asyncrat | 7ecfcfc4ea9e2c28f52836fb1122bf7327a77308b6bee25226967876d2ae889a

Analysis

max time kernel
159s
max time network
178s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral29/memory/828-54-0x0000000001200000-0x0000000001216000-memory.dmp	asyncrat
C:\Users\Admin\AppData\Roaming\Ankabotkey.exe	asyncrat
C:\Users\Admin\AppData\Roaming\Ankabotkey.exe	asyncrat
behavioral29/memory/284-63-0x0000000000350000-0x0000000000366000-memory.dmp	asyncrat

Executes dropped EXE 1 IoCs

Processes:

Ankabotkey.exe

pid process

284 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

1700 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1092 timeout.exe

pid	process
284	Ankabotkey.exe

pid	process
1700	schtasks.exe

pid	process
1092	timeout.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

Bypass.exeAnkabotkey.exe

pid	process
828	Bypass.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe
284	Ankabotkey.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Bypass.exeAnkabotkey.exe

description pid process

Token: SeDebugPrivilege 828 Bypass.exe
Token: SeDebugPrivilege 284 Ankabotkey.exe

description	pid	process
Token: SeDebugPrivilege	828	Bypass.exe
Token: SeDebugPrivilege	284	Ankabotkey.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Bypass.execmd.execmd.exe

description	pid	process	target process
PID 828 wrote to memory of 1048	828	Bypass.exe	cmd.exe
PID 828 wrote to memory of 1048	828	Bypass.exe	cmd.exe
PID 828 wrote to memory of 1048	828	Bypass.exe	cmd.exe
PID 828 wrote to memory of 1156	828	Bypass.exe	cmd.exe
PID 828 wrote to memory of 1156	828	Bypass.exe	cmd.exe
PID 828 wrote to memory of 1156	828	Bypass.exe	cmd.exe
PID 1048 wrote to memory of 1700	1048	cmd.exe	schtasks.exe
PID 1048 wrote to memory of 1700	1048	cmd.exe	schtasks.exe
PID 1048 wrote to memory of 1700	1048	cmd.exe	schtasks.exe
PID 1156 wrote to memory of 1092	1156	cmd.exe	timeout.exe
PID 1156 wrote to memory of 1092	1156	cmd.exe	timeout.exe
PID 1156 wrote to memory of 1092	1156	cmd.exe	timeout.exe
PID 1156 wrote to memory of 284	1156	cmd.exe	Ankabotkey.exe
PID 1156 wrote to memory of 284	1156	cmd.exe	Ankabotkey.exe
PID 1156 wrote to memory of 284	1156	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⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:828

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:1048

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:1700

C:\Windows\system32\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp8122.tmp.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:1156

C:\Windows\system32\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:1092

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:284

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

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8122.tmp.bat
Filesize
154B

MD5
5cddc4444d51c6417139844b96300d0b

SHA1
ea5100b6afe19224d75e458ca16e44f6a30a8d55

SHA256
9dd569f9ea5db43dbc216e0e8a279bb28bebd41d11585d17525e32ee71c9b655

SHA512
9ad7f2cbf8d804a0dca968f6401c9f57d2fa5876a1613475d3d6ba2bc299c0a2aead99a7bd0bedbf1288ddb61d09ba50e8e62afbc44a9e801efde82225cb8e3b

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/284-60-0x0000000000000000-mapping.dmp

Download
memory/284-63-0x0000000000350000-0x0000000000366000-memory.dmp

Filesize
88KB

Download
memory/828-54-0x0000000001200000-0x0000000001216000-memory.dmp

Filesize
88KB

Download
memory/1048-55-0x0000000000000000-mapping.dmp

Download
memory/1092-59-0x0000000000000000-mapping.dmp

Download
memory/1156-56-0x0000000000000000-mapping.dmp

Download
memory/1700-57-0x0000000000000000-mapping.dmp

Download