
1724 EXCEL.EXE
1724 EXCEL.EXE
1724 EXCEL.EXE
1724 EXCEL.EXE

pid	process
1724	EXCEL.EXE

pid	process
1724	EXCEL.EXE
1880	regsvr32.exe

pid	process
1724	EXCEL.EXE
1724	EXCEL.EXE
1724	EXCEL.EXE
1724	EXCEL.EXE
1724	EXCEL.EXE
1724	EXCEL.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1724 wrote to memory of 1880	1724	EXCEL.EXE	regsvr32.exe
PID 1724 wrote to memory of 1880	1724	EXCEL.EXE	regsvr32.exe
PID 1724 wrote to memory of 1880	1724	EXCEL.EXE	regsvr32.exe
PID 1724 wrote to memory of 1880	1724	EXCEL.EXE	regsvr32.exe
PID 1724 wrote to memory of 1880	1724	EXCEL.EXE	regsvr32.exe
PID 1724 wrote to memory of 1880	1724	EXCEL.EXE	regsvr32.exe
PID 1724 wrote to memory of 1880	1724	EXCEL.EXE	regsvr32.exe
PID 1724 wrote to memory of 1300	1724	EXCEL.EXE	regsvr32.exe
PID 1724 wrote to memory of 1300	1724	EXCEL.EXE	regsvr32.exe
PID 1724 wrote to memory of 1300	1724	EXCEL.EXE	regsvr32.exe
PID 1724 wrote to memory of 1300	1724	EXCEL.EXE	regsvr32.exe
PID 1724 wrote to memory of 1300	1724	EXCEL.EXE	regsvr32.exe
PID 1724 wrote to memory of 1300	1724	EXCEL.EXE	regsvr32.exe
PID 1724 wrote to memory of 1300	1724	EXCEL.EXE	regsvr32.exe
PID 1724 wrote to memory of 552	1724	EXCEL.EXE	regsvr32.exe
PID 1724 wrote to memory of 552	1724	EXCEL.EXE	regsvr32.exe
PID 1724 wrote to memory of 552	1724	EXCEL.EXE	regsvr32.exe
PID 1724 wrote to memory of 552	1724	EXCEL.EXE	regsvr32.exe
PID 1724 wrote to memory of 552	1724	EXCEL.EXE	regsvr32.exe
PID 1724 wrote to memory of 552	1724	EXCEL.EXE	regsvr32.exe
PID 1724 wrote to memory of 552	1724	EXCEL.EXE	regsvr32.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\recital-1267320846.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1724

C:\Windows\SysWOW64\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" C:\Datop\test.test
2⤵
- Process spawned unexpected child process
- Suspicious behavior: GetForegroundWindowSpam
PID:1880

C:\Windows\SysWOW64\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" C:\Datop\test1.test
2⤵
- Process spawned unexpected child process
PID:1300

C:\Windows\SysWOW64\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" C:\Datop\test2.test
2⤵
- Process spawned unexpected child process
PID:552

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

memory/552-60-0x0000000000000000-mapping.dmp

Download
memory/552-64-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/1300-58-0x0000000000000000-mapping.dmp

Download
memory/1300-59-0x0000000075661000-0x0000000075663000-memory.dmp

Filesize
8KB

Download
memory/1300-65-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1724-54-0x000000002F901000-0x000000002F904000-memory.dmp

Filesize
12KB

Download
memory/1724-55-0x00000000716A1000-0x00000000716A3000-memory.dmp

Filesize
8KB

Download
memory/1724-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1880-57-0x0000000000000000-mapping.dmp

Download
memory/1880-63-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads