5a7c15c2bde2f7b4d7a9230d4b626ba90b707cb0e610e39c7a5c0c303584b47d

General

Target

5a7c15c2bde2f7b4d7a9230d4b626ba90b707cb0e610e39c7a5c0c303584b47d.xls
Size

63KB
MD5

e77368603ea39c64ce8c28349b84d0fe
SHA1

e4f567d31c35d2f892f1d14ccadb2809e82fc44b
SHA256

5a7c15c2bde2f7b4d7a9230d4b626ba90b707cb0e610e39c7a5c0c303584b47d
SHA512

0d00ec81ec68a30e63c63e677d99efb79e03610317b7286a73fe1348cc0e41b86006a00475ba731e14295172cbeeb641bbd35ce012fb618e3d80e45ceb0168c5
SSDEEP

1536:dpKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg9HuS4VcTO9/r7UYdEJe5o1/:bKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgP

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://www.careofu.com/PHPExcel/sQ78BedribNJZbGYj/

xlm40.dropper

https://cedeco.es/js/n74fS/

xlm40.dropper

http://balticcontrolbd.com/cgi-bin/Gu0xno0kIssGJF8/

xlm40.dropper

https://fikti.bem.gunadarma.ac.id/SDM/qNeMUe2RvxdvuRlf/

Signatures

Process spawned unexpected child process 4 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	3484	1968	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5116	1968	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1452	1968	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4012	1968	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 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
1968	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1968	EXCEL.EXE
1968	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE
1968	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 3484	1968	EXCEL.EXE	87
PID 1968 wrote to memory of 3484	1968	EXCEL.EXE	87
PID 1968 wrote to memory of 5116	1968	EXCEL.EXE	94
PID 1968 wrote to memory of 5116	1968	EXCEL.EXE	94
PID 1968 wrote to memory of 1452	1968	EXCEL.EXE	97
PID 1968 wrote to memory of 1452	1968	EXCEL.EXE	97
PID 1968 wrote to memory of 4012	1968	EXCEL.EXE	98
PID 1968 wrote to memory of 4012	1968	EXCEL.EXE	98

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\5a7c15c2bde2f7b4d7a9230d4b626ba90b707cb0e610e39c7a5c0c303584b47d.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:1968
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\hhwe1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3484
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\hhwe2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:5116
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\hhwe3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1452
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\hhwe4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4012

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

memory/1968-0-0x00007FF8DAA90000-0x00007FF8DAAA0000-memory.dmp

Filesize
64KB

Download
memory/1968-1-0x00007FF91AAAD000-0x00007FF91AAAE000-memory.dmp

Filesize
4KB

Download
memory/1968-3-0x00007FF8DAA90000-0x00007FF8DAAA0000-memory.dmp

Filesize
64KB

Download
memory/1968-2-0x00007FF8DAA90000-0x00007FF8DAAA0000-memory.dmp

Filesize
64KB

Download
memory/1968-4-0x00007FF8DAA90000-0x00007FF8DAAA0000-memory.dmp

Filesize
64KB

Download
memory/1968-6-0x00007FF91AA10000-0x00007FF91AC05000-memory.dmp

Filesize
2.0MB

Download
memory/1968-5-0x00007FF91AA10000-0x00007FF91AC05000-memory.dmp

Filesize
2.0MB

Download
memory/1968-10-0x00007FF91AA10000-0x00007FF91AC05000-memory.dmp

Filesize
2.0MB

Download
memory/1968-9-0x00007FF91AA10000-0x00007FF91AC05000-memory.dmp

Filesize
2.0MB

Download
memory/1968-11-0x00007FF91AA10000-0x00007FF91AC05000-memory.dmp

Filesize
2.0MB

Download
memory/1968-13-0x00007FF91AA10000-0x00007FF91AC05000-memory.dmp

Filesize
2.0MB

Download
memory/1968-12-0x00007FF91AA10000-0x00007FF91AC05000-memory.dmp

Filesize
2.0MB

Download
memory/1968-14-0x00007FF8D8710000-0x00007FF8D8720000-memory.dmp

Filesize
64KB

Download
memory/1968-8-0x00007FF91AA10000-0x00007FF91AC05000-memory.dmp

Filesize
2.0MB

Download
memory/1968-7-0x00007FF8DAA90000-0x00007FF8DAAA0000-memory.dmp

Filesize
64KB

Download
memory/1968-15-0x00007FF8D8710000-0x00007FF8D8720000-memory.dmp

Filesize
64KB

Download
memory/1968-17-0x00007FF91AA10000-0x00007FF91AC05000-memory.dmp

Filesize
2.0MB

Download
memory/1968-16-0x00007FF91AA10000-0x00007FF91AC05000-memory.dmp

Filesize
2.0MB

Download
memory/1968-39-0x00007FF91AA10000-0x00007FF91AC05000-memory.dmp

Filesize
2.0MB

Download
memory/1968-40-0x00007FF91AAAD000-0x00007FF91AAAE000-memory.dmp

Filesize
4KB

Download
memory/1968-41-0x00007FF91AA10000-0x00007FF91AC05000-memory.dmp

Filesize
2.0MB

Download
memory/1968-45-0x00007FF91AA10000-0x00007FF91AC05000-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