3130b51de26ed50e5b0641ca8907e426a3770a935ee14018e8be7e80043da179

General

Target

3130b51de26ed50e5b0641ca8907e426a3770a935ee14018e8be7e80043da179.xls
Size

77KB
MD5

522611bd07375229efa38ccbc210bd80
SHA1

774843ab1a1bef5e92f24a8207a96e9f4a5e3adb
SHA256

3130b51de26ed50e5b0641ca8907e426a3770a935ee14018e8be7e80043da179
SHA512

77f09bbb7fb7f2914aca2c1ea08facd8e6f1509d7c596ef93306d6f4cd528d08878f50df8e4f8fd978c5ba7de20359cd948d64b3e825a32a6098e7096b76b4ef
SSDEEP

1536:ASKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgew+hD8nTLqQrRrZws8E6u:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg5

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://natdemo.natrixsoftware.com/wp-admin/QyqiN/

xlm40.dropper

http://luisangeja.com/COPYRIGHT/BJljffG6/

xlm40.dropper

http://nerz.net/stats/KVIyooM/

Signatures

Process spawned unexpected child process 3 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	5076	1352	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3692	1352	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1552	1352	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
1352	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1352	EXCEL.EXE
1352	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 5076	1352	EXCEL.EXE	86
PID 1352 wrote to memory of 5076	1352	EXCEL.EXE	86
PID 1352 wrote to memory of 3692	1352	EXCEL.EXE	87
PID 1352 wrote to memory of 3692	1352	EXCEL.EXE	87
PID 1352 wrote to memory of 1552	1352	EXCEL.EXE	91
PID 1352 wrote to memory of 1552	1352	EXCEL.EXE	91

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\3130b51de26ed50e5b0641ca8907e426a3770a935ee14018e8be7e80043da179.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:1352
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 C:\Uduw\soam1.OCX
  2⤵
  - Process spawned unexpected child process
  PID:5076
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 C:\Uduw\soam2.OCX
  2⤵
  - Process spawned unexpected child process
  PID:3692
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 C:\Uduw\soam3.OCX
  2⤵
  - Process spawned unexpected child process
  PID:1552

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

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Downloads

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

Filesize
1KB

MD5
1106d43f547e7be8028359c7afdb8b00

SHA1
b7d87edec9e5435ceafb247f07a788dc1f75359a

SHA256
3ece1e8989211e8e43f8ff8795899e3d59ad9e5b9f46097dfd5a9b4243adb567

SHA512
1917134b55800daad14e201ff68f20dbc39d2ea22168994a057a40829e09aa6ca72d52a382ff261951228effbd6976d947ff4a3d48df918bb5c89fd89874f8c7

Download Submit
memory/1352-12-0x00007FF8F4420000-0x00007FF8F4430000-memory.dmp

Filesize
64KB

Download
memory/1352-18-0x00007FF8F4420000-0x00007FF8F4430000-memory.dmp

Filesize
64KB

Download
memory/1352-5-0x00007FF8F6550000-0x00007FF8F6560000-memory.dmp

Filesize
64KB

Download
memory/1352-1-0x00007FF8F6550000-0x00007FF8F6560000-memory.dmp

Filesize
64KB

Download
memory/1352-7-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-6-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-0-0x00007FF8F6550000-0x00007FF8F6560000-memory.dmp

Filesize
64KB

Download
memory/1352-13-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-2-0x00007FF8F6550000-0x00007FF8F6560000-memory.dmp

Filesize
64KB

Download
memory/1352-4-0x00007FF8F6550000-0x00007FF8F6560000-memory.dmp

Filesize
64KB

Download
memory/1352-10-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-15-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-17-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-16-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-14-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-9-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-8-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-3-0x00007FF93656D000-0x00007FF93656E000-memory.dmp

Filesize
4KB

Download
memory/1352-28-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-11-0x00007FF9364D0000-0x00007FF9366C5000-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