94519fee9d47fd0262d1dd50e0bf20ea7cb0962b3a1e1de217c5f462b0633fab

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
14/01/2025, 07:07

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General

Target

PI ITS15235.doc
Size

143KB
MD5

c8e60db8174345c243187675d4c760de
SHA1

34bdd0903708f1ab747cbb45a6a292517e1df83e
SHA256

94519fee9d47fd0262d1dd50e0bf20ea7cb0962b3a1e1de217c5f462b0633fab
SHA512

ae643f21123ef8514bf4ac405f0f385534b7d87fa681669d8bc276b81cecfce0e4660843aa442ec52882ca66e8f7cf80c3952bd0fc039ac5dc0d8047b970e769
SSDEEP

1536:L7dgmjjy2lQkySTUb2roegTK+g9WomfaQjSqttJnkL5mS9kBwNR42q8Z:LZPjbTU+J799IjSqtteL5N9kBF2

Score

8^/10

discovery

Malware Config

Signatures

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
2556	brightness.exe

Loads dropped DLL 5 IoCs

pid	Process
1048	WINWORD.EXE
1048	WINWORD.EXE
1888	WerFault.exe
1888	WerFault.exe
1888	WerFault.exe

Drops file in Windows directory 1 IoCs

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1888	2556	WerFault.exe	30

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

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

Office loads VBA resources, possible macro or embedded object present

Script User-Agent 1 IoCs

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

description	flow	ioc
HTTP User-Agent header	2	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1048	WINWORD.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1048	WINWORD.EXE
1048	WINWORD.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 2556	1048	WINWORD.EXE	30
PID 1048 wrote to memory of 2556	1048	WINWORD.EXE	30
PID 1048 wrote to memory of 2556	1048	WINWORD.EXE	30
PID 1048 wrote to memory of 2556	1048	WINWORD.EXE	30
PID 1048 wrote to memory of 2500	1048	WINWORD.EXE	32
PID 1048 wrote to memory of 2500	1048	WINWORD.EXE	32
PID 1048 wrote to memory of 2500	1048	WINWORD.EXE	32
PID 1048 wrote to memory of 2500	1048	WINWORD.EXE	32
PID 2556 wrote to memory of 1888	2556	brightness.exe	34
PID 2556 wrote to memory of 1888	2556	brightness.exe	34
PID 2556 wrote to memory of 1888	2556	brightness.exe	34
PID 2556 wrote to memory of 1888	2556	brightness.exe	34

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\PI ITS15235.doc"
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:1048
- C:\Users\Admin\AppData\Local\Temp\brightness.exe
  "brightness.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2556 -s 732
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:1888
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\brightness.exe

Filesize
1.4MB

MD5
8d3e16cb3ce3940e87a322fbeeab419f

SHA1
5a1e2a3e55b6d8e77f6b038e171034d50a5b97d9

SHA256
d3155fcf6f052606bc5f0c293aa6ee43d27bf7990713863e2dd23ab870fbb0bf

SHA512
683329d2b9c7aed5c2f03572503c601a866dd3c28c4292bce4453afc509458b20d7183729d284d1961fe3b126b8312712fc4903b8a1d41ab9738dc49455f5911

Download Submit
memory/1048-0-0x000000002FFA1000-0x000000002FFA2000-memory.dmp

Filesize
4KB

Download
memory/1048-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1048-2-0x000000007161D000-0x0000000071628000-memory.dmp

Filesize
44KB

Download
memory/1048-6-0x0000000005AB0000-0x0000000005BB0000-memory.dmp

Filesize
1024KB

Download
memory/1048-194-0x000000007161D000-0x0000000071628000-memory.dmp

Filesize
44KB

Download
memory/1048-195-0x0000000005AB0000-0x0000000005BB0000-memory.dmp

Filesize
1024KB

Download
memory/2556-15-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2556-20-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-19-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-18-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-21-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-17-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-22-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-24-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-23-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-26-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-25-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-49-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-28-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-27-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-29-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-30-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-71-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-31-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-32-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-33-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-34-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-36-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-35-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-60-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-59-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-58-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-57-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-56-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-55-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-54-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-53-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-52-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-51-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-50-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-48-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-47-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-46-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-45-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-44-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-43-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-42-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-41-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-40-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-39-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-38-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-37-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-61-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-62-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-63-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-79-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-72-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-70-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-69-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-68-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-67-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-66-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-65-0x0000000003090000-0x0000000004090000-memory.dmp

Filesize
16.0MB

Download
memory/2556-64-0x0000000000400000-0x000000000056A000-memory.dmp

Filesize
1.4MB

Download
memory/2556-279-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download