asyncrat | 0e05714577948291d4d194ea8ddf6f8cc12dcdd31f01ba2195c0c4afb952cef6

General

Target

0e05714577948291d4d194ea8ddf6f8cc12dcdd31f01ba2195c0c4afb952cef6.exe
Size

73KB
MD5

4e6a72392f01ffb3bae293a6c4b955d1
SHA1

ab6910a9f4482e8409e35be2953cd8b26385927c
SHA256

0e05714577948291d4d194ea8ddf6f8cc12dcdd31f01ba2195c0c4afb952cef6
SHA512

24c5894443c641876c4969ab1e56e7833f09f0984e296a9a5dcc6f26138d9d22daf90f9c6fcd3f7114f1754656d42d1560965047b3353c40ac21f3d016a79a5c
SSDEEP

1536:IU9ccx4y3lCl6PMVy1aievkWIKH1bI/91LgsQzcX3VclN:IU+cx4yVy6PMVgazbH1bIVxgsQilY

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

Mutex

xpjcrciguzejg

Attributes

delay
1
install
true
install_file
WIN64.exe
install_folder
%AppData%
pastebin_config
https://pastebin.com/raw/WPTghhr7

aes.plain

Signatures

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

VenomRAT 3 IoCs

Detects VenomRAT.

rat

Processes:

resource	yara_rule
behavioral1/memory/1732-1-0x0000000001080000-0x0000000001096000-memory.dmp	VenomRAT
behavioral1/files/0x0009000000015ce6-15.dat	VenomRAT
behavioral1/memory/936-19-0x0000000000BC0000-0x0000000000BD6000-memory.dmp	VenomRAT

Executes dropped EXE 1 IoCs

Processes:

WIN64.exe

pid	Process
936	WIN64.exe

Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid	Process
2140	cmd.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

Processes:

flow	ioc
4	pastebin.com
5	pastebin.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

Processes:

timeout.exe

pid	Process
1656	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

Processes:

schtasks.exe

pid	Process
2256	schtasks.exe

Suspicious behavior: EnumeratesProcesses 51 IoCs

Processes:

0e05714577948291d4d194ea8ddf6f8cc12dcdd31f01ba2195c0c4afb952cef6.exeWIN64.exe

pid	Process
1732	0e05714577948291d4d194ea8ddf6f8cc12dcdd31f01ba2195c0c4afb952cef6.exe
1732	0e05714577948291d4d194ea8ddf6f8cc12dcdd31f01ba2195c0c4afb952cef6.exe
1732	0e05714577948291d4d194ea8ddf6f8cc12dcdd31f01ba2195c0c4afb952cef6.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe
936	WIN64.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

0e05714577948291d4d194ea8ddf6f8cc12dcdd31f01ba2195c0c4afb952cef6.exeWIN64.exe

description	pid	Process
Token: SeDebugPrivilege	1732	0e05714577948291d4d194ea8ddf6f8cc12dcdd31f01ba2195c0c4afb952cef6.exe
Token: SeDebugPrivilege	936	WIN64.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

WIN64.exe

pid	Process
936	WIN64.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

0e05714577948291d4d194ea8ddf6f8cc12dcdd31f01ba2195c0c4afb952cef6.execmd.execmd.exe

description	pid	Process	procid_target
PID 1732 wrote to memory of 2424	1732	0e05714577948291d4d194ea8ddf6f8cc12dcdd31f01ba2195c0c4afb952cef6.exe	30
PID 1732 wrote to memory of 2424	1732	0e05714577948291d4d194ea8ddf6f8cc12dcdd31f01ba2195c0c4afb952cef6.exe	30
PID 1732 wrote to memory of 2424	1732	0e05714577948291d4d194ea8ddf6f8cc12dcdd31f01ba2195c0c4afb952cef6.exe	30
PID 1732 wrote to memory of 2140	1732	0e05714577948291d4d194ea8ddf6f8cc12dcdd31f01ba2195c0c4afb952cef6.exe	32
PID 1732 wrote to memory of 2140	1732	0e05714577948291d4d194ea8ddf6f8cc12dcdd31f01ba2195c0c4afb952cef6.exe	32
PID 1732 wrote to memory of 2140	1732	0e05714577948291d4d194ea8ddf6f8cc12dcdd31f01ba2195c0c4afb952cef6.exe	32
PID 2424 wrote to memory of 2256	2424	cmd.exe	34
PID 2424 wrote to memory of 2256	2424	cmd.exe	34
PID 2424 wrote to memory of 2256	2424	cmd.exe	34
PID 2140 wrote to memory of 1656	2140	cmd.exe	35
PID 2140 wrote to memory of 1656	2140	cmd.exe	35
PID 2140 wrote to memory of 1656	2140	cmd.exe	35
PID 2140 wrote to memory of 936	2140	cmd.exe	36
PID 2140 wrote to memory of 936	2140	cmd.exe	36
PID 2140 wrote to memory of 936	2140	cmd.exe	36

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\0e05714577948291d4d194ea8ddf6f8cc12dcdd31f01ba2195c0c4afb952cef6.exe
"C:\Users\Admin\AppData\Local\Temp\0e05714577948291d4d194ea8ddf6f8cc12dcdd31f01ba2195c0c4afb952cef6.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "WIN64" /tr '"C:\Users\Admin\AppData\Roaming\WIN64.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2424
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "WIN64" /tr '"C:\Users\Admin\AppData\Roaming\WIN64.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2256
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpD440.tmp.bat""
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2140
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:1656
- - C:\Users\Admin\AppData\Roaming\WIN64.exe
    "C:\Users\Admin\AppData\Roaming\WIN64.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD440.tmp.bat

Filesize
149B

MD5
ebce843370580c98cfdf0a29353b5dd7

SHA1
3653ea4fbbb9a5b04efee0a55e7269198b110c5b

SHA256
a923069fc5949c9846fb12e9ee77efc417466247350cd7a9154654464bc13b10

SHA512
c0b9dedd8e96bd3597be98d2d25e156fa40eae803697f714bcfffb06dafd74521faef9dde414c82d862d07ce0ff7d9307229eada383312386f0cdd5357596790

Download Submit
C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf

Filesize
8B

MD5
cf759e4c5f14fe3eec41b87ed756cea8

SHA1
c27c796bb3c2fac929359563676f4ba1ffada1f5

SHA256
c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

SHA512
c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

Download Submit
\Users\Admin\AppData\Roaming\WIN64.exe

Filesize
73KB

MD5
4e6a72392f01ffb3bae293a6c4b955d1

SHA1
ab6910a9f4482e8409e35be2953cd8b26385927c

SHA256
0e05714577948291d4d194ea8ddf6f8cc12dcdd31f01ba2195c0c4afb952cef6

SHA512
24c5894443c641876c4969ab1e56e7833f09f0984e296a9a5dcc6f26138d9d22daf90f9c6fcd3f7114f1754656d42d1560965047b3353c40ac21f3d016a79a5c

Download Submit
memory/936-19-0x0000000000BC0000-0x0000000000BD6000-memory.dmp

Filesize
88KB

Download
memory/1732-0-0x000007FEF5F53000-0x000007FEF5F54000-memory.dmp

Filesize
4KB

Download
memory/1732-1-0x0000000001080000-0x0000000001096000-memory.dmp

Filesize
88KB

Download
memory/1732-3-0x000007FEF5F50000-0x000007FEF693C000-memory.dmp

Filesize
9.9MB

Download
memory/1732-11-0x000007FEF5F50000-0x000007FEF693C000-memory.dmp

Filesize
9.9MB

Download
memory/1732-14-0x000007FEF5F50000-0x000007FEF693C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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