c5e06aa5e3aa86537eafe8e40399adb93b99bdadce3b3549a89b4f2802d7b853

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 04:52

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General

Target

c5e06aa5e3aa86537eafe8e40399adb93b99bdadce3b3549a89b4f2802d7b853.xls
Size

91KB
MD5

dd09e688c85c2f34afd9efbca73abcc1
SHA1

1fd46f2255cba22439668c2af84f2960b6668d0f
SHA256

c5e06aa5e3aa86537eafe8e40399adb93b99bdadce3b3549a89b4f2802d7b853
SHA512

b9cb19ba4b84f0598bdade8c40402390762c95c7e6893e576f0f74b2a154eb171573ed52ab19a03880ec08f981a3a89d925ea5c1b78801d24c54bb1ac86b967b
SSDEEP

1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgEbCXuZH4gb4CEn9J4ZAEM:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg5

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.muyehuayi.com/cmp/8asA99KPsyA/v6lUsWbLen/

xlm40.dropper

http://concivilpa.com.py/wp-admin/i3CQu9dzDrMW/

xlm40.dropper

https://wijsneusmedia.nl/cgi-bin/kFB/

xlm40.dropper

http://www.angloextrema.com.br/assets/oEt1yYckHKlnNIq/

Signatures

Process spawned unexpected child process 4 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	2696	2612	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2924	2612	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2828	2612	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2532	2612	regsvr32.exe	29

System Location Discovery: System Language Discovery 1 TTPs 5 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	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.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

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2612	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2612	EXCEL.EXE
2612	EXCEL.EXE
2612	EXCEL.EXE

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 2696	2612	EXCEL.EXE	30
PID 2612 wrote to memory of 2696	2612	EXCEL.EXE	30
PID 2612 wrote to memory of 2696	2612	EXCEL.EXE	30
PID 2612 wrote to memory of 2696	2612	EXCEL.EXE	30
PID 2612 wrote to memory of 2696	2612	EXCEL.EXE	30
PID 2612 wrote to memory of 2696	2612	EXCEL.EXE	30
PID 2612 wrote to memory of 2696	2612	EXCEL.EXE	30
PID 2612 wrote to memory of 2924	2612	EXCEL.EXE	31
PID 2612 wrote to memory of 2924	2612	EXCEL.EXE	31
PID 2612 wrote to memory of 2924	2612	EXCEL.EXE	31
PID 2612 wrote to memory of 2924	2612	EXCEL.EXE	31
PID 2612 wrote to memory of 2924	2612	EXCEL.EXE	31
PID 2612 wrote to memory of 2924	2612	EXCEL.EXE	31
PID 2612 wrote to memory of 2924	2612	EXCEL.EXE	31
PID 2612 wrote to memory of 2828	2612	EXCEL.EXE	32
PID 2612 wrote to memory of 2828	2612	EXCEL.EXE	32
PID 2612 wrote to memory of 2828	2612	EXCEL.EXE	32
PID 2612 wrote to memory of 2828	2612	EXCEL.EXE	32
PID 2612 wrote to memory of 2828	2612	EXCEL.EXE	32
PID 2612 wrote to memory of 2828	2612	EXCEL.EXE	32
PID 2612 wrote to memory of 2828	2612	EXCEL.EXE	32
PID 2612 wrote to memory of 2532	2612	EXCEL.EXE	33
PID 2612 wrote to memory of 2532	2612	EXCEL.EXE	33
PID 2612 wrote to memory of 2532	2612	EXCEL.EXE	33
PID 2612 wrote to memory of 2532	2612	EXCEL.EXE	33
PID 2612 wrote to memory of 2532	2612	EXCEL.EXE	33
PID 2612 wrote to memory of 2532	2612	EXCEL.EXE	33
PID 2612 wrote to memory of 2532	2612	EXCEL.EXE	33

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\c5e06aa5e3aa86537eafe8e40399adb93b99bdadce3b3549a89b4f2802d7b853.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:2612
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2696
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2924
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2828
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2532

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

memory/2612-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

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memory/2612-1-0x000000007299D000-0x00000000729A8000-memory.dmp

Filesize
44KB

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memory/2612-17-0x000000007299D000-0x00000000729A8000-memory.dmp

Filesize
44KB

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads