09ccfdf0657074e136f7afd66ec9ce8c62db5c33cb9ec04101e49c761fdbd276

General

Target

09ccfdf0657074e136f7afd66ec9ce8c62db5c33cb9ec04101e49c761fdbd276.xls
Size

60KB
MD5

021dd30080b450fcaafa421cd08c6b16
SHA1

9f73701033a4dcbaca1b72665ab656e654379323
SHA256

09ccfdf0657074e136f7afd66ec9ce8c62db5c33cb9ec04101e49c761fdbd276
SHA512

9bb15cf7717258dc605b8c348b466c5cbb355c88d4a76c30bec044d95dd24b75f3f6dc57e2b7fa9aa5b4c3f34bd2b80af418087f95e491bf1585b1b5b9b6c30e
SSDEEP

1536:NpKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgUDOJiA6Cv/UGLI36yOAR5N:rKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgw

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.valyval.com/pun/VAYL/

xlm40.dropper

http://cabans.com/CeudWYRQEzZgrHPcI/

xlm40.dropper

http://calzadoyuyin.com/cgj-bin/jZPff/

xlm40.dropper

http://cagranus.com/slide/mcqAFuMhaekn/

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	1712	4376	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1120	4376	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4724	4376	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	208	4376	regsvr32.exe	81

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
4376	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4376	EXCEL.EXE
4376	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4376	EXCEL.EXE
4376	EXCEL.EXE
4376	EXCEL.EXE
4376	EXCEL.EXE
4376	EXCEL.EXE
4376	EXCEL.EXE
4376	EXCEL.EXE
4376	EXCEL.EXE
4376	EXCEL.EXE
4376	EXCEL.EXE
4376	EXCEL.EXE
4376	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4376 wrote to memory of 1712	4376	EXCEL.EXE	86
PID 4376 wrote to memory of 1712	4376	EXCEL.EXE	86
PID 4376 wrote to memory of 1120	4376	EXCEL.EXE	89
PID 4376 wrote to memory of 1120	4376	EXCEL.EXE	89
PID 4376 wrote to memory of 4724	4376	EXCEL.EXE	91
PID 4376 wrote to memory of 4724	4376	EXCEL.EXE	91
PID 4376 wrote to memory of 208	4376	EXCEL.EXE	92
PID 4376 wrote to memory of 208	4376	EXCEL.EXE	92

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\09ccfdf0657074e136f7afd66ec9ce8c62db5c33cb9ec04101e49c761fdbd276.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:4376
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1712
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1120
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4724
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:208

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
f846b0a7779758da4e4dbba3e3710936

SHA1
ff4e6ffdaf9c69b0bd2577e947fcb74bbcde371d

SHA256
3191e9a7cf44bc327dd5ed3796f6c713930d990b2d9daf7f27fcb0d06f6c21b1

SHA512
5cfcff8937e12dbd00ab3230d319727b0ce35422313630ae5da9ca0b7654dba6005d800eb01df89f71bf52b22ab768c55f4e397c169d1b14e48c9b594ffeb624

Download Submit
C:\Users\Admin\xgev2.ocx

Filesize
81KB

MD5
062f600bfa0e9862d10167bc3e61ee1e

SHA1
9947de7e0dd4a4e7ac93d8042ea558ef1dea460c

SHA256
1ea23705074ee81226fcd0c17b036cf5df61df48698ce11dd0eb385e2978efe2

SHA512
6bd61aaed9e9b1bae017913c4fd5577f644180a1739471939819500c0415dbc722d7cc650da00b6072b25bc8ecf3640500f2d75264566fed552ff7c0eac93d59

Download Submit
memory/4376-11-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/4376-13-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/4376-5-0x00007FFFB0270000-0x00007FFFB0280000-memory.dmp

Filesize
64KB

Download
memory/4376-1-0x00007FFFF028D000-0x00007FFFF028E000-memory.dmp

Filesize
4KB

Download
memory/4376-9-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/4376-8-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/4376-7-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/4376-6-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/4376-0-0x00007FFFB0270000-0x00007FFFB0280000-memory.dmp

Filesize
64KB

Download
memory/4376-10-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/4376-12-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/4376-2-0x00007FFFB0270000-0x00007FFFB0280000-memory.dmp

Filesize
64KB

Download
memory/4376-15-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/4376-16-0x00007FFFAE050000-0x00007FFFAE060000-memory.dmp

Filesize
64KB

Download
memory/4376-14-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/4376-17-0x00007FFFAE050000-0x00007FFFAE060000-memory.dmp

Filesize
64KB

Download
memory/4376-4-0x00007FFFB0270000-0x00007FFFB0280000-memory.dmp

Filesize
64KB

Download
memory/4376-43-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/4376-44-0x00007FFFF028D000-0x00007FFFF028E000-memory.dmp

Filesize
4KB

Download
memory/4376-45-0x00007FFFF01F0000-0x00007FFFF03E5000-memory.dmp

Filesize
2.0MB

Download
memory/4376-3-0x00007FFFB0270000-0x00007FFFB0280000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads