7a34b7338d6059c4fe8f9389a6e346ad52e868477cfd472654a4aef08a968b0f

General

Target

7a34b7338d6059c4fe8f9389a6e346ad52e868477cfd472654a4aef08a968b0f.xls
Size

95KB
MD5

d7d29440f428f4819d093fb11e2a14b8
SHA1

56580dc28a0cfcce5837ec60bc309bdbe62025aa
SHA256

7a34b7338d6059c4fe8f9389a6e346ad52e868477cfd472654a4aef08a968b0f
SHA512

9373543b93e85ea97b7f761d4b01aa4e0e95986694cea9d92466999523b6e7bfc0098abd1d1ca41198c064674576c9a646acf5c6caffcb5092fd97416089ab3e

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	5116	2156	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5092	2156	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5084	2156	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4468	2156	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\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2156 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2156	EXCEL.EXE
2156	EXCEL.EXE
2156	EXCEL.EXE
2156	EXCEL.EXE
2156	EXCEL.EXE
2156	EXCEL.EXE
2156	EXCEL.EXE
2156	EXCEL.EXE
2156	EXCEL.EXE
2156	EXCEL.EXE
2156	EXCEL.EXE
2156	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2156 wrote to memory of 5116	2156	EXCEL.EXE	regsvr32.exe
PID 2156 wrote to memory of 5116	2156	EXCEL.EXE	regsvr32.exe
PID 2156 wrote to memory of 5092	2156	EXCEL.EXE	regsvr32.exe
PID 2156 wrote to memory of 5092	2156	EXCEL.EXE	regsvr32.exe
PID 2156 wrote to memory of 5084	2156	EXCEL.EXE	regsvr32.exe
PID 2156 wrote to memory of 5084	2156	EXCEL.EXE	regsvr32.exe
PID 2156 wrote to memory of 4468	2156	EXCEL.EXE	regsvr32.exe
PID 2156 wrote to memory of 4468	2156	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\7a34b7338d6059c4fe8f9389a6e346ad52e868477cfd472654a4aef08a968b0f.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2156

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:5116

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:5092

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:5084

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4468

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/2156-114-0x00007FFE528C0000-0x00007FFE528D0000-memory.dmp

Filesize
64KB

Download
memory/2156-115-0x00007FFE528C0000-0x00007FFE528D0000-memory.dmp

Filesize
64KB

Download
memory/2156-116-0x00007FFE528C0000-0x00007FFE528D0000-memory.dmp

Filesize
64KB

Download
memory/2156-117-0x00007FFE528C0000-0x00007FFE528D0000-memory.dmp

Filesize
64KB

Download
memory/2156-126-0x00007FFE4EFE0000-0x00007FFE4EFF0000-memory.dmp

Filesize
64KB

Download
memory/2156-127-0x00007FFE4EFE0000-0x00007FFE4EFF0000-memory.dmp

Filesize
64KB

Download
memory/4468-265-0x0000000000000000-mapping.dmp

Download
memory/5084-262-0x0000000000000000-mapping.dmp

Download
memory/5092-261-0x0000000000000000-mapping.dmp

Download
memory/5116-260-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads