dcd031931c7c6e8c3700a7bc9a8cca77b712235f00a2648ad15c1f0bc344ecb2

Analysis

max time kernel
139s
max time network
148s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 18:39

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General

Target

dcd031931c7c6e8c3700a7bc9a8cca77b712235f00a2648ad15c1f0bc344ecb2.xls
Size

95KB
MD5

3e4a39f624218a36a43cc23cba71836e
SHA1

cba78d712232b2df7a43dd9db861c24efe63db92
SHA256

dcd031931c7c6e8c3700a7bc9a8cca77b712235f00a2648ad15c1f0bc344ecb2
SHA512

4216ff50060589322a87417c2be62c649e78e94f853f0c8ad8ae7888c1be1838dd33d3601a405d71b525321fa1e99e017f2ebbf53215d8ec5fd7ba01aa17592d
SSDEEP

1536:iFKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg1HuS4hcTO97v7UYdEJmSCA+:cKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgK

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://francite.net/images/XI7zS0X1nY/

xlm40.dropper

https://cointrade.world/receipts/Sa6fYJpecEVqiRf05/

xlm40.dropper

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

xlm40.dropper

http://haircutbar.com/cgi-bin/SpJT9OKPmUpJfkGqv/

Signatures

Process spawned unexpected child process 4 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.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	2912	2104	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2944	2104	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	3000	2104	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2880	2104	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

Processes:

regsvr32.exeEXCEL.EXEregsvr32.exeregsvr32.exeregsvr32.exe

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
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

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
2104	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid	Process
2104	EXCEL.EXE
2104	EXCEL.EXE
2104	EXCEL.EXE

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

EXCEL.EXE

description	pid	Process	procid_target
PID 2104 wrote to memory of 2912	2104	EXCEL.EXE	30
PID 2104 wrote to memory of 2912	2104	EXCEL.EXE	30
PID 2104 wrote to memory of 2912	2104	EXCEL.EXE	30
PID 2104 wrote to memory of 2912	2104	EXCEL.EXE	30
PID 2104 wrote to memory of 2912	2104	EXCEL.EXE	30
PID 2104 wrote to memory of 2912	2104	EXCEL.EXE	30
PID 2104 wrote to memory of 2912	2104	EXCEL.EXE	30
PID 2104 wrote to memory of 2944	2104	EXCEL.EXE	32
PID 2104 wrote to memory of 2944	2104	EXCEL.EXE	32
PID 2104 wrote to memory of 2944	2104	EXCEL.EXE	32
PID 2104 wrote to memory of 2944	2104	EXCEL.EXE	32
PID 2104 wrote to memory of 2944	2104	EXCEL.EXE	32
PID 2104 wrote to memory of 2944	2104	EXCEL.EXE	32
PID 2104 wrote to memory of 2944	2104	EXCEL.EXE	32
PID 2104 wrote to memory of 3000	2104	EXCEL.EXE	33
PID 2104 wrote to memory of 3000	2104	EXCEL.EXE	33
PID 2104 wrote to memory of 3000	2104	EXCEL.EXE	33
PID 2104 wrote to memory of 3000	2104	EXCEL.EXE	33
PID 2104 wrote to memory of 3000	2104	EXCEL.EXE	33
PID 2104 wrote to memory of 3000	2104	EXCEL.EXE	33
PID 2104 wrote to memory of 3000	2104	EXCEL.EXE	33
PID 2104 wrote to memory of 2880	2104	EXCEL.EXE	34
PID 2104 wrote to memory of 2880	2104	EXCEL.EXE	34
PID 2104 wrote to memory of 2880	2104	EXCEL.EXE	34
PID 2104 wrote to memory of 2880	2104	EXCEL.EXE	34
PID 2104 wrote to memory of 2880	2104	EXCEL.EXE	34
PID 2104 wrote to memory of 2880	2104	EXCEL.EXE	34
PID 2104 wrote to memory of 2880	2104	EXCEL.EXE	34

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\dcd031931c7c6e8c3700a7bc9a8cca77b712235f00a2648ad15c1f0bc344ecb2.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:2104
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2912
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2944
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:3000
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2880

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/2104-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

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memory/2104-1-0x000000007220D000-0x0000000072218000-memory.dmp

Filesize
44KB

Download
memory/2104-2-0x000000007220D000-0x0000000072218000-memory.dmp

Filesize
44KB

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