dd0587855815b14a43f160a782d2f501a79401d5603510b0746ca400c500408e

Analysis

max time kernel
148s
max time network
127s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
15/10/2026, 12:07

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General

Target
jaffacakes118_Backdoor.Win32.Rbot.gen.exe
Size 90KB
Sample261015-pamb6stvbw
SHA256 dd0587855815b14a43f160a782d2f501a79401d5603510b0746ca400c500408e
MD5 5bca8784333954c7eb6e48fc8e948677
SHA1 f4b5eacd7c8c7fddbc006b4d8647e34efae7b7b6
SHA512 ce6c847329e32a174387784635aad6ef3ff64f0824261483dfae0558ede5a8ba7697890bd4495d68b79bb64fa127675d7beb5ebb8a38940980311d0a9d27ca8b
SSDEEP 1536:6WEiBIWzNB/MVR23Vmec8RH3bsKQbTM941/SOdD6KeyhB1ffD4/7Dlyfn6:6WJzoVOVM8RXbnQbTM9mSOJ6KeyhBJEp
TLSH
T15A9302F9A510EA64CFBD3C7756F38EEA8319A3DBC30989DCF49451485ABCD426323445
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 10 IoCs

pid	Process
2648	wuanclt.exe
3548	wuanclt.exe
4128	wuanclt.exe
5100	wuanclt.exe
548	wuanclt.exe
4240	wuanclt.exe
5396	wuanclt.exe
1324	wuanclt.exe
3940	wuanclt.exe
2784	wuanclt.exe

Drops file in System32 directory 22 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\wuanclt.exe	wuanclt.exe
File created	C:\Windows\SysWOW64\wuanclt.exe	wuanclt.exe
File opened for modification	C:\Windows\SysWOW64\wuanclt.exe	jaffacakes118_Backdoor.Win32.Rbot.gen.exe
File created	C:\Windows\SysWOW64\wuanclt.exe	wuanclt.exe
File opened for modification	C:\Windows\SysWOW64\wuanclt.exe	wuanclt.exe
File opened for modification	C:\Windows\SysWOW64\wuanclt.exe	wuanclt.exe
File opened for modification	C:\Windows\SysWOW64\wuanclt.exe	wuanclt.exe
File created	C:\Windows\SysWOW64\wuanclt.exe	wuanclt.exe
File created	C:\Windows\SysWOW64\wuanclt.exe	jaffacakes118_Backdoor.Win32.Rbot.gen.exe
File opened for modification	C:\Windows\SysWOW64\wuanclt.exe	wuanclt.exe
File created	C:\Windows\SysWOW64\wuanclt.exe	wuanclt.exe
File opened for modification	C:\Windows\SysWOW64\wuanclt.exe	wuanclt.exe
File created	C:\Windows\SysWOW64\wuanclt.exe	wuanclt.exe
File opened for modification	C:\Windows\SysWOW64\wuanclt.exe	wuanclt.exe
File created	C:\Windows\SysWOW64\wuanclt.exe	wuanclt.exe
File created	C:\Windows\SysWOW64\wuanclt.exe	wuanclt.exe
File opened for modification	C:\Windows\SysWOW64\wuanclt.exe	wuanclt.exe
File created	C:\Windows\SysWOW64\wuanclt.exe	wuanclt.exe
File created	C:\Windows\SysWOW64\wuanclt.exe	wuanclt.exe
File opened for modification	C:\Windows\SysWOW64\wuanclt.exe	wuanclt.exe
File opened for modification	C:\Windows\SysWOW64\wuanclt.exe	wuanclt.exe
File created	C:\Windows\SysWOW64\wuanclt.exe	wuanclt.exe

System Location Discovery: System Language Discovery 1 TTPs 11 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	jaffacakes118_Backdoor.Win32.Rbot.gen.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuanclt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuanclt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuanclt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuanclt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuanclt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuanclt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuanclt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuanclt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuanclt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuanclt.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4552 wrote to memory of 2648	4552	jaffacakes118_Backdoor.Win32.Rbot.gen.exe	89
PID 2648 wrote to memory of 3548	2648	wuanclt.exe	90
PID 3548 wrote to memory of 4128	3548	wuanclt.exe	92
PID 4128 wrote to memory of 5100	4128	wuanclt.exe	93
PID 5100 wrote to memory of 548	5100	wuanclt.exe	94
PID 548 wrote to memory of 4240	548	wuanclt.exe	95
PID 4240 wrote to memory of 5396	4240	wuanclt.exe	96
PID 5396 wrote to memory of 1324	5396	wuanclt.exe	97
PID 1324 wrote to memory of 3940	1324	wuanclt.exe	98
PID 3940 wrote to memory of 2784	3940	wuanclt.exe	99

