c1b9bac37d22dc66d2fd0ad11c006c2e1658dfdb777d4ce81df9e7bbc8279f45

General

Target

c1b9bac37d22dc66d2fd0ad11c006c2e1658dfdb777d4ce81df9e7bbc8279f45.xlsm
Size

56KB
MD5

02de7c96fd6333f126a0c264aed9c4b2
SHA1

9af894e91a4a46d46576019717ea6c6cbc43f2f5
SHA256

c1b9bac37d22dc66d2fd0ad11c006c2e1658dfdb777d4ce81df9e7bbc8279f45
SHA512

cd50a55d0fef04aba9045f24379dd57a10a8d076dd166827aa693820dc1e87dfd9f46931506a6189554405863b7c73ee01e3375408a1b1b6e73455a640f64a83
SSDEEP

1536:WUsgWy4WV8cPkkhN+8ZvOVWoNwlQolOko3t0F5uVAwk6:Jsnbcpn+8ZGIFK73tMQ5

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.equus.com/2i8yt/GhBSz6peG/

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	4728	1224	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
1224	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1224	EXCEL.EXE
1224	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1224	EXCEL.EXE
1224	EXCEL.EXE
1224	EXCEL.EXE
1224	EXCEL.EXE
1224	EXCEL.EXE
1224	EXCEL.EXE
1224	EXCEL.EXE
1224	EXCEL.EXE
1224	EXCEL.EXE
1224	EXCEL.EXE
1224	EXCEL.EXE
1224	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 4728	1224	EXCEL.EXE	87
PID 1224 wrote to memory of 4728	1224	EXCEL.EXE	87
PID 1224 wrote to memory of 4728	1224	EXCEL.EXE	87

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\c1b9bac37d22dc66d2fd0ad11c006c2e1658dfdb777d4ce81df9e7bbc8279f45.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:1224
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\adw.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:4728

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
686B

MD5
f5b25116aa0719771d5a263166300420

SHA1
8ce5addb2aff105769e0a98ca5b75e4b8ce9f3fc

SHA256
f6708b45ffd18eb855f8794e62994877c929d05f5e7b3bb23e128c60a4fc2a47

SHA512
da42c0447b0cb4580c3f8d3bfdd8437c0408ca4d2e9f1a9ecbe2509d62e28a25b919229a65b0cd18571b09eb79ee1bad9a8050aab37776661a0549a86cafb7a5

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

Filesize
638B

MD5
c7617446d16b7213f3db764a2e1e2687

SHA1
0c668589ea0918533985693696ec12016c8d609d

SHA256
faedea74bbfeb00b2a46a351776282b49e9cf69f8eda107dfd6398b955e6a710

SHA512
19b80989e6e0115710a90425d13be6c5ddaa5d84bf27be5da18be51613bad8f40225fc84433a74211ce6cca3273262a5444dabb625cd99566ecdb787b124b16d

Download Submit
memory/1224-11-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

Filesize
2.0MB

Download
memory/1224-10-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

Filesize
2.0MB

Download
memory/1224-5-0x00007FFB03C50000-0x00007FFB03C60000-memory.dmp

Filesize
64KB

Download
memory/1224-2-0x00007FFB03C50000-0x00007FFB03C60000-memory.dmp

Filesize
64KB

Download
memory/1224-8-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

Filesize
2.0MB

Download
memory/1224-7-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

Filesize
2.0MB

Download
memory/1224-6-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

Filesize
2.0MB

Download
memory/1224-9-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

Filesize
2.0MB

Download
memory/1224-1-0x00007FFB43C6D000-0x00007FFB43C6E000-memory.dmp

Filesize
4KB

Download
memory/1224-4-0x00007FFB03C50000-0x00007FFB03C60000-memory.dmp

Filesize
64KB

Download
memory/1224-13-0x00007FFB01340000-0x00007FFB01350000-memory.dmp

Filesize
64KB

Download
memory/1224-12-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

Filesize
2.0MB

Download
memory/1224-14-0x00007FFB01340000-0x00007FFB01350000-memory.dmp

Filesize
64KB

Download
memory/1224-16-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

Filesize
2.0MB

Download
memory/1224-15-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

Filesize
2.0MB

Download
memory/1224-3-0x00007FFB03C50000-0x00007FFB03C60000-memory.dmp

Filesize
64KB

Download
memory/1224-32-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

Filesize
2.0MB

Download
memory/1224-33-0x00007FFB43C6D000-0x00007FFB43C6E000-memory.dmp

Filesize
4KB

Download
memory/1224-34-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

Filesize
2.0MB

Download
memory/1224-0-0x00007FFB03C50000-0x00007FFB03C60000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads