58b50486698b3f166fb5aaf9ce08dc2f05a2732e8263507b8dcea62034ca6230

General

Target

a45c180893d07ad8b8bac4f89e3ffcda.exe
Size

2.0MB
MD5

a45c180893d07ad8b8bac4f89e3ffcda
SHA1

96289ac5daa11a54be812f1324a343c33580430e
SHA256

58b50486698b3f166fb5aaf9ce08dc2f05a2732e8263507b8dcea62034ca6230
SHA512

852b6a529f3740295412a1507955bf13b7b422d122b43f3f3b4c1d497eda65cc43483da6de8433789bd079139c1c0aa47203bb684b477737a518b239d601c472
SSDEEP

49152:OFUcx88PWPOpX0SFDBCyLk8rc/+bPQRW5pAEyGc:O+K88uPCHtiT/+bouAEyGc

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2500	C6D8.tmp

Loads dropped DLL 1 IoCs

pid	Process
1692	a45c180893d07ad8b8bac4f89e3ffcda.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-1-5-21-778096762-2241304387-192235952-1000\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
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
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
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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
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
2556	WINWORD.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2500	C6D8.tmp

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
2556	WINWORD.EXE
2556	WINWORD.EXE
2556	WINWORD.EXE
2556	WINWORD.EXE
2556	WINWORD.EXE
2556	WINWORD.EXE
2556	WINWORD.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 2500	1692	a45c180893d07ad8b8bac4f89e3ffcda.exe	28
PID 1692 wrote to memory of 2500	1692	a45c180893d07ad8b8bac4f89e3ffcda.exe	28
PID 1692 wrote to memory of 2500	1692	a45c180893d07ad8b8bac4f89e3ffcda.exe	28
PID 1692 wrote to memory of 2500	1692	a45c180893d07ad8b8bac4f89e3ffcda.exe	28
PID 2500 wrote to memory of 2556	2500	C6D8.tmp	29
PID 2500 wrote to memory of 2556	2500	C6D8.tmp	29
PID 2500 wrote to memory of 2556	2500	C6D8.tmp	29
PID 2500 wrote to memory of 2556	2500	C6D8.tmp	29

C:\Users\Admin\AppData\Local\Temp\a45c180893d07ad8b8bac4f89e3ffcda.exe
"C:\Users\Admin\AppData\Local\Temp\a45c180893d07ad8b8bac4f89e3ffcda.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1692
- C:\Users\Admin\AppData\Local\Temp\C6D8.tmp
  "C:\Users\Admin\AppData\Local\Temp\C6D8.tmp" --splashC:\Users\Admin\AppData\Local\Temp\a45c180893d07ad8b8bac4f89e3ffcda.exe 4CAE343A1BB6CC770BFA6B5A42314E0B4AEF9E784DC021C6491CD7909E621DAB045592720A86FC4BBD1820C14EEB0FF18DE72CA0744D4065B9F4E473B66C1304
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:2500
- - 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\a45c180893d07ad8b8bac4f89e3ffcda.docx"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:2556

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\C6D8.tmp

Filesize
1.5MB

MD5
f86b2050fe1922cb914900896944d52a

SHA1
2d52aa9fab0720c6b488b216a6a8de67af3369ca

SHA256
35f7a7f11df4c264ca72ea92fe4ca95a02487ade38488e6bb47e4e56046b88f2

SHA512
3863efdca967e557cbb18a499a4137211974d826f804937fe44dd111350f1a51e7fb07c3d92a9cefee24ac680669cc0618a2708fe29f243aeb3960f10c4a1d57

Download Submit
C:\Users\Admin\AppData\Local\Temp\a45c180893d07ad8b8bac4f89e3ffcda.docx

Filesize
19KB

MD5
4046ff080673cffac6529512b8d3bdbb

SHA1
d3cbc39065b7a55e995fa25397da2140bdac80c1

SHA256
f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680

SHA512
453f70730b7560e3d3e23ddfa0fe74e014753f8b34b45254c1c0cf5fec0546a2b8b109a4f9d096e91711b6d02cb383a7136c2cb7bd6600d0598acf7c90c25418

Download Submit
\Users\Admin\AppData\Local\Temp\C6D8.tmp

Filesize
2.0MB

MD5
53e3e9dfb7e9426570ef9b4011d7f9a7

SHA1
275e1f5b54bb252ade4985c914216d0bc85f2521

SHA256
e0b768132c8135e54d0bec0d8c15400351c0b01dfb6c5560e0ecae8d3cda2dd7

SHA512
696a36bc377f9e62d507a900965d4731450fce4900046efb55c25ea65fdeb6fabd28099c25d289614ece402c5656018da75c8b6b5c960b89bf9a55d6ef78e2be

Download Submit
memory/1692-0-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download
memory/2500-6-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download
memory/2556-9-0x000000002FB81000-0x000000002FB82000-memory.dmp

Filesize
4KB

Download
memory/2556-10-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2556-11-0x0000000070F7D000-0x0000000070F88000-memory.dmp

Filesize
44KB

Download
memory/2556-15-0x0000000070F7D000-0x0000000070F88000-memory.dmp

Filesize
44KB

Download

Analysis

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