ccb6b5d240349db832910326c06e5199a093853222f2419275fc2368cee6bde7

General

Target

9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe
Size

88KB
MD5

9f05e85994fb10053e78b1e7ac522e99
SHA1

acb3b6f737bf79308bb791d044116e3804539f0f
SHA256

ccb6b5d240349db832910326c06e5199a093853222f2419275fc2368cee6bde7
SHA512

2e6df67c33fcd9976861b981b708d7c42d56eb9e2566efe41b5066a4f17cab0efd4dee8c4785ac5b354707130f130977dd8a1ae8c2fd2533195cfe64b5340f1b
SSDEEP

1536:nw3YT90CV/DmUU8gUrnAmMTYf3KpUoP+9aXX7A2IYzUGMD+pRR5GgEARUxq:bT9LpmSrokf3W7AdYzbMIHRQq

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 7 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

Processes:

msiexec.exesvchost.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\authorizedapplications\list	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\authorizedapplications\list\C:\Windows\SysWOW64\msiexec.exe = "C:\\Windows\\SysWOW64\\msiexec.exe:*:Generic Host Process"	msiexec.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\sharedaccess\parameters\firewallpolicy\standardprofile\authorizedapplications\list	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\authorizedapplications\list\C:\Windows\SysWOW64\svchost.exe = "C:\\Windows\\SysWOW64\\svchost.exe:*:Generic Host Process"	svchost.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\sharedaccess\parameters\firewallpolicy\standardprofile\authorizedapplications\list	msiexec.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\standardprofile	msiexec.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\authorizedapplications	msiexec.exe

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\34793 = "c:\\progra~3\\dxnxka.exe"	msiexec.exe

Deletes itself 1 IoCs

Processes:

msiexec.exe

pid	Process
4992	msiexec.exe

Executes dropped EXE 2 IoCs

Processes:

dxnxka.exedxnxka.exe

pid	Process
4024	dxnxka.exe
2116	dxnxka.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exedxnxka.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum	dxnxka.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	dxnxka.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum	9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exedxnxka.exe

description	pid	Process	procid_target
PID 4828 set thread context of 392	4828	9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe	88
PID 4024 set thread context of 2116	4024	dxnxka.exe	96

Drops file in Program Files directory 1 IoCs

Processes:

msiexec.exe

description	ioc	Process
File created	\??\c:\progra~3\dxnxka.exe	msiexec.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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

Processes:

svchost.exe9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exemsiexec.exedxnxka.exedxnxka.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dxnxka.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dxnxka.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exedxnxka.exe

pid	Process
392	9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe
392	9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe
2116	dxnxka.exe
2116	dxnxka.exe

Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exedxnxka.exe

pid	Process
392	9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe
392	9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe
2116	dxnxka.exe
2116	dxnxka.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exemsiexec.exedxnxka.exedxnxka.exe

description	pid	Process	procid_target
PID 4828 wrote to memory of 392	4828	9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe	88
PID 4828 wrote to memory of 392	4828	9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe	88
PID 4828 wrote to memory of 392	4828	9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe	88
PID 4828 wrote to memory of 392	4828	9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe	88
PID 4828 wrote to memory of 392	4828	9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe	88
PID 4828 wrote to memory of 392	4828	9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe	88
PID 392 wrote to memory of 4992	392	9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe	89
PID 392 wrote to memory of 4992	392	9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe	89
PID 392 wrote to memory of 4992	392	9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe	89
PID 4992 wrote to memory of 4024	4992	msiexec.exe	90
PID 4992 wrote to memory of 4024	4992	msiexec.exe	90
PID 4992 wrote to memory of 4024	4992	msiexec.exe	90
PID 4024 wrote to memory of 2116	4024	dxnxka.exe	96
PID 4024 wrote to memory of 2116	4024	dxnxka.exe	96
PID 4024 wrote to memory of 2116	4024	dxnxka.exe	96
PID 4024 wrote to memory of 2116	4024	dxnxka.exe	96
PID 4024 wrote to memory of 2116	4024	dxnxka.exe	96
PID 4024 wrote to memory of 2116	4024	dxnxka.exe	96
PID 2116 wrote to memory of 3192	2116	dxnxka.exe	97
PID 2116 wrote to memory of 3192	2116	dxnxka.exe	97
PID 2116 wrote to memory of 3192	2116	dxnxka.exe	97

C:\Users\Admin\AppData\Local\Temp\9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4828
- C:\Users\Admin\AppData\Local\Temp\9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\9f05e85994fb10053e78b1e7ac522e99_JaffaCakes118.exe"
  2⤵
  - Maps connected drives based on registry
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:392
- - C:\Windows\SysWOW64\msiexec.exe
    C:\Windows\SysWOW64\msiexec.exe
    3⤵
    - Modifies firewall policy service
    - Adds policy Run key to start application
    - Deletes itself
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4992
  - - \??\c:\progra~3\dxnxka.exe
      c:\progra~3\dxnxka.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4024
    - - \??\c:\progra~3\dxnxka.exe
        
        c:\progra~3\dxnxka.exe
        5⤵
        Executes dropped EXE
        Maps connected drives based on registry
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:2116
      - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\SysWOW64\svchost.exe
        6⤵
        Modifies firewall policy service
        System Location Discovery: System Language Discovery
        
        PID:3192

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\dxnxka.exe

Filesize
88KB

MD5
9f05e85994fb10053e78b1e7ac522e99

SHA1
acb3b6f737bf79308bb791d044116e3804539f0f

SHA256
ccb6b5d240349db832910326c06e5199a093853222f2419275fc2368cee6bde7

SHA512
2e6df67c33fcd9976861b981b708d7c42d56eb9e2566efe41b5066a4f17cab0efd4dee8c4785ac5b354707130f130977dd8a1ae8c2fd2533195cfe64b5340f1b

Download Submit
memory/392-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/392-3-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/392-0-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2116-27-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3192-37-0x000000007F300000-0x000000007F306000-memory.dmp

Filesize
24KB

Download
memory/3192-34-0x000000007F300000-0x000000007F306000-memory.dmp

Filesize
24KB

Download
memory/3192-32-0x0000000000740000-0x000000000074E000-memory.dmp

Filesize
56KB

Download
memory/3192-30-0x0000000000740000-0x000000000074E000-memory.dmp

Filesize
56KB

Download
memory/4992-10-0x0000000000A80000-0x0000000000A92000-memory.dmp

Filesize
72KB

Download
memory/4992-18-0x000000007FA70000-0x000000007FA76000-memory.dmp

Filesize
24KB

Download
memory/4992-14-0x000000007FA70000-0x000000007FA76000-memory.dmp

Filesize
24KB

Download
memory/4992-12-0x000000007FA70000-0x000000007FA76000-memory.dmp

Filesize
24KB

Download
memory/4992-13-0x000000007FA60000-0x000000007FA61000-memory.dmp

Filesize
4KB

Download
memory/4992-8-0x0000000000A80000-0x0000000000A92000-memory.dmp

Filesize
72KB

Download
memory/4992-33-0x000000007FA70000-0x000000007FA76000-memory.dmp

Filesize
24KB

Download
memory/4992-11-0x0000000000770000-0x0000000000776000-memory.dmp

Filesize
24KB

Download
memory/4992-5-0x0000000000A80000-0x0000000000A92000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads