e06c719999058b6eb01a0fee87a3baa7a543521e98390f00bbd1aa8129a7d522

Analysis

max time kernel
97s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-09-2024 10:53

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General

Target

efa30cffbcb6f1ef76a52df64f1fcde7_JaffaCakes118.exe
Size

769KB
MD5

efa30cffbcb6f1ef76a52df64f1fcde7
SHA1

fb6bb500fecee67baf2494faac26151f0d92d453
SHA256

e06c719999058b6eb01a0fee87a3baa7a543521e98390f00bbd1aa8129a7d522
SHA512

2c4ac69e29384edb14a3620f3084ba8f97b28cb8fc1f7395a67361557ec38d50655ab10fa0d7a927fe3df280a271343a2dc0b8d56639645b71a71a443a5a26b6
SSDEEP

24576:5MrldBZ+ycjx6r4tlXTFKfpXvZRRdmPo2S3:5MrlfZroLeXvmPoB

Score

7^/10

discovery evasion

Malware Config

Signatures

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	efa30cffbcb6f1ef76a52df64f1fcde7_JaffaCakes118.exe

Executes dropped EXE 3 IoCs

pid	Process
384	Skype Flooder v3.0.exe
2000	Skype.exe
4620	Skype.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Wine	Skype.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Wine	Skype.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 3 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	efa30cffbcb6f1ef76a52df64f1fcde7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Skype Flooder v3.0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Skype.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
384	Skype Flooder v3.0.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4404 wrote to memory of 384	4404	efa30cffbcb6f1ef76a52df64f1fcde7_JaffaCakes118.exe	81
PID 4404 wrote to memory of 384	4404	efa30cffbcb6f1ef76a52df64f1fcde7_JaffaCakes118.exe	81
PID 4404 wrote to memory of 384	4404	efa30cffbcb6f1ef76a52df64f1fcde7_JaffaCakes118.exe	81
PID 4404 wrote to memory of 2000	4404	efa30cffbcb6f1ef76a52df64f1fcde7_JaffaCakes118.exe	82
PID 4404 wrote to memory of 2000	4404	efa30cffbcb6f1ef76a52df64f1fcde7_JaffaCakes118.exe	82
PID 4404 wrote to memory of 2000	4404	efa30cffbcb6f1ef76a52df64f1fcde7_JaffaCakes118.exe	82
PID 384 wrote to memory of 4620	384	Skype Flooder v3.0.exe	83
PID 384 wrote to memory of 4620	384	Skype Flooder v3.0.exe	83
PID 384 wrote to memory of 4620	384	Skype Flooder v3.0.exe	83

C:\Users\Admin\AppData\Local\Temp\efa30cffbcb6f1ef76a52df64f1fcde7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\efa30cffbcb6f1ef76a52df64f1fcde7_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4404
- C:\Users\Admin\AppData\Local\Temp\Skype Flooder v3.0.exe
  "C:\Users\Admin\AppData\Local\Temp\Skype Flooder v3.0.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:384
- - C:\Users\Admin\AppData\Local\Temp\Skype.exe
    C:\Users\Admin\AppData\Local\Temp\Skype Flooder v3.0.exe
    3⤵
    - Executes dropped EXE
    - Identifies Wine through registry keys
    PID:4620
- C:\Users\Admin\AppData\Local\Temp\Skype.exe
  "C:\Users\Admin\AppData\Local\Temp\Skype.exe"
  2⤵
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - System Location Discovery: System Language Discovery
  PID:2000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Skype Flooder v3.0.exe

Filesize
288KB

MD5
866163b557e519b493cb5bd08c76c306

SHA1
752495387fe55c2ac583d7b7c914f4bd2d566b45

SHA256
a200e105e3029925089f217ad60ffab789b3f0b446d3014e59dee29f5c6a6dae

SHA512
9feac03b8a398ef004b49760f7651a0a6443bc1ec1c7467fd8a2df4f8fc077d6fc464d981958942f8f0e308fff840d1230092c5b5f50b78eb22389d1cc4ceed7

Download Submit
C:\Users\Admin\AppData\Local\Temp\Skype.exe

Filesize
854KB

MD5
b7f31116ac382b7664e3b9b987d8a991

SHA1
c2daf6b78a621374e00d7750137a6454ecd8e5f3

SHA256
e9c524d0ef86384d91ebf81fc0107a649d8d4f747734206ff19337cae38fddad

SHA512
d02c17811e2357a2a2dc212f0f9b96f7af1aa98d0bdacf79bd3c946ff2bdc3a41af5915530910f773942b06b923759d7c53d2e3880924ab5bf0ccc2e2e122150

Download Submit
memory/2000-19-0x0000000000400000-0x0000000000502000-memory.dmp

Filesize
1.0MB

Download
memory/2000-24-0x0000000000400000-0x0000000000502000-memory.dmp

Filesize
1.0MB

Download
memory/4620-25-0x0000000000400000-0x0000000000502000-memory.dmp

Filesize
1.0MB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads