7b583b5ae85ac25cb9d6f05587b26904e4389b2f8f5b4710c46acc86b5235ea4

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 20:45

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General

Target

038679fdd242e6886d6a6bc631f31991.exe
Size

248KB
MD5

038679fdd242e6886d6a6bc631f31991
SHA1

8569e82220960fca46817f99992b3f647c313381
SHA256

7b583b5ae85ac25cb9d6f05587b26904e4389b2f8f5b4710c46acc86b5235ea4
SHA512

c158ace187f0ffedd9659462f1a03319ac95fc5ec014e7703bd09d61bded23c794ee5ca67f716f6a27e5fd2d481cc81a55fcd1b26cc8813d05f9034cdbe732b0
SSDEEP

3072:EAYTc3bNEnv9DHkY+38wG/wUnois8Y2ngX+e/M7oM0HYLcjoYBsH2d:EHTayI8wGfoUY2gXo7oX4LcdBs2

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	xoobak.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	038679fdd242e6886d6a6bc631f31991.exe

Executes dropped EXE 1 IoCs

pid	Process
4528	xoobak.exe

Adds Run key to start application 2 TTPs 52 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /w"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /P"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /G"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /D"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /x"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /O"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /U"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /A"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /C"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /r"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /J"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /s"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /e"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /f"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /j"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /c"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /Z"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /L"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /Y"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /p"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /o"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /v"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /t"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /N"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /T"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /u"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /m"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /a"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /E"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /V"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /S"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /q"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /i"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /I"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /d"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /R"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /h"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /F"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /M"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /Q"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /H"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /K"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /B"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /n"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /z"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /k"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /y"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /X"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /W"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /g"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /l"	xoobak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xoobak = "C:\\Users\\Admin\\xoobak.exe /b"	xoobak.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe
4528	xoobak.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2176	038679fdd242e6886d6a6bc631f31991.exe
4528	xoobak.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 4528	2176	038679fdd242e6886d6a6bc631f31991.exe	91
PID 2176 wrote to memory of 4528	2176	038679fdd242e6886d6a6bc631f31991.exe	91
PID 2176 wrote to memory of 4528	2176	038679fdd242e6886d6a6bc631f31991.exe	91

C:\Users\Admin\AppData\Local\Temp\038679fdd242e6886d6a6bc631f31991.exe
"C:\Users\Admin\AppData\Local\Temp\038679fdd242e6886d6a6bc631f31991.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Users\Admin\xoobak.exe
  "C:\Users\Admin\xoobak.exe"
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:4528

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\xoobak.exe

Filesize
248KB

MD5
cd4848df6e815e52b878761d9f7a497c

SHA1
dd128199d4028cbe410d1678805c8ba77b0f431a

SHA256
75360d88f6c6cc1d4ccf7baaaaf92c1382db3a44eca4e6d93492fe20dd762901

SHA512
aae941189b9380361875d318fcf20b4278136db9e4ce55c9f108e4d9a01badb6aae84b2e5660bd0ada77cc1ed9fe950fc997319306a4e7354e1a9641746db3f7

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