3a1cdbe96d807a936a6ea813e09c838b759d35e59e73c9320fa43c38d8733ec4

Analysis

max time kernel
12s
max time network
6s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
20/09/2024, 14:51

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Reason

Machine shutdown

Report Analysis Logs

General

Target

edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe
Size

456KB
MD5

edd3aebf6e54616a396dd25fec685534
SHA1

ee778cf4a7206c44fe9dededb4e2628aebf30fd1
SHA256

3a1cdbe96d807a936a6ea813e09c838b759d35e59e73c9320fa43c38d8733ec4
SHA512

f4513a083f7bdb61e5d04304fe20fdac6e110821892a453674eeba8e9b5e859212058b3d7a3ab5d43def852baabb9cfc4792b37458e14e3492a68adc70117296
SSDEEP

12288:jEVXKpmokkif4JgTIoq43H2cE05nMx11DGkfb7i:jEtRsiAJgMe3H2cJCx1YOb7i

Score

10^/10

bootkit discovery evasion persistence

Malware Config

Signatures

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

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	iAsD8zgo9sJlU4T4lK.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	btyoj.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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	iAsD8zgo9sJlU4T4lK.exe

Executes dropped EXE 5 IoCs

pid	Process
388	iAsD8zgo9sJlU4T4lK.exe
2900	btyoj.exe
344	txhost.exe
2700	txhost.exe
2248	uxhost.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\btyoj = "C:\\Users\\Admin\\btyoj.exe /Y"	iAsD8zgo9sJlU4T4lK.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\btyoj = "C:\\Users\\Admin\\btyoj.exe /f"	btyoj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\btyoj = "C:\\Users\\Admin\\btyoj.exe /a"	btyoj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\btyoj = "C:\\Users\\Admin\\btyoj.exe /h"	btyoj.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\physicaldrive0	uxhost.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

discovery

Process Discovery

T1057

pid	Process
2408	tasklist.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4960 set thread context of 2008	4960	edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe	89
PID 344 set thread context of 2700	344	txhost.exe	100

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iAsD8zgo9sJlU4T4lK.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	btyoj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasklist.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	txhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uxhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
388	iAsD8zgo9sJlU4T4lK.exe
388	iAsD8zgo9sJlU4T4lK.exe
388	iAsD8zgo9sJlU4T4lK.exe
388	iAsD8zgo9sJlU4T4lK.exe
2700	txhost.exe
2700	txhost.exe
2900	btyoj.exe
2900	btyoj.exe
2900	btyoj.exe
2900	btyoj.exe
2900	btyoj.exe
2900	btyoj.exe
2900	btyoj.exe
2900	btyoj.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2408	tasklist.exe
Token: SeShutdownPrivilege	2248	uxhost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2008	edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe
388	iAsD8zgo9sJlU4T4lK.exe
2900	btyoj.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 2008	4960	edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe	89
PID 4960 wrote to memory of 2008	4960	edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe	89
PID 4960 wrote to memory of 2008	4960	edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe	89
PID 4960 wrote to memory of 2008	4960	edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe	89
PID 4960 wrote to memory of 2008	4960	edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe	89
PID 4960 wrote to memory of 2008	4960	edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe	89
PID 4960 wrote to memory of 2008	4960	edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe	89
PID 4960 wrote to memory of 2008	4960	edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe	89
PID 2008 wrote to memory of 388	2008	edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe	92
PID 2008 wrote to memory of 388	2008	edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe	92
PID 2008 wrote to memory of 388	2008	edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe	92
PID 388 wrote to memory of 2900	388	iAsD8zgo9sJlU4T4lK.exe	94
PID 388 wrote to memory of 2900	388	iAsD8zgo9sJlU4T4lK.exe	94
PID 388 wrote to memory of 2900	388	iAsD8zgo9sJlU4T4lK.exe	94
PID 388 wrote to memory of 3060	388	iAsD8zgo9sJlU4T4lK.exe	95
PID 388 wrote to memory of 3060	388	iAsD8zgo9sJlU4T4lK.exe	95
PID 388 wrote to memory of 3060	388	iAsD8zgo9sJlU4T4lK.exe	95
PID 3060 wrote to memory of 2408	3060	cmd.exe	97
PID 3060 wrote to memory of 2408	3060	cmd.exe	97
PID 3060 wrote to memory of 2408	3060	cmd.exe	97
PID 2008 wrote to memory of 344	2008	edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe	98
PID 2008 wrote to memory of 344	2008	edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe	98
PID 2008 wrote to memory of 344	2008	edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe	98
PID 344 wrote to memory of 2700	344	txhost.exe	100
PID 344 wrote to memory of 2700	344	txhost.exe	100
PID 344 wrote to memory of 2700	344	txhost.exe	100
PID 344 wrote to memory of 2700	344	txhost.exe	100
PID 344 wrote to memory of 2700	344	txhost.exe	100
PID 344 wrote to memory of 2700	344	txhost.exe	100
PID 344 wrote to memory of 2700	344	txhost.exe	100
PID 344 wrote to memory of 2700	344	txhost.exe	100
PID 344 wrote to memory of 2700	344	txhost.exe	100
PID 344 wrote to memory of 2700	344	txhost.exe	100
PID 2008 wrote to memory of 2248	2008	edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe	101
PID 2008 wrote to memory of 2248	2008	edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe	101
PID 2008 wrote to memory of 2248	2008	edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe	101

C:\Users\Admin\AppData\Local\Temp\edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Users\Admin\AppData\Local\Temp\edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe
  edd3aebf6e54616a396dd25fec685534_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2008
- - C:\Users\Admin\iAsD8zgo9sJlU4T4lK.exe
    C:\Users\Admin\iAsD8zgo9sJlU4T4lK.exe
    3⤵
    - Modifies visiblity of hidden/system files in Explorer
    - Checks computer location settings
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:388
  - - C:\Users\Admin\btyoj.exe
      "C:\Users\Admin\btyoj.exe"
      4⤵
      Modifies visiblity of hidden/system files in Explorer
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      PID:2900
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c tasklist&&del iAsD8zgo9sJlU4T4lK.exe
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3060
    - - C:\Windows\SysWOW64\tasklist.exe
        
        tasklist
        5⤵
        Enumerates processes with tasklist
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:2408
- - C:\Users\Admin\txhost.exe
    C:\Users\Admin\txhost.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:344
  - - C:\Users\Admin\txhost.exe
      txhost.exe
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2700
- - C:\Users\Admin\uxhost.exe
    C:\Users\Admin\uxhost.exe
    3⤵
    - Executes dropped EXE
    - Writes to the Master Boot Record (MBR)
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2248

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

Pre-OS Boot

T1542

Bootkit

T1542.003

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

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\btyoj.exe

Filesize
156KB

MD5
ba9db7d2f94db27803d29e44406c3853

SHA1
91c0a8d543d142b2e18d53f24fd5d7d70fd0e8c5

SHA256
63d3962bd58bd3935fe6135a29dbbde4eaf33796a396bf35d53b85bceadbcb33

SHA512
b8bb180d08e87210444b5fc3a5036fb519bba0fa51f94d18082f68b9e944334e2a92016002938f95bb188eff85d05b88350bc5fec2d17e99148b7df94fc10529

Download Submit
C:\Users\Admin\iAsD8zgo9sJlU4T4lK.exe

Filesize
156KB

MD5
c1ca4a842399156d6ce56df9fe167158

SHA1
c24482b800d11e8f0238df3d950b745f38c245e7

SHA256
197d8be66fca12a1c137e920a49610b38f29756c7b7473ec1962c6499918f15a

SHA512
a89f3170db1de6f296b12c42059495821ef6e9b03a8e3e58aafcfa5cfab8cc0f996e5498476f638a80f604a2c2d6b7d626bd621b35b0c4502b6916aa1380e1c9

Download Submit
C:\Users\Admin\txhost.exe

Filesize
146KB

MD5
18c83c689100e66caedb1c76ed87bd95

SHA1
901c0f6c4757d37d5a2e357704344aeb31a9cadb

SHA256
37d78483538af016b7646678df08893badea86d7b5f4317b99393bbcd3c172b9

SHA512
e87c6aeaa1cc7a69f390c57d4cbcc1efa3cb5349a445831f822f7843b3a3d850f9793818d4e1e7fe011a5af0e99bbdb7cf8a5ec13541dedb8431fc47ef9f33b1

Download Submit
C:\Users\Admin\uxhost.exe

Filesize
219KB

MD5
861e3902ecc188eba323032a88d1e56e

SHA1
6c6265be666d9c93acd6ddc55e94a9de8580191c

SHA256
79ae1f344b550f57a9f03ec18894df1b9b255b865b5872801d0f043c1b77eb84

SHA512
044f284dd78b7aad2f733628c901d7bd1067436d76c4b3fad3bf024f8faecaaf38e453053431daf7afa8c8b14f5eea6fe4f75148b8923ac2441f966ac118cec4

Download Submit
memory/344-58-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2008-2-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/2008-5-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/2008-1-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/2248-63-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2700-54-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2700-53-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2700-51-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2700-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2700-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2700-52-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4960-4-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads