782ca60048a212cd4aa97f13c43a6f685a4b7f19158ee83cc45f1d4a99b3cda1

General

Target

782ca60048a212cd4aa97f13c43a6f685a4b7f19158ee83cc45f1d4a99b3cda1.xls
Size

56KB
MD5

4597867f7e13ed3b27971c8772cf2683
SHA1

f6c79de5edbab3320737f251978e53b3f74c7db6
SHA256

782ca60048a212cd4aa97f13c43a6f685a4b7f19158ee83cc45f1d4a99b3cda1
SHA512

3ed9db0b36695b66369352e030c088e4706f5406d10d4456dffa7fe74affd1ac6c4ac2c56671142fcdfc25cf2defa1e8aa66d427256bc5dda22c56c0fd213b3d
SSDEEP

1536:VsKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg/5G9XSZ4umvf:aKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgM

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://church.ktc-center.net/PbSkdCOW/

xlm40.dropper

https://chobemaster.com/components/gus/

xlm40.dropper

https://christianchapman.com/cgi-bin/gADHL9UXSFUTN/

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	3600	4668	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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
4668	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid	Process
4668	EXCEL.EXE
4668	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	Process
4668	EXCEL.EXE
4668	EXCEL.EXE
4668	EXCEL.EXE
4668	EXCEL.EXE
4668	EXCEL.EXE
4668	EXCEL.EXE
4668	EXCEL.EXE
4668	EXCEL.EXE
4668	EXCEL.EXE
4668	EXCEL.EXE
4668	EXCEL.EXE
4668	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

EXCEL.EXE

description	pid	Process	procid_target
PID 4668 wrote to memory of 3600	4668	EXCEL.EXE	98
PID 4668 wrote to memory of 3600	4668	EXCEL.EXE	98
PID 4668 wrote to memory of 3600	4668	EXCEL.EXE	98

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\782ca60048a212cd4aa97f13c43a6f685a4b7f19158ee83cc45f1d4a99b3cda1.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:4668
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\adw.dll
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:3600

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
2KB

MD5
9a67bb93c4571fd48f828bc4893ecc49

SHA1
921f9f927243dc4901ac8fe19e8c4558e8f1b6f9

SHA256
6737ebe47b05f45986770a91fe6fa44b1a1bda896025c6745693de6ff976c525

SHA512
fcb851878b30d459fa8945350364690162c62a3ff9cf6921dc06742def2baba53561c24926b65ac459c920c4243be63af2df6cebe43ed0c71f929fdda89189bd

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

Filesize
82B

MD5
98f4a2fc2ed62a2d58dfd8665525bdf6

SHA1
6263986a53868c51cea22db308470af551bb2075

SHA256
3c1a63b59c237d3bb143e42eb9d309be15312ff604c51bc8ab1fdd1c4b3e08fe

SHA512
1ac507d20459ea5a4fb58c6be36fcc0dfc7c1e117a99bae97c52b5498dfbc7bfdb8cf20840fd202db59dbb711e815c3f3f90efb43fec296f0260ee89bce35455

Download Submit
memory/4668-4-0x00007FFE92270000-0x00007FFE92280000-memory.dmp

Filesize
64KB

Download
memory/4668-12-0x00007FFED21F0000-0x00007FFED23E5000-memory.dmp

Filesize
2.0MB

Download
memory/4668-9-0x00007FFED21F0000-0x00007FFED23E5000-memory.dmp

Filesize
2.0MB

Download
memory/4668-10-0x00007FFED21F0000-0x00007FFED23E5000-memory.dmp

Filesize
2.0MB

Download
memory/4668-8-0x00007FFED21F0000-0x00007FFED23E5000-memory.dmp

Filesize
2.0MB

Download
memory/4668-7-0x00007FFE92270000-0x00007FFE92280000-memory.dmp

Filesize
64KB

Download
memory/4668-6-0x00007FFED21F0000-0x00007FFED23E5000-memory.dmp

Filesize
2.0MB

Download
memory/4668-5-0x00007FFED21F0000-0x00007FFED23E5000-memory.dmp

Filesize
2.0MB

Download
memory/4668-2-0x00007FFE92270000-0x00007FFE92280000-memory.dmp

Filesize
64KB

Download
memory/4668-0-0x00007FFE92270000-0x00007FFE92280000-memory.dmp

Filesize
64KB

Download
memory/4668-11-0x00007FFED21F0000-0x00007FFED23E5000-memory.dmp

Filesize
2.0MB

Download
memory/4668-13-0x00007FFED21F0000-0x00007FFED23E5000-memory.dmp

Filesize
2.0MB

Download
memory/4668-14-0x00007FFE8F960000-0x00007FFE8F970000-memory.dmp

Filesize
64KB

Download
memory/4668-15-0x00007FFE8F960000-0x00007FFE8F970000-memory.dmp

Filesize
64KB

Download
memory/4668-25-0x00007FFED21F0000-0x00007FFED23E5000-memory.dmp

Filesize
2.0MB

Download
memory/4668-26-0x00007FFED228D000-0x00007FFED228E000-memory.dmp

Filesize
4KB

Download
memory/4668-27-0x00007FFED21F0000-0x00007FFED23E5000-memory.dmp

Filesize
2.0MB

Download
memory/4668-1-0x00007FFED228D000-0x00007FFED228E000-memory.dmp

Filesize
4KB

Download
memory/4668-3-0x00007FFE92270000-0x00007FFE92280000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads