69b6c615a994333da2cd78792c4e9f8d0fe3b15290611a76cf750798d8406185

Analysis

max time kernel
182s
max time network
201s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 15:49

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General

Target

3a594d066395d5d8efe21b31786a1e84.exe
Size

25KB
MD5

3a594d066395d5d8efe21b31786a1e84
SHA1

268804bf4654b2daa918a2d056083d2345dd8718
SHA256

69b6c615a994333da2cd78792c4e9f8d0fe3b15290611a76cf750798d8406185
SHA512

501bcce95b74e7e22deb81579be934f2f44f9ba448dec3cd708786392906051e7b05ff155ec70905629a1087f5c3deee8bfb24a3b070ed1537d8719c770a3e4f
SSDEEP

768:XLAXSjvpQpSLv8q2wMJ10gNoKJ7LLCvms7nDHIU:MXSjv8SAqB2102oKNLeucLz

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3a594d066395d5d8efe21b31786a1e84.exe"	3a594d066395d5d8efe21b31786a1e84.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File created	C:\Windows\System32\DriverStore\FileRepository\uefi.inf_amd64_c1628ffa62c8e54c\UEFI.sys	3a594d066395d5d8efe21b31786a1e84.exe
File created	C:\Windows\System32\DriverStore\FileRepository\ufxchipidea.inf_amd64_1c78775fffab6a0a\UfxChipidea.sys	3a594d066395d5d8efe21b31786a1e84.exe
File created	C:\Windows\System32\DriverStore\FileRepository\urschipidea.inf_amd64_78ad1c14e33df968\urschipidea.sys	3a594d066395d5d8efe21b31786a1e84.exe
File created	C:\Windows\System32\DriverStore\FileRepository\vrd.inf_amd64_81fbd405ff2470fc\vrd.sys	3a594d066395d5d8efe21b31786a1e84.exe
File created	C:\Windows\System32\DriverStore\FileRepository\swenum.inf_amd64_16a14542b63c02af\swenum.sys	3a594d066395d5d8efe21b31786a1e84.exe
File created	C:\Windows\System32\DriverStore\FileRepository\genericusbfn.inf_amd64_53931f0ae21d6d2c\genericusbfn.sys	3a594d066395d5d8efe21b31786a1e84.exe
File created	C:\Windows\System32\DriverStore\FileRepository\umbus.inf_amd64_b78a9c5b6fd62c27\umbus.sys	3a594d066395d5d8efe21b31786a1e84.exe
File created	C:\Windows\System32\DriverStore\FileRepository\urssynopsys.inf_amd64_057fa37902020500\urssynopsys.sys	3a594d066395d5d8efe21b31786a1e84.exe
File created	C:\Windows\System32\DriverStore\FileRepository\compositebus.inf_amd64_7500cffa210c6946\CompositeBus.sys	3a594d066395d5d8efe21b31786a1e84.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4604	3a594d066395d5d8efe21b31786a1e84.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4604	3a594d066395d5d8efe21b31786a1e84.exe
4604	3a594d066395d5d8efe21b31786a1e84.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4604	3a594d066395d5d8efe21b31786a1e84.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 776	4604	3a594d066395d5d8efe21b31786a1e84.exe	8
PID 4604 wrote to memory of 3648	4604	3a594d066395d5d8efe21b31786a1e84.exe	92
PID 4604 wrote to memory of 3648	4604	3a594d066395d5d8efe21b31786a1e84.exe	92
PID 4604 wrote to memory of 3648	4604	3a594d066395d5d8efe21b31786a1e84.exe	92

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p
1⤵
PID:776

C:\Users\Admin\AppData\Local\Temp\3a594d066395d5d8efe21b31786a1e84.exe
"C:\Users\Admin\AppData\Local\Temp\3a594d066395d5d8efe21b31786a1e84.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4604
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" %1
  2⤵
  PID:3648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\rdl2536.tmp

Filesize
6KB

MD5
a240958fe9d5acbe71a2b3c3a11e1102

SHA1
b9413646979bb90da854a8509aa3594fb5e2a79b

SHA256
6118af8a4e3c776f412e026bbaac204714d787036eeafb0406685d1f65ce7be3

SHA512
09667b4fda6b8276b428fcbe57f66acb317b7e21b1e22d55ecb354e54b1352e697dcb5e2d9d9be890f694d6e1deaadda86ebca008c25eca084c2ea89678c1944

Download Submit
memory/4604-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4604-3-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4604-1-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/4604-4-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4604-44-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4604-45-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/4604-47-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4604-57-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download