0b070bad0bd2b0f4d7846c6cda84171d341f586a12edd8f58eed6a55d5e4dc06

Analysis

max time kernel
61s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 22:56

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General

Target

0b070bad0bd2b0f4d7846c6cda84171d341f586a12edd8f58eed6a55d5e4dc06.xls
Size

56KB
MD5

8c34ead262ea23890ca5f6f7f9840242
SHA1

d3b89255707f80d790773a0e548091df7baa338d
SHA256

0b070bad0bd2b0f4d7846c6cda84171d341f586a12edd8f58eed6a55d5e4dc06
SHA512

f6bb34dabcc1dfab1578281f6005d9c1374c423d9ba3c434225eb74e6a3c059ab0b4a482a24fa0b35caf61873e81efe8b1345afc7943c45321e9ced12990d7b6
SSDEEP

1536:VsKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg/5G9XSZ4umvj:aKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgo

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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2836	2344	regsvr32.exe	28

System Location Discovery: System Language Discovery 1 TTPs 2 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:

EXCEL.EXEregsvr32.exe

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

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid	Process
2344	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid	Process
2344	EXCEL.EXE
2344	EXCEL.EXE
2344	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	Process	procid_target
PID 2344 wrote to memory of 2836	2344	EXCEL.EXE	30
PID 2344 wrote to memory of 2836	2344	EXCEL.EXE	30
PID 2344 wrote to memory of 2836	2344	EXCEL.EXE	30
PID 2344 wrote to memory of 2836	2344	EXCEL.EXE	30
PID 2344 wrote to memory of 2836	2344	EXCEL.EXE	30
PID 2344 wrote to memory of 2836	2344	EXCEL.EXE	30
PID 2344 wrote to memory of 2836	2344	EXCEL.EXE	30

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\0b070bad0bd2b0f4d7846c6cda84171d341f586a12edd8f58eed6a55d5e4dc06.xls
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2344
- 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:2836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

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/2344-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2344-1-0x00000000722CD000-0x00000000722D8000-memory.dmp

Filesize
44KB

Download
memory/2344-2-0x00000000722CD000-0x00000000722D8000-memory.dmp

Filesize
44KB

Download