e27cd58f701bd7b277522fc4e0e5919a022a6048f40a2bdcfa752e4b26b72f8c

General

Target

e27cd58f701bd7b277522fc4e0e5919a022a6048f40a2bdcfa752e4b26b72f8c.xls
Size

95KB
MD5

cbb1f90641826b46877bbc537c1b8c62
SHA1

cbb892e7876fda4acfb7b4623dcc24a943dd6d9f
SHA256

e27cd58f701bd7b277522fc4e0e5919a022a6048f40a2bdcfa752e4b26b72f8c
SHA512

1852cc6bbf638d247f349ecb26ad314e3f18eae9fe21c20296fd8966b69d08c976aef01ed3ff022c301c13ddffab2140c890783d21870d90bdb9f675cccb3ee5

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.sunflowerlaboratory.in/fonts/79Tq62ly/

xlm40.dropper

http://dirigent.co.uk/vardagsekonomi/iC36jJ4J1cf/

xlm40.dropper

http://agtrade.hu/images/kiQYmOs2tSKq/

xlm40.dropper

https://www.zachboyle.com/wp-admin/EA470ZrTGNkuA/

Signatures

Process spawned unexpected child process 4 IoCs

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

Processes:

regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4360	4552	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4700	4552	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3920	4552	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4680	4552	regsvr32.exe	EXCEL.EXE

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4552 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4552 EXCEL.EXE
4552 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4552	EXCEL.EXE
4552	EXCEL.EXE
4552	EXCEL.EXE
4552	EXCEL.EXE
4552	EXCEL.EXE
4552	EXCEL.EXE
4552	EXCEL.EXE
4552	EXCEL.EXE
4552	EXCEL.EXE
4552	EXCEL.EXE
4552	EXCEL.EXE
4552	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4552 wrote to memory of 4360	4552	EXCEL.EXE	regsvr32.exe
PID 4552 wrote to memory of 4360	4552	EXCEL.EXE	regsvr32.exe
PID 4552 wrote to memory of 4700	4552	EXCEL.EXE	regsvr32.exe
PID 4552 wrote to memory of 4700	4552	EXCEL.EXE	regsvr32.exe
PID 4552 wrote to memory of 3920	4552	EXCEL.EXE	regsvr32.exe
PID 4552 wrote to memory of 3920	4552	EXCEL.EXE	regsvr32.exe
PID 4552 wrote to memory of 4680	4552	EXCEL.EXE	regsvr32.exe
PID 4552 wrote to memory of 4680	4552	EXCEL.EXE	regsvr32.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\e27cd58f701bd7b277522fc4e0e5919a022a6048f40a2bdcfa752e4b26b72f8c.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4552

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:4360

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:4700

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3920

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4680

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/3920-264-0x0000000000000000-mapping.dmp

Download
memory/4360-262-0x0000000000000000-mapping.dmp

Download
memory/4552-114-0x00007FFB2DA60000-0x00007FFB2DA70000-memory.dmp

Filesize
64KB

Download
memory/4552-115-0x00007FFB2DA60000-0x00007FFB2DA70000-memory.dmp

Filesize
64KB

Download
memory/4552-116-0x00007FFB2DA60000-0x00007FFB2DA70000-memory.dmp

Filesize
64KB

Download
memory/4552-117-0x00007FFB2DA60000-0x00007FFB2DA70000-memory.dmp

Filesize
64KB

Download
memory/4552-126-0x00007FFB2A3B0000-0x00007FFB2A3C0000-memory.dmp

Filesize
64KB

Download
memory/4552-127-0x00007FFB2A3B0000-0x00007FFB2A3C0000-memory.dmp

Filesize
64KB

Download
memory/4680-267-0x0000000000000000-mapping.dmp

Download
memory/4700-263-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads