f48d1cac66fc906a2b30920d70b23a117655f399aa97906c12362a61cc77b710

General

Target

941d7e4b8e4b1d748e9882615d2d20ca_JaffaCakes118.exe
Size

447KB
MD5

941d7e4b8e4b1d748e9882615d2d20ca
SHA1

2a9f3c5346ab6c8d35566a892da0d85c317c1591
SHA256

f48d1cac66fc906a2b30920d70b23a117655f399aa97906c12362a61cc77b710
SHA512

443f86b0d4a3212ec380a3bab1eb6ba1f93fcc8b1560c650ea8726fed30ea9585f0a11b326fe278d893e7b51adb45822a94f4b4f3adae3a0306d7cc30a04523a
SSDEEP

12288:WAxrsbjl1Qrc+Fn58qD0uVkSWr0q4bTLEcJTGR4i53S:Zxeg7D30IbWQTLEcJXK

Score

8^/10

discovery evasion persistence

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

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	941d7e4b8e4b1d748e9882615d2d20ca_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
656	YMPXRXjVhBlnS.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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YMPXRXjVhBlnS.exe = "C:\\ProgramData\\YMPXRXjVhBlnS.exe"	941d7e4b8e4b1d748e9882615d2d20ca_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	941d7e4b8e4b1d748e9882615d2d20ca_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	YMPXRXjVhBlnS.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	941d7e4b8e4b1d748e9882615d2d20ca_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\Download	941d7e4b8e4b1d748e9882615d2d20ca_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
3828	941d7e4b8e4b1d748e9882615d2d20ca_JaffaCakes118.exe
3828	941d7e4b8e4b1d748e9882615d2d20ca_JaffaCakes118.exe
3828	941d7e4b8e4b1d748e9882615d2d20ca_JaffaCakes118.exe
3828	941d7e4b8e4b1d748e9882615d2d20ca_JaffaCakes118.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe
656	YMPXRXjVhBlnS.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3828	941d7e4b8e4b1d748e9882615d2d20ca_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3828 wrote to memory of 656	3828	941d7e4b8e4b1d748e9882615d2d20ca_JaffaCakes118.exe	84
PID 3828 wrote to memory of 656	3828	941d7e4b8e4b1d748e9882615d2d20ca_JaffaCakes118.exe	84
PID 3828 wrote to memory of 656	3828	941d7e4b8e4b1d748e9882615d2d20ca_JaffaCakes118.exe	84
PID 656 wrote to memory of 3452	656	YMPXRXjVhBlnS.exe	56
PID 656 wrote to memory of 3452	656	YMPXRXjVhBlnS.exe	56
PID 656 wrote to memory of 3452	656	YMPXRXjVhBlnS.exe	56
PID 656 wrote to memory of 3452	656	YMPXRXjVhBlnS.exe	56
PID 656 wrote to memory of 3452	656	YMPXRXjVhBlnS.exe	56
PID 656 wrote to memory of 3452	656	YMPXRXjVhBlnS.exe	56
PID 656 wrote to memory of 3452	656	YMPXRXjVhBlnS.exe	56
PID 656 wrote to memory of 3452	656	YMPXRXjVhBlnS.exe	56
PID 656 wrote to memory of 3452	656	YMPXRXjVhBlnS.exe	56
PID 656 wrote to memory of 3452	656	YMPXRXjVhBlnS.exe	56

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	941d7e4b8e4b1d748e9882615d2d20ca_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1"	941d7e4b8e4b1d748e9882615d2d20ca_JaffaCakes118.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3452
- C:\Users\Admin\AppData\Local\Temp\941d7e4b8e4b1d748e9882615d2d20ca_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\941d7e4b8e4b1d748e9882615d2d20ca_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:3828
- - C:\ProgramData\YMPXRXjVhBlnS.exe
    "C:\ProgramData\YMPXRXjVhBlnS.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:656

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

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

3

T1112

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:\ProgramData\DTjrJfkJIrSnn.dll

Filesize
412KB

MD5
1875852304c53ad7b03fb8d9fae8b3f2

SHA1
23f07d969ed6a3f9200ad0e5b86375cb9f389a5a

SHA256
a78c9dd088b1f18ca73adc30fed7b50ab5e7cabb0353895b1d381f02176dca8a

SHA512
a30c5570b0210c4cc0bb7310b0f76afc850b4c5edf9b44aa344235934c9a949b425a93da59571b768f8a85b86b91578f859d2860e5643dcf8df08953e17d7cfb

Download Submit
C:\ProgramData\YMPXRXjVhBlnS.exe

Filesize
447KB

MD5
941d7e4b8e4b1d748e9882615d2d20ca

SHA1
2a9f3c5346ab6c8d35566a892da0d85c317c1591

SHA256
f48d1cac66fc906a2b30920d70b23a117655f399aa97906c12362a61cc77b710

SHA512
443f86b0d4a3212ec380a3bab1eb6ba1f93fcc8b1560c650ea8726fed30ea9585f0a11b326fe278d893e7b51adb45822a94f4b4f3adae3a0306d7cc30a04523a

Download Submit
memory/656-15-0x0000000014000000-0x0000000014144000-memory.dmp

Filesize
1.3MB

Download
memory/656-13-0x0000000014000000-0x0000000014144000-memory.dmp

Filesize
1.3MB

Download
memory/3828-0-0x0000000000850000-0x00000000008BE000-memory.dmp

Filesize
440KB

Download
memory/3828-1-0x0000000014000000-0x0000000014073000-memory.dmp

Filesize
460KB

Download
memory/3828-17-0x0000000014000000-0x0000000014073000-memory.dmp

Filesize
460KB

Download
memory/3828-16-0x0000000014000000-0x0000000014144000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads