b0225b8155b48e748206bd1d51dcf8ef239900726cddf604dc04aff4079502e8

General

Target

b0225b8155b48e748206bd1d51dcf8ef239900726cddf604dc04aff4079502e8.xls
Size

63KB
MD5

9f9395689992bce448582cb2571d70f0
SHA1

93bc4d1adc82b4610318e14172a2a82988a6d02b
SHA256

b0225b8155b48e748206bd1d51dcf8ef239900726cddf604dc04aff4079502e8
SHA512

1d25d9e9d142d3dfe57b6a829bb5bf0b375a076954f3b48519f80da9f85ea70acaff236b0bf5aabdc8b8adb844c4c8149f7f863307180bf03cc6d0ba7034c304
SSDEEP

1536:dpKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg9HuS4VcTO9/r7UYdEJe5ot/:bKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgn

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	1596	2624	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1732	2624	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1980	2624	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3288	2624	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 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

pid	Process
2624	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2624	EXCEL.EXE
2624	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2624	EXCEL.EXE
2624	EXCEL.EXE
2624	EXCEL.EXE
2624	EXCEL.EXE
2624	EXCEL.EXE
2624	EXCEL.EXE
2624	EXCEL.EXE
2624	EXCEL.EXE
2624	EXCEL.EXE
2624	EXCEL.EXE
2624	EXCEL.EXE
2624	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 1596	2624	EXCEL.EXE	89
PID 2624 wrote to memory of 1596	2624	EXCEL.EXE	89
PID 2624 wrote to memory of 1732	2624	EXCEL.EXE	98
PID 2624 wrote to memory of 1732	2624	EXCEL.EXE	98
PID 2624 wrote to memory of 1980	2624	EXCEL.EXE	99
PID 2624 wrote to memory of 1980	2624	EXCEL.EXE	99
PID 2624 wrote to memory of 3288	2624	EXCEL.EXE	100
PID 2624 wrote to memory of 3288	2624	EXCEL.EXE	100

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\b0225b8155b48e748206bd1d51dcf8ef239900726cddf604dc04aff4079502e8.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:2624
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\hhwe1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1596
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\hhwe2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1732
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\hhwe3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1980
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\hhwe4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3288

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1KB

MD5
6fc2f81bd163175d755680fb8c72319d

SHA1
be9d6c8ed88ef1fcffe40dd8501eb0f958f2d3a6

SHA256
a985e2cb7b0e5c7eb5fdbf693099fa9db7a1cdd387dadcd410845498f70df561

SHA512
124b722efe9d4fe283f108bf68d04eb0f3ac26b871cb513a379805bb8449f8810b7530031d84ef3c0354cac30d4696e31d10aa86c3d2d86ec4cb4b7a75a6bc0a

Download Submit
memory/2624-15-0x00007FFCE8110000-0x00007FFCE8120000-memory.dmp

Filesize
64KB

Download
memory/2624-5-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2624-6-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2624-7-0x00007FFCEA1D0000-0x00007FFCEA1E0000-memory.dmp

Filesize
64KB

Download
memory/2624-10-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2624-13-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2624-14-0x00007FFCE8110000-0x00007FFCE8120000-memory.dmp

Filesize
64KB

Download
memory/2624-12-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2624-0-0x00007FFCEA1D0000-0x00007FFCEA1E0000-memory.dmp

Filesize
64KB

Download
memory/2624-11-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2624-8-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2624-16-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2624-9-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2624-4-0x00007FFCEA1D0000-0x00007FFCEA1E0000-memory.dmp

Filesize
64KB

Download
memory/2624-3-0x00007FFCEA1D0000-0x00007FFCEA1E0000-memory.dmp

Filesize
64KB

Download
memory/2624-2-0x00007FFCEA1D0000-0x00007FFCEA1E0000-memory.dmp

Filesize
64KB

Download
memory/2624-38-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2624-39-0x00007FFD2A1ED000-0x00007FFD2A1EE000-memory.dmp

Filesize
4KB

Download
memory/2624-40-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/2624-1-0x00007FFD2A1ED000-0x00007FFD2A1EE000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads