6a12a3379a5dd7ecd513993e7fb3d2c4d8ff64f4e879c9dc84e86866b7362238

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28/09/2024, 10:41

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General

Target

fc1f83cc71b05b246c6866138e9e19ec_JaffaCakes118.exe
Size

118KB
MD5

fc1f83cc71b05b246c6866138e9e19ec
SHA1

6c43d2ce3201d52359a6f584c17761c32e807430
SHA256

6a12a3379a5dd7ecd513993e7fb3d2c4d8ff64f4e879c9dc84e86866b7362238
SHA512

a6b9bfd42d635a7481688592c336c6d30f8e7913b84c09799e09e819ef54a6ecca57c4be12041a1ed0a4a53ad4db703980a289ca15ebe4eb2309272fe322ef96
SSDEEP

3072:+4dMdZPdsKUEJ4Zlta/KiG8laQZwN4hDW/pout:+iuZPsA4ZH+KikQa4hDWhoS

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 10 IoCs

pid	Process
4816	vhost.exe
2012	vhost.exe
3848	vhost.exe
1820	vhost.exe
2564	vhost.exe
1732	vhost.exe
4108	vhost.exe
1888	vhost.exe
2996	vhost.exe
4864	vhost.exe

Drops file in System32 directory 22 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vhost.exe	vhost.exe
File created	C:\Windows\SysWOW64\vhost.exe	vhost.exe
File opened for modification	C:\Windows\SysWOW64\vhost.exe	vhost.exe
File created	C:\Windows\SysWOW64\vhost.exe	vhost.exe
File opened for modification	C:\Windows\SysWOW64\vhost.exe	vhost.exe
File created	C:\Windows\SysWOW64\vhost.exe	vhost.exe
File opened for modification	C:\Windows\SysWOW64\vhost.exe	vhost.exe
File created	C:\Windows\SysWOW64\vhost.exe	fc1f83cc71b05b246c6866138e9e19ec_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\vhost.exe	fc1f83cc71b05b246c6866138e9e19ec_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\vhost.exe	vhost.exe
File created	C:\Windows\SysWOW64\vhost.exe	vhost.exe
File opened for modification	C:\Windows\SysWOW64\vhost.exe	vhost.exe
File created	C:\Windows\SysWOW64\vhost.exe	vhost.exe
File opened for modification	C:\Windows\SysWOW64\vhost.exe	vhost.exe
File opened for modification	C:\Windows\SysWOW64\vhost.exe	vhost.exe
File created	C:\Windows\SysWOW64\vhost.exe	vhost.exe
File opened for modification	C:\Windows\SysWOW64\vhost.exe	vhost.exe
File opened for modification	C:\Windows\SysWOW64\vhost.exe	vhost.exe
File created	C:\Windows\SysWOW64\vhost.exe	vhost.exe
File opened for modification	C:\Windows\SysWOW64\vhost.exe	vhost.exe
File created	C:\Windows\SysWOW64\vhost.exe	vhost.exe
File created	C:\Windows\SysWOW64\vhost.exe	vhost.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2368-0-0x0000000000400000-0x00000000004AA000-memory.dmp	upx
behavioral2/files/0x0009000000023457-5.dat	upx
behavioral2/memory/2368-7-0x0000000000400000-0x00000000004AA000-memory.dmp	upx
behavioral2/memory/4816-8-0x0000000000400000-0x00000000004AA000-memory.dmp	upx
behavioral2/memory/2012-11-0x0000000000400000-0x00000000004AA000-memory.dmp	upx
behavioral2/memory/3848-14-0x0000000000400000-0x00000000004AA000-memory.dmp	upx
behavioral2/memory/1820-17-0x0000000000400000-0x00000000004AA000-memory.dmp	upx
behavioral2/memory/2564-20-0x0000000000400000-0x00000000004AA000-memory.dmp	upx
behavioral2/memory/1732-23-0x0000000000400000-0x00000000004AA000-memory.dmp	upx
behavioral2/memory/4108-26-0x0000000000400000-0x00000000004AA000-memory.dmp	upx
behavioral2/memory/1888-29-0x0000000000400000-0x00000000004AA000-memory.dmp	upx
behavioral2/memory/2996-32-0x0000000000400000-0x00000000004AA000-memory.dmp	upx
behavioral2/memory/4864-35-0x0000000000400000-0x00000000004AA000-memory.dmp	upx

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	vhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fc1f83cc71b05b246c6866138e9e19ec_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vhost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 4816	2368	fc1f83cc71b05b246c6866138e9e19ec_JaffaCakes118.exe	82
PID 2368 wrote to memory of 4816	2368	fc1f83cc71b05b246c6866138e9e19ec_JaffaCakes118.exe	82
PID 2368 wrote to memory of 4816	2368	fc1f83cc71b05b246c6866138e9e19ec_JaffaCakes118.exe	82
PID 4816 wrote to memory of 2012	4816	vhost.exe	88
PID 4816 wrote to memory of 2012	4816	vhost.exe	88
PID 4816 wrote to memory of 2012	4816	vhost.exe	88
PID 2012 wrote to memory of 3848	2012	vhost.exe	92
PID 2012 wrote to memory of 3848	2012	vhost.exe	92
PID 2012 wrote to memory of 3848	2012	vhost.exe	92
PID 3848 wrote to memory of 1820	3848	vhost.exe	94
PID 3848 wrote to memory of 1820	3848	vhost.exe	94
PID 3848 wrote to memory of 1820	3848	vhost.exe	94
PID 1820 wrote to memory of 2564	1820	vhost.exe	95
PID 1820 wrote to memory of 2564	1820	vhost.exe	95
PID 1820 wrote to memory of 2564	1820	vhost.exe	95
PID 2564 wrote to memory of 1732	2564	vhost.exe	96
PID 2564 wrote to memory of 1732	2564	vhost.exe	96
PID 2564 wrote to memory of 1732	2564	vhost.exe	96
PID 1732 wrote to memory of 4108	1732	vhost.exe	97
PID 1732 wrote to memory of 4108	1732	vhost.exe	97
PID 1732 wrote to memory of 4108	1732	vhost.exe	97
PID 4108 wrote to memory of 1888	4108	vhost.exe	98
PID 4108 wrote to memory of 1888	4108	vhost.exe	98
PID 4108 wrote to memory of 1888	4108	vhost.exe	98
PID 1888 wrote to memory of 2996	1888	vhost.exe	99
PID 1888 wrote to memory of 2996	1888	vhost.exe	99
PID 1888 wrote to memory of 2996	1888	vhost.exe	99
PID 2996 wrote to memory of 4864	2996	vhost.exe	100
PID 2996 wrote to memory of 4864	2996	vhost.exe	100
PID 2996 wrote to memory of 4864	2996	vhost.exe	100

C:\Users\Admin\AppData\Local\Temp\fc1f83cc71b05b246c6866138e9e19ec_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc1f83cc71b05b246c6866138e9e19ec_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\SysWOW64\vhost.exe
  C:\Windows\system32\vhost.exe 1084 "C:\Users\Admin\AppData\Local\Temp\fc1f83cc71b05b246c6866138e9e19ec_JaffaCakes118.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4816
- - C:\Windows\SysWOW64\vhost.exe
    C:\Windows\system32\vhost.exe 1164 "C:\Windows\SysWOW64\vhost.exe"
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2012
  - - C:\Windows\SysWOW64\vhost.exe
      C:\Windows\system32\vhost.exe 1136 "C:\Windows\SysWOW64\vhost.exe"
      4⤵
      Executes dropped EXE
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3848
    - - C:\Windows\SysWOW64\vhost.exe
        
        C:\Windows\system32\vhost.exe 1132 "C:\Windows\SysWOW64\vhost.exe"
        5⤵
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1820
      - C:\Windows\SysWOW64\vhost.exe
        
        C:\Windows\system32\vhost.exe 1144 "C:\Windows\SysWOW64\vhost.exe"
        6⤵
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2564
        
        C:\Windows\SysWOW64\vhost.exe
        
        C:\Windows\system32\vhost.exe 1128 "C:\Windows\SysWOW64\vhost.exe"
        7⤵
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1732
        
        C:\Windows\SysWOW64\vhost.exe
        
        C:\Windows\system32\vhost.exe 1152 "C:\Windows\SysWOW64\vhost.exe"
        8⤵
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4108
        
        C:\Windows\SysWOW64\vhost.exe
        
        C:\Windows\system32\vhost.exe 1156 "C:\Windows\SysWOW64\vhost.exe"
        9⤵
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1888
        
        C:\Windows\SysWOW64\vhost.exe
        
        C:\Windows\system32\vhost.exe 1140 "C:\Windows\SysWOW64\vhost.exe"
        10⤵
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2996
        
        C:\Windows\SysWOW64\vhost.exe
        
        C:\Windows\system32\vhost.exe 1168 "C:\Windows\SysWOW64\vhost.exe"
        11⤵
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        
        PID:4864

Network

MITRE ATT&CK Enterprise v15

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

Replay Monitor

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Downloads

C:\Windows\SysWOW64\vhost.exe

Filesize
118KB

MD5
fc1f83cc71b05b246c6866138e9e19ec

SHA1
6c43d2ce3201d52359a6f584c17761c32e807430

SHA256
6a12a3379a5dd7ecd513993e7fb3d2c4d8ff64f4e879c9dc84e86866b7362238

SHA512
a6b9bfd42d635a7481688592c336c6d30f8e7913b84c09799e09e819ef54a6ecca57c4be12041a1ed0a4a53ad4db703980a289ca15ebe4eb2309272fe322ef96

Download Submit
memory/1732-23-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/1820-17-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/1888-29-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/2012-11-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/2368-7-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/2368-0-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/2564-20-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/2996-32-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/3848-14-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/4108-26-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/4816-8-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/4864-35-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download