715a3d7675672d8474b83bedfee8e594b96856fa34a915debf9ae57c171ee366

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
06-12-2024 08:28

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General

Target

PO#2207008 .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
1492	powershell.exe

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
2936	nawBVBlSWH7iu7T.scr

Loads dropped DLL 1 IoCs

pid	Process
2700	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
2360	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
2700	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2936	nawBVBlSWH7iu7T.scr
2936	nawBVBlSWH7iu7T.scr
2936	nawBVBlSWH7iu7T.scr
1492	powershell.exe
2936	nawBVBlSWH7iu7T.scr
2936	nawBVBlSWH7iu7T.scr
2936	nawBVBlSWH7iu7T.scr
2936	nawBVBlSWH7iu7T.scr
2936	nawBVBlSWH7iu7T.scr
2936	nawBVBlSWH7iu7T.scr
2936	nawBVBlSWH7iu7T.scr
2936	nawBVBlSWH7iu7T.scr

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2936	nawBVBlSWH7iu7T.scr
Token: SeDebugPrivilege	1492	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2700	WINWORD.EXE
2700	WINWORD.EXE

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2936	2700	WINWORD.EXE	30
PID 2700 wrote to memory of 2936	2700	WINWORD.EXE	30
PID 2700 wrote to memory of 2936	2700	WINWORD.EXE	30
PID 2700 wrote to memory of 2936	2700	WINWORD.EXE	30
PID 2700 wrote to memory of 2348	2700	WINWORD.EXE	32
PID 2700 wrote to memory of 2348	2700	WINWORD.EXE	32
PID 2700 wrote to memory of 2348	2700	WINWORD.EXE	32
PID 2700 wrote to memory of 2348	2700	WINWORD.EXE	32
PID 2936 wrote to memory of 1492	2936	nawBVBlSWH7iu7T.scr	33
PID 2936 wrote to memory of 1492	2936	nawBVBlSWH7iu7T.scr	33
PID 2936 wrote to memory of 1492	2936	nawBVBlSWH7iu7T.scr	33
PID 2936 wrote to memory of 1492	2936	nawBVBlSWH7iu7T.scr	33
PID 2936 wrote to memory of 2360	2936	nawBVBlSWH7iu7T.scr	35
PID 2936 wrote to memory of 2360	2936	nawBVBlSWH7iu7T.scr	35
PID 2936 wrote to memory of 2360	2936	nawBVBlSWH7iu7T.scr	35
PID 2936 wrote to memory of 2360	2936	nawBVBlSWH7iu7T.scr	35
PID 2936 wrote to memory of 2068	2936	nawBVBlSWH7iu7T.scr	37
PID 2936 wrote to memory of 2068	2936	nawBVBlSWH7iu7T.scr	37
PID 2936 wrote to memory of 2068	2936	nawBVBlSWH7iu7T.scr	37
PID 2936 wrote to memory of 2068	2936	nawBVBlSWH7iu7T.scr	37
PID 2936 wrote to memory of 2408	2936	nawBVBlSWH7iu7T.scr	38
PID 2936 wrote to memory of 2408	2936	nawBVBlSWH7iu7T.scr	38
PID 2936 wrote to memory of 2408	2936	nawBVBlSWH7iu7T.scr	38
PID 2936 wrote to memory of 2408	2936	nawBVBlSWH7iu7T.scr	38
PID 2936 wrote to memory of 3036	2936	nawBVBlSWH7iu7T.scr	39
PID 2936 wrote to memory of 3036	2936	nawBVBlSWH7iu7T.scr	39
PID 2936 wrote to memory of 3036	2936	nawBVBlSWH7iu7T.scr	39
PID 2936 wrote to memory of 3036	2936	nawBVBlSWH7iu7T.scr	39
PID 2936 wrote to memory of 3052	2936	nawBVBlSWH7iu7T.scr	40
PID 2936 wrote to memory of 3052	2936	nawBVBlSWH7iu7T.scr	40
PID 2936 wrote to memory of 3052	2936	nawBVBlSWH7iu7T.scr	40
PID 2936 wrote to memory of 3052	2936	nawBVBlSWH7iu7T.scr	40
PID 2936 wrote to memory of 3032	2936	nawBVBlSWH7iu7T.scr	41
PID 2936 wrote to memory of 3032	2936	nawBVBlSWH7iu7T.scr	41
PID 2936 wrote to memory of 3032	2936	nawBVBlSWH7iu7T.scr	41
PID 2936 wrote to memory of 3032	2936	nawBVBlSWH7iu7T.scr	41

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\PO#2207008 .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:2700
- 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:2936
- - 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:1492
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YlGewDdvEIy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp95BA.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2360
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:2068
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:2408
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:3036
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:3052
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:3032
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2348

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\tmp95BA.tmp

Filesize
1KB

MD5
741d627cb627fe87c3958b2686b8cd56

SHA1
f04ae81e3bb209ec14056a25f00a325c78aefa99

SHA256
4d2d5efd129fa165a74300c2aa0aa1bc3bb16ec629d067e7fb91f66a03de579d

SHA512
a75eb6474e3596c4557ea1a8dccbec274269c6c218fbf0a9dad805edd221b260c2f8ee6e7cd9461d27a00a085ef7c2dcca31fe6bf8c950457d3643940fe2df81

Download Submit
\ProgramData\nawBVBlSWH7iu7T.scr

Filesize
576KB

MD5
d75592cbb9d3ba728f0b27ad6218152c

SHA1
549930cb2a9dc576c4f831793d8e29957d070551

SHA256
c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c

SHA512
346fb36f74267d137173cb1e8838742fe1e595d29e7200f93943949c4331c0eb142f07cfc0a74874a697621603e4c62e78396865ae5da9c5f0f7c3bbda431e25

Download Submit
memory/2700-20-0x00000000007F0000-0x00000000008F0000-memory.dmp

Filesize
1024KB

Download
memory/2700-0-0x000000002F771000-0x000000002F772000-memory.dmp

Filesize
4KB

Download
memory/2700-5-0x00000000007F0000-0x00000000008F0000-memory.dmp

Filesize
1024KB

Download
memory/2700-6-0x00000000007F0000-0x00000000008F0000-memory.dmp

Filesize
1024KB

Download
memory/2700-2-0x0000000070FED000-0x0000000070FF8000-memory.dmp

Filesize
44KB

Download
memory/2700-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2700-4-0x00000000007F0000-0x00000000008F0000-memory.dmp

Filesize
1024KB

Download
memory/2700-19-0x0000000070FED000-0x0000000070FF8000-memory.dmp

Filesize
44KB

Download
memory/2936-17-0x0000000001EA0000-0x0000000001EB8000-memory.dmp

Filesize
96KB

Download
memory/2936-15-0x000000006A640000-0x000000006AD2E000-memory.dmp

Filesize
6.9MB

Download
memory/2936-14-0x0000000000090000-0x0000000000122000-memory.dmp

Filesize
584KB

Download
memory/2936-21-0x000000006A64E000-0x000000006A64F000-memory.dmp

Filesize
4KB

Download
memory/2936-22-0x000000006A640000-0x000000006AD2E000-memory.dmp

Filesize
6.9MB

Download
memory/2936-23-0x0000000004D50000-0x0000000004DBC000-memory.dmp

Filesize
432KB

Download
memory/2936-13-0x000000006A64E000-0x000000006A64F000-memory.dmp

Filesize
4KB

Download
memory/2936-31-0x000000006A640000-0x000000006AD2E000-memory.dmp

Filesize
6.9MB

Download