asyncrat | 347586f7facf4ef5fcb456f6589d65cb3167a7fa4379740ff03b2c861d8cf364

Resubmissions

21-12-2024 16:23

241221-tvtn7ssrdp 10

21-12-2024 16:22

241221-tvmkwsspfz 10

Analysis

max time kernel
138s
max time network
153s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 16:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

gggg.exe
Size

52KB
MD5

fb6d592ff07d0e26a291b3e78c1ce139
SHA1

e5e82e613372b0795f8347ac643e954f0c514df2
SHA256

347586f7facf4ef5fcb456f6589d65cb3167a7fa4379740ff03b2c861d8cf364
SHA512

5db5797fcb1a6c2cbd2e2f4aaf2a5fd47f693116583596292531b73a36eabc8517ee7bc1d8cb5a999f45a5ca91152f0b3a810ec00ce35c8283f02d1c5e287779
SSDEEP

1536:2uu91TwSb2nth5csqQXb6HoTUdHN0QdH/:2uuDTwSb2tQsqwb6I4dtl9/

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

127.0.0.1:8808

10.59.25.45:8808

Mutex

KxaqMLMZrN62

Attributes

delay
3
install
true
install_file
Maple.exe
install_folder
%AppData%

aes.plain

Signatures

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

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral1/files/0x0009000000012238-13.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2368	Maple.exe

Loads dropped DLL 1 IoCs

pid	Process
828	cmd.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 6 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Maple.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gggg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2896	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2892	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2580	gggg.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2580	gggg.exe
Token: SeDebugPrivilege	2368	Maple.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 2964	2580	gggg.exe	29
PID 2580 wrote to memory of 2964	2580	gggg.exe	29
PID 2580 wrote to memory of 2964	2580	gggg.exe	29
PID 2580 wrote to memory of 2964	2580	gggg.exe	29
PID 2580 wrote to memory of 828	2580	gggg.exe	31
PID 2580 wrote to memory of 828	2580	gggg.exe	31
PID 2580 wrote to memory of 828	2580	gggg.exe	31
PID 2580 wrote to memory of 828	2580	gggg.exe	31
PID 828 wrote to memory of 2896	828	cmd.exe	34
PID 828 wrote to memory of 2896	828	cmd.exe	34
PID 828 wrote to memory of 2896	828	cmd.exe	34
PID 828 wrote to memory of 2896	828	cmd.exe	34
PID 2964 wrote to memory of 2892	2964	cmd.exe	33
PID 2964 wrote to memory of 2892	2964	cmd.exe	33
PID 2964 wrote to memory of 2892	2964	cmd.exe	33
PID 2964 wrote to memory of 2892	2964	cmd.exe	33
PID 828 wrote to memory of 2368	828	cmd.exe	35
PID 828 wrote to memory of 2368	828	cmd.exe	35
PID 828 wrote to memory of 2368	828	cmd.exe	35
PID 828 wrote to memory of 2368	828	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\gggg.exe
"C:\Users\Admin\AppData\Local\Temp\gggg.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Maple" /tr '"C:\Users\Admin\AppData\Roaming\Maple.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2964
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "Maple" /tr '"C:\Users\Admin\AppData\Roaming\Maple.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2892
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp8AD2.tmp.bat""
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:828
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2896
- - C:\Users\Admin\AppData\Roaming\Maple.exe
    "C:\Users\Admin\AppData\Roaming\Maple.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8AD2.tmp.bat

Filesize
149B

MD5
1a777911c7f1e681bb2f3b1f12366802

SHA1
6407b97a50346cc3173a984eb2234d70abd1a6ea

SHA256
17207ac85801780f3dcf65915c5e8361cd5fca85ab79d7b394895810debe66e3

SHA512
3c8ae147fb6deb799396a3732204d89cfac26b435157af65d25bee1482913c6851ae56687a8d0207404bff038659863baf973cc48c4b774d226930bd0ddaf70a

Download Submit
\Users\Admin\AppData\Roaming\Maple.exe

Filesize
52KB

MD5
fb6d592ff07d0e26a291b3e78c1ce139

SHA1
e5e82e613372b0795f8347ac643e954f0c514df2

SHA256
347586f7facf4ef5fcb456f6589d65cb3167a7fa4379740ff03b2c861d8cf364

SHA512
5db5797fcb1a6c2cbd2e2f4aaf2a5fd47f693116583596292531b73a36eabc8517ee7bc1d8cb5a999f45a5ca91152f0b3a810ec00ce35c8283f02d1c5e287779

Download Submit
memory/2368-16-0x0000000001110000-0x0000000001122000-memory.dmp

Filesize
72KB

Download
memory/2580-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/2580-1-0x0000000000CC0000-0x0000000000CD2000-memory.dmp

Filesize
72KB

Download
memory/2580-2-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2580-12-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download