d199da473ad0ca2e5210cce716cf6f5600e505de3f6f19112130263f8f5bb229

General

Target

d199da473ad0ca2e5210cce716cf6f5600e505de3f6f19112130263f8f5bb229.xlsm
Size

46KB
MD5

579c1627bdee879bb4e208e035258469
SHA1

5e024ea700e5e38f430cfced731cb5fe5bbe5eab
SHA256

d199da473ad0ca2e5210cce716cf6f5600e505de3f6f19112130263f8f5bb229
SHA512

29e59dbad8ce2a1658dac06ffa3f63b90ddf2b9168f844fb06efba06e3554228d03a2ad0899efaf836ab26ec62d8f13c9edff7040e286059e50be6597c426812
SSDEEP

768:cwLvfWDOevZCwrvtrDPzdDTKufT9nz0LTyY1NiMZFYpvrLeci3cr+Uh0VfskoM:1WDzftT5fTR4Lh1NisFYBc3cr+UqVfD9

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://congresoapp2021.com/u07di/wkdehSgS/

xlm40.dropper

http://forocavialpa.com/wp-admin/bnFI6WhjZkffrb/

xlm40.dropper

http://s1.techopesolutions.com/semicanal/g7jRfFqphhUQ5oh/

xlm40.dropper

http://tournhatrang.asia/cgi-bin/2gnqrN/

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

regsvr32.exe

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3108	920	regsvr32.exe	82

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

Processes:

regsvr32.exe

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

Processes:

EXCEL.EXE

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid	Process
920	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid	Process
920	EXCEL.EXE
920	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	Process
920	EXCEL.EXE
920	EXCEL.EXE
920	EXCEL.EXE
920	EXCEL.EXE
920	EXCEL.EXE
920	EXCEL.EXE
920	EXCEL.EXE
920	EXCEL.EXE
920	EXCEL.EXE
920	EXCEL.EXE
920	EXCEL.EXE
920	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

EXCEL.EXE

description	pid	Process	procid_target
PID 920 wrote to memory of 3108	920	EXCEL.EXE	87
PID 920 wrote to memory of 3108	920	EXCEL.EXE	87
PID 920 wrote to memory of 3108	920	EXCEL.EXE	87

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\d199da473ad0ca2e5210cce716cf6f5600e505de3f6f19112130263f8f5bb229.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:920
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe /s ..\cre.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:3108

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

C:\Users\Admin\cre.ocx

Filesize
1KB

MD5
a8430ebe08b0484772abadf309fcfdd3

SHA1
cf1a4106c54cc7e6ea8e9ca7553e5a809cdff1ee

SHA256
f4af8eae16a063421c13aae9c3931988f049ad5faa879ad2bc8e1d7f74d636c2

SHA512
7b7c75488d6963336c1895f18ea6645fbe6cff23567c040533fd7f49238135c80ad6d591506182b9183e94b8767aa7c0ee0414a2ca69c1d857f5faf52c2e9d6e

Download Submit
memory/920-8-0x00007FF885CB0000-0x00007FF885EA5000-memory.dmp

Filesize
2.0MB

Download
memory/920-6-0x00007FF885CB0000-0x00007FF885EA5000-memory.dmp

Filesize
2.0MB

Download
memory/920-11-0x00007FF885CB0000-0x00007FF885EA5000-memory.dmp

Filesize
2.0MB

Download
memory/920-14-0x00007FF885CB0000-0x00007FF885EA5000-memory.dmp

Filesize
2.0MB

Download
memory/920-12-0x00007FF885CB0000-0x00007FF885EA5000-memory.dmp

Filesize
2.0MB

Download
memory/920-5-0x00007FF885CB0000-0x00007FF885EA5000-memory.dmp

Filesize
2.0MB

Download
memory/920-7-0x00007FF845D30000-0x00007FF845D40000-memory.dmp

Filesize
64KB

Download
memory/920-9-0x00007FF885CB0000-0x00007FF885EA5000-memory.dmp

Filesize
2.0MB

Download
memory/920-10-0x00007FF843660000-0x00007FF843670000-memory.dmp

Filesize
64KB

Download
memory/920-3-0x00007FF845D30000-0x00007FF845D40000-memory.dmp

Filesize
64KB

Download
memory/920-1-0x00007FF885D4D000-0x00007FF885D4E000-memory.dmp

Filesize
4KB

Download
memory/920-4-0x00007FF845D30000-0x00007FF845D40000-memory.dmp

Filesize
64KB

Download
memory/920-0-0x00007FF845D30000-0x00007FF845D40000-memory.dmp

Filesize
64KB

Download
memory/920-16-0x00007FF885CB0000-0x00007FF885EA5000-memory.dmp

Filesize
2.0MB

Download
memory/920-17-0x00007FF885CB0000-0x00007FF885EA5000-memory.dmp

Filesize
2.0MB

Download
memory/920-15-0x00007FF885CB0000-0x00007FF885EA5000-memory.dmp

Filesize
2.0MB

Download
memory/920-13-0x00007FF843660000-0x00007FF843670000-memory.dmp

Filesize
64KB

Download
memory/920-2-0x00007FF845D30000-0x00007FF845D40000-memory.dmp

Filesize
64KB

Download
memory/920-32-0x00007FF885CB0000-0x00007FF885EA5000-memory.dmp

Filesize
2.0MB

Download
memory/920-33-0x00007FF885D4D000-0x00007FF885D4E000-memory.dmp

Filesize
4KB

Download
memory/920-34-0x00007FF885CB0000-0x00007FF885EA5000-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