d685d94417eb08db45f8c8a55d251fa2ffd29b76c85715fba6d072ddf5837134

General

Target

efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe
Size

221KB
MD5

efa497ff9ba6832c9372612a7068c61d
SHA1

a4cf74a22a0e765b9f4d9d3b7ab2bba6036be3e5
SHA256

d685d94417eb08db45f8c8a55d251fa2ffd29b76c85715fba6d072ddf5837134
SHA512

f8ca205bc4eb6e7ce58a63118530855c8526318731c70cbfeddb42d3807b2a981996accbb42b3f97f375b7207c36820ddc6dc0f94003903ac93ee267ea8656a1
SSDEEP

3072:0pO+fIbtl2FnCmj3cpYL9vyThhekT+2k/ZkGt2eWXEVXSDq9I6hvqAeiLEIX:mOXZ/maLekeZ/t2eWUViDqKceiDX

Score

10^/10

discovery evasion persistence upx

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 12 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\SXC = "C:\\Windows\\Sxc\\svchost.exe:*:Enabled:ArmageddoN"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\SXC = "C:\\Windows\\Sxc\\svchost.exe:*:Enabled:ArmageddoN"	svchost.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\SXC = "C:\\Windows\\Sxc\\svchost.exe:*:Enabled:ArmageddoN"	efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\SXC = "C:\\Windows\\Sxc\\svchost.exe:*:Enabled:ArmageddoN"	efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	svchost.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	svchost.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\SXC = "C:\\Windows\\Sxc\\svchost.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\SXC = "C:\\Windows\\Sxc\\svchost.exe"	efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2012	svchost.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3672-0-0x0000000000400000-0x0000000000437000-memory.dmp	upx
behavioral2/files/0x0008000000023453-1.dat	upx
behavioral2/memory/3672-3-0x0000000000400000-0x0000000000437000-memory.dmp	upx
behavioral2/memory/2012-4-0x0000000000400000-0x0000000000437000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Sxc\svchost.exe	efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe
File opened for modification	C:\Windows\Sxc\	efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe

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 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	efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3672	efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3672 wrote to memory of 2012	3672	efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe	82
PID 3672 wrote to memory of 2012	3672	efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe	82
PID 3672 wrote to memory of 2012	3672	efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe"
1⤵
- Modifies firewall policy service
- Adds policy Run key to start application
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3672
- C:\Windows\Sxc\svchost.exe
  "C:\Windows\Sxc\svchost.exe"
  2⤵
  - Modifies firewall policy service
  - Adds policy Run key to start application
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2012

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

Query Registry

1

T1012

System Information Discovery

2

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:\Windows\Sxc\svchost.exe

Filesize
221KB

MD5
efa497ff9ba6832c9372612a7068c61d

SHA1
a4cf74a22a0e765b9f4d9d3b7ab2bba6036be3e5

SHA256
d685d94417eb08db45f8c8a55d251fa2ffd29b76c85715fba6d072ddf5837134

SHA512
f8ca205bc4eb6e7ce58a63118530855c8526318731c70cbfeddb42d3807b2a981996accbb42b3f97f375b7207c36820ddc6dc0f94003903ac93ee267ea8656a1

Download Submit
memory/2012-4-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3672-0-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3672-3-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads