38146988dfbe9a3bb01e8cfb05a655a78f253e82b669dce4f614d1ee4ddff66e

Analysis

max time kernel
141s
max time network
146s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 02:38

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General

Target

38146988dfbe9a3bb01e8cfb05a655a78f253e82b669dce4f614d1ee4ddff66e.xlsm
Size

46KB
MD5

1cc77da245baf5f04aab46997376d4a8
SHA1

e2c11a46f06811a395d64df52259f06f142a1929
SHA256

38146988dfbe9a3bb01e8cfb05a655a78f253e82b669dce4f614d1ee4ddff66e
SHA512

a2740795415904be9071b013df3db9aa28b9cbd905dbaf600308368aad17d03c03bd6254bbfcf8c73ba4641d10c44310ca72938f170aa11d432f0bfe397884f8
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.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2896	1492	regsvr32.exe	28

System Location Discovery: System Language Discovery 1 TTPs 2 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

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
1492	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1492	EXCEL.EXE
1492	EXCEL.EXE
1492	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 2896	1492	EXCEL.EXE	29
PID 1492 wrote to memory of 2896	1492	EXCEL.EXE	29
PID 1492 wrote to memory of 2896	1492	EXCEL.EXE	29
PID 1492 wrote to memory of 2896	1492	EXCEL.EXE	29
PID 1492 wrote to memory of 2896	1492	EXCEL.EXE	29
PID 1492 wrote to memory of 2896	1492	EXCEL.EXE	29
PID 1492 wrote to memory of 2896	1492	EXCEL.EXE	29

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\38146988dfbe9a3bb01e8cfb05a655a78f253e82b669dce4f614d1ee4ddff66e.xlsm
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1492
- 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:2896

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

C:\Users\Admin\cre.ocx

Filesize
1KB

MD5
cb64ba21d2c2ca83455db35ba5a4144d

SHA1
ab0bc0d48f3eeb04a24533467e76bc9900965440

SHA256
64fb947cb593b6702c0f1a5ada0126121a7a9e6fbf4f4c807bc3a947176ccfde

SHA512
30bbc57e49fc8783964b46371fc2b7d7b9af189a1972b6c1df5ee7bb9e3df77c8f889daa33c5927614911b7f0a8f7fedebe9e30b3a5919bb039bdc439e027633

Download Submit
memory/1492-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1492-1-0x00000000727CD000-0x00000000727D8000-memory.dmp

Filesize
44KB

Download
memory/1492-8-0x00000000727CD000-0x00000000727D8000-memory.dmp

Filesize
44KB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads