asyncrat | 78b456a1aa4a53349336a991a107727c635bdbaa29ea6206964a28b781b19fd7

Analysis

max time kernel
136s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-08-2024 05:58

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General

Target

a9da9c7246874c63c7ffe6eb591b0df2_JaffaCakes118.exe
Size

550KB
MD5

a9da9c7246874c63c7ffe6eb591b0df2
SHA1

074659f935fec38036899d3fa862292f347c732e
SHA256

78b456a1aa4a53349336a991a107727c635bdbaa29ea6206964a28b781b19fd7
SHA512

4ae8db88e5bfec1f6a5008e003e72d21d00467161bd60674055a938a5775c9ee909a269a949713fa9cf2fd9476234a651279f57107ac5ac8f91fd2703607df07
SSDEEP

12288:2ucUSPMxbcHmoOYQhqs2VUlmA0VdYVxK:SU8MxYHTQhqs2T

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

195.174.142.168:4784

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/4244-14-0x0000000005AB0000-0x0000000005AC2000-memory.dmp	family_asyncrat

System Location Discovery: System Language Discovery 1 TTPs 1 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	a9da9c7246874c63c7ffe6eb591b0df2_JaffaCakes118.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\CID\{44005700-5200-5000-3100-540056005A00}	a9da9c7246874c63c7ffe6eb591b0df2_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\CID	a9da9c7246874c63c7ffe6eb591b0df2_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\CID\{44005700-5200-5000-3100-540056005A00}\1 = "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"	a9da9c7246874c63c7ffe6eb591b0df2_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\CID\{61005900-2F00-4600-4F00-390053003900}	a9da9c7246874c63c7ffe6eb591b0df2_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\CID\{61005900-2F00-4600-4F00-390053003900}\1 = "NsDFMuCKvevrVRw8KMDTJPAkg+42OVrP5JEy537wz4PHtCLFPOZ36+/Af7biLdInE5U3Go9j5DO3gEGbSCXmNrlBkwiXyg3Gk19VUJzKimRqOn/KZ2atK/rBkmL6Cb08q7hwpvgUPkjj0oGtvHmu9Eb6tslPcCJTLefgslCw94hmTG5qqlR8m65bB5Rxqqz6"	a9da9c7246874c63c7ffe6eb591b0df2_JaffaCakes118.exe

NTFS ADS 6 IoCs

description	ioc	Process
File created	C:\Users\Admin\Documents\My Music:{61005900-2F00-4600-4F00-390053003900}	a9da9c7246874c63c7ffe6eb591b0df2_JaffaCakes118.exe
File created	C:\PerfLogs:{61005900-2F00-4600-4F00-390053003900}	a9da9c7246874c63c7ffe6eb591b0df2_JaffaCakes118.exe
File created	C:\Users\Admin\AppData\Local\Temp:{44005700-5200-5000-3100-540056005A00}	a9da9c7246874c63c7ffe6eb591b0df2_JaffaCakes118.exe
File created	C:\Users\Admin\Documents\My Music:{44005700-5200-5000-3100-540056005A00}	a9da9c7246874c63c7ffe6eb591b0df2_JaffaCakes118.exe
File created	C:\PerfLogs:{44005700-5200-5000-3100-540056005A00}	a9da9c7246874c63c7ffe6eb591b0df2_JaffaCakes118.exe
File created	C:\Users\Admin\AppData\Local\Temp:{61005900-2F00-4600-4F00-390053003900}	a9da9c7246874c63c7ffe6eb591b0df2_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\a9da9c7246874c63c7ffe6eb591b0df2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a9da9c7246874c63c7ffe6eb591b0df2_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- NTFS ADS
PID:4244

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4244-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/4244-1-0x0000000000D80000-0x0000000000E10000-memory.dmp

Filesize
576KB

Download
memory/4244-2-0x0000000005DF0000-0x0000000006408000-memory.dmp

Filesize
6.1MB

Download
memory/4244-3-0x00000000058D0000-0x0000000005936000-memory.dmp

Filesize
408KB

Download
memory/4244-13-0x00000000065E0000-0x00000000066AE000-memory.dmp

Filesize
824KB

Download
memory/4244-12-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/4244-14-0x0000000005AB0000-0x0000000005AC2000-memory.dmp

Filesize
72KB

Download
memory/4244-15-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/4244-16-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download