Malware Analysis Report

2025-08-11 01:42

Sample ID 221109-xvn1habdf4
Target a17257a4a1a71d882ccfd9037e726639b49a70bde211c5dc647492f26d27c430.xls
SHA256 a17257a4a1a71d882ccfd9037e726639b49a70bde211c5dc647492f26d27c430
Tags
emotet epoch5 banker persistence trojan macro xlm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a17257a4a1a71d882ccfd9037e726639b49a70bde211c5dc647492f26d27c430

Threat Level: Known bad

The file a17257a4a1a71d882ccfd9037e726639b49a70bde211c5dc647492f26d27c430.xls was found to be: Known bad.

Malicious Activity Summary

emotet epoch5 banker persistence trojan macro xlm

Emotet

Process spawned unexpected child process

Downloads MZ/PE file

Suspicious Office macro

Loads dropped DLL

Adds Run key to start application

Suspicious use of SetWindowsHookEx

Suspicious use of FindShellTrayWindow

Enumerates system info in registry

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-11-09 19:10

Signatures

Suspicious Office macro

macro xlm
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2022-11-09 19:10

Reported

2022-11-09 19:14

Platform

win10-20220812-en

Max time kernel

144s

Max time network

149s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\a17257a4a1a71d882ccfd9037e726639b49a70bde211c5dc647492f26d27c430.xls"

Signatures

Emotet

trojan banker emotet

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Downloads MZ/PE file

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\System32\regsvr32.exe N/A
N/A N/A C:\Windows\System32\regsvr32.exe N/A
N/A N/A C:\Windows\System32\regsvr32.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run C:\Windows\system32\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EqRgm.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\FXPqAHiSmmjers\\EqRgm.dll\"" C:\Windows\system32\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run C:\Windows\system32\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wEsiGKGc.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\HyXsVjW\\wEsiGKGc.dll\"" C:\Windows\system32\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run C:\Windows\system32\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qElJNI.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\FbaRvo\\qElJNI.dll\"" C:\Windows\system32\regsvr32.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1892 wrote to memory of 4648 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 1892 wrote to memory of 4648 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 4648 wrote to memory of 4924 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 4648 wrote to memory of 4924 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 1892 wrote to memory of 4704 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 1892 wrote to memory of 4704 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 1892 wrote to memory of 4852 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 1892 wrote to memory of 4852 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 4852 wrote to memory of 68 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 4852 wrote to memory of 68 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 1892 wrote to memory of 2084 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 1892 wrote to memory of 2084 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 2084 wrote to memory of 3284 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 2084 wrote to memory of 3284 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe

Processes

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\a17257a4a1a71d882ccfd9037e726639b49a70bde211c5dc647492f26d27c430.xls"

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx

C:\Windows\system32\regsvr32.exe

C:\Windows\system32\regsvr32.exe "C:\Windows\system32\FXPqAHiSmmjers\EqRgm.dll"

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx

C:\Windows\system32\regsvr32.exe

C:\Windows\system32\regsvr32.exe "C:\Windows\system32\HyXsVjW\wEsiGKGc.dll"

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx

C:\Windows\system32\regsvr32.exe

C:\Windows\system32\regsvr32.exe "C:\Windows\system32\FbaRvo\qElJNI.dll"

Network

Country Destination Domain Proto
FR 2.16.119.157:443 tcp
US 8.8.8.8:53 www.muyehuayi.com udp
HK 103.229.183.58:80 www.muyehuayi.com tcp
US 8.8.8.8:53 concivilpa.com.py udp
CA 51.161.12.60:80 concivilpa.com.py tcp
US 8.8.8.8:53 wijsneusmedia.nl udp
NL 185.182.56.21:443 wijsneusmedia.nl tcp
US 8.8.8.8:53 www.angloextrema.com.br udp
US 108.179.252.23:80 www.angloextrema.com.br tcp
US 20.42.65.90:443 tcp
KR 218.38.121.17:443 218.38.121.17 tcp
KR 218.38.121.17:443 218.38.121.17 tcp
KR 218.38.121.17:443 218.38.121.17 tcp

Files

memory/1892-116-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp

memory/1892-117-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp

memory/1892-118-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp

memory/1892-119-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp

memory/1892-128-0x00007FFE7C260000-0x00007FFE7C270000-memory.dmp

memory/1892-129-0x00007FFE7C260000-0x00007FFE7C270000-memory.dmp

memory/4648-256-0x0000000000000000-mapping.dmp

C:\Users\Admin\elv1.ooocccxxx

MD5 05bacb67e130c31419036b3281f4b10b
SHA1 3cabe19968c9836e3438b2763fd46c38c07d6391
SHA256 979cff8440bb0f0b555fadde036f10b1c859962e3d35b61d3b1b01e6fa2a6529
SHA512 b555b2efb460c2e2a0643baa27cabf33dbed61fd4a24b8b6ef5b4fbdcef9ef413ce94e5226f65150e5acbd960c3e17383195a38c487f6fefd1215637ada86240

\Users\Admin\elv1.ooocccxxx

MD5 05bacb67e130c31419036b3281f4b10b
SHA1 3cabe19968c9836e3438b2763fd46c38c07d6391
SHA256 979cff8440bb0f0b555fadde036f10b1c859962e3d35b61d3b1b01e6fa2a6529
SHA512 b555b2efb460c2e2a0643baa27cabf33dbed61fd4a24b8b6ef5b4fbdcef9ef413ce94e5226f65150e5acbd960c3e17383195a38c487f6fefd1215637ada86240

memory/4648-259-0x0000000180000000-0x0000000180030000-memory.dmp

memory/4924-264-0x0000000000000000-mapping.dmp

memory/4704-270-0x0000000000000000-mapping.dmp

memory/4852-273-0x0000000000000000-mapping.dmp

C:\Users\Admin\elv3.ooocccxxx

MD5 3db1cb5400f35563d8ce55057152e7f7
SHA1 846073b00dce497d7e1f37b2082f0b2c552b267b
SHA256 28450a3f58d6fa6f0df122750348d8788c0e9b97b5600ed29ebdc65838ce5c8c
SHA512 4db4b7112521ee9d55e5b552adaa999f53a02af8a6f29eb2fff9c2a27074e06140ec350d58df4e3a274603fbafae0ec5aa7969965d8ce509bfdd1c5333c2dcbb

\Users\Admin\elv3.ooocccxxx

MD5 3db1cb5400f35563d8ce55057152e7f7
SHA1 846073b00dce497d7e1f37b2082f0b2c552b267b
SHA256 28450a3f58d6fa6f0df122750348d8788c0e9b97b5600ed29ebdc65838ce5c8c
SHA512 4db4b7112521ee9d55e5b552adaa999f53a02af8a6f29eb2fff9c2a27074e06140ec350d58df4e3a274603fbafae0ec5aa7969965d8ce509bfdd1c5333c2dcbb

memory/68-281-0x0000000000000000-mapping.dmp

memory/2084-287-0x0000000000000000-mapping.dmp

\Users\Admin\elv4.ooocccxxx

MD5 414ff0a2e4731e3dd9427df098233819
SHA1 850f35574fdafe22df9a02fe04ad69ee2a286e1e
SHA256 163187b153de523c3f3786a350d4f53e34c36808a81bcad3d84cefd944226130
SHA512 4b351891a7f507904318abf171a3b788cd542881af94738b7983956a43212290e36ec7087072e78d96cb95b86a1d727f7c939557dacc74fe926b21909f5e9b10

C:\Users\Admin\elv4.ooocccxxx

MD5 414ff0a2e4731e3dd9427df098233819
SHA1 850f35574fdafe22df9a02fe04ad69ee2a286e1e
SHA256 163187b153de523c3f3786a350d4f53e34c36808a81bcad3d84cefd944226130
SHA512 4b351891a7f507904318abf171a3b788cd542881af94738b7983956a43212290e36ec7087072e78d96cb95b86a1d727f7c939557dacc74fe926b21909f5e9b10

memory/3284-298-0x0000000000000000-mapping.dmp

memory/1892-335-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp

memory/1892-336-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp

memory/1892-337-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp

memory/1892-338-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2022-11-09 19:10

Reported

2022-11-09 19:13

Platform

win10-20220812-en

Max time kernel

169s

Max time network

160s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\a17257a4a1a71d882ccfd9037e726639b49a70bde211c5dc647492f26d27c430.xls"

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Processes

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\a17257a4a1a71d882ccfd9037e726639b49a70bde211c5dc647492f26d27c430.xls"

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.muyehuayi.com udp
N/A 100.99.149.227:80 www.muyehuayi.com tcp
US 8.8.8.8:53 concivilpa.com.py udp
N/A 100.93.236.124:80 concivilpa.com.py tcp
US 8.8.8.8:53 wijsneusmedia.nl udp
N/A 100.111.187.232:443 wijsneusmedia.nl tcp
US 8.8.8.8:53 www.angloextrema.com.br udp
N/A 100.87.172.157:80 www.angloextrema.com.br tcp
N/A 100.97.252.183:80 tcp
N/A 100.97.252.183:80 tcp

Files

memory/3100-116-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp

memory/3100-117-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp

memory/3100-118-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp

memory/3100-119-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp

memory/3100-128-0x00007FFEE7DF0000-0x00007FFEE7E00000-memory.dmp

memory/3100-129-0x00007FFEE7DF0000-0x00007FFEE7E00000-memory.dmp

memory/4248-250-0x0000000000000000-mapping.dmp

memory/4780-251-0x0000000000000000-mapping.dmp

memory/4480-254-0x0000000000000000-mapping.dmp

memory/3796-255-0x0000000000000000-mapping.dmp

memory/3100-294-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp

memory/3100-295-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp

memory/3100-296-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp

memory/3100-297-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp