metasploit | 37ef26d17a636105fe06911c54cedfb08ccafbc1e6fe4a2d8814f7400143b48b

Analysis

max time kernel
141s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2025, 19:48

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General

Target

JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe
Size

152KB
MD5

8a0120fc394173bbcb015e12a7ba49d5
SHA1

2e1414c6d1f5856deeaaf6c2836f0dc1ca307dc7
SHA256

37ef26d17a636105fe06911c54cedfb08ccafbc1e6fe4a2d8814f7400143b48b
SHA512

c68f25523984756d0b5a31c74a7e47ae5491a2cec68045fe0c09a8191aea517ae5f7dbaab8cf3c2b2a4126d8952e1f7daed558814b25caed8f72d29260b40ee4
SSDEEP

3072:6t4ctBhUa6yvcBTZmC0Z4OJhuvniuniNUu7Vtyav:wvKFYZOidUu7byav

Score

10^/10

metasploit backdoor discovery trojan upx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit
Metasploit family
metasploit

Checks computer location settings 2 TTPs 5 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-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	wmpktc32.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	wmpktc32.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	wmpktc32.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	wmpktc32.exe

Deletes itself 1 IoCs

pid	Process
3412	wmpktc32.exe

Executes dropped EXE 9 IoCs

pid	Process
5984	wmpktc32.exe
3412	wmpktc32.exe
3404	wmpktc32.exe
3916	wmpktc32.exe
3236	wmpktc32.exe
5792	wmpktc32.exe
5188	wmpktc32.exe
3684	wmpktc32.exe
2152	wmpktc32.exe

Maps connected drives based on registry 3 TTPs 10 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpktc32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpktc32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpktc32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpktc32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpktc32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpktc32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpktc32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpktc32.exe

Drops file in System32 directory 15 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wmpktc32.exe	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe
File opened for modification	C:\Windows\SysWOW64\	wmpktc32.exe
File created	C:\Windows\SysWOW64\wmpktc32.exe	wmpktc32.exe
File opened for modification	C:\Windows\SysWOW64\wmpktc32.exe	wmpktc32.exe
File opened for modification	C:\Windows\SysWOW64\wmpktc32.exe	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe
File opened for modification	C:\Windows\SysWOW64\	wmpktc32.exe
File created	C:\Windows\SysWOW64\wmpktc32.exe	wmpktc32.exe
File opened for modification	C:\Windows\SysWOW64\	wmpktc32.exe
File created	C:\Windows\SysWOW64\wmpktc32.exe	wmpktc32.exe
File opened for modification	C:\Windows\SysWOW64\wmpktc32.exe	wmpktc32.exe
File created	C:\Windows\SysWOW64\wmpktc32.exe	wmpktc32.exe
File opened for modification	C:\Windows\SysWOW64\	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe
File opened for modification	C:\Windows\SysWOW64\	wmpktc32.exe
File opened for modification	C:\Windows\SysWOW64\wmpktc32.exe	wmpktc32.exe
File opened for modification	C:\Windows\SysWOW64\wmpktc32.exe	wmpktc32.exe

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 5488 set thread context of 2272	5488	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe	96
PID 5984 set thread context of 3412	5984	wmpktc32.exe	106
PID 3404 set thread context of 3916	3404	wmpktc32.exe	109
PID 3236 set thread context of 5792	3236	wmpktc32.exe	111
PID 5188 set thread context of 3684	5188	wmpktc32.exe	113

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2272-0-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/2272-2-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/2272-3-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/2272-4-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/2272-31-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/2272-41-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/3412-45-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/3412-46-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/3412-47-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/3412-48-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/3412-53-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/3916-61-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/5792-69-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/3684-77-0x0000000000400000-0x0000000000456000-memory.dmp	upx

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 10 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	wmpktc32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpktc32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpktc32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpktc32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpktc32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpktc32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpktc32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpktc32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	wmpktc32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	wmpktc32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	wmpktc32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	wmpktc32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2272	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe
2272	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe
2272	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe
2272	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe
3412	wmpktc32.exe
3412	wmpktc32.exe
3412	wmpktc32.exe
3412	wmpktc32.exe
3916	wmpktc32.exe
3916	wmpktc32.exe
3916	wmpktc32.exe
3916	wmpktc32.exe
5792	wmpktc32.exe
5792	wmpktc32.exe
5792	wmpktc32.exe
5792	wmpktc32.exe
3684	wmpktc32.exe
3684	wmpktc32.exe
3684	wmpktc32.exe
3684	wmpktc32.exe

Suspicious use of WriteProcessMemory 50 IoCs

description	pid	Process	procid_target
PID 5488 wrote to memory of 2272	5488	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe	96
PID 5488 wrote to memory of 2272	5488	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe	96
PID 5488 wrote to memory of 2272	5488	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe	96
PID 5488 wrote to memory of 2272	5488	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe	96
PID 5488 wrote to memory of 2272	5488	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe	96
PID 5488 wrote to memory of 2272	5488	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe	96
PID 5488 wrote to memory of 2272	5488	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe	96
PID 2272 wrote to memory of 5984	2272	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe	97
PID 2272 wrote to memory of 5984	2272	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe	97
PID 2272 wrote to memory of 5984	2272	JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe	97
PID 5984 wrote to memory of 3412	5984	wmpktc32.exe	106
PID 5984 wrote to memory of 3412	5984	wmpktc32.exe	106
PID 5984 wrote to memory of 3412	5984	wmpktc32.exe	106
PID 5984 wrote to memory of 3412	5984	wmpktc32.exe	106
PID 5984 wrote to memory of 3412	5984	wmpktc32.exe	106
PID 5984 wrote to memory of 3412	5984	wmpktc32.exe	106
PID 5984 wrote to memory of 3412	5984	wmpktc32.exe	106
PID 3412 wrote to memory of 3404	3412	wmpktc32.exe	107
PID 3412 wrote to memory of 3404	3412	wmpktc32.exe	107
PID 3412 wrote to memory of 3404	3412	wmpktc32.exe	107
PID 3404 wrote to memory of 3916	3404	wmpktc32.exe	109
PID 3404 wrote to memory of 3916	3404	wmpktc32.exe	109
PID 3404 wrote to memory of 3916	3404	wmpktc32.exe	109
PID 3404 wrote to memory of 3916	3404	wmpktc32.exe	109
PID 3404 wrote to memory of 3916	3404	wmpktc32.exe	109
PID 3404 wrote to memory of 3916	3404	wmpktc32.exe	109
PID 3404 wrote to memory of 3916	3404	wmpktc32.exe	109
PID 3916 wrote to memory of 3236	3916	wmpktc32.exe	110
PID 3916 wrote to memory of 3236	3916	wmpktc32.exe	110
PID 3916 wrote to memory of 3236	3916	wmpktc32.exe	110
PID 3236 wrote to memory of 5792	3236	wmpktc32.exe	111
PID 3236 wrote to memory of 5792	3236	wmpktc32.exe	111
PID 3236 wrote to memory of 5792	3236	wmpktc32.exe	111
PID 3236 wrote to memory of 5792	3236	wmpktc32.exe	111
PID 3236 wrote to memory of 5792	3236	wmpktc32.exe	111
PID 3236 wrote to memory of 5792	3236	wmpktc32.exe	111
PID 3236 wrote to memory of 5792	3236	wmpktc32.exe	111
PID 5792 wrote to memory of 5188	5792	wmpktc32.exe	112
PID 5792 wrote to memory of 5188	5792	wmpktc32.exe	112
PID 5792 wrote to memory of 5188	5792	wmpktc32.exe	112
PID 5188 wrote to memory of 3684	5188	wmpktc32.exe	113
PID 5188 wrote to memory of 3684	5188	wmpktc32.exe	113
PID 5188 wrote to memory of 3684	5188	wmpktc32.exe	113
PID 5188 wrote to memory of 3684	5188	wmpktc32.exe	113
PID 5188 wrote to memory of 3684	5188	wmpktc32.exe	113
PID 5188 wrote to memory of 3684	5188	wmpktc32.exe	113
PID 5188 wrote to memory of 3684	5188	wmpktc32.exe	113
PID 3684 wrote to memory of 2152	3684	wmpktc32.exe	114
PID 3684 wrote to memory of 2152	3684	wmpktc32.exe	114
PID 3684 wrote to memory of 2152	3684	wmpktc32.exe	114

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5488
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a0120fc394173bbcb015e12a7ba49d5.exe"
  2⤵
  - Checks computer location settings
  - Maps connected drives based on registry
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2272
- - C:\Windows\SysWOW64\wmpktc32.exe
    "C:\Windows\system32\wmpktc32.exe" C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5984
  - - C:\Windows\SysWOW64\wmpktc32.exe
      "C:\Windows\system32\wmpktc32.exe" C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE
      4⤵
      Checks computer location settings
      Deletes itself
      Executes dropped EXE
      Maps connected drives based on registry
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Modifies registry class
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:3412
    - - C:\Windows\SysWOW64\wmpktc32.exe
        
        "C:\Windows\system32\wmpktc32.exe" C:\Windows\SysWOW64\wmpktc32.exe
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3404
      - C:\Windows\SysWOW64\wmpktc32.exe
        
        "C:\Windows\system32\wmpktc32.exe" C:\Windows\SysWOW64\wmpktc32.exe
        6⤵
        Checks computer location settings
        Executes dropped EXE
        Maps connected drives based on registry
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Modifies registry class
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:3916
        
        C:\Windows\SysWOW64\wmpktc32.exe
        
        "C:\Windows\system32\wmpktc32.exe" C:\Windows\SysWOW64\wmpktc32.exe
        7⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3236
        
        C:\Windows\SysWOW64\wmpktc32.exe
        
        "C:\Windows\system32\wmpktc32.exe" C:\Windows\SysWOW64\wmpktc32.exe
        8⤵
        Checks computer location settings
        Executes dropped EXE
        Maps connected drives based on registry
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Modifies registry class
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:5792
        
        C:\Windows\SysWOW64\wmpktc32.exe
        
        "C:\Windows\system32\wmpktc32.exe" C:\Windows\SysWOW64\wmpktc32.exe
        9⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:5188
        
        C:\Windows\SysWOW64\wmpktc32.exe
        
        "C:\Windows\system32\wmpktc32.exe" C:\Windows\SysWOW64\wmpktc32.exe
        10⤵
        Checks computer location settings
        Executes dropped EXE
        Maps connected drives based on registry
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Modifies registry class
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:3684
        
        C:\Windows\SysWOW64\wmpktc32.exe
        
        "C:\Windows\system32\wmpktc32.exe" C:\Windows\SysWOW64\wmpktc32.exe
        11⤵
        Executes dropped EXE
        
        PID:2152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

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:\Windows\SysWOW64\wmpktc32.exe

Filesize
152KB

MD5
8a0120fc394173bbcb015e12a7ba49d5

SHA1
2e1414c6d1f5856deeaaf6c2836f0dc1ca307dc7

SHA256
37ef26d17a636105fe06911c54cedfb08ccafbc1e6fe4a2d8814f7400143b48b

SHA512
c68f25523984756d0b5a31c74a7e47ae5491a2cec68045fe0c09a8191aea517ae5f7dbaab8cf3c2b2a4126d8952e1f7daed558814b25caed8f72d29260b40ee4

Download Submit
memory/2272-41-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2272-3-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2272-4-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2272-2-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2272-31-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2272-0-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3412-46-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3412-45-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3412-47-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3412-48-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3412-53-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3684-77-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3916-61-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/5792-69-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download