bb15fbc1ee0642e8b2a2e8c28302fda70e963e04de777510f1570fb2731fabb4

Analysis

max time kernel
119s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 16:00

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General

Target

bb15fbc1ee0642e8b2a2e8c28302fda70e963e04de777510f1570fb2731fabb4.xls
Size

56KB
MD5

de65c1424ae799019aac5992fac40635
SHA1

a445fec3cf93835b0f6890a3281e84a3a3d15e96
SHA256

bb15fbc1ee0642e8b2a2e8c28302fda70e963e04de777510f1570fb2731fabb4
SHA512

04f5ded2975b38f2595652d027c1e2f7f15976ad4e1d00daa1cbb087456e139c8addb195c604d47f07180ee16699a824a194a86b6c88ee659cffea3b1c57084f
SSDEEP

1536:VsKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg/5G9XSZ4umv/:aKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgs

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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2640	2528	regsvr32.exe	29

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

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

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2528	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2528	EXCEL.EXE
2528	EXCEL.EXE
2528	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2640	2528	EXCEL.EXE	32
PID 2528 wrote to memory of 2640	2528	EXCEL.EXE	32
PID 2528 wrote to memory of 2640	2528	EXCEL.EXE	32
PID 2528 wrote to memory of 2640	2528	EXCEL.EXE	32
PID 2528 wrote to memory of 2640	2528	EXCEL.EXE	32
PID 2528 wrote to memory of 2640	2528	EXCEL.EXE	32
PID 2528 wrote to memory of 2640	2528	EXCEL.EXE	32

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\bb15fbc1ee0642e8b2a2e8c28302fda70e963e04de777510f1570fb2731fabb4.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:2528
- 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:2640

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/2528-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2528-1-0x000000007209D000-0x00000000720A8000-memory.dmp

Filesize
44KB

Download
memory/2528-2-0x000000007209D000-0x00000000720A8000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads