50582c489f8c3ea28734dc26744eb6faa758e51a2c6d25d60412c20f2b040cc5

Analysis

max time kernel
94s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/08/2024, 18:36

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General

Target

c96432ae07371e4e4611af37db941dcd_JaffaCakes118.exe
Size

105KB
MD5

c96432ae07371e4e4611af37db941dcd
SHA1

c05746baf04951491128300108e423051924f319
SHA256

50582c489f8c3ea28734dc26744eb6faa758e51a2c6d25d60412c20f2b040cc5
SHA512

7dc2c56a148fc04488909fa3d00627a494a5ead3c78c8b470b125e1904790c6c4dd4ac16f041fa0ff7f25d0d2b4b98a722f8d74e3c7d0b8473b0a8819fb96b45
SSDEEP

1536:fjeJLBHOnJMUQcaDHs7x0iTh9ej0pT3XG5PZX2CrcaqnV:fjS90ecabuxjTmAtYZX2CYH

Score

8^/10

discovery persistence

Malware Config

Signatures

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Drivers\aec.sys	c96432ae07371e4e4611af37db941dcd_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\Drivers\aec.sys	20255.exe

Executes dropped EXE 1 IoCs

pid	Process
2756	20255.exe

Loads dropped DLL 1 IoCs

pid	Process
2756	20255.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\x3 = " "	20255.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\x3 = "c:\\windows\\system32\\shellext\\svchost.exe"	20255.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\xiaoxiao_sls.sls	20255.exe
File opened for modification	\??\c:\windows\SysWOW64\shellext\svchost.exe	20255.exe
File created	\??\c:\windows\SysWOW64\shellext\svchost.exe	20255.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4680	2756	WerFault.exe	90

System Location Discovery: System Language Discovery 1 TTPs 2 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	c96432ae07371e4e4611af37db941dcd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	20255.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	20255.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 2756	2860	c96432ae07371e4e4611af37db941dcd_JaffaCakes118.exe	90
PID 2860 wrote to memory of 2756	2860	c96432ae07371e4e4611af37db941dcd_JaffaCakes118.exe	90
PID 2860 wrote to memory of 2756	2860	c96432ae07371e4e4611af37db941dcd_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\c96432ae07371e4e4611af37db941dcd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c96432ae07371e4e4611af37db941dcd_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Users\Admin\AppData\Local\Temp\20255.exe
  C:\Users\Admin\AppData\Local\Temp\20255.exe
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2756
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 400
    3⤵
    - Program crash
    PID:4680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2756 -ip 2756
1⤵
PID:2572

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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

C:\Users\Admin\AppData\Local\Temp\20255.exe

Filesize
299KB

MD5
ac9b708778a625263517df2b0a9588b5

SHA1
30373ca1e75ad4062c7accb95cf2e95090229f40

SHA256
553a3773ab04876b7c3bb691159d343520dee1a206f831af0f65d82bd5d8775a

SHA512
6fb1bcffee53c76c38e5f22038d7e2e41a181974214ca0463a21f45836a17f7eacdd2cfdb644fe123f9b7bef63ea47524a15819dcf206a12d4064c45e719617d

Download Submit
C:\Windows\SysWOW64\xiaoxiao_sls.sls

Filesize
208KB

MD5
917b9e105c4e1554a0bb3d44f49dddae

SHA1
8065e670fa3ec9282df9ad44267cdfa6406c94d5

SHA256
b0c5eafb89154c8c6977f036c1130e453cee22493e472d728a71c4c2e8790677

SHA512
d48175b47b7bc51a6334be59ff9361b381815c300a4daee3f72a1e03fc94cd1d354c0b8e22ae528e741dd75539091d9e5993a57e7173eaae8aba89988853ff84

Download Submit
memory/2860-0-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2860-10-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads