asyncrat | f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32

General

Target

f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.exe
Size

90KB
MD5

51a43245ecf3a5f9871d4e2003a36032
SHA1

14f0576f0639189c6252467aba08eb8d8e557578
SHA256

f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32
SHA512

68ebffa51c9aca71cb4de71d287a434de15dd3f04ffde513631da3bb6f348614bf9e13b99612e90ff07b1d70f05e5732d76457195e8432b4420d08913614b0fe
SSDEEP

1536:uUaUcxoyR1CriPMVzrqVBYgImH1bz/psRo2Qzcxop3KBv3RiDKLVclN:uUDcxoyXkiPMVzrqVHH1bzRahQxUYKBY

Score

10^/10

asyncrat svchost.exe rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

svchost.exe

C2

127.0.0.1:80

2.58.84.229:80

Mutex

svchost.exe

Attributes

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

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

VenomRAT 3 IoCs

Detects VenomRAT.

rat

Processes:

resource	yara_rule
behavioral1/memory/2700-1-0x0000000000BD0000-0x0000000000BEC000-memory.dmp	VenomRAT
C:\Users\Admin\AppData\Roaming\svchost.exe	VenomRAT
behavioral1/memory/2836-18-0x00000000000D0000-0x00000000000EC000-memory.dmp	VenomRAT

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\svchost.exe	family_asyncrat

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

2836 svchost.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2760 timeout.exe
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

2200 schtasks.exe

pid	process
2836	svchost.exe

pid	process
2760	timeout.exe

pid	process
2200	schtasks.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.exesvchost.exe

pid	process
2700	f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.exe
2700	f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.exe
2700	f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.exe
2836	svchost.exe
2836	svchost.exe
2836	svchost.exe
2836	svchost.exe
2836	svchost.exe
2836	svchost.exe
2836	svchost.exe
2836	svchost.exe
2836	svchost.exe
2836	svchost.exe
2836	svchost.exe
2836	svchost.exe
2836	svchost.exe
2836	svchost.exe
2836	svchost.exe
2836	svchost.exe
2836	svchost.exe
2836	svchost.exe
2836	svchost.exe
2836	svchost.exe
2836	svchost.exe
2836	svchost.exe
2836	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	2700	f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.exe
Token: SeDebugPrivilege	2700	f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.exe
Token: SeDebugPrivilege	2836	svchost.exe
Token: SeDebugPrivilege	2836	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

svchost.exe

pid process

2836 svchost.exe

pid	process
2836	svchost.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.execmd.execmd.exe

description	pid	process	target process
PID 2700 wrote to memory of 2244	2700	f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.exe	cmd.exe
PID 2700 wrote to memory of 2244	2700	f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.exe	cmd.exe
PID 2700 wrote to memory of 2244	2700	f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.exe	cmd.exe
PID 2700 wrote to memory of 2004	2700	f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.exe	cmd.exe
PID 2700 wrote to memory of 2004	2700	f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.exe	cmd.exe
PID 2700 wrote to memory of 2004	2700	f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.exe	cmd.exe
PID 2244 wrote to memory of 2200	2244	cmd.exe	schtasks.exe
PID 2244 wrote to memory of 2200	2244	cmd.exe	schtasks.exe
PID 2244 wrote to memory of 2200	2244	cmd.exe	schtasks.exe
PID 2004 wrote to memory of 2760	2004	cmd.exe	timeout.exe
PID 2004 wrote to memory of 2760	2004	cmd.exe	timeout.exe
PID 2004 wrote to memory of 2760	2004	cmd.exe	timeout.exe
PID 2004 wrote to memory of 2836	2004	cmd.exe	svchost.exe
PID 2004 wrote to memory of 2836	2004	cmd.exe	svchost.exe
PID 2004 wrote to memory of 2836	2004	cmd.exe	svchost.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.exe
"C:\Users\Admin\AppData\Local\Temp\f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2244
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2200
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp9369.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2004
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2760
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9369.tmp.bat

Filesize
151B

MD5
df81fb70df9275ddd966b6fe28a1b3c3

SHA1
d5cbd8f5b17eb65d05646f370eb5a2bfd977e433

SHA256
18da0f6015065fa230d2c9a702157e9f6166fc608576d55058f0c9f0d123e2a5

SHA512
e5d3f2ff8878b3c5e1cb958e5c0fe0e0c055ebde83b040e24ed962b15d58014e4f6068480b75cc0bf1c6f70c388a5ee843f2d15360cb6c42f708cebcda916058

Download Submit
C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf

Filesize
8B

MD5
cf759e4c5f14fe3eec41b87ed756cea8

SHA1
c27c796bb3c2fac929359563676f4ba1ffada1f5

SHA256
c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

SHA512
c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
90KB

MD5
51a43245ecf3a5f9871d4e2003a36032

SHA1
14f0576f0639189c6252467aba08eb8d8e557578

SHA256
f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32

SHA512
68ebffa51c9aca71cb4de71d287a434de15dd3f04ffde513631da3bb6f348614bf9e13b99612e90ff07b1d70f05e5732d76457195e8432b4420d08913614b0fe

Download Submit
memory/2700-0-0x000007FEF5873000-0x000007FEF5874000-memory.dmp

Filesize
4KB

Download
memory/2700-1-0x0000000000BD0000-0x0000000000BEC000-memory.dmp

Filesize
112KB

Download
memory/2700-3-0x000007FEF5870000-0x000007FEF625C000-memory.dmp

Filesize
9.9MB

Download
memory/2700-11-0x000007FEF5870000-0x000007FEF625C000-memory.dmp

Filesize
9.9MB

Download
memory/2700-13-0x000007FEF5870000-0x000007FEF625C000-memory.dmp

Filesize
9.9MB

Download
memory/2836-18-0x00000000000D0000-0x00000000000EC000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads