bcf4da127174d250938aa4e070a58803d9efe82127af5e0aca2c860ed8bad7ff

General

Target

c7441e08aa4bde63f234a7c674ead91a.exe
Size

2.0MB
MD5

c7441e08aa4bde63f234a7c674ead91a
SHA1

38159e227cc992a79b0210d8a39df4a2677692b1
SHA256

bcf4da127174d250938aa4e070a58803d9efe82127af5e0aca2c860ed8bad7ff
SHA512

8620a7b79ceb4879de78061144903fe3345dacd64a23e871d424b8b215bd71fdee8e3255a0b6bce5b2b8fde8a1aa3d25356c22c93d9d97b2eb531994193ece03
SSDEEP

49152:OFUcx88PWPOpX0SFhxmf8kIcyQD7tDmrwx+iqCRIyGc:O+K88uPCHjxmFIrQDJDlgf+IyGc

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2736	56B8.tmp

Loads dropped DLL 1 IoCs

pid	Process
2940	c7441e08aa4bde63f234a7c674ead91a.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-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\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-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2216	WINWORD.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2736	56B8.tmp

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2216	WINWORD.EXE
2216	WINWORD.EXE
2216	WINWORD.EXE
2216	WINWORD.EXE
2216	WINWORD.EXE
2216	WINWORD.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 2736	2940	c7441e08aa4bde63f234a7c674ead91a.exe	28
PID 2940 wrote to memory of 2736	2940	c7441e08aa4bde63f234a7c674ead91a.exe	28
PID 2940 wrote to memory of 2736	2940	c7441e08aa4bde63f234a7c674ead91a.exe	28
PID 2940 wrote to memory of 2736	2940	c7441e08aa4bde63f234a7c674ead91a.exe	28
PID 2736 wrote to memory of 2216	2736	56B8.tmp	29
PID 2736 wrote to memory of 2216	2736	56B8.tmp	29
PID 2736 wrote to memory of 2216	2736	56B8.tmp	29
PID 2736 wrote to memory of 2216	2736	56B8.tmp	29

C:\Users\Admin\AppData\Local\Temp\c7441e08aa4bde63f234a7c674ead91a.exe
"C:\Users\Admin\AppData\Local\Temp\c7441e08aa4bde63f234a7c674ead91a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2940
- C:\Users\Admin\AppData\Local\Temp\56B8.tmp
  "C:\Users\Admin\AppData\Local\Temp\56B8.tmp" --splashC:\Users\Admin\AppData\Local\Temp\c7441e08aa4bde63f234a7c674ead91a.exe 7EF53B2FF5B0581A1FF1733CE6B84D41078FD0F312AA57A81B312D9C2AF8A938F2D0E9BBC20CE9BAAE2E3DBB62D30D3F5AA126479EE75559322BD13ABE764978
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:2736
- - 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\c7441e08aa4bde63f234a7c674ead91a.docx"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:2216

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\c7441e08aa4bde63f234a7c674ead91a.docx

Filesize
19KB

MD5
4046ff080673cffac6529512b8d3bdbb

SHA1
d3cbc39065b7a55e995fa25397da2140bdac80c1

SHA256
f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680

SHA512
453f70730b7560e3d3e23ddfa0fe74e014753f8b34b45254c1c0cf5fec0546a2b8b109a4f9d096e91711b6d02cb383a7136c2cb7bd6600d0598acf7c90c25418

Download Submit
\Users\Admin\AppData\Local\Temp\56B8.tmp

Filesize
2.0MB

MD5
7fba040246d66021871bf61b85bbffa5

SHA1
ca9c8839a152bebb68301f39de1dc0a0958d3232

SHA256
4c88040c234cda9ddfe1d17027e431ef0b4505c20fb49504dcd61af0f9870f5a

SHA512
37f587c31e96171e89f4a1dd3bc1e319f4ba4e53fb2d5abb3b819603262c9faf7c113f5c02ecf800d69b4ba507607b2590ddfd10c8acab89949bdbe59bd7f2c3

Download Submit
memory/2216-9-0x000000002F6C1000-0x000000002F6C2000-memory.dmp

Filesize
4KB

Download
memory/2216-10-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2216-11-0x000000007129D000-0x00000000712A8000-memory.dmp

Filesize
44KB

Download
memory/2216-15-0x000000007129D000-0x00000000712A8000-memory.dmp

Filesize
44KB

Download
memory/2736-6-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download
memory/2940-0-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download

Analysis

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