asyncrat | 016d808dd3d45a17f7230bfe8df690d2b75c18bd93f44f60badf12924f4266b0

General

Target

016D808DD3D45A17F7230BFE8DF690D2B75C18BD93F44.exe
Size

48KB
MD5

747973b0b920bcace8ebf382a3edd701
SHA1

6923e0e2e6b5813578142446fd48744bef443f67
SHA256

016d808dd3d45a17f7230bfe8df690d2b75c18bd93f44f60badf12924f4266b0
SHA512

814c0a9787a2012ae3c61a1c43c9cc68bd50b3bd3fed634003d6274c93f987abcea79e41e12caea61658ffab7b69f3b76934a69e9eda8d96ca325e9b83c71c27

Score

10^/10

asyncrat default rat suricata

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

spk.accesscam.org:55555

Mutex

AsyncMutex_6SI8OkPnk

Attributes

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

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat
suricata: ET MALWARE Generic AsyncRAT Style SSL Cert
suricata: ET MALWARE Generic AsyncRAT Style SSL Cert
suricata
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
suricata

Async RAT payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/656-54-0x0000000000EB0000-0x0000000000EC2000-memory.dmp	asyncrat
C:\Users\Admin\AppData\Roaming\google.exe	asyncrat
behavioral1/memory/2028-65-0x00000000001B0000-0x00000000001C2000-memory.dmp	asyncrat
C:\Users\Admin\AppData\Roaming\google.exe	asyncrat
\Users\Admin\AppData\Roaming\google.exe	asyncrat

Executes dropped EXE 1 IoCs

Processes:

google.exe

pid process

2028 google.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

948 cmd.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

1120 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1808 timeout.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

016D808DD3D45A17F7230BFE8DF690D2B75C18BD93F44.exe

pid process

656 016D808DD3D45A17F7230BFE8DF690D2B75C18BD93F44.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

016D808DD3D45A17F7230BFE8DF690D2B75C18BD93F44.exegoogle.exe

description pid process

Token: SeDebugPrivilege 656 016D808DD3D45A17F7230BFE8DF690D2B75C18BD93F44.exe
Token: SeDebugPrivilege 2028 google.exe

pid	process
2028	google.exe

pid	process
948	cmd.exe

pid	process
1120	schtasks.exe

pid	process
1808	timeout.exe

pid	process
656	016D808DD3D45A17F7230BFE8DF690D2B75C18BD93F44.exe

description	pid	process
Token: SeDebugPrivilege	656	016D808DD3D45A17F7230BFE8DF690D2B75C18BD93F44.exe
Token: SeDebugPrivilege	2028	google.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

016D808DD3D45A17F7230BFE8DF690D2B75C18BD93F44.execmd.execmd.exe

description	pid	process	target process
PID 656 wrote to memory of 1392	656	016D808DD3D45A17F7230BFE8DF690D2B75C18BD93F44.exe	cmd.exe
PID 656 wrote to memory of 1392	656	016D808DD3D45A17F7230BFE8DF690D2B75C18BD93F44.exe	cmd.exe
PID 656 wrote to memory of 1392	656	016D808DD3D45A17F7230BFE8DF690D2B75C18BD93F44.exe	cmd.exe
PID 656 wrote to memory of 1392	656	016D808DD3D45A17F7230BFE8DF690D2B75C18BD93F44.exe	cmd.exe
PID 656 wrote to memory of 948	656	016D808DD3D45A17F7230BFE8DF690D2B75C18BD93F44.exe	cmd.exe
PID 656 wrote to memory of 948	656	016D808DD3D45A17F7230BFE8DF690D2B75C18BD93F44.exe	cmd.exe
PID 656 wrote to memory of 948	656	016D808DD3D45A17F7230BFE8DF690D2B75C18BD93F44.exe	cmd.exe
PID 656 wrote to memory of 948	656	016D808DD3D45A17F7230BFE8DF690D2B75C18BD93F44.exe	cmd.exe
PID 1392 wrote to memory of 1120	1392	cmd.exe	schtasks.exe
PID 1392 wrote to memory of 1120	1392	cmd.exe	schtasks.exe
PID 1392 wrote to memory of 1120	1392	cmd.exe	schtasks.exe
PID 1392 wrote to memory of 1120	1392	cmd.exe	schtasks.exe
PID 948 wrote to memory of 1808	948	cmd.exe	timeout.exe
PID 948 wrote to memory of 1808	948	cmd.exe	timeout.exe
PID 948 wrote to memory of 1808	948	cmd.exe	timeout.exe
PID 948 wrote to memory of 1808	948	cmd.exe	timeout.exe
PID 948 wrote to memory of 2028	948	cmd.exe	google.exe
PID 948 wrote to memory of 2028	948	cmd.exe	google.exe
PID 948 wrote to memory of 2028	948	cmd.exe	google.exe
PID 948 wrote to memory of 2028	948	cmd.exe	google.exe
PID 948 wrote to memory of 2028	948	cmd.exe	google.exe
PID 948 wrote to memory of 2028	948	cmd.exe	google.exe
PID 948 wrote to memory of 2028	948	cmd.exe	google.exe

C:\Users\Admin\AppData\Local\Temp\016D808DD3D45A17F7230BFE8DF690D2B75C18BD93F44.exe
"C:\Users\Admin\AppData\Local\Temp\016D808DD3D45A17F7230BFE8DF690D2B75C18BD93F44.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:656

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp257C.tmp.bat""
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:948

C:\Users\Admin\AppData\Roaming\google.exe
"C:\Users\Admin\AppData\Roaming\google.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2028

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "google" /tr '"C:\Users\Admin\AppData\Roaming\google.exe"' & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1392

C:\Windows\SysWOW64\timeout.exe
timeout 3
1⤵
- Delays execution with timeout.exe
PID:1808

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "google" /tr '"C:\Users\Admin\AppData\Roaming\google.exe"'
1⤵
- Creates scheduled task(s)
PID:1120

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp257C.tmp.bat
Filesize
150B

MD5
c82857a131e72bcf0a66fabcf861e05e

SHA1
12fa0a98be7d5f3843912b67ce7d3a2aa0510c46

SHA256
a0f73f8f8f0031f662e3860bf53435449f072f1742b40a08925fe650cd953581

SHA512
19a4fab3e7d612c33caefda064b0e14b148ae0d535e298e627d44de60b31a3e3532df2be9a257c4e1fea33a9a098910016147d7910dd0f3abeda3438c485d33b

Download Submit
C:\Users\Admin\AppData\Roaming\google.exe
Filesize
48KB

MD5
747973b0b920bcace8ebf382a3edd701

SHA1
6923e0e2e6b5813578142446fd48744bef443f67

SHA256
016d808dd3d45a17f7230bfe8df690d2b75c18bd93f44f60badf12924f4266b0

SHA512
814c0a9787a2012ae3c61a1c43c9cc68bd50b3bd3fed634003d6274c93f987abcea79e41e12caea61658ffab7b69f3b76934a69e9eda8d96ca325e9b83c71c27

Download Submit
C:\Users\Admin\AppData\Roaming\google.exe
Filesize
48KB

MD5
747973b0b920bcace8ebf382a3edd701

SHA1
6923e0e2e6b5813578142446fd48744bef443f67

SHA256
016d808dd3d45a17f7230bfe8df690d2b75c18bd93f44f60badf12924f4266b0

SHA512
814c0a9787a2012ae3c61a1c43c9cc68bd50b3bd3fed634003d6274c93f987abcea79e41e12caea61658ffab7b69f3b76934a69e9eda8d96ca325e9b83c71c27

Download Submit
\Users\Admin\AppData\Roaming\google.exe
Filesize
48KB

MD5
747973b0b920bcace8ebf382a3edd701

SHA1
6923e0e2e6b5813578142446fd48744bef443f67

SHA256
016d808dd3d45a17f7230bfe8df690d2b75c18bd93f44f60badf12924f4266b0

SHA512
814c0a9787a2012ae3c61a1c43c9cc68bd50b3bd3fed634003d6274c93f987abcea79e41e12caea61658ffab7b69f3b76934a69e9eda8d96ca325e9b83c71c27

Download Submit
memory/656-54-0x0000000000EB0000-0x0000000000EC2000-memory.dmp

Filesize
72KB

Download
memory/656-55-0x00000000755A1000-0x00000000755A3000-memory.dmp

Filesize
8KB

Download
memory/948-57-0x0000000000000000-mapping.dmp

Download
memory/1120-59-0x0000000000000000-mapping.dmp

Download
memory/1392-56-0x0000000000000000-mapping.dmp

Download
memory/1808-60-0x0000000000000000-mapping.dmp

Download
memory/2028-63-0x0000000000000000-mapping.dmp

Download
memory/2028-65-0x00000000001B0000-0x00000000001C2000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads