e5840a5dd007f5046bdb8ccfea92d04cbaadaa58c1d03e872b23e697b72dd70c

General

Target

e5840a5dd007f5046bdb8ccfea92d04cbaadaa58c1d03e872b23e697b72dd70c.xlsm
Size

103KB
MD5

8bc1de4dc82cc239ed5d1909262bbec1
SHA1

1a0b7d2a7dd047879b95d202e144a18ee1cf2f8f
SHA256

e5840a5dd007f5046bdb8ccfea92d04cbaadaa58c1d03e872b23e697b72dd70c
SHA512

3614dab408e1d9fd701278738a5159a2ed940e4cdb7dc75d944b7f222c546499994299442080e4a02880663e3c5c35960b6999d1f0def8edb426e90ba01076e2
SSDEEP

3072:V7vjgqu8hahYIfiQOVOveshVf4KwJQikmGo2:V7vjgrbtO8eOaDPk1o2

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://lupus.ktcatl.com/wp-content/uCccWJ/

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\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1360	4268	rundll32.exe	81

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4268	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4268	EXCEL.EXE
4268	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
4268	EXCEL.EXE
4268	EXCEL.EXE
4268	EXCEL.EXE
4268	EXCEL.EXE
4268	EXCEL.EXE
4268	EXCEL.EXE
4268	EXCEL.EXE
4268	EXCEL.EXE
4268	EXCEL.EXE
4268	EXCEL.EXE
4268	EXCEL.EXE
4268	EXCEL.EXE
4268	EXCEL.EXE
4268	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4268 wrote to memory of 1360	4268	EXCEL.EXE	86
PID 4268 wrote to memory of 1360	4268	EXCEL.EXE	86
PID 4268 wrote to memory of 1360	4268	EXCEL.EXE	86

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\e5840a5dd007f5046bdb8ccfea92d04cbaadaa58c1d03e872b23e697b72dd70c.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4268
- C:\Windows\SysWow64\rundll32.exe
  C:\Windows\SysWow64\rundll32.exe ..\iix.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:1360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4268-0-0x00007FFA80BF0000-0x00007FFA80C00000-memory.dmp

Filesize
64KB

Download
memory/4268-2-0x00007FFA80BF0000-0x00007FFA80C00000-memory.dmp

Filesize
64KB

Download
memory/4268-3-0x00007FFA80BF0000-0x00007FFA80C00000-memory.dmp

Filesize
64KB

Download
memory/4268-1-0x00007FFAC0C0D000-0x00007FFAC0C0E000-memory.dmp

Filesize
4KB

Download
memory/4268-5-0x00007FFAC0B70000-0x00007FFAC0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4268-4-0x00007FFAC0B70000-0x00007FFAC0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4268-8-0x00007FFA80BF0000-0x00007FFA80C00000-memory.dmp

Filesize
64KB

Download
memory/4268-11-0x00007FFAC0B70000-0x00007FFAC0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4268-14-0x00007FFAC0B70000-0x00007FFAC0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4268-13-0x00007FFAC0B70000-0x00007FFAC0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4268-15-0x00007FFAC0B70000-0x00007FFAC0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4268-16-0x00007FFA7E440000-0x00007FFA7E450000-memory.dmp

Filesize
64KB

Download
memory/4268-12-0x00007FFAC0B70000-0x00007FFAC0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4268-17-0x00007FFA7E440000-0x00007FFA7E450000-memory.dmp

Filesize
64KB

Download
memory/4268-10-0x00007FFAC0B70000-0x00007FFAC0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4268-9-0x00007FFAC0B70000-0x00007FFAC0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4268-7-0x00007FFAC0B70000-0x00007FFAC0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4268-6-0x00007FFA80BF0000-0x00007FFA80C00000-memory.dmp

Filesize
64KB

Download
memory/4268-27-0x00007FFAC0B70000-0x00007FFAC0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4268-28-0x00007FFAC0C0D000-0x00007FFAC0C0E000-memory.dmp

Filesize
4KB

Download
memory/4268-29-0x00007FFAC0B70000-0x00007FFAC0D65000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads