41d1925957031e9caee9014b69e59007354719a35bdad1f01e05231977d1ba2b

General

Target

16bdae8ef0df9f8a7d00c2894f1eb4c1.exe
Size

2.0MB
MD5

16bdae8ef0df9f8a7d00c2894f1eb4c1
SHA1

e1526c10cebb997cd774b76f5fac8ff85c2f7659
SHA256

41d1925957031e9caee9014b69e59007354719a35bdad1f01e05231977d1ba2b
SHA512

05341efbdcfd05bb040c188f917c784697e452cc5d36854da04e86494cd8a3480a8fce0f33312e7a3ce1d61dd9797ce0f64ae7e1f9d7f234000744345f5c51c6
SSDEEP

49152:OFUcx88PWPOpX0SFlSqbBVcS4pnUi4mu0M8bDwlZQnzei60rNVyGc:O+K88uPCHbSqb0JUmA8bDe+C4yGc

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3052	AE78.tmp

Loads dropped DLL 1 IoCs

pid	Process
2988	16bdae8ef0df9f8a7d00c2894f1eb4c1.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1980	WINWORD.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3052	AE78.tmp

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1980	WINWORD.EXE
1980	WINWORD.EXE
1980	WINWORD.EXE
1980	WINWORD.EXE
1980	WINWORD.EXE
1980	WINWORD.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 3052	2988	16bdae8ef0df9f8a7d00c2894f1eb4c1.exe	28
PID 2988 wrote to memory of 3052	2988	16bdae8ef0df9f8a7d00c2894f1eb4c1.exe	28
PID 2988 wrote to memory of 3052	2988	16bdae8ef0df9f8a7d00c2894f1eb4c1.exe	28
PID 2988 wrote to memory of 3052	2988	16bdae8ef0df9f8a7d00c2894f1eb4c1.exe	28
PID 3052 wrote to memory of 1980	3052	AE78.tmp	29
PID 3052 wrote to memory of 1980	3052	AE78.tmp	29
PID 3052 wrote to memory of 1980	3052	AE78.tmp	29
PID 3052 wrote to memory of 1980	3052	AE78.tmp	29

C:\Users\Admin\AppData\Local\Temp\16bdae8ef0df9f8a7d00c2894f1eb4c1.exe
"C:\Users\Admin\AppData\Local\Temp\16bdae8ef0df9f8a7d00c2894f1eb4c1.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Users\Admin\AppData\Local\Temp\AE78.tmp
  "C:\Users\Admin\AppData\Local\Temp\AE78.tmp" --splashC:\Users\Admin\AppData\Local\Temp\16bdae8ef0df9f8a7d00c2894f1eb4c1.exe 661D7A0A0F3BE418F96865212313332F12BDE65EBE15EC788C486F4D7B02185DFEA7076ADD3E9C7E968BCB6273CBBBAF04F36C717F3274BE3FCB012DDE3D05A3
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:3052
- - 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\16bdae8ef0df9f8a7d00c2894f1eb4c1.docx"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:1980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\16bdae8ef0df9f8a7d00c2894f1eb4c1.docx

Filesize
19KB

MD5
4046ff080673cffac6529512b8d3bdbb

SHA1
d3cbc39065b7a55e995fa25397da2140bdac80c1

SHA256
f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680

SHA512
453f70730b7560e3d3e23ddfa0fe74e014753f8b34b45254c1c0cf5fec0546a2b8b109a4f9d096e91711b6d02cb383a7136c2cb7bd6600d0598acf7c90c25418

Download Submit
C:\Users\Admin\AppData\Local\Temp\AE78.tmp

Filesize
2.0MB

MD5
985056847a6c8f77425fae6a30c8e0ce

SHA1
a0c7f6f6adfd41c7239901b332e9f644345de041

SHA256
33004a7df1ead5012fce3dc8e257a3187e507dd96e2b3001bc1a5bbbf0c4f40a

SHA512
460bc0ab8abe960705caaa6a5aa4877690a078a8862a42dd11596f09ae3cffc14b771c615438bd45f30803079ded6999f2874389356618bb381a7ed3c28df0e0

Download Submit
memory/1980-9-0x000000002F1F1000-0x000000002F1F2000-memory.dmp

Filesize
4KB

Download
memory/1980-10-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1980-11-0x00000000719ED000-0x00000000719F8000-memory.dmp

Filesize
44KB

Download
memory/1980-15-0x00000000719ED000-0x00000000719F8000-memory.dmp

Filesize
44KB

Download
memory/2988-0-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download
memory/3052-6-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing