311249be8276bf71e1ae9206c77548b47503ef3627d0e0b34470665c420246a1

General

Target

311249be8276bf71e1ae9206c77548b47503ef3627d0e0b34470665c420246a1.xls
Size

40KB
MD5

aa54b63b504747242d670f9213981da6
SHA1

c7fa27adbcbe3f54a50e3709c1c288aad10243b6
SHA256

311249be8276bf71e1ae9206c77548b47503ef3627d0e0b34470665c420246a1
SHA512

5ff34f6e9038e64f0c75fc8b05f79e789db28a0d4986fd150223e5ad2ed861a0acbccba22b93ec3df78bdd36a84e4b6accee492e4cb010ae51c24ff0e042d941
SSDEEP

768:pkZKpb8rGYrMPe3q7Q0XV5xtezEs/68/dgACCBn9kC+xbwcZfqG9tMvcVi1ls:p+Kpb8rGYrMPe3q7Q0XV5xtezEsi8/d0

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://easiercommunications.com/wp-content/w/

xlm40.dropper

http://dulichdichvu.net/libraries/QhtrjCZymLp5EbqOdpKk/

xlm40.dropper

https://www.whow.fr/wp-includes/H54Fgj0tG/

xlm40.dropper

http://genccagdas.com.tr/assets/TTHOm833iNn3BxT/

xlm40.dropper

http://heaventechnologies.com.pk/apitest/xdeAU0rx26LT9I/

xlm40.dropper

http://goonboy.com/goonie/bSFz7Av/

Signatures

Process spawned unexpected child process 1 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	3680	1524	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 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
1524	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1524	EXCEL.EXE
1524	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
1524	EXCEL.EXE
1524	EXCEL.EXE
1524	EXCEL.EXE
1524	EXCEL.EXE
1524	EXCEL.EXE
1524	EXCEL.EXE
1524	EXCEL.EXE
1524	EXCEL.EXE
1524	EXCEL.EXE
1524	EXCEL.EXE
1524	EXCEL.EXE
1524	EXCEL.EXE
1524	EXCEL.EXE
1524	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 3680	1524	EXCEL.EXE	99
PID 1524 wrote to memory of 3680	1524	EXCEL.EXE	99

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\311249be8276bf71e1ae9206c77548b47503ef3627d0e0b34470665c420246a1.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:1524
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe ..\wurod.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3680

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
2KB

MD5
657ba3e857e495253658ec143a9c8e47

SHA1
8766eae5659a077b421bab1d33699a13f53a907b

SHA256
b32292714deec7f58f5a4b7cfc73bf878dd1576d6b10acc17fb300af58478a78

SHA512
dc6ba4eb0e81e9a3a9b5e1b5ddc587c861949d6b3313c2376a6f84e668a5101936392c435e3cd30235104a3a9990a9cf2dff411f614544fa0bbb167dd4afff3f

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

Filesize
7KB

MD5
797e94343f2bd6d4cdea65cc8b1fdf00

SHA1
ad3aa4de0584f6e92e2cf571bc02eb4a8138ba66

SHA256
168c6189f01359d4d46c94a1681c214403f530d0c6d643154bc530b5e947407e

SHA512
92302d8b4e0c1ec95efafaf33c0e3248a4a071284691cf9b3d96d6f380ed668798cfda620a7389a76c9f1df07c25dd53d32cc26623f27f176f03f8b4eb8498d3

Download Submit
memory/1524-9-0x00007FF8C6950000-0x00007FF8C6B45000-memory.dmp

Filesize
2.0MB

Download
memory/1524-10-0x00007FF8C6950000-0x00007FF8C6B45000-memory.dmp

Filesize
2.0MB

Download
memory/1524-0-0x00007FF8869D0000-0x00007FF8869E0000-memory.dmp

Filesize
64KB

Download
memory/1524-5-0x00007FF8C6950000-0x00007FF8C6B45000-memory.dmp

Filesize
2.0MB

Download
memory/1524-6-0x00007FF8C6950000-0x00007FF8C6B45000-memory.dmp

Filesize
2.0MB

Download
memory/1524-7-0x00007FF8869D0000-0x00007FF8869E0000-memory.dmp

Filesize
64KB

Download
memory/1524-3-0x00007FF8C69ED000-0x00007FF8C69EE000-memory.dmp

Filesize
4KB

Download
memory/1524-1-0x00007FF8869D0000-0x00007FF8869E0000-memory.dmp

Filesize
64KB

Download
memory/1524-12-0x00007FF8C6950000-0x00007FF8C6B45000-memory.dmp

Filesize
2.0MB

Download
memory/1524-11-0x00007FF8C6950000-0x00007FF8C6B45000-memory.dmp

Filesize
2.0MB

Download
memory/1524-8-0x00007FF8C6950000-0x00007FF8C6B45000-memory.dmp

Filesize
2.0MB

Download
memory/1524-13-0x00007FF8848D0000-0x00007FF8848E0000-memory.dmp

Filesize
64KB

Download
memory/1524-14-0x00007FF8848D0000-0x00007FF8848E0000-memory.dmp

Filesize
64KB

Download
memory/1524-44-0x00007FF8C6950000-0x00007FF8C6B45000-memory.dmp

Filesize
2.0MB

Download
memory/1524-2-0x00007FF8869D0000-0x00007FF8869E0000-memory.dmp

Filesize
64KB

Download
memory/1524-4-0x00007FF8869D0000-0x00007FF8869E0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads