c9b436cd0bf49d0a9221fe0544d1b017c1dc128fec9932a5bdb91f5e175403e4

General

Target

c9b436cd0bf49d0a9221fe0544d1b017c1dc128fec9932a5bdb91f5e175403e4.xls
Size

53KB
MD5

d177cdc02a0b1049d19a407a8607907c
SHA1

c6aee523912f926b2b5714c6cfabc6187a9cb7db
SHA256

c9b436cd0bf49d0a9221fe0544d1b017c1dc128fec9932a5bdb91f5e175403e4
SHA512

d3d4355def6a32e6ebcab16a4d67026a209405cdc3575d672f75ddbaf4d86bdf46d78670892cc3a5bf436150a35c8e3b88522fafa647aa6bad31c1cd822c92f1
SSDEEP

1536:BPKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+ASgNeEYL8UCU:VKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMe

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://airliftlimo.com/wp-admin/wzZ3RIsItxZsu77MFxs/

xlm40.dropper

http://demo-re-usables.inertiasoft.net/cgi-bin/AR4nYNd9xpn/

xlm40.dropper

https://justplay.asia/google/oCbyPwB8B/

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	4120	4472	regsvr32.exe	83
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4944	4472	regsvr32.exe	83
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	768	4472	regsvr32.exe	83

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
4472	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4472	EXCEL.EXE
4472	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4472	EXCEL.EXE
4472	EXCEL.EXE
4472	EXCEL.EXE
4472	EXCEL.EXE
4472	EXCEL.EXE
4472	EXCEL.EXE
4472	EXCEL.EXE
4472	EXCEL.EXE
4472	EXCEL.EXE
4472	EXCEL.EXE
4472	EXCEL.EXE
4472	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4472 wrote to memory of 4120	4472	EXCEL.EXE	89
PID 4472 wrote to memory of 4120	4472	EXCEL.EXE	89
PID 4472 wrote to memory of 4944	4472	EXCEL.EXE	100
PID 4472 wrote to memory of 4944	4472	EXCEL.EXE	100
PID 4472 wrote to memory of 768	4472	EXCEL.EXE	101
PID 4472 wrote to memory of 768	4472	EXCEL.EXE	101

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\c9b436cd0bf49d0a9221fe0544d1b017c1dc128fec9932a5bdb91f5e175403e4.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:4472
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4120
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4944
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:768

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

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Downloads

memory/4472-1-0x00007FF8FCF70000-0x00007FF8FCF80000-memory.dmp

Filesize
64KB

Download
memory/4472-3-0x00007FF93CF8D000-0x00007FF93CF8E000-memory.dmp

Filesize
4KB

Download
memory/4472-0-0x00007FF8FCF70000-0x00007FF8FCF80000-memory.dmp

Filesize
64KB

Download
memory/4472-2-0x00007FF8FCF70000-0x00007FF8FCF80000-memory.dmp

Filesize
64KB

Download
memory/4472-5-0x00007FF93CEF0000-0x00007FF93D0E5000-memory.dmp

Filesize
2.0MB

Download
memory/4472-4-0x00007FF8FCF70000-0x00007FF8FCF80000-memory.dmp

Filesize
64KB

Download
memory/4472-6-0x00007FF93CEF0000-0x00007FF93D0E5000-memory.dmp

Filesize
2.0MB

Download
memory/4472-7-0x00007FF8FCF70000-0x00007FF8FCF80000-memory.dmp

Filesize
64KB

Download
memory/4472-9-0x00007FF93CEF0000-0x00007FF93D0E5000-memory.dmp

Filesize
2.0MB

Download
memory/4472-8-0x00007FF93CEF0000-0x00007FF93D0E5000-memory.dmp

Filesize
2.0MB

Download
memory/4472-10-0x00007FF8FAD50000-0x00007FF8FAD60000-memory.dmp

Filesize
64KB

Download
memory/4472-11-0x00007FF93CEF0000-0x00007FF93D0E5000-memory.dmp

Filesize
2.0MB

Download
memory/4472-12-0x00007FF93CEF0000-0x00007FF93D0E5000-memory.dmp

Filesize
2.0MB

Download
memory/4472-13-0x00007FF8FAD50000-0x00007FF8FAD60000-memory.dmp

Filesize
64KB

Download
memory/4472-14-0x00007FF93CEF0000-0x00007FF93D0E5000-memory.dmp

Filesize
2.0MB

Download
memory/4472-15-0x00007FF93CEF0000-0x00007FF93D0E5000-memory.dmp

Filesize
2.0MB

Download
memory/4472-18-0x00007FF93CEF0000-0x00007FF93D0E5000-memory.dmp

Filesize
2.0MB

Download
memory/4472-17-0x00007FF93CEF0000-0x00007FF93D0E5000-memory.dmp

Filesize
2.0MB

Download
memory/4472-16-0x00007FF93CEF0000-0x00007FF93D0E5000-memory.dmp

Filesize
2.0MB

Download
memory/4472-34-0x00007FF93CEF0000-0x00007FF93D0E5000-memory.dmp

Filesize
2.0MB

Download
memory/4472-35-0x00007FF93CEF0000-0x00007FF93D0E5000-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