cdfee1d66799bc0e13e28fadcf801e2e11e664bb797916a7dcc7e29449597c16

General

Target

cdfee1d66799bc0e13e28fadcf801e2e11e664bb797916a7dcc7e29449597c16.xls
Size

95KB
MD5

e92bf5c67cb59db15094cf2b9a57bcd7
SHA1

220e7cde25492e0e8fd818c8247170cc4e857003
SHA256

cdfee1d66799bc0e13e28fadcf801e2e11e664bb797916a7dcc7e29449597c16
SHA512

6fe51addff3c8188f590afcce352949036b773631ab35640100a0b73d89ad735b996c022b45c2ec15c384984163b6cdcc770f84731f8d3747185def1e81a9c8f
SSDEEP

1536:iFKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgYHuS4hcTO97v7UYdEJmF12:cKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg4

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://educacionsanvicentefundacion.com/iplookup/wYEInbaN/

xlm40.dropper

https://www.4monkeys.com/wp-admin/dNAuBEKo/

xlm40.dropper

http://haircutbar.com/cgi-bin/dNfEA5F/

xlm40.dropper

http://gedebey-tvradio.info/wp-includes/T0J9THbd5f2/

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	1164	2348	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	736	2348	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1260	2348	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4500	2348	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
2348	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2348	EXCEL.EXE
2348	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 1164	2348	EXCEL.EXE	89
PID 2348 wrote to memory of 1164	2348	EXCEL.EXE	89
PID 2348 wrote to memory of 736	2348	EXCEL.EXE	95
PID 2348 wrote to memory of 736	2348	EXCEL.EXE	95
PID 2348 wrote to memory of 1260	2348	EXCEL.EXE	96
PID 2348 wrote to memory of 1260	2348	EXCEL.EXE	96
PID 2348 wrote to memory of 4500	2348	EXCEL.EXE	97
PID 2348 wrote to memory of 4500	2348	EXCEL.EXE	97

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\cdfee1d66799bc0e13e28fadcf801e2e11e664bb797916a7dcc7e29449597c16.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:2348
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1164
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:736
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1260
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4500

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
858e8bc8542a0496548f4c9f0e5d4688

SHA1
fc041d28d5aee3b32e3674361b5c9ef5348bd368

SHA256
35ac44bb96e495a2bb669c27041148abae767e1402380ed88c0f806b8df77bc0

SHA512
d91904c2e891eeb8e81d2f261846bcec36df2607f487f0c03bc0b0693980dc2e78ae48eb8c8b4f91123eac08706a73e5df6943f7948dee5905b07b6dc086ebef

Download Submit
memory/2348-15-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-11-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-2-0x00007FFC5E270000-0x00007FFC5E280000-memory.dmp

Filesize
64KB

Download
memory/2348-4-0x00007FFC5E270000-0x00007FFC5E280000-memory.dmp

Filesize
64KB

Download
memory/2348-5-0x00007FFC5E270000-0x00007FFC5E280000-memory.dmp

Filesize
64KB

Download
memory/2348-6-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-8-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-16-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-0-0x00007FFC5E270000-0x00007FFC5E280000-memory.dmp

Filesize
64KB

Download
memory/2348-10-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-3-0x00007FFC5E270000-0x00007FFC5E280000-memory.dmp

Filesize
64KB

Download
memory/2348-14-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-7-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-18-0x00007FFC5B910000-0x00007FFC5B920000-memory.dmp

Filesize
64KB

Download
memory/2348-17-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-13-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-12-0x00007FFC5B910000-0x00007FFC5B920000-memory.dmp

Filesize
64KB

Download
memory/2348-9-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-31-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-32-0x00007FFC9E28D000-0x00007FFC9E28E000-memory.dmp

Filesize
4KB

Download
memory/2348-33-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-34-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-1-0x00007FFC9E28D000-0x00007FFC9E28E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads