91210d850138ce072e437f032b1c5f57d26c0201d905b173ee57470ee0e7f765

General

Target

91210d850138ce072e437f032b1c5f57d26c0201d905b173ee57470ee0e7f765.xls
Size

95KB
MD5

df0b07090ed421ac039e9f586ae6fafb
SHA1

954cf0fc34dfc9250187c328921d979114198c95
SHA256

91210d850138ce072e437f032b1c5f57d26c0201d905b173ee57470ee0e7f765
SHA512

8526808f49bf628be74b7d747e2f27dcf5f57c3dd981db1b50f2030ef1a9ce220bded7e71c79262f5bebdedb485c1ea576f282a522324e6fb9267a823606ce4d

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	3576	2152	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3920	2152	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2676	2152	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4080	2152	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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 opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2152 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2152 wrote to memory of 3576	2152	EXCEL.EXE	regsvr32.exe
PID 2152 wrote to memory of 3576	2152	EXCEL.EXE	regsvr32.exe
PID 2152 wrote to memory of 3920	2152	EXCEL.EXE	regsvr32.exe
PID 2152 wrote to memory of 3920	2152	EXCEL.EXE	regsvr32.exe
PID 2152 wrote to memory of 2676	2152	EXCEL.EXE	regsvr32.exe
PID 2152 wrote to memory of 2676	2152	EXCEL.EXE	regsvr32.exe
PID 2152 wrote to memory of 4080	2152	EXCEL.EXE	regsvr32.exe
PID 2152 wrote to memory of 4080	2152	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\91210d850138ce072e437f032b1c5f57d26c0201d905b173ee57470ee0e7f765.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2152

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3576

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3920

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:2676

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4080

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/2152-118-0x00007FFDCD4E0000-0x00007FFDCD4F0000-memory.dmp

Filesize
64KB

Download
memory/2152-119-0x00007FFDCD4E0000-0x00007FFDCD4F0000-memory.dmp

Filesize
64KB

Download
memory/2152-120-0x00007FFDCD4E0000-0x00007FFDCD4F0000-memory.dmp

Filesize
64KB

Download
memory/2152-121-0x00007FFDCD4E0000-0x00007FFDCD4F0000-memory.dmp

Filesize
64KB

Download
memory/2152-130-0x00007FFDCA480000-0x00007FFDCA490000-memory.dmp

Filesize
64KB

Download
memory/2152-131-0x00007FFDCA480000-0x00007FFDCA490000-memory.dmp

Filesize
64KB

Download
memory/2676-262-0x0000000000000000-mapping.dmp

Download
memory/3576-260-0x0000000000000000-mapping.dmp

Download
memory/3920-261-0x0000000000000000-mapping.dmp

Download
memory/4080-265-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads