asyncrat | 2a48fa5118bf1c97de6a6b7b0a45bcc95bd678d54f31e2f2d003e5f3ea49c780

General

Target

2ed2a1d6604afeaa681f4c66dcd84194.exe
Size

141KB
MD5

2ed2a1d6604afeaa681f4c66dcd84194
SHA1

6134d837220afe9377cd78950c8aca43dde08d8c
SHA256

2a48fa5118bf1c97de6a6b7b0a45bcc95bd678d54f31e2f2d003e5f3ea49c780
SHA512

b6dc02f1974d0d90b171432156b85044ab67b51c00c9a6f2ce98562342dd2afb64ac36ae57e291d37da0db564c7191567183917971455969d9eb930c920e8979

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

techandro.giize.com:6906

techandro.giize.com:6907

hsolic.duckdns.org:6906

hsolic.duckdns.org:6907

Mutex

DcRatMutex_qwqdanchun

Attributes

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

aes.plain

Signatures

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

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1056-57-0x0000000000320000-0x0000000000336000-memory.dmp	asyncrat

Executes dropped EXE 1 IoCs

Processes:

sihost.exe

pid process

1780 sihost.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1652 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

1408 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

980 timeout.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

2ed2a1d6604afeaa681f4c66dcd84194.exe

pid process

1056 2ed2a1d6604afeaa681f4c66dcd84194.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

2ed2a1d6604afeaa681f4c66dcd84194.exesihost.exe

description pid process

Token: SeDebugPrivilege 1056 2ed2a1d6604afeaa681f4c66dcd84194.exe
Token: SeDebugPrivilege 1780 sihost.exe

pid	process
1780	sihost.exe

pid	process
1652	cmd.exe

pid	process
1408	schtasks.exe

pid	process
980	timeout.exe

pid	process
1056	2ed2a1d6604afeaa681f4c66dcd84194.exe

description	pid	process
Token: SeDebugPrivilege	1056	2ed2a1d6604afeaa681f4c66dcd84194.exe
Token: SeDebugPrivilege	1780	sihost.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

2ed2a1d6604afeaa681f4c66dcd84194.execmd.execmd.exe

description	pid	process	target process
PID 1056 wrote to memory of 796	1056	2ed2a1d6604afeaa681f4c66dcd84194.exe	cmd.exe
PID 1056 wrote to memory of 796	1056	2ed2a1d6604afeaa681f4c66dcd84194.exe	cmd.exe
PID 1056 wrote to memory of 796	1056	2ed2a1d6604afeaa681f4c66dcd84194.exe	cmd.exe
PID 1056 wrote to memory of 796	1056	2ed2a1d6604afeaa681f4c66dcd84194.exe	cmd.exe
PID 1056 wrote to memory of 1652	1056	2ed2a1d6604afeaa681f4c66dcd84194.exe	cmd.exe
PID 1056 wrote to memory of 1652	1056	2ed2a1d6604afeaa681f4c66dcd84194.exe	cmd.exe
PID 1056 wrote to memory of 1652	1056	2ed2a1d6604afeaa681f4c66dcd84194.exe	cmd.exe
PID 1056 wrote to memory of 1652	1056	2ed2a1d6604afeaa681f4c66dcd84194.exe	cmd.exe
PID 796 wrote to memory of 1408	796	cmd.exe	schtasks.exe
PID 796 wrote to memory of 1408	796	cmd.exe	schtasks.exe
PID 796 wrote to memory of 1408	796	cmd.exe	schtasks.exe
PID 796 wrote to memory of 1408	796	cmd.exe	schtasks.exe
PID 1652 wrote to memory of 980	1652	cmd.exe	timeout.exe
PID 1652 wrote to memory of 980	1652	cmd.exe	timeout.exe
PID 1652 wrote to memory of 980	1652	cmd.exe	timeout.exe
PID 1652 wrote to memory of 980	1652	cmd.exe	timeout.exe
PID 1652 wrote to memory of 1780	1652	cmd.exe	sihost.exe
PID 1652 wrote to memory of 1780	1652	cmd.exe	sihost.exe
PID 1652 wrote to memory of 1780	1652	cmd.exe	sihost.exe
PID 1652 wrote to memory of 1780	1652	cmd.exe	sihost.exe

C:\Users\Admin\AppData\Local\Temp\2ed2a1d6604afeaa681f4c66dcd84194.exe
"C:\Users\Admin\AppData\Local\Temp\2ed2a1d6604afeaa681f4c66dcd84194.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1056

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "sihost" /tr '"C:\Users\Admin\AppData\Roaming\sihost.exe"' & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:796

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "sihost" /tr '"C:\Users\Admin\AppData\Roaming\sihost.exe"'
3⤵
- Creates scheduled task(s)
PID:1408

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpA6D.tmp.bat""
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1652

C:\Windows\SysWOW64\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:980

C:\Users\Admin\AppData\Roaming\sihost.exe
"C:\Users\Admin\AppData\Roaming\sihost.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1780

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\tmpA6D.tmp.bat
Filesize
149B

MD5
4ab5781b6e4b868790ce392876a52a58

SHA1
3746dc955889acbd59300c49153c585d858ba11d

SHA256
39aa863696fd836ddedc9b06d0c579ab8d5eef72d881a814ae8aefa376672a0c

SHA512
07481a2dff2d2937dc88feacda4811bf6e79199bcc049144576a3ec39421bc7306adeef4b5b0542fbd3618576a0090d146b66ab4d18f25cba7f128654b6fcaa1

Download Submit
C:\Users\Admin\AppData\Roaming\sihost.exe
Filesize
141KB

MD5
2ed2a1d6604afeaa681f4c66dcd84194

SHA1
6134d837220afe9377cd78950c8aca43dde08d8c

SHA256
2a48fa5118bf1c97de6a6b7b0a45bcc95bd678d54f31e2f2d003e5f3ea49c780

SHA512
b6dc02f1974d0d90b171432156b85044ab67b51c00c9a6f2ce98562342dd2afb64ac36ae57e291d37da0db564c7191567183917971455969d9eb930c920e8979

Download Submit
C:\Users\Admin\AppData\Roaming\sihost.exe
Filesize
141KB

MD5
2ed2a1d6604afeaa681f4c66dcd84194

SHA1
6134d837220afe9377cd78950c8aca43dde08d8c

SHA256
2a48fa5118bf1c97de6a6b7b0a45bcc95bd678d54f31e2f2d003e5f3ea49c780

SHA512
b6dc02f1974d0d90b171432156b85044ab67b51c00c9a6f2ce98562342dd2afb64ac36ae57e291d37da0db564c7191567183917971455969d9eb930c920e8979

Download Submit
\Users\Admin\AppData\Roaming\sihost.exe
Filesize
141KB

MD5
2ed2a1d6604afeaa681f4c66dcd84194

SHA1
6134d837220afe9377cd78950c8aca43dde08d8c

SHA256
2a48fa5118bf1c97de6a6b7b0a45bcc95bd678d54f31e2f2d003e5f3ea49c780

SHA512
b6dc02f1974d0d90b171432156b85044ab67b51c00c9a6f2ce98562342dd2afb64ac36ae57e291d37da0db564c7191567183917971455969d9eb930c920e8979

Download Submit
memory/796-59-0x0000000000000000-mapping.dmp

Download
memory/980-63-0x0000000000000000-mapping.dmp

Download
memory/1056-58-0x00000000001F0000-0x0000000000290000-memory.dmp

Filesize
640KB

Download
memory/1056-54-0x00000000002C0000-0x00000000002EA000-memory.dmp

Filesize
168KB

Download
memory/1056-57-0x0000000000320000-0x0000000000336000-memory.dmp

Filesize
88KB

Download
memory/1056-56-0x0000000074E11000-0x0000000074E13000-memory.dmp

Filesize
8KB

Download
memory/1056-55-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1408-61-0x0000000000000000-mapping.dmp

Download
memory/1652-60-0x0000000000000000-mapping.dmp

Download
memory/1780-66-0x0000000000000000-mapping.dmp

Download
memory/1780-68-0x0000000000D20000-0x0000000000D4A000-memory.dmp

Filesize
168KB

Download
memory/1780-70-0x00000000004C0000-0x00000000004DA000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads