asyncrat | 54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4

Analysis

max time kernel
148s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 18:44

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General

Target

54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
Size

74KB
MD5

576589c04e1be32a1bfc12c9a3632e0b
SHA1

77e636cee6dfddbf4bfc51d1c10e4ca11c96384a
SHA256

54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4
SHA512

007340d9d4702ec503e95c57b55c64e11d8b84bb0e2c3d72c2eb11706afe39ce4783d096584801bc554696ef975cf884eaf21a1c0bd0188b1184f548128033b1
SSDEEP

1536:2UvNwcxKHXwzCtmPMVP4ef0qHIFH1bW/WXx9QzcqLVclN:2UvicxK8WmPMVP4ecH1bWu3QbBY

Score

10^/10

asyncrat deneme rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

deneme

127.0.0.1:4449

127.0.0.1:1604

Mutex

gsekihlnjqbrzdniobl

Attributes

delay
1
install
true
install_file
deneme.exe
install_folder
%AppData%

aes.plain

Signatures

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

VenomRAT 2 IoCs

Detects VenomRAT.

rat

resource	yara_rule
behavioral2/memory/4160-1-0x0000000000D80000-0x0000000000D98000-memory.dmp	VenomRAT
behavioral2/files/0x000300000001e3c5-12.dat	VenomRAT

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x000300000001e3c5-12.dat	family_asyncrat

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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe

Executes dropped EXE 1 IoCs

pid	Process
1496	deneme.exe

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

pid	Process
1576	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
4584	schtasks.exe

Suspicious behavior: EnumeratesProcesses 55 IoCs

pid	Process
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe
1496	deneme.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
Token: SeDebugPrivilege	1496	deneme.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1496	deneme.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4160 wrote to memory of 2952	4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe	96
PID 4160 wrote to memory of 2952	4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe	96
PID 4160 wrote to memory of 1664	4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe	97
PID 4160 wrote to memory of 1664	4160	54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe	97
PID 2952 wrote to memory of 4584	2952	cmd.exe	100
PID 2952 wrote to memory of 4584	2952	cmd.exe	100
PID 1664 wrote to memory of 1576	1664	cmd.exe	101
PID 1664 wrote to memory of 1576	1664	cmd.exe	101
PID 1664 wrote to memory of 1496	1664	cmd.exe	104
PID 1664 wrote to memory of 1496	1664	cmd.exe	104

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\54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe
"C:\Users\Admin\AppData\Local\Temp\54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4160
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "deneme" /tr '"C:\Users\Admin\AppData\Roaming\deneme.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2952
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "deneme" /tr '"C:\Users\Admin\AppData\Roaming\deneme.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4584
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4A72.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1664
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:1576
- - C:\Users\Admin\AppData\Roaming\deneme.exe
    "C:\Users\Admin\AppData\Roaming\deneme.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1496

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4344,i,11391966286255097843,10588851088187498028,262144 --variations-seed-version --mojo-platform-channel-handle=3904 /prefetch:8
1⤵
PID:4544

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4A72.tmp.bat

Filesize
150B

MD5
712065e4b230966ee6c6017cbcf81e55

SHA1
392076843f472f1943cdaed45ca5eeeef8e18b14

SHA256
4a25631c590e18185b12abed7a74be7a16d053322787bc8a63d27eb465d7a4b6

SHA512
ffc3ada548f0980408c79fb6c8742c67badf5b57e734bc71519400a48b3bd5611a8b121fbb71da8fdb9d62830ebb77338d5750f8ba8c82d1f205dbd4bd3058f3

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

Filesize
8B

MD5
cf759e4c5f14fe3eec41b87ed756cea8

SHA1
c27c796bb3c2fac929359563676f4ba1ffada1f5

SHA256
c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

SHA512
c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

Download Submit
C:\Users\Admin\AppData\Roaming\deneme.exe

Filesize
74KB

MD5
576589c04e1be32a1bfc12c9a3632e0b

SHA1
77e636cee6dfddbf4bfc51d1c10e4ca11c96384a

SHA256
54c8f9450de555446717778304d80f8897f249ac612cebf6d4d939334d95e6f4

SHA512
007340d9d4702ec503e95c57b55c64e11d8b84bb0e2c3d72c2eb11706afe39ce4783d096584801bc554696ef975cf884eaf21a1c0bd0188b1184f548128033b1

Download Submit
memory/4160-1-0x0000000000D80000-0x0000000000D98000-memory.dmp

Filesize
96KB

Download
memory/4160-0-0x00007FFEC0003000-0x00007FFEC0005000-memory.dmp

Filesize
8KB

Download
memory/4160-3-0x00007FFEC0000000-0x00007FFEC0AC1000-memory.dmp

Filesize
10.8MB

Download
memory/4160-8-0x00007FFEC0000000-0x00007FFEC0AC1000-memory.dmp

Filesize
10.8MB

Download
memory/4160-9-0x00007FFEC0000000-0x00007FFEC0AC1000-memory.dmp

Filesize
10.8MB

Download