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Rbot.gen.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Rbot.gen.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4552
- C:\Windows\SysWOW64\wuanclt.exe
  C:\Windows\system32\wuanclt.exe 1088 "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Rbot.gen.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Windows\SysWOW64\wuanclt.exe
    C:\Windows\system32\wuanclt.exe 1252 "C:\Windows\SysWOW64\wuanclt.exe"
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3548
  - - C:\Windows\SysWOW64\wuanclt.exe
      C:\Windows\system32\wuanclt.exe 1216 "C:\Windows\SysWOW64\wuanclt.exe"
      4⤵
      Executes dropped EXE
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4128
    - - C:\Windows\SysWOW64\wuanclt.exe
        
        C:\Windows\system32\wuanclt.exe 1220 "C:\Windows\SysWOW64\wuanclt.exe"
        5⤵
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:5100
      - C:\Windows\SysWOW64\wuanclt.exe
        
        C:\Windows\system32\wuanclt.exe 1224 "C:\Windows\SysWOW64\wuanclt.exe"
        6⤵
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:548
        
        C:\Windows\SysWOW64\wuanclt.exe
        
        C:\Windows\system32\wuanclt.exe 1232 "C:\Windows\SysWOW64\wuanclt.exe"
        7⤵
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4240
        
        C:\Windows\SysWOW64\wuanclt.exe
        
        C:\Windows\system32\wuanclt.exe 1228 "C:\Windows\SysWOW64\wuanclt.exe"
        8⤵
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:5396
        
        C:\Windows\SysWOW64\wuanclt.exe
        
        C:\Windows\system32\wuanclt.exe 1244 "C:\Windows\SysWOW64\wuanclt.exe"
        9⤵
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1324
        
        C:\Windows\SysWOW64\wuanclt.exe
        
        C:\Windows\system32\wuanclt.exe 1188 "C:\Windows\SysWOW64\wuanclt.exe"
        10⤵
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3940
        
        C:\Windows\SysWOW64\wuanclt.exe
        
        C:\Windows\system32\wuanclt.exe 1196 "C:\Windows\SysWOW64\wuanclt.exe"
        11⤵
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        
        PID:2784

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

wuanclt.exe

Path C:\Windows\SysWOW64\wuanclt.exe
Size 90KB
SHA256 dd0587855815b14a43f160a782d2f501a79401d5603510b0746ca400c500408e
MD5 5bca8784333954c7eb6e48fc8e948677
SHA1 f4b5eacd7c8c7fddbc006b4d8647e34efae7b7b6
SHA512 ce6c847329e32a174387784635aad6ef3ff64f0824261483dfae0558ede5a8ba7697890bd4495d68b79bb64fa127675d7beb5ebb8a38940980311d0a9d27ca8b
SSDEEP 1536:6WEiBIWzNB/MVR23Vmec8RH3bsKQbTM941/SOdD6KeyhB1ffD4/7Dlyfn6:6WJzoVOVM8RXbnQbTM9mSOJ6KeyhBJEp
TLSH
T15A9302F9A510EA64CFBD3C7756F38EEA8319A3DBC30989DCF49451485ABCD426323445
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/548-19-0x0000000000400000-0x00000000004CC000-memory.dmp

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memory/1324-28-0x0000000000400000-0x00000000004CC000-memory.dmp

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memory/2648-2-0x00000000005D0000-0x00000000005D1000-memory.dmp

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memory/2648-5-0x00000000005D0000-0x00000000005D1000-memory.dmp

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memory/2648-4-0x0000000000400000-0x00000000004CC000-memory.dmp

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memory/2784-34-0x0000000000400000-0x00000000004CC000-memory.dmp

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memory/3548-7-0x0000000000600000-0x0000000000601000-memory.dmp

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memory/3548-9-0x0000000000400000-0x00000000004CC000-memory.dmp

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memory/3940-31-0x0000000000400000-0x00000000004CC000-memory.dmp

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memory/4128-11-0x0000000000620000-0x0000000000621000-memory.dmp

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memory/4128-13-0x0000000000400000-0x00000000004CC000-memory.dmp

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memory/4240-22-0x0000000000400000-0x00000000004CC000-memory.dmp

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memory/4552-0-0x0000000000610000-0x0000000000611000-memory.dmp

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memory/4552-3-0x0000000000400000-0x00000000004CC000-memory.dmp

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memory/5100-16-0x0000000000400000-0x00000000004CC000-memory.dmp

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memory/5396-25-0x0000000000400000-0x00000000004CC000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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