681d0986756410c466a2984772af3ac606b1052e4ab1888bf405fb4f80946367

General

Target

681d0986756410c466a2984772af3ac606b1052e4ab1888bf405fb4f80946367.xls
Size

91KB
MD5

96011f4e08873f93a329299e2bc6dc7f
SHA1

d3b96baa9c1e202e78369d0ad0936aa0ad2704f1
SHA256

681d0986756410c466a2984772af3ac606b1052e4ab1888bf405fb4f80946367
SHA512

dbf95032c9277a913853dcb77d6845d7e7b49081be97924a95db5d8d265dad5aa4f14168eda1a92f815d459622203149dd6452caf75e2982fe144bbf06fed0b3
SSDEEP

1536:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgCbCXuZH4gb4CEn9J4ZiL5:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgp

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://helpeve.com/wp-admin/sOdeuF1c4DV2h/

xlm40.dropper

http://christplanet.com/wp-admin/maint/mtlsi/TxsAE7TAAb/

xlm40.dropper

http://www.chawkyfrenn.com/icon/LRWYSefRL7/

xlm40.dropper

http://chist.com/dir-/N5zALqqTmf/

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	2676	4256	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4988	4256	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4232	4256	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3288	4256	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 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
4256	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4256	EXCEL.EXE
4256	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4256 wrote to memory of 2676	4256	EXCEL.EXE	85
PID 4256 wrote to memory of 2676	4256	EXCEL.EXE	85
PID 4256 wrote to memory of 4988	4256	EXCEL.EXE	87
PID 4256 wrote to memory of 4988	4256	EXCEL.EXE	87
PID 4256 wrote to memory of 4232	4256	EXCEL.EXE	90
PID 4256 wrote to memory of 4232	4256	EXCEL.EXE	90
PID 4256 wrote to memory of 3288	4256	EXCEL.EXE	92
PID 4256 wrote to memory of 3288	4256	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\681d0986756410c466a2984772af3ac606b1052e4ab1888bf405fb4f80946367.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:4256
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:2676
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:4988
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:4232
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:3288

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
1KB

MD5
2144c8d15ea601055581845149780473

SHA1
d3c79c04652e4f9ef07524d1622a86ca14eabd4e

SHA256
c5cc3cc32cdff568b2a0dbb17c15255fccc8f1cb7c6ecb3411a48db2e79468cb

SHA512
10cb3570717841d0853c1b7bc67aeb73aaade11360effe34e3ddc5da3faeb5f0d617a9ffe0f6735b6a60e8acacbaf1077b809b752a8cd20c2919eecfd07456ad

Download Submit
memory/4256-7-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-38-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-4-0x00007FFFB0630000-0x00007FFFB0640000-memory.dmp

Filesize
64KB

Download
memory/4256-2-0x00007FFFB0630000-0x00007FFFB0640000-memory.dmp

Filesize
64KB

Download
memory/4256-8-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-9-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-11-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-13-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-12-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-14-0x00007FFFADF90000-0x00007FFFADFA0000-memory.dmp

Filesize
64KB

Download
memory/4256-1-0x00007FFFF064D000-0x00007FFFF064E000-memory.dmp

Filesize
4KB

Download
memory/4256-3-0x00007FFFB0630000-0x00007FFFB0640000-memory.dmp

Filesize
64KB

Download
memory/4256-17-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-16-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-15-0x00007FFFADF90000-0x00007FFFADFA0000-memory.dmp

Filesize
64KB

Download
memory/4256-18-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-19-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-6-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-5-0x00007FFFB0630000-0x00007FFFB0640000-memory.dmp

Filesize
64KB

Download
memory/4256-36-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-37-0x00007FFFF064D000-0x00007FFFF064E000-memory.dmp

Filesize
4KB

Download
memory/4256-0-0x00007FFFB0630000-0x00007FFFB0640000-memory.dmp

Filesize
64KB

Download
memory/4256-42-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download
memory/4256-10-0x00007FFFF05B0000-0x00007FFFF07A5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads