1818b1d5dfe20074745e0ae145c6f0effd36d47cd801a542db671c9d818a1f5e

Analysis

max time kernel
21s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
09-07-2024 00:08

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General

Target

2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe
Size

752KB
MD5

2e525fd12fa205bfcf3e31a2e8cc4a33
SHA1

bde0774c70287f199e6e648a273c17d54c6d3c51
SHA256

1818b1d5dfe20074745e0ae145c6f0effd36d47cd801a542db671c9d818a1f5e
SHA512

10548a293d75c3fe61d0cfe7155f4ae758ebbe3c31f6a4dd6537b211053c55266f9921b933a95084e6a7e9d2bb02354de39ddee09fe8e10ee53c38bc492dd1ad
SSDEEP

12288:N//76GGDtNFp7PTzvHq1NNfr2RInBZqpzUF4AnjZnMei/SFfdYTQq5BeXBWV:x/vGDt9TzvHqH5pqtURjZnli5kAwRWV

Score

10^/10

evasion

Malware Config

Signatures

Modifies security service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	regedit.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4"	regedit.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\rundll32.exe	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\rundll32.exe	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B9245DC5-5679-A46C-7AC6-BA5AF2C3121E}\InprocServer32	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B9245DC5-5679-A46C-7AC6-BA5AF2C3121E}\InprocServer32\ = "%SystemRoot%\\SysWow64\\AuxiliaryDisplayApi.dll"	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B9245DC5-5679-A46C-7AC6-BA5AF2C3121E}\InprocServer32\ThreadingModel = "Both"	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B9245DC5-5679-A46C-7AC6-BA5AF2C3121E}	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B9245DC5-5679-A46C-7AC6-BA5AF2C3121E}\ = "PSFactoryBuffer"	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe

NTFS ADS 2 IoCs

description	ioc	Process
File created	C:\ProgramData\TEMP:CF0907B4	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe
File opened for modification	C:\ProgramData\TEMP:CF0907B4	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe

Runs .reg file with regedit 1 IoCs

pid	Process
2020	regedit.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	2160	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2160	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe
Token: 33	2160	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2160	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 1512 wrote to memory of 2160	1512	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2160	1512	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2160	1512	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2160	1512	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2160	1512	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2160	1512	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2160	1512	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2160	1512	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2160	1512	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2160	1512	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2160	1512	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2160	1512	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2160	1512	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2160	1512	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2160	1512	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2160	1512	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2160	1512	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2160	1512	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2160	1512	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2160	1512	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	30
PID 2160 wrote to memory of 2840	2160	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	31
PID 2160 wrote to memory of 2840	2160	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	31
PID 2160 wrote to memory of 2840	2160	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	31
PID 2160 wrote to memory of 2840	2160	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	31
PID 1512 wrote to memory of 2160	1512	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	30
PID 1512 wrote to memory of 2160	1512	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	30
PID 2840 wrote to memory of 2020	2840	cmd.exe	32
PID 2840 wrote to memory of 2020	2840	cmd.exe	32
PID 2840 wrote to memory of 2020	2840	cmd.exe	32
PID 2840 wrote to memory of 2020	2840	cmd.exe	32
PID 2160 wrote to memory of 3020	2160	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	33
PID 2160 wrote to memory of 3020	2160	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	33
PID 2160 wrote to memory of 3020	2160	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	33
PID 2160 wrote to memory of 3020	2160	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	33
PID 2160 wrote to memory of 3020	2160	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	33
PID 2160 wrote to memory of 3020	2160	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	33
PID 2160 wrote to memory of 3020	2160	2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1512
- C:\Users\Admin\AppData\Local\Temp\2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe"
  2⤵
  - Checks BIOS information in registry
  - Drops file in System32 directory
  - Modifies registry class
  - NTFS ADS
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2160
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c c:\a.bat
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2840
  - - C:\Windows\SysWOW64\regedit.exe
      REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
      4⤵
      Modifies security service
      Runs .reg file with regedit
      PID:2020
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe 756 "C:\Users\Admin\AppData\Local\Temp\2e525fd12fa205bfcf3e31a2e8cc4a33_JaffaCakes118.exe"
    3⤵
    PID:3020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\1.reg

Filesize
3KB

MD5
9e5db93bd3302c217b15561d8f1e299d

SHA1
95a5579b336d16213909beda75589fd0a2091f30

SHA256
f360fb5740172b6b4dd59c1ac30b480511665ae991196f833167e275d91f943e

SHA512
b5547e5047a3c43397ee846ff9d5979cba45ba44671db5c5df5536d9dc26262e27a8645a08e0cf35960a3601dc0f6f5fe8d47ae232c9ca44d6899e97d36fb25a

Download Submit
C:\a.bat

Filesize
5KB

MD5
0019a0451cc6b9659762c3e274bc04fb

SHA1
5259e256cc0908f2846e532161b989f1295f479b

SHA256
ce4674afd978d1401596d22a0961f90c8fb53c5bd55649684e1a999c8cf77876

SHA512
314c23ec37cb0cd4443213c019c4541df968447353b422ef6fff1e7ddf6c983c80778787408b7ca9b81e580a6a7f1589ca7f43c022e6fc16182973580ed4d904

Download Submit
memory/1512-1-0x0000000001D80000-0x0000000001F8A000-memory.dmp

Filesize
2.0MB

Download
memory/1512-136-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/1512-0-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2160-2-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2160-13-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2160-8-0x000000000056A000-0x000000000056B000-memory.dmp

Filesize
4KB

Download
memory/2160-17-0x00000000020D0000-0x0000000002164000-memory.dmp

Filesize
592KB

Download
memory/2160-16-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2160-14-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2160-12-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2160-9-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2160-15-0x0000000000400000-0x000000000060A000-memory.dmp

Filesize
2.0MB

Download
memory/2160-133-0x00000000020D0000-0x0000000002164000-memory.dmp

Filesize
592KB

Download
memory/2160-3-0x00000000020D0000-0x0000000002164000-memory.dmp

Filesize
592KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads