715a3d7675672d8474b83bedfee8e594b96856fa34a915debf9ae57c171ee366

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
06-12-2024 08:31

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General

Target

PO2207008.docm
Size

15KB
MD5

9ce250e7dace223506f0d22240530bb6
SHA1

24a87a2730fb3913369ae8f67ea459afc57976bd
SHA256

715a3d7675672d8474b83bedfee8e594b96856fa34a915debf9ae57c171ee366
SHA512

3185e16fa152f586e91abf29e77087f3966a40e795487c17de1f8320b3c35ff06f99a57762203fb33a18b67e15f11ef451bd1fe30882f319177880bf562a39d3
SSDEEP

384:/imteTM+3an0i13Lp3kO/Xv+iT3eZazFkG:/LJ7v1393p/XGiT3N

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2240	powershell.exe

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
2452	nawBVBlSWH7iu7T.scr

Loads dropped DLL 1 IoCs

pid	Process
2032	WINWORD.EXE

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Drops file in Windows directory 1 IoCs

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

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nawBVBlSWH7iu7T.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Office loads VBA resources, possible macro or embedded object present

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2464	schtasks.exe

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	3	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2032	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2452	nawBVBlSWH7iu7T.scr
2452	nawBVBlSWH7iu7T.scr
2452	nawBVBlSWH7iu7T.scr
2452	nawBVBlSWH7iu7T.scr
2452	nawBVBlSWH7iu7T.scr
2452	nawBVBlSWH7iu7T.scr
2452	nawBVBlSWH7iu7T.scr
2452	nawBVBlSWH7iu7T.scr
2452	nawBVBlSWH7iu7T.scr
2452	nawBVBlSWH7iu7T.scr
2452	nawBVBlSWH7iu7T.scr
2240	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2452	nawBVBlSWH7iu7T.scr
Token: SeDebugPrivilege	2240	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2032	WINWORD.EXE
2032	WINWORD.EXE

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 2452	2032	WINWORD.EXE	30
PID 2032 wrote to memory of 2452	2032	WINWORD.EXE	30
PID 2032 wrote to memory of 2452	2032	WINWORD.EXE	30
PID 2032 wrote to memory of 2452	2032	WINWORD.EXE	30
PID 2032 wrote to memory of 2808	2032	WINWORD.EXE	32
PID 2032 wrote to memory of 2808	2032	WINWORD.EXE	32
PID 2032 wrote to memory of 2808	2032	WINWORD.EXE	32
PID 2032 wrote to memory of 2808	2032	WINWORD.EXE	32
PID 2452 wrote to memory of 2240	2452	nawBVBlSWH7iu7T.scr	34
PID 2452 wrote to memory of 2240	2452	nawBVBlSWH7iu7T.scr	34
PID 2452 wrote to memory of 2240	2452	nawBVBlSWH7iu7T.scr	34
PID 2452 wrote to memory of 2240	2452	nawBVBlSWH7iu7T.scr	34
PID 2452 wrote to memory of 2464	2452	nawBVBlSWH7iu7T.scr	36
PID 2452 wrote to memory of 2464	2452	nawBVBlSWH7iu7T.scr	36
PID 2452 wrote to memory of 2464	2452	nawBVBlSWH7iu7T.scr	36
PID 2452 wrote to memory of 2464	2452	nawBVBlSWH7iu7T.scr	36
PID 2452 wrote to memory of 1092	2452	nawBVBlSWH7iu7T.scr	38
PID 2452 wrote to memory of 1092	2452	nawBVBlSWH7iu7T.scr	38
PID 2452 wrote to memory of 1092	2452	nawBVBlSWH7iu7T.scr	38
PID 2452 wrote to memory of 1092	2452	nawBVBlSWH7iu7T.scr	38
PID 2452 wrote to memory of 2948	2452	nawBVBlSWH7iu7T.scr	39
PID 2452 wrote to memory of 2948	2452	nawBVBlSWH7iu7T.scr	39
PID 2452 wrote to memory of 2948	2452	nawBVBlSWH7iu7T.scr	39
PID 2452 wrote to memory of 2948	2452	nawBVBlSWH7iu7T.scr	39
PID 2452 wrote to memory of 2860	2452	nawBVBlSWH7iu7T.scr	40
PID 2452 wrote to memory of 2860	2452	nawBVBlSWH7iu7T.scr	40
PID 2452 wrote to memory of 2860	2452	nawBVBlSWH7iu7T.scr	40
PID 2452 wrote to memory of 2860	2452	nawBVBlSWH7iu7T.scr	40
PID 2452 wrote to memory of 2560	2452	nawBVBlSWH7iu7T.scr	41
PID 2452 wrote to memory of 2560	2452	nawBVBlSWH7iu7T.scr	41
PID 2452 wrote to memory of 2560	2452	nawBVBlSWH7iu7T.scr	41
PID 2452 wrote to memory of 2560	2452	nawBVBlSWH7iu7T.scr	41
PID 2452 wrote to memory of 2352	2452	nawBVBlSWH7iu7T.scr	42
PID 2452 wrote to memory of 2352	2452	nawBVBlSWH7iu7T.scr	42
PID 2452 wrote to memory of 2352	2452	nawBVBlSWH7iu7T.scr	42
PID 2452 wrote to memory of 2352	2452	nawBVBlSWH7iu7T.scr	42

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\PO2207008.docm"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2032
- C:\ProgramData\nawBVBlSWH7iu7T.scr
  C:\ProgramData\nawBVBlSWH7iu7T.scr
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2452
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YlGewDdvEIy.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2240
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YlGewDdvEIy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp82B.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2464
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:1092
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:2948
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:2860
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:2560
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:2352
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp82B.tmp

Filesize
1KB

MD5
71288a51ec318bf58d2caef5bd6b8bc8

SHA1
83343a32fa46af11ce9adfa7006576c099932737

SHA256
66e658715e254d59c8ce0fae548485ca13d6f2cfddccf8969a9ee3f43ee77c9a

SHA512
d4bd7dc88e4fd2d9af3bf8e97e55c0aef03c99096d7333de3a1750bd30d12de34dfc845ee0b8fd37a8d915a69cc27b92452919e12d2b328738062dad6e89914d

Download Submit
\ProgramData\nawBVBlSWH7iu7T.scr

Filesize
576KB

MD5
d75592cbb9d3ba728f0b27ad6218152c

SHA1
549930cb2a9dc576c4f831793d8e29957d070551

SHA256
c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c

SHA512
346fb36f74267d137173cb1e8838742fe1e595d29e7200f93943949c4331c0eb142f07cfc0a74874a697621603e4c62e78396865ae5da9c5f0f7c3bbda431e25

Download Submit
memory/2032-23-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/2032-0-0x000000002FF71000-0x000000002FF72000-memory.dmp

Filesize
4KB

Download
memory/2032-5-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/2032-4-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/2032-2-0x000000007163D000-0x0000000071648000-memory.dmp

Filesize
44KB

Download
memory/2032-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2032-6-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/2032-22-0x000000007163D000-0x0000000071648000-memory.dmp

Filesize
44KB

Download
memory/2452-17-0x0000000000360000-0x0000000000378000-memory.dmp

Filesize
96KB

Download
memory/2452-15-0x000000006A7B0000-0x000000006AE9E000-memory.dmp

Filesize
6.9MB

Download
memory/2452-14-0x0000000000D20000-0x0000000000DB2000-memory.dmp

Filesize
584KB

Download
memory/2452-24-0x000000006A7BE000-0x000000006A7BF000-memory.dmp

Filesize
4KB

Download
memory/2452-25-0x000000006A7B0000-0x000000006AE9E000-memory.dmp

Filesize
6.9MB

Download
memory/2452-26-0x0000000004520000-0x000000000458C000-memory.dmp

Filesize
432KB

Download
memory/2452-13-0x000000006A7BE000-0x000000006A7BF000-memory.dmp

Filesize
4KB

Download
memory/2452-34-0x000000006A7B0000-0x000000006AE9E000-memory.dmp

Filesize
6.9MB

Download