4e5b8ea876391327aaef419aa8ac980a4afbb181c87bab440b200ca70563c1b1

General

Target

4e5b8ea876391327aaef419aa8ac980a4afbb181c87bab440b200ca70563c1b1.xls
Size

56KB
MD5

c497c874c95cd45c89ea42286043e140
SHA1

e2ff65eebed974819af5d42fea17c53b6f4c6cba
SHA256

4e5b8ea876391327aaef419aa8ac980a4afbb181c87bab440b200ca70563c1b1
SHA512

d597d8cd431cf9d45aa8545f391f9c075e9f924cbcd5ae0546b4fdecab4106f222169f6bae073fc07c1507ad7955ff52f19b32cae274c0a6feac0ce27b1eb1a9
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.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1104	2392	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 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

pid	Process
2392	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2392	EXCEL.EXE
2392	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2392	EXCEL.EXE
2392	EXCEL.EXE
2392	EXCEL.EXE
2392	EXCEL.EXE
2392	EXCEL.EXE
2392	EXCEL.EXE
2392	EXCEL.EXE
2392	EXCEL.EXE
2392	EXCEL.EXE
2392	EXCEL.EXE
2392	EXCEL.EXE
2392	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 1104	2392	EXCEL.EXE	98
PID 2392 wrote to memory of 1104	2392	EXCEL.EXE	98
PID 2392 wrote to memory of 1104	2392	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\4e5b8ea876391327aaef419aa8ac980a4afbb181c87bab440b200ca70563c1b1.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:2392
- 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:1104

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\adw.dll

Filesize
82B

MD5
98f4a2fc2ed62a2d58dfd8665525bdf6

SHA1
6263986a53868c51cea22db308470af551bb2075

SHA256
3c1a63b59c237d3bb143e42eb9d309be15312ff604c51bc8ab1fdd1c4b3e08fe

SHA512
1ac507d20459ea5a4fb58c6be36fcc0dfc7c1e117a99bae97c52b5498dfbc7bfdb8cf20840fd202db59dbb711e815c3f3f90efb43fec296f0260ee89bce35455

Download Submit
memory/2392-13-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/2392-4-0x00007FFB5F330000-0x00007FFB5F340000-memory.dmp

Filesize
64KB

Download
memory/2392-7-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/2392-5-0x00007FFB5F330000-0x00007FFB5F340000-memory.dmp

Filesize
64KB

Download
memory/2392-9-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/2392-8-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/2392-12-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/2392-11-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/2392-15-0x00007FFB5CB80000-0x00007FFB5CB90000-memory.dmp

Filesize
64KB

Download
memory/2392-1-0x00007FFB9F34D000-0x00007FFB9F34E000-memory.dmp

Filesize
4KB

Download
memory/2392-0-0x00007FFB5F330000-0x00007FFB5F340000-memory.dmp

Filesize
64KB

Download
memory/2392-2-0x00007FFB5F330000-0x00007FFB5F340000-memory.dmp

Filesize
64KB

Download
memory/2392-14-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/2392-6-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/2392-16-0x00007FFB5CB80000-0x00007FFB5CB90000-memory.dmp

Filesize
64KB

Download
memory/2392-17-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/2392-18-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/2392-3-0x00007FFB5F330000-0x00007FFB5F340000-memory.dmp

Filesize
64KB

Download
memory/2392-28-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/2392-29-0x00007FFB9F34D000-0x00007FFB9F34E000-memory.dmp

Filesize
4KB

Download
memory/2392-30-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/2392-10-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads