eb43035b49f871547343655754fc84af36c519deef8d57d650ab0a203013e1f4

Analysis

max time kernel
149s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 01:36

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General

Target

0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe
Size

446KB
MD5

0847131e3c0b10cb86932d8fbd8de8c8
SHA1

3fbd528d14e9fe373e6081579a8b6ec4a6b57716
SHA256

eb43035b49f871547343655754fc84af36c519deef8d57d650ab0a203013e1f4
SHA512

12af6bfcf0981040f0c73b7bbbba8ba470a5b741eb986b092708e825509a918ac6c3011d407e402749295793e46c2f464b4f9c09c9cb50ea6aed7c4666c30095
SSDEEP

6144:kpUP3aUlHxCfu0PdTCLJ3QsyWrdgk6nbUuEuqg7UP/1SaWRmv:g8xCfvdT83QNIzwvqg7UP/8a

Score

8^/10

discovery evasion persistence upx

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

Executes dropped EXE 1 IoCs

pid	Process
2788	JekAggiWWHG.exe

Loads dropped DLL 2 IoCs

pid	Process
2648	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe
2648	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe

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\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\JekAggiWWHG = "C:\\ProgramData\\JekAggiWWHG.exe"	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	JekAggiWWHG.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	JekAggiWWHG.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2788-12-0x0000000000600000-0x0000000000676000-memory.dmp	upx

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	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JekAggiWWHG.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Download	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2648	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe
2788	JekAggiWWHG.exe
2648	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe
2788	JekAggiWWHG.exe
2648	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe
2788	JekAggiWWHG.exe
2648	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe
2788	JekAggiWWHG.exe
2648	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe
2788	JekAggiWWHG.exe
2648	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe
2788	JekAggiWWHG.exe
2648	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe
2788	JekAggiWWHG.exe
2648	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe
2788	JekAggiWWHG.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2648	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2788	2648	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2788	2648	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2788	2648	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2788	2648	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe	30

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1"	0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0847131e3c0b10cb86932d8fbd8de8c8_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2648
- C:\ProgramData\JekAggiWWHG.exe
  "C:\ProgramData\JekAggiWWHG.exe"
  2⤵
  - Executes dropped EXE
  - Maps connected drives based on registry
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2788

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\ProgramData\JekAggiWWHG.exe

Filesize
446KB

MD5
0847131e3c0b10cb86932d8fbd8de8c8

SHA1
3fbd528d14e9fe373e6081579a8b6ec4a6b57716

SHA256
eb43035b49f871547343655754fc84af36c519deef8d57d650ab0a203013e1f4

SHA512
12af6bfcf0981040f0c73b7bbbba8ba470a5b741eb986b092708e825509a918ac6c3011d407e402749295793e46c2f464b4f9c09c9cb50ea6aed7c4666c30095

Download Submit
memory/2648-0-0x0000000000410000-0x000000000046B000-memory.dmp

Filesize
364KB

Download
memory/2648-3-0x0000000000600000-0x0000000000676000-memory.dmp

Filesize
472KB

Download
memory/2648-2-0x0000000000655000-0x000000000066E000-memory.dmp

Filesize
100KB

Download
memory/2648-13-0x0000000000410000-0x000000000046B000-memory.dmp

Filesize
364KB

Download
memory/2788-12-0x0000000000600000-0x0000000000676000-memory.dmp

Filesize
472KB

Download