asyncrat | d93711daa1ff0f3b63df017fbfd1d2f5bfe264fd77809fe23640614ecb5cd36f

General

Target

d93711daa1ff0f3b63df017fbfd1d2f5bfe264fd77809fe23640614ecb5cd36f.exe
Size

140KB
MD5

3cac83c912bfeb780fd1139fd0e7ebb5
SHA1

879031d44a0d018fe96179fdc5af705b0dcc511f
SHA256

d93711daa1ff0f3b63df017fbfd1d2f5bfe264fd77809fe23640614ecb5cd36f
SHA512

cfbd17a958bceaaea738d08d4c5c62ca2001bee9ffaca00de495159314a8f46c182f1b9abf81188bc690c923d3a4cb3b4981f8a520772dc5d04f8338935240fc
SSDEEP

3072:PU0cxC6e2mPMVqe9VdQsH1bf+ufQ2nFQY:Poe2mPMVqaesVbnxy

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

82.64.69.214:4449

Mutex

fyhdjsvxoqnipyj

Attributes

delay
1
install
true
install_file
mssconfigs.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

resource	yara_rule
behavioral1/memory/1992-1-0x00000000013A0000-0x00000000013C8000-memory.dmp	VenomRAT
behavioral1/files/0x0009000000015d27-16.dat	VenomRAT
behavioral1/memory/2780-18-0x0000000000940000-0x0000000000968000-memory.dmp	VenomRAT

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral1/files/0x0009000000015d27-16.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2780	mssconfigs.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

pid	Process
2784	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

pid	Process
2852	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1992	d93711daa1ff0f3b63df017fbfd1d2f5bfe264fd77809fe23640614ecb5cd36f.exe
1992	d93711daa1ff0f3b63df017fbfd1d2f5bfe264fd77809fe23640614ecb5cd36f.exe
1992	d93711daa1ff0f3b63df017fbfd1d2f5bfe264fd77809fe23640614ecb5cd36f.exe
2780	mssconfigs.exe
2780	mssconfigs.exe
2780	mssconfigs.exe
2780	mssconfigs.exe
2780	mssconfigs.exe
2780	mssconfigs.exe
2780	mssconfigs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1992	d93711daa1ff0f3b63df017fbfd1d2f5bfe264fd77809fe23640614ecb5cd36f.exe
Token: SeDebugPrivilege	2780	mssconfigs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2780	mssconfigs.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2368	1992	d93711daa1ff0f3b63df017fbfd1d2f5bfe264fd77809fe23640614ecb5cd36f.exe	31
PID 1992 wrote to memory of 2368	1992	d93711daa1ff0f3b63df017fbfd1d2f5bfe264fd77809fe23640614ecb5cd36f.exe	31
PID 1992 wrote to memory of 2368	1992	d93711daa1ff0f3b63df017fbfd1d2f5bfe264fd77809fe23640614ecb5cd36f.exe	31
PID 1992 wrote to memory of 2580	1992	d93711daa1ff0f3b63df017fbfd1d2f5bfe264fd77809fe23640614ecb5cd36f.exe	32
PID 1992 wrote to memory of 2580	1992	d93711daa1ff0f3b63df017fbfd1d2f5bfe264fd77809fe23640614ecb5cd36f.exe	32
PID 1992 wrote to memory of 2580	1992	d93711daa1ff0f3b63df017fbfd1d2f5bfe264fd77809fe23640614ecb5cd36f.exe	32
PID 2580 wrote to memory of 2784	2580	cmd.exe	35
PID 2580 wrote to memory of 2784	2580	cmd.exe	35
PID 2580 wrote to memory of 2784	2580	cmd.exe	35
PID 2368 wrote to memory of 2852	2368	cmd.exe	36
PID 2368 wrote to memory of 2852	2368	cmd.exe	36
PID 2368 wrote to memory of 2852	2368	cmd.exe	36
PID 2580 wrote to memory of 2780	2580	cmd.exe	37
PID 2580 wrote to memory of 2780	2580	cmd.exe	37
PID 2580 wrote to memory of 2780	2580	cmd.exe	37

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\d93711daa1ff0f3b63df017fbfd1d2f5bfe264fd77809fe23640614ecb5cd36f.exe
"C:\Users\Admin\AppData\Local\Temp\d93711daa1ff0f3b63df017fbfd1d2f5bfe264fd77809fe23640614ecb5cd36f.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "mssconfigs" /tr '"C:\Users\Admin\AppData\Roaming\mssconfigs.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "mssconfigs" /tr '"C:\Users\Admin\AppData\Roaming\mssconfigs.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2852
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpB107.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2580
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2784
- - C:\Users\Admin\AppData\Roaming\mssconfigs.exe
    "C:\Users\Admin\AppData\Roaming\mssconfigs.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2780

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\tmpB107.tmp.bat

Filesize
154B

MD5
f7d7b9968d919e14ff4ba275f155dddb

SHA1
f618680a03284f9190608acb8b6b3afe14abd985

SHA256
4c92df0fffddd97287d89aa04e7dace27221a4e43af7f70cc47b153e277dd3fa

SHA512
1b4724432528432f129d19d3d0b3189d66af04036ba4745cf03b07582cfac25bfe1d152bc2f495c126af6d8e2da906a9227c06b4ac0c7472b4aeb79c394127ab

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\mssconfigs.exe

Filesize
140KB

MD5
3cac83c912bfeb780fd1139fd0e7ebb5

SHA1
879031d44a0d018fe96179fdc5af705b0dcc511f

SHA256
d93711daa1ff0f3b63df017fbfd1d2f5bfe264fd77809fe23640614ecb5cd36f

SHA512
cfbd17a958bceaaea738d08d4c5c62ca2001bee9ffaca00de495159314a8f46c182f1b9abf81188bc690c923d3a4cb3b4981f8a520772dc5d04f8338935240fc

Download Submit
memory/1992-0-0x000007FEF6663000-0x000007FEF6664000-memory.dmp

Filesize
4KB

Download
memory/1992-1-0x00000000013A0000-0x00000000013C8000-memory.dmp

Filesize
160KB

Download
memory/1992-3-0x000007FEF6660000-0x000007FEF704C000-memory.dmp

Filesize
9.9MB

Download
memory/1992-11-0x000007FEF6660000-0x000007FEF704C000-memory.dmp

Filesize
9.9MB

Download
memory/1992-14-0x000007FEF6660000-0x000007FEF704C000-memory.dmp

Filesize
9.9MB

Download
memory/2780-18-0x0000000000940000-0x0000000000968000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads