48b206fa3001ff4f06394a3ec2c366a9859f5722461511418dbc5585c86bf407

General

Target

48b206fa3001ff4f06394a3ec2c366a9859f5722461511418dbc5585c86bf407.xls
Size

60KB
MD5

d7636a31f21b3c86bcac82757a3fe351
SHA1

3f8fb437e613fb7de41fa4ada398793e66bf6787
SHA256

48b206fa3001ff4f06394a3ec2c366a9859f5722461511418dbc5585c86bf407
SHA512

206a1e30eef32d43896260460a93a76a6c8570e1b5534bdb20814bac3553c1546b9b2038e5d83159b04c65f787cecf3cb15a00fc3b819b8a15668cba6abe2530
SSDEEP

1536:NpKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgUDOJiA6Cv/UGLI36yOAR5N:rKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgQ

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	1188	4004	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	208	4004	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	756	4004	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2912	4004	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 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
4004	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4004	EXCEL.EXE
4004	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4004	EXCEL.EXE
4004	EXCEL.EXE
4004	EXCEL.EXE
4004	EXCEL.EXE
4004	EXCEL.EXE
4004	EXCEL.EXE
4004	EXCEL.EXE
4004	EXCEL.EXE
4004	EXCEL.EXE
4004	EXCEL.EXE
4004	EXCEL.EXE
4004	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 1188	4004	EXCEL.EXE	87
PID 4004 wrote to memory of 1188	4004	EXCEL.EXE	87
PID 4004 wrote to memory of 208	4004	EXCEL.EXE	98
PID 4004 wrote to memory of 208	4004	EXCEL.EXE	98
PID 4004 wrote to memory of 756	4004	EXCEL.EXE	99
PID 4004 wrote to memory of 756	4004	EXCEL.EXE	99
PID 4004 wrote to memory of 2912	4004	EXCEL.EXE	100
PID 4004 wrote to memory of 2912	4004	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\48b206fa3001ff4f06394a3ec2c366a9859f5722461511418dbc5585c86bf407.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:4004
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1188
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:208
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:756
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2912

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
b9e843116a6f5abfe6e02068acae60df

SHA1
430a43b946bc6b9b3be4955b8cd2180d467dc9ae

SHA256
a00590771cffe181ec37d58de963276c414bd7c45df6dc8d0afe5d7e68b3301b

SHA512
9e55de6da5d127565ae17ff3e063b7c2d454eafac4e88bfa3a91799aae7484dbfd8a33260087de6f10f49e381c7b63e0be7840e70c84073cc693d984b19dbb91

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

Filesize
81KB

MD5
c6275209939fba5ea75b0c1de220836e

SHA1
108bffdc1f9befb8d2e4228cd950a4e04dea06ff

SHA256
08fca3a8cbefa68b5ea7ff9ed46d91df7fcf437fcd2ffb141054bf2949c211ae

SHA512
7c12c5f1cc205ea9d476e9d7e96dc88018910b9c6c02fe6c1de04e5eb7e03aa5aa0380bb5d403e2a05826be2f833f2c200e8b8ccc6ad55cf6ed09299dfbab04f

Download Submit
memory/4004-8-0x00007FF95A230000-0x00007FF95A240000-memory.dmp

Filesize
64KB

Download
memory/4004-13-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

Filesize
2.0MB

Download
memory/4004-5-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

Filesize
2.0MB

Download
memory/4004-4-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

Filesize
2.0MB

Download
memory/4004-7-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

Filesize
2.0MB

Download
memory/4004-11-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

Filesize
2.0MB

Download
memory/4004-10-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

Filesize
2.0MB

Download
memory/4004-9-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

Filesize
2.0MB

Download
memory/4004-3-0x00007FF95A230000-0x00007FF95A240000-memory.dmp

Filesize
64KB

Download
memory/4004-6-0x00007FF95A230000-0x00007FF95A240000-memory.dmp

Filesize
64KB

Download
memory/4004-12-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

Filesize
2.0MB

Download
memory/4004-0-0x00007FF99A24D000-0x00007FF99A24E000-memory.dmp

Filesize
4KB

Download
memory/4004-14-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

Filesize
2.0MB

Download
memory/4004-15-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

Filesize
2.0MB

Download
memory/4004-16-0x00007FF957CB0000-0x00007FF957CC0000-memory.dmp

Filesize
64KB

Download
memory/4004-17-0x00007FF957CB0000-0x00007FF957CC0000-memory.dmp

Filesize
64KB

Download
memory/4004-32-0x00007FF99A24D000-0x00007FF99A24E000-memory.dmp

Filesize
4KB

Download
memory/4004-33-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

Filesize
2.0MB

Download
memory/4004-34-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

Filesize
2.0MB

Download
memory/4004-1-0x00007FF95A230000-0x00007FF95A240000-memory.dmp

Filesize
64KB

Download
memory/4004-2-0x00007FF95A230000-0x00007FF95A240000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads