e113ad079da437348ebde28f4099840f8b465e31d77d87a5bcd32a632e9e2a3b

General

Target

e113ad079da437348ebde28f4099840f8b465e31d77d87a5bcd32a632e9e2a3b.xls
Size

95KB
MD5

3878fb6e7d6ca4209c70befe44b10109
SHA1

8333b4aa4b12c400dfae45461f2427b2469f6913
SHA256

e113ad079da437348ebde28f4099840f8b465e31d77d87a5bcd32a632e9e2a3b
SHA512

4afbece5aa23ee9b9abcc9fffda5cb06d0148e7b2277adbafba164054748bb0dab0a70d6dbc6faeb1ea2899e25e7d13bedb67fd92dd2d807706b2a56097bd01c

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	4712	2636	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4084	2636	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2876	2636	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3564	2636	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 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

2636 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2636 EXCEL.EXE
2636 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2636 wrote to memory of 4712	2636	EXCEL.EXE	regsvr32.exe
PID 2636 wrote to memory of 4712	2636	EXCEL.EXE	regsvr32.exe
PID 2636 wrote to memory of 4084	2636	EXCEL.EXE	regsvr32.exe
PID 2636 wrote to memory of 4084	2636	EXCEL.EXE	regsvr32.exe
PID 2636 wrote to memory of 2876	2636	EXCEL.EXE	regsvr32.exe
PID 2636 wrote to memory of 2876	2636	EXCEL.EXE	regsvr32.exe
PID 2636 wrote to memory of 3564	2636	EXCEL.EXE	regsvr32.exe
PID 2636 wrote to memory of 3564	2636	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\e113ad079da437348ebde28f4099840f8b465e31d77d87a5bcd32a632e9e2a3b.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:2636

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:4712

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:4084

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:2876

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3564

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/2636-118-0x00007FFE836A0000-0x00007FFE836B0000-memory.dmp

Filesize
64KB

Download
memory/2636-117-0x00007FFE836A0000-0x00007FFE836B0000-memory.dmp

Filesize
64KB

Download
memory/2636-120-0x00007FFE836A0000-0x00007FFE836B0000-memory.dmp

Filesize
64KB

Download
memory/2636-119-0x00007FFE836A0000-0x00007FFE836B0000-memory.dmp

Filesize
64KB

Download
memory/2636-129-0x00007FFE80A50000-0x00007FFE80A60000-memory.dmp

Filesize
64KB

Download
memory/2636-130-0x00007FFE80A50000-0x00007FFE80A60000-memory.dmp

Filesize
64KB

Download
memory/2876-253-0x0000000000000000-mapping.dmp

Download
memory/3564-256-0x0000000000000000-mapping.dmp

Download
memory/4084-252-0x0000000000000000-mapping.dmp

Download
memory/4712-251-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads