asyncrat | 7ecfcfc4ea9e2c28f52836fb1122bf7327a77308b6bee25226967876d2ae889a

Analysis

max time kernel
149s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
15-02-2023 17:24

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General

Target

AnkaBotPC_4.0.5/AnkaBotPC/Bypass.exe
Size

66KB
MD5

ed8ed2bfb05f2f2a5496c4d32095c34b
SHA1

57002f5bf97a9ddf1aafd909dcc676e60343d322
SHA256

8cabd58822919c0a30ddc7a507e4a55a5d314ec466224791d7814711cf373f6c
SHA512

e55c939802586f0b1525dc6e6c8964c37edec8c35b0bfcbd08998807d2c6a4a0d05db6100fc6312be983c585b2270e39d113e7a72a13a8403588a64710be39d1
SSDEEP

1536:ToUWMO7oo0sS7UAkj9O8QQHFdCxlTk/sbbXApJZLTD9VclN:TJof9O8QQHFPsbbXI7PY

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.0

Botnet

Default

141.98.11.72:4449

Mutex

sdtgyxyhor

Attributes

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

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat

Async RAT payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral30/memory/4192-132-0x0000000000E60000-0x0000000000E76000-memory.dmp	asyncrat
C:\Users\Admin\AppData\Roaming\Ankabotkey.exe	asyncrat
C:\Users\Admin\AppData\Roaming\Ankabotkey.exe	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

Processes:

Bypass.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation Bypass.exe
Executes dropped EXE 1 IoCs

Processes:

Ankabotkey.exe

pid process

4972 Ankabotkey.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

3352 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3792 timeout.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	Bypass.exe

pid	process
4972	Ankabotkey.exe

pid	process
3352	schtasks.exe

pid	process
3792	timeout.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

Processes:

Bypass.exeAnkabotkey.exe

pid	process
4192	Bypass.exe
4192	Bypass.exe
4192	Bypass.exe
4192	Bypass.exe
4192	Bypass.exe
4192	Bypass.exe
4192	Bypass.exe
4192	Bypass.exe
4192	Bypass.exe
4192	Bypass.exe
4192	Bypass.exe
4192	Bypass.exe
4192	Bypass.exe
4192	Bypass.exe
4192	Bypass.exe
4192	Bypass.exe
4192	Bypass.exe
4192	Bypass.exe
4192	Bypass.exe
4192	Bypass.exe
4192	Bypass.exe
4192	Bypass.exe
4192	Bypass.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe
4972	Ankabotkey.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Bypass.exeAnkabotkey.exe

description pid process

Token: SeDebugPrivilege 4192 Bypass.exe
Token: SeDebugPrivilege 4972 Ankabotkey.exe

description	pid	process
Token: SeDebugPrivilege	4192	Bypass.exe
Token: SeDebugPrivilege	4972	Ankabotkey.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

Bypass.execmd.execmd.exe

description	pid	process	target process
PID 4192 wrote to memory of 5056	4192	Bypass.exe	cmd.exe
PID 4192 wrote to memory of 5056	4192	Bypass.exe	cmd.exe
PID 4192 wrote to memory of 4800	4192	Bypass.exe	cmd.exe
PID 4192 wrote to memory of 4800	4192	Bypass.exe	cmd.exe
PID 5056 wrote to memory of 3352	5056	cmd.exe	schtasks.exe
PID 5056 wrote to memory of 3352	5056	cmd.exe	schtasks.exe
PID 4800 wrote to memory of 3792	4800	cmd.exe	timeout.exe
PID 4800 wrote to memory of 3792	4800	cmd.exe	timeout.exe
PID 4800 wrote to memory of 4972	4800	cmd.exe	Ankabotkey.exe
PID 4800 wrote to memory of 4972	4800	cmd.exe	Ankabotkey.exe

C:\Users\Admin\AppData\Local\Temp\AnkaBotPC_4.0.5\AnkaBotPC\Bypass.exe
"C:\Users\Admin\AppData\Local\Temp\AnkaBotPC_4.0.5\AnkaBotPC\Bypass.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4192

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Ankabotkey" /tr '"C:\Users\Admin\AppData\Roaming\Ankabotkey.exe"' & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:5056

C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "Ankabotkey" /tr '"C:\Users\Admin\AppData\Roaming\Ankabotkey.exe"'
3⤵
- Creates scheduled task(s)
PID:3352

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9D1F.tmp.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:4800

C:\Windows\system32\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:3792

C:\Users\Admin\AppData\Roaming\Ankabotkey.exe
"C:\Users\Admin\AppData\Roaming\Ankabotkey.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4972

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9D1F.tmp.bat
Filesize
154B

MD5
69a4f25f5f3d8cc27796024effec8078

SHA1
1c9ed4df2dbcafc4cbb38ee73e21156f8224f947

SHA256
d18feaebd4df78db6773aea7c6c858acbfb192952c237a2bf67f8fc0b3b25e4f

SHA512
2625e21e6237bccd97d54982d680c5da25d6bb5f6e7a553486f0f8ac44569ead046e1e3c61ca90f859dd0b54df1a79c1d71ad6b714fbffc1d4c28d63adedade7

Download Submit
C:\Users\Admin\AppData\Roaming\Ankabotkey.exe
Filesize
66KB

MD5
ed8ed2bfb05f2f2a5496c4d32095c34b

SHA1
57002f5bf97a9ddf1aafd909dcc676e60343d322

SHA256
8cabd58822919c0a30ddc7a507e4a55a5d314ec466224791d7814711cf373f6c

SHA512
e55c939802586f0b1525dc6e6c8964c37edec8c35b0bfcbd08998807d2c6a4a0d05db6100fc6312be983c585b2270e39d113e7a72a13a8403588a64710be39d1

Download Submit
C:\Users\Admin\AppData\Roaming\Ankabotkey.exe
Filesize
66KB

MD5
ed8ed2bfb05f2f2a5496c4d32095c34b

SHA1
57002f5bf97a9ddf1aafd909dcc676e60343d322

SHA256
8cabd58822919c0a30ddc7a507e4a55a5d314ec466224791d7814711cf373f6c

SHA512
e55c939802586f0b1525dc6e6c8964c37edec8c35b0bfcbd08998807d2c6a4a0d05db6100fc6312be983c585b2270e39d113e7a72a13a8403588a64710be39d1

Download Submit
memory/3352-137-0x0000000000000000-mapping.dmp

Download
memory/3792-139-0x0000000000000000-mapping.dmp

Download
memory/4192-138-0x00007FFE08EB0000-0x00007FFE09971000-memory.dmp

Filesize
10.8MB

Download
memory/4192-133-0x00007FFE08EB0000-0x00007FFE09971000-memory.dmp

Filesize
10.8MB

Download
memory/4192-132-0x0000000000E60000-0x0000000000E76000-memory.dmp

Filesize
88KB

Download
memory/4800-135-0x0000000000000000-mapping.dmp

Download
memory/4972-140-0x0000000000000000-mapping.dmp

Download
memory/4972-143-0x00007FFE08EB0000-0x00007FFE09971000-memory.dmp

Filesize
10.8MB

Download
memory/4972-144-0x00007FFE08EB0000-0x00007FFE09971000-memory.dmp

Filesize
10.8MB

Download
memory/5056-134-0x0000000000000000-mapping.dmp

Download