asyncrat | 877e947467beb6827f5dec938c5c73e6b56d632a9422c4b4f4bef83cd19c0779

General

Target

877e947467beb6827f5dec938c5c73e6b56d632a9422c4b4f4bef83cd19c0779.exe
Size

986KB
MD5

9abed258d16bc74722d469f48baeccd5
SHA1

f2b2d18fbd0dd22b755aea5a4f9bc1e2148cac47
SHA256

877e947467beb6827f5dec938c5c73e6b56d632a9422c4b4f4bef83cd19c0779
SHA512

b1d6e7f308cc8587000c097c4d7693c8d501923e3f5b7dcfc6380d071b3372dccda66f8d6beff278dec09c42d9eee7c846c37bbc821d825d31321e6490403c2b
SSDEEP

12288:tPJ3fLJ8ACnT6u+kzJNolKRP1OS5+RYK4pzDfRtcg7C5dOdp5Swx7IkNP:BtWACT6uGlKhqmK4OgG5dmGw+mP

Score

10^/10

asyncrat venom clients rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT 5.0.5

Botnet

Venom Clients

C2

80.89.230.176:4449

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

Attributes

delay
5
install
true
install_file
svshost.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/4420-138-0x0000000000400000-0x0000000000416000-memory.dmp	asyncrat

Executes dropped EXE 1 IoCs

Processes:

svshost.exe

pid process

2920 svshost.exe

pid	process
2920	svshost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

877e947467beb6827f5dec938c5c73e6b56d632a9422c4b4f4bef83cd19c0779.exe

description	pid	process	target process
PID 380 set thread context of 4420	380	877e947467beb6827f5dec938c5c73e6b56d632a9422c4b4f4bef83cd19c0779.exe	RegSvcs.exe

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

4868 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4700 timeout.exe

pid	process
4868	schtasks.exe

pid	process
4700	timeout.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

RegSvcs.exe

pid	process
4420	RegSvcs.exe
4420	RegSvcs.exe
4420	RegSvcs.exe
4420	RegSvcs.exe
4420	RegSvcs.exe
4420	RegSvcs.exe
4420	RegSvcs.exe
4420	RegSvcs.exe
4420	RegSvcs.exe
4420	RegSvcs.exe
4420	RegSvcs.exe
4420	RegSvcs.exe
4420	RegSvcs.exe
4420	RegSvcs.exe
4420	RegSvcs.exe
4420	RegSvcs.exe
4420	RegSvcs.exe
4420	RegSvcs.exe
4420	RegSvcs.exe
4420	RegSvcs.exe
4420	RegSvcs.exe
4420	RegSvcs.exe
4420	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 4420 RegSvcs.exe
Token: SeDebugPrivilege 4420 RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4420	RegSvcs.exe
Token: SeDebugPrivilege	4420	RegSvcs.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

877e947467beb6827f5dec938c5c73e6b56d632a9422c4b4f4bef83cd19c0779.exeRegSvcs.execmd.execmd.exe

description	pid	process	target process
PID 380 wrote to memory of 4420	380	877e947467beb6827f5dec938c5c73e6b56d632a9422c4b4f4bef83cd19c0779.exe	RegSvcs.exe
PID 380 wrote to memory of 4420	380	877e947467beb6827f5dec938c5c73e6b56d632a9422c4b4f4bef83cd19c0779.exe	RegSvcs.exe
PID 380 wrote to memory of 4420	380	877e947467beb6827f5dec938c5c73e6b56d632a9422c4b4f4bef83cd19c0779.exe	RegSvcs.exe
PID 380 wrote to memory of 4420	380	877e947467beb6827f5dec938c5c73e6b56d632a9422c4b4f4bef83cd19c0779.exe	RegSvcs.exe
PID 380 wrote to memory of 4420	380	877e947467beb6827f5dec938c5c73e6b56d632a9422c4b4f4bef83cd19c0779.exe	RegSvcs.exe
PID 380 wrote to memory of 4420	380	877e947467beb6827f5dec938c5c73e6b56d632a9422c4b4f4bef83cd19c0779.exe	RegSvcs.exe
PID 380 wrote to memory of 4420	380	877e947467beb6827f5dec938c5c73e6b56d632a9422c4b4f4bef83cd19c0779.exe	RegSvcs.exe
PID 380 wrote to memory of 4420	380	877e947467beb6827f5dec938c5c73e6b56d632a9422c4b4f4bef83cd19c0779.exe	RegSvcs.exe
PID 4420 wrote to memory of 8	4420	RegSvcs.exe	cmd.exe
PID 4420 wrote to memory of 8	4420	RegSvcs.exe	cmd.exe
PID 4420 wrote to memory of 8	4420	RegSvcs.exe	cmd.exe
PID 4420 wrote to memory of 664	4420	RegSvcs.exe	cmd.exe
PID 4420 wrote to memory of 664	4420	RegSvcs.exe	cmd.exe
PID 4420 wrote to memory of 664	4420	RegSvcs.exe	cmd.exe
PID 8 wrote to memory of 4868	8	cmd.exe	schtasks.exe
PID 8 wrote to memory of 4868	8	cmd.exe	schtasks.exe
PID 8 wrote to memory of 4868	8	cmd.exe	schtasks.exe
PID 664 wrote to memory of 4700	664	cmd.exe	timeout.exe
PID 664 wrote to memory of 4700	664	cmd.exe	timeout.exe
PID 664 wrote to memory of 4700	664	cmd.exe	timeout.exe
PID 664 wrote to memory of 2920	664	cmd.exe	svshost.exe
PID 664 wrote to memory of 2920	664	cmd.exe	svshost.exe
PID 664 wrote to memory of 2920	664	cmd.exe	svshost.exe

C:\Users\Admin\AppData\Local\Temp\877e947467beb6827f5dec938c5c73e6b56d632a9422c4b4f4bef83cd19c0779.exe
"C:\Users\Admin\AppData\Local\Temp\877e947467beb6827f5dec938c5c73e6b56d632a9422c4b4f4bef83cd19c0779.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:380

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4420

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svshost" /tr '"C:\Users\Admin\AppData\Roaming\svshost.exe"' & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:8

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "svshost" /tr '"C:\Users\Admin\AppData\Roaming\svshost.exe"'
4⤵
- Creates scheduled task(s)
PID:4868

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6532.tmp.bat""
3⤵
- Suspicious use of WriteProcessMemory
PID:664

C:\Windows\SysWOW64\timeout.exe
timeout 3
4⤵
- Delays execution with timeout.exe
PID:4700

C:\Users\Admin\AppData\Roaming\svshost.exe
"C:\Users\Admin\AppData\Roaming\svshost.exe"
4⤵
- Executes dropped EXE
PID:2920

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6532.tmp.bat
Filesize
151B

MD5
4407c90c8ba6a316b0633a8f08fb7d66

SHA1
cee1417c847907ca850db79249a2657176105b5e

SHA256
6379591cfa136f7afa0923c72d9875864996b27a05e4370c115ea09f503b9ff3

SHA512
4079fca1ab63fb4afe1573c0f006a50c2e0647f904926eabdc1748fbbf715b49e53ff92e8c11dabb785947e815ad7a416d77d7441d371437ea6d40567801416a

Download Submit
C:\Users\Admin\AppData\Roaming\svshost.exe
Filesize
44KB

MD5
9d352bc46709f0cb5ec974633a0c3c94

SHA1
1969771b2f022f9a86d77ac4d4d239becdf08d07

SHA256
2c1eeb7097023c784c2bd040a2005a5070ed6f3a4abf13929377a9e39fab1390

SHA512
13c714244ec56beeb202279e4109d59c2a43c3cf29f90a374a751c04fd472b45228ca5a0178f41109ed863dbd34e0879e4a21f5e38ae3d89559c57e6be990a9b

Download Submit
C:\Users\Admin\AppData\Roaming\svshost.exe
Filesize
44KB

MD5
9d352bc46709f0cb5ec974633a0c3c94

SHA1
1969771b2f022f9a86d77ac4d4d239becdf08d07

SHA256
2c1eeb7097023c784c2bd040a2005a5070ed6f3a4abf13929377a9e39fab1390

SHA512
13c714244ec56beeb202279e4109d59c2a43c3cf29f90a374a751c04fd472b45228ca5a0178f41109ed863dbd34e0879e4a21f5e38ae3d89559c57e6be990a9b

Download Submit
memory/8-139-0x0000000000000000-mapping.dmp

Download
memory/380-136-0x0000000004CB0000-0x0000000004CBA000-memory.dmp

Filesize
40KB

Download
memory/380-132-0x0000000000200000-0x00000000002FC000-memory.dmp

Filesize
1008KB

Download
memory/380-135-0x0000000004DC0000-0x0000000004E5C000-memory.dmp

Filesize
624KB

Download
memory/380-134-0x0000000004D20000-0x0000000004DB2000-memory.dmp

Filesize
584KB

Download
memory/380-133-0x0000000005230000-0x00000000057D4000-memory.dmp

Filesize
5.6MB

Download
memory/664-140-0x0000000000000000-mapping.dmp

Download
memory/2920-144-0x0000000000000000-mapping.dmp

Download
memory/2920-147-0x00000000001A0000-0x00000000001AE000-memory.dmp

Filesize
56KB

Download
memory/2920-148-0x0000000004940000-0x000000000497C000-memory.dmp

Filesize
240KB

Download
memory/4420-137-0x0000000000000000-mapping.dmp

Download
memory/4420-138-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4700-143-0x0000000000000000-mapping.dmp

Download
memory/4868-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads