72faa536da89f8b7fe94d6e6aac4ac56339a070883a4c65c67c4bcfc7622dca4

General

Target

72faa536da89f8b7fe94d6e6aac4ac56339a070883a4c65c67c4bcfc7622dca4.xlsm
Size

46KB
MD5

519f11ed171962ba1ec6a99f5e9f1ccf
SHA1

f3df2a98a944d0c2364e9f615fa31c7fca877d13
SHA256

72faa536da89f8b7fe94d6e6aac4ac56339a070883a4c65c67c4bcfc7622dca4
SHA512

c30fd485583121dabfeb9f7a799d549a5ecd1aef4c1ce821b6e8c0aba36d9b694209469e779678a3d0ba15ff50aab2f05ddaf1ec23a20a6715f398ede879d1dc
SSDEEP

768:wwLvfWDOevZCwrvtrDPzdDTKufT9nz0LTyY1NiMZFYpvrLeci3cr+Uh0VfskoM:BWDzftT5fTR4Lh1NisFYBc3cr+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.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	116	4616	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

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

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
4616	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4616	EXCEL.EXE
4616	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4616	EXCEL.EXE
4616	EXCEL.EXE
4616	EXCEL.EXE
4616	EXCEL.EXE
4616	EXCEL.EXE
4616	EXCEL.EXE
4616	EXCEL.EXE
4616	EXCEL.EXE
4616	EXCEL.EXE
4616	EXCEL.EXE
4616	EXCEL.EXE
4616	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4616 wrote to memory of 116	4616	EXCEL.EXE	87
PID 4616 wrote to memory of 116	4616	EXCEL.EXE	87
PID 4616 wrote to memory of 116	4616	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\72faa536da89f8b7fe94d6e6aac4ac56339a070883a4c65c67c4bcfc7622dca4.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:4616
- 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:116

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

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Downloads

C:\Users\Admin\cre.ocx

Filesize
1KB

MD5
0ca635e542703695eb27c11396f93954

SHA1
f71d53e58ebf2ff0478dd4b123e30a81efbb5bd6

SHA256
7ff22a9abb656bd91489f799f7bd7fa492cef7506cfbab0f86f05d52b0fc5ce4

SHA512
788f9a34029d345b26652f10c2e832c3cf5ddb035690145a98fd0da8954d6c91e1e45813de60e68257ce61b79ac64d5f8e4c7c81a76e8087908a7031400cfd7c

Download Submit
memory/4616-10-0x00007FFB5CB80000-0x00007FFB5CB90000-memory.dmp

Filesize
64KB

Download
memory/4616-7-0x00007FFB5F330000-0x00007FFB5F340000-memory.dmp

Filesize
64KB

Download
memory/4616-12-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/4616-13-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/4616-11-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/4616-6-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/4616-5-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/4616-8-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/4616-9-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/4616-0-0x00007FFB5F330000-0x00007FFB5F340000-memory.dmp

Filesize
64KB

Download
memory/4616-1-0x00007FFB5F330000-0x00007FFB5F340000-memory.dmp

Filesize
64KB

Download
memory/4616-2-0x00007FFB5F330000-0x00007FFB5F340000-memory.dmp

Filesize
64KB

Download
memory/4616-4-0x00007FFB5F330000-0x00007FFB5F340000-memory.dmp

Filesize
64KB

Download
memory/4616-15-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/4616-17-0x00007FFB5CB80000-0x00007FFB5CB90000-memory.dmp

Filesize
64KB

Download
memory/4616-18-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/4616-19-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/4616-16-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/4616-14-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/4616-3-0x00007FFB9F34D000-0x00007FFB9F34E000-memory.dmp

Filesize
4KB

Download
memory/4616-34-0x00007FFB9F2B0000-0x00007FFB9F4A5000-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