fd588282850828a5a47bc77c67c2b8e1cf30f1e3c58ea3275b464e717e0602a2

Analysis

max time kernel
149s
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
21/08/2024, 09:02

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General

Target
b2dd8ab87a06c804aeb905e824453d31_JaffaCakes118.exe
Size 355KB
Sample240821-kztekatelj
SHA256 fd588282850828a5a47bc77c67c2b8e1cf30f1e3c58ea3275b464e717e0602a2
MD5 b2dd8ab87a06c804aeb905e824453d31
SHA1 3ec41cff9b146dc66e52f010251430e80dc81a74
SHA512 8350ac1b1b041c8fe626e37c1549aaa6fd899b83804e0b401407b309fe412ea03674d4eb3af78b08949d34711192c0fdb56f45c3e8de0798ea0bdc788f12817c
SSDEEP 6144:1IRGZr7LD4QP5EiQ1EABZ3shlgJ7Br6/SjG6WK1+aqpbtVXWz3ePdZv2:1IRGZr7NQ1PzJZ6/SjbW5pbtVGGk
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

discovery persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\crelog.exe = "c:\\windows\\syswow64\\crelog.exe"	b2dd8ab87a06c804aeb905e824453d31_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	\??\c:\windows\SysWOW64\txwizard.bat	b2dd8ab87a06c804aeb905e824453d31_JaffaCakes118.exe
File created	\??\c:\windows\SysWOW64\crelog.exe	b2dd8ab87a06c804aeb905e824453d31_JaffaCakes118.exe
File opened for modification	\??\c:\windows\SysWOW64\crelog.exe	b2dd8ab87a06c804aeb905e824453d31_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b2dd8ab87a06c804aeb905e824453d31_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2856	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2856	PING.EXE

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2212	b2dd8ab87a06c804aeb905e824453d31_JaffaCakes118.exe
2212	b2dd8ab87a06c804aeb905e824453d31_JaffaCakes118.exe
2212	b2dd8ab87a06c804aeb905e824453d31_JaffaCakes118.exe
2212	b2dd8ab87a06c804aeb905e824453d31_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 1764	2212	b2dd8ab87a06c804aeb905e824453d31_JaffaCakes118.exe	93
PID 2212 wrote to memory of 1764	2212	b2dd8ab87a06c804aeb905e824453d31_JaffaCakes118.exe	93
PID 2212 wrote to memory of 1764	2212	b2dd8ab87a06c804aeb905e824453d31_JaffaCakes118.exe	93
PID 1764 wrote to memory of 2856	1764	cmd.exe	95
PID 1764 wrote to memory of 2856	1764	cmd.exe	95
PID 1764 wrote to memory of 2856	1764	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\b2dd8ab87a06c804aeb905e824453d31_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b2dd8ab87a06c804aeb905e824453d31_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c c:\windows\syswow64\txwizard.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1764
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 3600
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2856

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

Remote System Discovery

T1018

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

txwizard.bat

Path \??\c:\windows\SysWOW64\txwizard.bat
Size 105B
SHA256 85369fd0d9109dd2de661d48817b8db347bec9eb6fb97605681dcb5a05c08952
MD5 0536c7a9aaa24bb45d034b89611ebebf
SHA1 7374ac37942b790dd49b6c4f3b44727723862c05
SHA512 f5846fa4af27bb81b1468894d88b6beba611c7c8b895ed5bae97562a059d116c0d8fef2f682d244fe884ef65e2a3a772b659f03c4390b1d657efdcc0ac7f0af3
MD5 SHA1 SHA512

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads