9505d638bcf08341b06d9ecc14979285d5cfa0099c95ed5798943714ce01ca63

Analysis

max time kernel
143s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/09/2024, 05:07

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe
Size

256KB
MD5

ece5858c70983dd9d652a0a1de80743e
SHA1

0eae8ab45f599b92a9e418650fda9fbac094b6c8
SHA256

9505d638bcf08341b06d9ecc14979285d5cfa0099c95ed5798943714ce01ca63
SHA512

66b7f46205ea6c4100e35913c5ab0957d6e3dbb4e90b0f211f5d0e94b09b0dc3ab7472d5a9327d8865c38472f5825ad1d1bf9cfb01a59aaef203522bff22bd7e
SSDEEP

3072:4vvCbVjE/ZZevZR7hm4wsX523PK9gSxbyZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ2:bzThm4wC523i/TTHUkjHxw/Y

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\Microsoft Windows Hosting Service = "C:\\Users\\Admin\\AppData\\Local\\Temp\\csrss.exe"	csrss.exe

Deletes itself 1 IoCs

pid	Process
2840	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2836	csrss.exe
2540	csrss.exe

Loads dropped DLL 3 IoCs

pid	Process
2732	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe
2732	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe
2836	csrss.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\Microsoft Windows Hosting Service = "C:\\Users\\Admin\\AppData\\Local\\Temp\\csrss.exe"	csrss.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Hosting Service = "C:\\Users\\Admin\\AppData\\Local\\Temp\\csrss.exe"	csrss.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Microsoft Windows Firewall Service = "C:\\Users\\Admin\\AppData\\Local\\Temp\\csrss.exe"	csrss.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2288 set thread context of 2732	2288	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe	30
PID 2836 set thread context of 2540	2836	csrss.exe	34

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2288	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe
2836	csrss.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 2732	2288	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe	30
PID 2288 wrote to memory of 2732	2288	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe	30
PID 2288 wrote to memory of 2732	2288	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe	30
PID 2288 wrote to memory of 2732	2288	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe	30
PID 2288 wrote to memory of 2732	2288	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe	30
PID 2288 wrote to memory of 2732	2288	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe	30
PID 2288 wrote to memory of 2732	2288	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe	30
PID 2288 wrote to memory of 2732	2288	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe	30
PID 2288 wrote to memory of 2732	2288	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe	30
PID 2288 wrote to memory of 2732	2288	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe	30
PID 2288 wrote to memory of 2732	2288	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe	30
PID 2732 wrote to memory of 2840	2732	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe	31
PID 2732 wrote to memory of 2840	2732	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe	31
PID 2732 wrote to memory of 2840	2732	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe	31
PID 2732 wrote to memory of 2840	2732	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe	31
PID 2732 wrote to memory of 2836	2732	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe	33
PID 2732 wrote to memory of 2836	2732	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe	33
PID 2732 wrote to memory of 2836	2732	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe	33
PID 2732 wrote to memory of 2836	2732	ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe	33
PID 2836 wrote to memory of 2540	2836	csrss.exe	34
PID 2836 wrote to memory of 2540	2836	csrss.exe	34
PID 2836 wrote to memory of 2540	2836	csrss.exe	34
PID 2836 wrote to memory of 2540	2836	csrss.exe	34
PID 2836 wrote to memory of 2540	2836	csrss.exe	34
PID 2836 wrote to memory of 2540	2836	csrss.exe	34
PID 2836 wrote to memory of 2540	2836	csrss.exe	34
PID 2836 wrote to memory of 2540	2836	csrss.exe	34
PID 2836 wrote to memory of 2540	2836	csrss.exe	34
PID 2836 wrote to memory of 2540	2836	csrss.exe	34
PID 2836 wrote to memory of 2540	2836	csrss.exe	34

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Associations\LowRiskFileTypes = ".exe"	csrss.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Associations	csrss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Associations\DefaultFileTypeRisk = "808464432"	csrss.exe

C:\Users\Admin\AppData\Local\Temp\ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Users\Admin\AppData\Local\Temp\ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2732
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\rm.bat" C:\Users\Admin\AppData\Local\Temp\ece5858c70983dd9d652a0a1de80743e_JaffaCakes118.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2840
- - C:\Users\Admin\AppData\Local\Temp\csrss.exe
    "C:\Users\Admin\AppData\Local\Temp\csrss.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2836
  - - C:\Users\Admin\AppData\Local\Temp\csrss.exe
      "C:\Users\Admin\AppData\Local\Temp\csrss.exe"
      4⤵
      Modifies firewall policy service
      Executes dropped EXE
      Adds Run key to start application
      Modifies WinLogon
      System policy modification
      PID:2540

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

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\rm.bat

Filesize
243B

MD5
51a5a023b38ea11bbbdce87eef7e63c2

SHA1
0d71001ece8a8efdecf1c957f009e4324a170063

SHA256
f3434d49b5114ab593be0cd3d3a9af962d00616a9368fd25129fcbea32a5d602

SHA512
bd63eb9e0d449611a5785f08a71e577669e6370b0f16fa678289841a07c30097f269e02eae7f3d761dafcc0fa58cc22433e9edfb56159f1dbd48e217f98335ec

Download Submit
\Users\Admin\AppData\Local\Temp\csrss.exe

Filesize
256KB

MD5
ece5858c70983dd9d652a0a1de80743e

SHA1
0eae8ab45f599b92a9e418650fda9fbac094b6c8

SHA256
9505d638bcf08341b06d9ecc14979285d5cfa0099c95ed5798943714ce01ca63

SHA512
66b7f46205ea6c4100e35913c5ab0957d6e3dbb4e90b0f211f5d0e94b09b0dc3ab7472d5a9327d8865c38472f5825ad1d1bf9cfb01a59aaef203522bff22bd7e

Download Submit
memory/2288-2-0x000000000043A000-0x000000000043C000-memory.dmp

Filesize
8KB

Download
memory/2288-3-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2288-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2288-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2540-43-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2732-7-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2732-11-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2732-9-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2732-32-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads