c7e1246cea308fa5ccf0f6ab47878ed3b4bc721b404ffd25d486c95587140a94

General

Target

c7e1246cea308fa5ccf0f6ab47878ed3b4bc721b404ffd25d486c95587140a94.xlsm
Size

48KB
MD5

2c8e9fd090f05c55ab7e1c20fb607974
SHA1

4f16d9200a44c769ed9e957b432b4d89c6aa5e01
SHA256

c7e1246cea308fa5ccf0f6ab47878ed3b4bc721b404ffd25d486c95587140a94
SHA512

8e6a7617168aef76eb5fe892dddcec377e1c99b39bd6c96bf5c389b232cfedbff4988c8ebe15f74923c6d7cc52620949c0990240c6743bdde70edf626effa074
SSDEEP

768:k2uCkFF/vxRhR0KDNWBA7rTj+RYV8Q0RuVBR2jPrtysHRX0BAR5:LuTlbMKDNck01u/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.

Processes:

regsvr32.exe

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4272	4648	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

Processes:

regsvr32.exe

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

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
4648	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid	Process
4648	EXCEL.EXE
4648	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	Process
4648	EXCEL.EXE
4648	EXCEL.EXE
4648	EXCEL.EXE
4648	EXCEL.EXE
4648	EXCEL.EXE
4648	EXCEL.EXE
4648	EXCEL.EXE
4648	EXCEL.EXE
4648	EXCEL.EXE
4648	EXCEL.EXE
4648	EXCEL.EXE
4648	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

EXCEL.EXE

description	pid	Process	procid_target
PID 4648 wrote to memory of 4272	4648	EXCEL.EXE	93
PID 4648 wrote to memory of 4272	4648	EXCEL.EXE	93
PID 4648 wrote to memory of 4272	4648	EXCEL.EXE	93

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\c7e1246cea308fa5ccf0f6ab47878ed3b4bc721b404ffd25d486c95587140a94.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:4648
- 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:4272

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
f2272b71d7918b1801248afe24611770

SHA1
3b133562a3aef9253d82c1c4535f7cc8ca6ba427

SHA256
13d4c138ea645adcdb9ea36e77f151d844f1fbc2d00ad9597b009069cb66ce5c

SHA512
2771228740ef9d8566548dfb5c01d4f6057b244e0af765a103b85b5108e211a7d0a6cc7edc54b38eeec974280e7fa90d988305a6c7666e5331de9d95e80b5ef7

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

Filesize
56KB

MD5
d5cbf3235a39c09c9d292dafdf0393a5

SHA1
ae109e202e6f0965b47f38ee29b3725800939a9f

SHA256
208d15c175407bc56c9e1d1a6e31290cf8c04fe1da742e4ad0dbe06960b7f1dd

SHA512
202212aeb1cabe772e05ec7649b83be4a04b68b644a1621993e91e370dc0b9de268ea50f0dab3a74178ecb648d06b5173222d3ed1f0e31d04abeded020b079bd

Download Submit
memory/4648-8-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/4648-9-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/4648-6-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/4648-5-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/4648-4-0x00007FFE0E950000-0x00007FFE0E960000-memory.dmp

Filesize
64KB

Download
memory/4648-7-0x00007FFE0E950000-0x00007FFE0E960000-memory.dmp

Filesize
64KB

Download
memory/4648-1-0x00007FFE4E96D000-0x00007FFE4E96E000-memory.dmp

Filesize
4KB

Download
memory/4648-2-0x00007FFE0E950000-0x00007FFE0E960000-memory.dmp

Filesize
64KB

Download
memory/4648-10-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/4648-11-0x00007FFE0C820000-0x00007FFE0C830000-memory.dmp

Filesize
64KB

Download
memory/4648-12-0x00007FFE0C820000-0x00007FFE0C830000-memory.dmp

Filesize
64KB

Download
memory/4648-3-0x00007FFE0E950000-0x00007FFE0E960000-memory.dmp

Filesize
64KB

Download
memory/4648-34-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/4648-35-0x00007FFE4E96D000-0x00007FFE4E96E000-memory.dmp

Filesize
4KB

Download
memory/4648-36-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/4648-0-0x00007FFE0E950000-0x00007FFE0E960000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads