812a70b03189a3bd66ef00d2a64cfa115a3cad7207364650972567eac196446b

General

Target

812a70b03189a3bd66ef00d2a64cfa115a3cad7207364650972567eac196446b.xls
Size

60KB
MD5

9a23c7e9aaaea780ae6a00c4aff33a9b
SHA1

939fb1832af578418f5bbb330640a61b43fde46e
SHA256

812a70b03189a3bd66ef00d2a64cfa115a3cad7207364650972567eac196446b
SHA512

d9744c5c07c16f5b526929e1ef9b5a698bb17ff1988555c94d1a44bddffbd544a9814dc894887da06d455eea37678e48d47f72c2970f1de8abba90b13930f322
SSDEEP

1536:NpKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgUDOJiA6Cv/UGLI36yOAR5t:rKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgI

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	2356	3508	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	636	3508	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5088	3508	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	408	3508	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\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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
3508	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3508	EXCEL.EXE
3508	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3508	EXCEL.EXE
3508	EXCEL.EXE
3508	EXCEL.EXE
3508	EXCEL.EXE
3508	EXCEL.EXE
3508	EXCEL.EXE
3508	EXCEL.EXE
3508	EXCEL.EXE
3508	EXCEL.EXE
3508	EXCEL.EXE
3508	EXCEL.EXE
3508	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3508 wrote to memory of 2356	3508	EXCEL.EXE	88
PID 3508 wrote to memory of 2356	3508	EXCEL.EXE	88
PID 3508 wrote to memory of 636	3508	EXCEL.EXE	90
PID 3508 wrote to memory of 636	3508	EXCEL.EXE	90
PID 3508 wrote to memory of 5088	3508	EXCEL.EXE	91
PID 3508 wrote to memory of 5088	3508	EXCEL.EXE	91
PID 3508 wrote to memory of 408	3508	EXCEL.EXE	92
PID 3508 wrote to memory of 408	3508	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\812a70b03189a3bd66ef00d2a64cfa115a3cad7207364650972567eac196446b.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:3508
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2356
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:636
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:5088
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:408

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
3KB

MD5
237882f0888a5b49c9003ccb71227ff7

SHA1
487fe80c6a1af599b812559690bd819b18b3d87c

SHA256
21a63d7bbbfe127abd7298d538b10b207e70c58396078d6555a1f5e946d9c70a

SHA512
fef02add397c4c573e2469c4c893c3cc9a4bf36801993442c7997761941449f1cb6d468248876947cfaf11f10baab6a5297a70f93bb3a17a201b051a63d26419

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

Filesize
81KB

MD5
ce02e60209c71eda1b326afa31b20449

SHA1
510a556b4fe391f740c66b02555fceee29c19cc3

SHA256
31fa67392f73177a659069bfdeb7a6e28c0580abfc973dc20dc1d4233a504356

SHA512
86156aef768beb037a76729b2ee73f8ce1a06112e8a9a6e20b4cf1c76e864331f00c109976920cfea1d2c6a5bba1474eeb793bf2a1dacd7a5d843338b522cdaf

Download Submit
memory/3508-15-0x00007FF9E6770000-0x00007FF9E6780000-memory.dmp

Filesize
64KB

Download
memory/3508-2-0x00007FF9E8BD0000-0x00007FF9E8BE0000-memory.dmp

Filesize
64KB

Download
memory/3508-1-0x00007FF9E8BD0000-0x00007FF9E8BE0000-memory.dmp

Filesize
64KB

Download
memory/3508-7-0x00007FF9E8BD0000-0x00007FF9E8BE0000-memory.dmp

Filesize
64KB

Download
memory/3508-6-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/3508-5-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/3508-10-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/3508-11-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/3508-12-0x00007FF9E6770000-0x00007FF9E6780000-memory.dmp

Filesize
64KB

Download
memory/3508-17-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/3508-0-0x00007FF9E8BD0000-0x00007FF9E8BE0000-memory.dmp

Filesize
64KB

Download
memory/3508-3-0x00007FFA28BED000-0x00007FFA28BEE000-memory.dmp

Filesize
4KB

Download
memory/3508-9-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/3508-18-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/3508-19-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/3508-21-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/3508-20-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/3508-16-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/3508-13-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/3508-8-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/3508-4-0x00007FF9E8BD0000-0x00007FF9E8BE0000-memory.dmp

Filesize
64KB

Download
memory/3508-47-0x00007FFA28B50000-0x00007FFA28D45000-memory.dmp

Filesize
2.0MB

Download
memory/3508-14-0x00007FFA28B50000-0x00007FFA28D45000-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