cdfee1d66799bc0e13e28fadcf801e2e11e664bb797916a7dcc7e29449597c16

Analysis

max time kernel
139s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 03:46

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General

Target

cdfee1d66799bc0e13e28fadcf801e2e11e664bb797916a7dcc7e29449597c16.xls
Size

95KB
MD5

e92bf5c67cb59db15094cf2b9a57bcd7
SHA1

220e7cde25492e0e8fd818c8247170cc4e857003
SHA256

cdfee1d66799bc0e13e28fadcf801e2e11e664bb797916a7dcc7e29449597c16
SHA512

6fe51addff3c8188f590afcce352949036b773631ab35640100a0b73d89ad735b996c022b45c2ec15c384984163b6cdcc770f84731f8d3747185def1e81a9c8f
SSDEEP

1536:iFKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgYHuS4hcTO97v7UYdEJmF12:cKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg4

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://educacionsanvicentefundacion.com/iplookup/wYEInbaN/

xlm40.dropper

https://www.4monkeys.com/wp-admin/dNAuBEKo/

xlm40.dropper

http://haircutbar.com/cgi-bin/dNfEA5F/

xlm40.dropper

http://gedebey-tvradio.info/wp-includes/T0J9THbd5f2/

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	2692	1624	regsvr32.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2772	1624	regsvr32.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2720	1624	regsvr32.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2252	1624	regsvr32.exe	30

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
1624	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1624	EXCEL.EXE
1624	EXCEL.EXE
1624	EXCEL.EXE

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 2692	1624	EXCEL.EXE	32
PID 1624 wrote to memory of 2692	1624	EXCEL.EXE	32
PID 1624 wrote to memory of 2692	1624	EXCEL.EXE	32
PID 1624 wrote to memory of 2692	1624	EXCEL.EXE	32
PID 1624 wrote to memory of 2692	1624	EXCEL.EXE	32
PID 1624 wrote to memory of 2692	1624	EXCEL.EXE	32
PID 1624 wrote to memory of 2692	1624	EXCEL.EXE	32
PID 1624 wrote to memory of 2772	1624	EXCEL.EXE	33
PID 1624 wrote to memory of 2772	1624	EXCEL.EXE	33
PID 1624 wrote to memory of 2772	1624	EXCEL.EXE	33
PID 1624 wrote to memory of 2772	1624	EXCEL.EXE	33
PID 1624 wrote to memory of 2772	1624	EXCEL.EXE	33
PID 1624 wrote to memory of 2772	1624	EXCEL.EXE	33
PID 1624 wrote to memory of 2772	1624	EXCEL.EXE	33
PID 1624 wrote to memory of 2720	1624	EXCEL.EXE	34
PID 1624 wrote to memory of 2720	1624	EXCEL.EXE	34
PID 1624 wrote to memory of 2720	1624	EXCEL.EXE	34
PID 1624 wrote to memory of 2720	1624	EXCEL.EXE	34
PID 1624 wrote to memory of 2720	1624	EXCEL.EXE	34
PID 1624 wrote to memory of 2720	1624	EXCEL.EXE	34
PID 1624 wrote to memory of 2720	1624	EXCEL.EXE	34
PID 1624 wrote to memory of 2252	1624	EXCEL.EXE	35
PID 1624 wrote to memory of 2252	1624	EXCEL.EXE	35
PID 1624 wrote to memory of 2252	1624	EXCEL.EXE	35
PID 1624 wrote to memory of 2252	1624	EXCEL.EXE	35
PID 1624 wrote to memory of 2252	1624	EXCEL.EXE	35
PID 1624 wrote to memory of 2252	1624	EXCEL.EXE	35
PID 1624 wrote to memory of 2252	1624	EXCEL.EXE	35

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\cdfee1d66799bc0e13e28fadcf801e2e11e664bb797916a7dcc7e29449597c16.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:1624
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya1.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2692
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya2.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2772
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya3.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2720
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya4.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2252

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/1624-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

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memory/1624-1-0x000000007229D000-0x00000000722A8000-memory.dmp

Filesize
44KB

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memory/1624-12-0x000000007229D000-0x00000000722A8000-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