57abba3a5175ff7eefe3e2547cc27d0ccb62282fda8443f2281dfcbe8b6b32c0

General

Target

57abba3a5175ff7eefe3e2547cc27d0ccb62282fda8443f2281dfcbe8b6b32c0.xls
Size

46KB
MD5

09bc237236bc1b00cb08555a8c8e7fcc
SHA1

6adbada8ff6967c3ff445ea39c2b4e59382a3b6a
SHA256

57abba3a5175ff7eefe3e2547cc27d0ccb62282fda8443f2281dfcbe8b6b32c0
SHA512

d86da1405e765ef1a21b9dac5b3f1d5f7f0e7d060637e27d07924e9bb215921b761200956b1a6c74b32e3e22e29d99da4a37ea5525ca7c9d5017c401dd6ed468
SSDEEP

768:LDMPKpb8rGYrMPe3q7Q0XV5xtezE8vpI8UM+VmQs7iqj/X20eu2p:LYKpb8rGYrMPe3q7Q0XV5xtezE8vG8U1

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://www.yedirenkajans.com/eski/y91J/

xlm40.dropper

http://yahir-fz.com/joy/ZnIjgkgZ18/

xlm40.dropper

http://www.wahkiulogistics.com.hk/upload/AvtsILsT00O/

Signatures

Process spawned unexpected child process 3 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	1160	228	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4676	228	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4668	228	regsvr32.exe	82

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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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
228	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
228	EXCEL.EXE
228	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
228	EXCEL.EXE
228	EXCEL.EXE
228	EXCEL.EXE
228	EXCEL.EXE
228	EXCEL.EXE
228	EXCEL.EXE
228	EXCEL.EXE
228	EXCEL.EXE
228	EXCEL.EXE
228	EXCEL.EXE
228	EXCEL.EXE
228	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 228 wrote to memory of 1160	228	EXCEL.EXE	90
PID 228 wrote to memory of 1160	228	EXCEL.EXE	90
PID 228 wrote to memory of 4676	228	EXCEL.EXE	93
PID 228 wrote to memory of 4676	228	EXCEL.EXE	93
PID 228 wrote to memory of 4668	228	EXCEL.EXE	95
PID 228 wrote to memory of 4668	228	EXCEL.EXE	95

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\57abba3a5175ff7eefe3e2547cc27d0ccb62282fda8443f2281dfcbe8b6b32c0.xls"
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:228
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\wdusx1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1160
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\wdusx2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4676
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\wdusx3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4668

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
1KB

MD5
11af75ab6b06bcc1150eeb290af1b6f1

SHA1
83d855ea9dc8a81bc472dc21be1f9b3450345910

SHA256
3aff43e3b389df85132399be293c1d878f783dcacf3f72c4270e7399a8fa3c78

SHA512
1d9a9ab9f345614f14b406fc3f27d1e1153be137e5f5ea3a001cac2e3fb2d57a505b7be7aaa96b534a700f852b8cf2175d23f3bc6a0652da2b7ccac27edbdfc5

Download Submit
memory/228-13-0x00007FFD9C3B0000-0x00007FFD9C5A5000-memory.dmp

Filesize
2.0MB

Download
memory/228-12-0x00007FFD9C3B0000-0x00007FFD9C5A5000-memory.dmp

Filesize
2.0MB

Download
memory/228-3-0x00007FFD5C430000-0x00007FFD5C440000-memory.dmp

Filesize
64KB

Download
memory/228-5-0x00007FFD9C3B0000-0x00007FFD9C5A5000-memory.dmp

Filesize
2.0MB

Download
memory/228-6-0x00007FFD9C3B0000-0x00007FFD9C5A5000-memory.dmp

Filesize
2.0MB

Download
memory/228-4-0x00007FFD5C430000-0x00007FFD5C440000-memory.dmp

Filesize
64KB

Download
memory/228-7-0x00007FFD5C430000-0x00007FFD5C440000-memory.dmp

Filesize
64KB

Download
memory/228-11-0x00007FFD9C3B0000-0x00007FFD9C5A5000-memory.dmp

Filesize
2.0MB

Download
memory/228-14-0x00007FFD9C3B0000-0x00007FFD9C5A5000-memory.dmp

Filesize
2.0MB

Download
memory/228-1-0x00007FFD9C44D000-0x00007FFD9C44E000-memory.dmp

Filesize
4KB

Download
memory/228-0-0x00007FFD5C430000-0x00007FFD5C440000-memory.dmp

Filesize
64KB

Download
memory/228-10-0x00007FFD9C3B0000-0x00007FFD9C5A5000-memory.dmp

Filesize
2.0MB

Download
memory/228-15-0x00007FFD59E10000-0x00007FFD59E20000-memory.dmp

Filesize
64KB

Download
memory/228-9-0x00007FFD9C3B0000-0x00007FFD9C5A5000-memory.dmp

Filesize
2.0MB

Download
memory/228-16-0x00007FFD59E10000-0x00007FFD59E20000-memory.dmp

Filesize
64KB

Download
memory/228-8-0x00007FFD9C3B0000-0x00007FFD9C5A5000-memory.dmp

Filesize
2.0MB

Download
memory/228-37-0x00007FFD9C3B0000-0x00007FFD9C5A5000-memory.dmp

Filesize
2.0MB

Download
memory/228-38-0x00007FFD9C44D000-0x00007FFD9C44E000-memory.dmp

Filesize
4KB

Download
memory/228-39-0x00007FFD9C3B0000-0x00007FFD9C5A5000-memory.dmp

Filesize
2.0MB

Download
memory/228-40-0x00007FFD9C3B0000-0x00007FFD9C5A5000-memory.dmp

Filesize
2.0MB

Download
memory/228-2-0x00007FFD5C430000-0x00007FFD5C440000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads