55e4c8c2853a7840f64cec0e2e90d9fcafc22320428c8d69093ff081254be20c

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 19:25

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General

Target

a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe
Size

496KB
MD5

a7e9dd646b4bad2c5e4f622feec0262a
SHA1

c820b37bdb4b7466ac7d7acb3f5e9fb7b40b1e8f
SHA256

55e4c8c2853a7840f64cec0e2e90d9fcafc22320428c8d69093ff081254be20c
SHA512

95138941f672c8cf09a97c8ec89ef4e64d8fb483ef1890d1e79f5334453e44df16cc426eb17c3c0ba726e3148075fd7bc40cfdcf90fc5f0cb0ababc8f74f1497
SSDEEP

12288:g99MYYs/zDnn6/YBh6Wu1MXp7tJ7NDtChroRARoHrPK:gAByvnQYn6iXdZJChroGMK

Score

7^/10

bootkit discovery persistence upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	udpconmain.exe

Executes dropped EXE 5 IoCs

pid	Process
3588	udpconmain.exe
4492	udpconmain.exe
4696	udpconmain.exe
2920	miner.exe
3744	unzip.exe

UPX packed file 10 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3376-7-0x0000000000400000-0x00000000004FF000-memory.dmp	upx
behavioral2/memory/3376-9-0x0000000000400000-0x00000000004FF000-memory.dmp	upx
behavioral2/memory/3376-11-0x0000000000400000-0x00000000004FF000-memory.dmp	upx
behavioral2/memory/3376-12-0x0000000000400000-0x00000000004FF000-memory.dmp	upx
behavioral2/memory/3376-28-0x0000000000400000-0x00000000004FF000-memory.dmp	upx
behavioral2/memory/4696-44-0x0000000000400000-0x00000000004FF000-memory.dmp	upx
behavioral2/memory/4696-45-0x0000000000400000-0x00000000004FF000-memory.dmp	upx
behavioral2/memory/4696-43-0x0000000000400000-0x00000000004FF000-memory.dmp	upx
behavioral2/memory/4696-77-0x0000000000400000-0x00000000004FF000-memory.dmp	upx
behavioral2/memory/4696-81-0x0000000000400000-0x00000000004FF000-memory.dmp	upx

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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CPU Config = "C:\\Users\\Admin\\AppData\\Local\\Temp\\udpconmain.exe"	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe

Writes to the Master Boot Record (MBR) 1 TTPs 2 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	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe
File opened for modification	\??\PhysicalDrive0	udpconmain.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3372 set thread context of 4048	3372	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	92
PID 4048 set thread context of 3376	4048	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	93
PID 3588 set thread context of 4492	3588	udpconmain.exe	99
PID 4492 set thread context of 4696	4492	udpconmain.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 9 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	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	udpconmain.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	unzip.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	udpconmain.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	udpconmain.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	miner.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4696	udpconmain.exe
4696	udpconmain.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3372	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe
4048	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe
3588	udpconmain.exe
4492	udpconmain.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 3372 wrote to memory of 4048	3372	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	92
PID 3372 wrote to memory of 4048	3372	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	92
PID 3372 wrote to memory of 4048	3372	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	92
PID 3372 wrote to memory of 4048	3372	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	92
PID 3372 wrote to memory of 4048	3372	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	92
PID 3372 wrote to memory of 4048	3372	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	92
PID 3372 wrote to memory of 4048	3372	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	92
PID 3372 wrote to memory of 4048	3372	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	92
PID 4048 wrote to memory of 3376	4048	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	93
PID 4048 wrote to memory of 3376	4048	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	93
PID 4048 wrote to memory of 3376	4048	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	93
PID 4048 wrote to memory of 3376	4048	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	93
PID 4048 wrote to memory of 3376	4048	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	93
PID 4048 wrote to memory of 3376	4048	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	93
PID 4048 wrote to memory of 3376	4048	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	93
PID 4048 wrote to memory of 3376	4048	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	93
PID 3376 wrote to memory of 3588	3376	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	94
PID 3376 wrote to memory of 3588	3376	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	94
PID 3376 wrote to memory of 3588	3376	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	94
PID 3376 wrote to memory of 2752	3376	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	95
PID 3376 wrote to memory of 2752	3376	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	95
PID 3376 wrote to memory of 2752	3376	a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe	95
PID 3588 wrote to memory of 4492	3588	udpconmain.exe	99
PID 3588 wrote to memory of 4492	3588	udpconmain.exe	99
PID 3588 wrote to memory of 4492	3588	udpconmain.exe	99
PID 3588 wrote to memory of 4492	3588	udpconmain.exe	99
PID 3588 wrote to memory of 4492	3588	udpconmain.exe	99
PID 3588 wrote to memory of 4492	3588	udpconmain.exe	99
PID 3588 wrote to memory of 4492	3588	udpconmain.exe	99
PID 3588 wrote to memory of 4492	3588	udpconmain.exe	99
PID 4492 wrote to memory of 4696	4492	udpconmain.exe	100
PID 4492 wrote to memory of 4696	4492	udpconmain.exe	100
PID 4492 wrote to memory of 4696	4492	udpconmain.exe	100
PID 4492 wrote to memory of 4696	4492	udpconmain.exe	100
PID 4492 wrote to memory of 4696	4492	udpconmain.exe	100
PID 4492 wrote to memory of 4696	4492	udpconmain.exe	100
PID 4492 wrote to memory of 4696	4492	udpconmain.exe	100
PID 4492 wrote to memory of 4696	4492	udpconmain.exe	100
PID 4696 wrote to memory of 2920	4696	udpconmain.exe	101
PID 4696 wrote to memory of 2920	4696	udpconmain.exe	101
PID 4696 wrote to memory of 2920	4696	udpconmain.exe	101
PID 4696 wrote to memory of 3744	4696	udpconmain.exe	103
PID 4696 wrote to memory of 3744	4696	udpconmain.exe	103
PID 4696 wrote to memory of 3744	4696	udpconmain.exe	103

C:\Users\Admin\AppData\Local\Temp\a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3372
- C:\Users\Admin\AppData\Local\Temp\a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe"
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4048
- - C:\Users\Admin\AppData\Local\Temp\a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a7e9dd646b4bad2c5e4f622feec0262a_JaffaCakes118.exe"
    3⤵
    - Checks computer location settings
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3376
  - - C:\Users\Admin\AppData\Local\Temp\udpconmain.exe
      "C:\Users\Admin\AppData\Local\Temp\udpconmain.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:3588
    - - C:\Users\Admin\AppData\Local\Temp\udpconmain.exe
        
        "C:\Users\Admin\AppData\Local\Temp\udpconmain.exe"
        5⤵
        Executes dropped EXE
        Writes to the Master Boot Record (MBR)
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:4492
      - C:\Users\Admin\AppData\Local\Temp\udpconmain.exe
        
        "C:\Users\Admin\AppData\Local\Temp\udpconmain.exe"
        6⤵
        Checks computer location settings
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:4696
        
        C:\Users\Admin\AppData\Local\Temp\miner.exe
        
        "C:\Users\Admin\AppData\Local\Temp\miner.exe" -a 5 -o http://mtred.com:8337 -u illusive101 -p slimjim101 -t 1
        7⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2920
        
        C:\Users\Admin\AppData\Local\Temp\unzip.exe
        
        "C:\Users\Admin\AppData\Local\Temp\unzip.exe" payload.zip
        7⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:3744
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\help.bat" "
      4⤵
      System Location Discovery: System Language Discovery
      PID:2752

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

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\help.bat

Filesize
142B

MD5
6a816de02813391f892ca690dbbe1ecb

SHA1
7ea84457eaec9babb9f458f9e8fc69ee373deb42

SHA256
83c7106ddcfd370130c1dd94ed0a1b770380f266a91b6bc8c34ede5fc778e32b

SHA512
817cb3c08f466115023148efcda7a75565f88fc6dec789a12ec51754463e56773282cc5c9ffa45b67d53c1603754651ee31bc48cede31566007ac40b98c2033c

Download Submit
C:\Users\Admin\AppData\Local\Temp\miner.exe

Filesize
726KB

MD5
3b4986e5d94d0e5723eea640a6735769

SHA1
eab3272d5ef1038bf3d336d2b033b813403a9ff2

SHA256
8b2b026f8d00b02ff75f05cbf322e4f4b85fb609cddd93bebf17014914b90df9

SHA512
efff68d4e82bf61cf7430e0673fe92f5f379ac5e52b084516d6d624097e3f767f7696f48d576dce02b03fe5976db862271db5a7b01298211913b5fa901ddb965

Download Submit
C:\Users\Admin\AppData\Local\Temp\udpconmain.exe

Filesize
496KB

MD5
a7e9dd646b4bad2c5e4f622feec0262a

SHA1
c820b37bdb4b7466ac7d7acb3f5e9fb7b40b1e8f

SHA256
55e4c8c2853a7840f64cec0e2e90d9fcafc22320428c8d69093ff081254be20c

SHA512
95138941f672c8cf09a97c8ec89ef4e64d8fb483ef1890d1e79f5334453e44df16cc426eb17c3c0ba726e3148075fd7bc40cfdcf90fc5f0cb0ababc8f74f1497

Download Submit
C:\Users\Admin\AppData\Local\Temp\unzip.exe

Filesize
164KB

MD5
75375c22c72f1beb76bea39c22a1ed68

SHA1
e1652b058195db3f5f754b7ab430652ae04a50b8

SHA256
8d9b5190aace52a1db1ac73a65ee9999c329157c8e88f61a772433323d6b7a4a

SHA512
1b396e78e189185eefb8c6058aa7e6dfe1b8f2dff8babfe4ffbee93805467bf45760eea6efb8d9bb2040d0eaa56841d457b1976dcfe13ed67931ade01419f55a

Download Submit
memory/3376-28-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/3376-11-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/3376-12-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/3376-9-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/3376-7-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/4048-2-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4048-10-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4048-4-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4492-48-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4492-36-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4696-43-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/4696-45-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/4696-44-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/4696-77-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/4696-81-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download