a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016

General

Target

a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Size

171KB
MD5

0c668d3f15e51c49bed3cd1a23c3294d
SHA1

25c93aa6920586e590649399717dd12997bdc829
SHA256

a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016
SHA512

13cb9933b63fe942935a66e1fd306774b5c03a3f2f2c2ac87b047f8ac65d7776898c4878508b318a07af08863a90cff1868cdf2f572d2911a42c1e42a4010d96
SSDEEP

3072:yLk395hYXJrn/kjZP0GoDWD3rGIZ/Rt7D7zBrZO6H8p/18xqxBYTJPQ6:yQqpXFSiId7XzhBH851fY5j

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
1384	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Internet Explorer\5008191210.dat	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
File opened for modification	C:\Program Files (x86)\Internet Explorer\5008191210.dat	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Enable Browser Extensions = "No"	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\URLSEARCHHOOKS	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe

Modifies registry class 22 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\PROTOCOLS\Name-Space Handler\http	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\PROTOCOLS\Name-Space Handler\about	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{50081910-2022-1295-951B-9EA34E34E8CC}\AppID = "{73A7FFA7-AA3A-49E5-A777-713B7DB78E9C}"	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{50081910-2022-1295-951B-9EA34E34E8CC}\ProgID	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{50081910-2022-1295-951B-9EA34E34E8CC}\Programmable\1 = "1"	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{50081910-2022-1295-951B-9EA34E34E8CC}\VersionIndependentProgID	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{50081910-2022-1295-951B-9EA34E34E8CC}\VersionIndependentProgID\	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\PROTOCOLS\Name-Space Handler	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\PROTOCOLS\Name-Space Handler\about\{50081910-2022-1295-951B-9EA34E34E8CC}\CLSID = "{50081910-2022-1295-951B-9EA34E34E8CC}"	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{50081910-2022-1295-951B-9EA34E34E8CC}\ = "Windows HttpFilter"	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{50081910-2022-1295-951B-9EA34E34E8CC}\Programmable	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{50081910-2022-1295-951B-9EA34E34E8CC}\TypeLib	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\PROTOCOLS	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\PROTOCOLS\Name-Space Handler\http\{50081910-2022-1295-951B-9EA34E34E8CC}	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{50081910-2022-1295-951B-9EA34E34E8CC}	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{50081910-2022-1295-951B-9EA34E34E8CC}\InprocServer32	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{50081910-2022-1295-951B-9EA34E34E8CC}\InprocServer32\ = "5008191210.dat"	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{50081910-2022-1295-951B-9EA34E34E8CC}\InprocServer32\ThreadingModel = "Apartment"	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{50081910-2022-1295-951B-9EA34E34E8CC}\ProgID\	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{50081910-2022-1295-951B-9EA34E34E8CC}\TypeLib\ = "{04F7BD61-E11D-4BB3-B6FE-B730BCA713D4}"	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\PROTOCOLS\Name-Space Handler\http\{50081910-2022-1295-951B-9EA34E34E8CC}\CLSID = "{50081910-2022-1295-951B-9EA34E34E8CC}"	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\PROTOCOLS\Name-Space Handler\about\{50081910-2022-1295-951B-9EA34E34E8CC}	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeRestorePrivilege	1384	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
Token: SeBackupPrivilege	1384	a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe

C:\Users\Admin\AppData\Local\Temp\a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe
"C:\Users\Admin\AppData\Local\Temp\a3884eb3b24830d7ef9fff07eff995f3d76f6edd368971de10087cf9016d0016.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:1384

Network

MITRE ATT&CK Enterprise v6

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

\Users\Admin\AppData\Local\Temp\nst2FE8.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
memory/1384-54-0x0000000074FD1000-0x0000000074FD3000-memory.dmp

Filesize
8KB

Download

Analysis

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