8a1c312d68131b68815cb3df69cf471ac2b3c646dcd11cb48f143ac99b84d67d

General

Target

8a1c312d68131b68815cb3df69cf471ac2b3c646dcd11cb48f143ac99b84d67d.xlsm
Size

48KB
MD5

c7ba582797d2fe7e7ba8db046f4fc96c
SHA1

518172a2614799d8821188d4c8fb5d4f12162b52
SHA256

8a1c312d68131b68815cb3df69cf471ac2b3c646dcd11cb48f143ac99b84d67d
SHA512

cf258e38396e0454f68941c6f0bb20a2f36e7bec13f5dac017e00ab4be0889e06d2bf7928462b7232ee57f93b62e65e751068c177f452d39bca467902f01052c
SSDEEP

768:I2uCkFF/vxRhR0KDNWBA7rTj+RYV8Q0RuVBR2jPrtysHRX0BAR5:fuTlbMKDNck01u/R2rZyjB+5

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://henrysfreshroast.com/OevI7Yy0i6YShxFl/

Signatures

Process spawned unexpected child process 1 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	456	1936	regsvr32.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.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

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

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

pid	Process
1936	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1936	EXCEL.EXE
1936	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1936	EXCEL.EXE
1936	EXCEL.EXE
1936	EXCEL.EXE
1936	EXCEL.EXE
1936	EXCEL.EXE
1936	EXCEL.EXE
1936	EXCEL.EXE
1936	EXCEL.EXE
1936	EXCEL.EXE
1936	EXCEL.EXE
1936	EXCEL.EXE
1936	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 456	1936	EXCEL.EXE	95
PID 1936 wrote to memory of 456	1936	EXCEL.EXE	95
PID 1936 wrote to memory of 456	1936	EXCEL.EXE	95

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8a1c312d68131b68815cb3df69cf471ac2b3c646dcd11cb48f143ac99b84d67d.xlsm"
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:1936
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\si.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
1KB

MD5
9e596353ab121157f33d2be6d8fb90ed

SHA1
90e935de67d98d9e71875895b2290bddf643313e

SHA256
29479cf71320cd57f437b39f31937702dd55a9650d540b634c991a21544dcab1

SHA512
cd86398715fdbe5585992c0335ad702cf621717e1881041c611fbfd164d76f59104e657e8b14e75ad5aad5a475cffdafa82e68fb9d5e48f53f9bb41c888e00a9

Download Submit
C:\Users\Admin\si.ocx

Filesize
56KB

MD5
d5cbf3235a39c09c9d292dafdf0393a5

SHA1
ae109e202e6f0965b47f38ee29b3725800939a9f

SHA256
208d15c175407bc56c9e1d1a6e31290cf8c04fe1da742e4ad0dbe06960b7f1dd

SHA512
202212aeb1cabe772e05ec7649b83be4a04b68b644a1621993e91e370dc0b9de268ea50f0dab3a74178ecb648d06b5173222d3ed1f0e31d04abeded020b079bd

Download Submit
memory/1936-12-0x00007FFCB16F0000-0x00007FFCB1700000-memory.dmp

Filesize
64KB

Download
memory/1936-10-0x00007FFCF3870000-0x00007FFCF3A65000-memory.dmp

Filesize
2.0MB

Download
memory/1936-4-0x00007FFCB38F0000-0x00007FFCB3900000-memory.dmp

Filesize
64KB

Download
memory/1936-6-0x00007FFCF3870000-0x00007FFCF3A65000-memory.dmp

Filesize
2.0MB

Download
memory/1936-5-0x00007FFCF3870000-0x00007FFCF3A65000-memory.dmp

Filesize
2.0MB

Download
memory/1936-7-0x00007FFCB38F0000-0x00007FFCB3900000-memory.dmp

Filesize
64KB

Download
memory/1936-13-0x00007FFCB16F0000-0x00007FFCB1700000-memory.dmp

Filesize
64KB

Download
memory/1936-9-0x00007FFCF3870000-0x00007FFCF3A65000-memory.dmp

Filesize
2.0MB

Download
memory/1936-8-0x00007FFCF3870000-0x00007FFCF3A65000-memory.dmp

Filesize
2.0MB

Download
memory/1936-11-0x00007FFCF3870000-0x00007FFCF3A65000-memory.dmp

Filesize
2.0MB

Download
memory/1936-2-0x00007FFCB38F0000-0x00007FFCB3900000-memory.dmp

Filesize
64KB

Download
memory/1936-1-0x00007FFCF390D000-0x00007FFCF390E000-memory.dmp

Filesize
4KB

Download
memory/1936-40-0x00007FFCF3870000-0x00007FFCF3A65000-memory.dmp

Filesize
2.0MB

Download
memory/1936-3-0x00007FFCB38F0000-0x00007FFCB3900000-memory.dmp

Filesize
64KB

Download
memory/1936-38-0x00007FFCF390D000-0x00007FFCF390E000-memory.dmp

Filesize
4KB

Download
memory/1936-39-0x00007FFCF3870000-0x00007FFCF3A65000-memory.dmp

Filesize
2.0MB

Download
memory/1936-36-0x00007FFCF3870000-0x00007FFCF3A65000-memory.dmp

Filesize
2.0MB

Download
memory/1936-41-0x00007FFCF3870000-0x00007FFCF3A65000-memory.dmp

Filesize
2.0MB

Download
memory/1936-43-0x00007FFCF3870000-0x00007FFCF3A65000-memory.dmp

Filesize
2.0MB

Download
memory/1936-42-0x00007FFCF3870000-0x00007FFCF3A65000-memory.dmp

Filesize
2.0MB

Download
memory/1936-44-0x00007FFCF3870000-0x00007FFCF3A65000-memory.dmp

Filesize
2.0MB

Download
memory/1936-45-0x00007FFCF3870000-0x00007FFCF3A65000-memory.dmp

Filesize
2.0MB

Download
memory/1936-46-0x00007FFCF3870000-0x00007FFCF3A65000-memory.dmp

Filesize
2.0MB

Download
memory/1936-0-0x00007FFCB38F0000-0x00007FFCB3900000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads