4a41a8590ff1cb55010f8d78a8e3389090bd107c928e1299ca21d1c9ccc52baa

General

Target

c7f417385ad0909471abb17da32f75e9.exe
Size

2.0MB
MD5

c7f417385ad0909471abb17da32f75e9
SHA1

20df3daa270245d824d2865be62472855aab07e0
SHA256

4a41a8590ff1cb55010f8d78a8e3389090bd107c928e1299ca21d1c9ccc52baa
SHA512

7ca50838077c0439b1c12f0d8794bdc5d8ec8dc3530e05610fd31a29a863f0883eb18c40ee54d454d531cf99030805d24774e0a20965b7f47617806b800ffac0
SSDEEP

24576:tNZA1N2q9OlKwGQc8mpxPWPOuwxX06rdFHlD3Wm/ic/rp2+orCHzIZhB542LfCYb:OFUcx88PWPOpX0SFdB59NkR/VNJEzyGc

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2620	55BE.tmp

Loads dropped DLL 1 IoCs

pid	Process
2148	c7f417385ad0909471abb17da32f75e9.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
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2584	WINWORD.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2620	55BE.tmp

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2584	WINWORD.EXE
2584	WINWORD.EXE
2584	WINWORD.EXE
2584	WINWORD.EXE
2584	WINWORD.EXE
2584	WINWORD.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2620	2148	c7f417385ad0909471abb17da32f75e9.exe	28
PID 2148 wrote to memory of 2620	2148	c7f417385ad0909471abb17da32f75e9.exe	28
PID 2148 wrote to memory of 2620	2148	c7f417385ad0909471abb17da32f75e9.exe	28
PID 2148 wrote to memory of 2620	2148	c7f417385ad0909471abb17da32f75e9.exe	28
PID 2620 wrote to memory of 2584	2620	55BE.tmp	29
PID 2620 wrote to memory of 2584	2620	55BE.tmp	29
PID 2620 wrote to memory of 2584	2620	55BE.tmp	29
PID 2620 wrote to memory of 2584	2620	55BE.tmp	29

C:\Users\Admin\AppData\Local\Temp\c7f417385ad0909471abb17da32f75e9.exe
"C:\Users\Admin\AppData\Local\Temp\c7f417385ad0909471abb17da32f75e9.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Users\Admin\AppData\Local\Temp\55BE.tmp
  "C:\Users\Admin\AppData\Local\Temp\55BE.tmp" --splashC:\Users\Admin\AppData\Local\Temp\c7f417385ad0909471abb17da32f75e9.exe AC9AB9DB404DBA016074FA51C32C4F1C2F3480482DA7483C13F45F7A4E5E834F67650675E2ED21C1099027C484051C6E5E8973BEB0363A9FBE48D8B8C14A71B8
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:2620
- - 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\c7f417385ad0909471abb17da32f75e9.docx"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:2584

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\55BE.tmp

Filesize
1.8MB

MD5
cf39f13f13a0e97fbe2553be5cf6a3a9

SHA1
9b48e9454d589998f191ffa34f6b583c8981ccc8

SHA256
f503bab3f3d4850313cf178cb020babf0f6599def14c3d9edd30779ffc0d0f8f

SHA512
4807ba1012e80cffaf00cfe29b454b9750e1cc2640f1ad3b8c0eeb4db30b94e7bf02cfe6f700a87f9b7fc706e4b41cd576c1e75e6c3c906f8fc6a1c89ddde1e1

Download Submit
C:\Users\Admin\AppData\Local\Temp\c7f417385ad0909471abb17da32f75e9.docx

Filesize
19KB

MD5
4046ff080673cffac6529512b8d3bdbb

SHA1
d3cbc39065b7a55e995fa25397da2140bdac80c1

SHA256
f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680

SHA512
453f70730b7560e3d3e23ddfa0fe74e014753f8b34b45254c1c0cf5fec0546a2b8b109a4f9d096e91711b6d02cb383a7136c2cb7bd6600d0598acf7c90c25418

Download Submit
\Users\Admin\AppData\Local\Temp\55BE.tmp

Filesize
1.6MB

MD5
a912a19b9d78c15f0f630c5b22c68d2c

SHA1
af77e4121588cee05620e51a9be396ef474f1ed0

SHA256
d80578d2465f3f04f158b09cdadf78e7286bc50fe4a0578599af55499f61fc9e

SHA512
2a03f4649622125af13c9ad3242a3b9220a5d66e79eba8ceed22700fd52373b3aebab885f18c5673f6576be14e0d2791d04a0e84d711e328551bd188b5bb40e4

Download Submit
memory/2148-0-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download
memory/2584-9-0x000000002FA51000-0x000000002FA52000-memory.dmp

Filesize
4KB

Download
memory/2584-10-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2584-11-0x0000000070C6D000-0x0000000070C78000-memory.dmp

Filesize
44KB

Download
memory/2584-15-0x0000000070C6D000-0x0000000070C78000-memory.dmp

Filesize
44KB

Download
memory/2620-6-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download

Analysis

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