asyncrat | ca5dcc8bf1430114a69380f98308370834dc864ba041a9508eca080fa1d3fa60

General

Target

telegram-Number-TOOL.exe
Size

140KB
MD5

acecccd9b38ba794a692a9de0856859c
SHA1

07129ec32682a27d66a040e4ba3d833b9a0c35df
SHA256

ca5dcc8bf1430114a69380f98308370834dc864ba041a9508eca080fa1d3fa60
SHA512

f26696aa239ef96834f3d3d5173197a7cc9b190522ddbd05e09bd72dc87d7c30a9929a04f8c38f767db90a3c76aa588e5a25c435a3db3b37410d3fbf6fec812e
SSDEEP

1536:nUKgcxybQCHWPMVgfa9iI2H1bC/PA/fmQzc5ugdPTLVclN:nUjcxyEkWPMVgfBH1bC6+QpsBY

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

147.185.221.21:6643

147.185.221.21:5552

Mutex

wviykvrredoqeatxrwy

Attributes

delay
1
install
true
install_file
telegram-Number-TOOL.exe
install_folder
%AppData%

aes.plain

Signatures

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

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral1/files/0x0037000000015f4d-16.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2716	telegram-Number-TOOL.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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
2708	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
2768	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2300	telegram-Number-TOOL.exe
2716	telegram-Number-TOOL.exe
2716	telegram-Number-TOOL.exe
2716	telegram-Number-TOOL.exe
2716	telegram-Number-TOOL.exe
2716	telegram-Number-TOOL.exe
2716	telegram-Number-TOOL.exe
2716	telegram-Number-TOOL.exe
2716	telegram-Number-TOOL.exe
2716	telegram-Number-TOOL.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	telegram-Number-TOOL.exe
Token: SeDebugPrivilege	2716	telegram-Number-TOOL.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2716	telegram-Number-TOOL.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 1936	2300	telegram-Number-TOOL.exe	29
PID 2300 wrote to memory of 1936	2300	telegram-Number-TOOL.exe	29
PID 2300 wrote to memory of 1936	2300	telegram-Number-TOOL.exe	29
PID 2300 wrote to memory of 2264	2300	telegram-Number-TOOL.exe	31
PID 2300 wrote to memory of 2264	2300	telegram-Number-TOOL.exe	31
PID 2300 wrote to memory of 2264	2300	telegram-Number-TOOL.exe	31
PID 2264 wrote to memory of 2708	2264	cmd.exe	33
PID 2264 wrote to memory of 2708	2264	cmd.exe	33
PID 2264 wrote to memory of 2708	2264	cmd.exe	33
PID 1936 wrote to memory of 2768	1936	cmd.exe	34
PID 1936 wrote to memory of 2768	1936	cmd.exe	34
PID 1936 wrote to memory of 2768	1936	cmd.exe	34
PID 2264 wrote to memory of 2716	2264	cmd.exe	35
PID 2264 wrote to memory of 2716	2264	cmd.exe	35
PID 2264 wrote to memory of 2716	2264	cmd.exe	35

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\telegram-Number-TOOL.exe
"C:\Users\Admin\AppData\Local\Temp\telegram-Number-TOOL.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "telegram-Number-TOOL" /tr '"C:\Users\Admin\AppData\Roaming\telegram-Number-TOOL.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1936
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "telegram-Number-TOOL" /tr '"C:\Users\Admin\AppData\Roaming\telegram-Number-TOOL.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2768
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpAD4F.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2264
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2708
- - C:\Users\Admin\AppData\Roaming\telegram-Number-TOOL.exe
    "C:\Users\Admin\AppData\Roaming\telegram-Number-TOOL.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2716

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

2

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\CabEA51.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarD168.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAD4F.tmp.bat

Filesize
164B

MD5
cf82dbfce2926f3ae765e2c89a10bb8d

SHA1
aadcff57c14164b06b37faa561c0212901dd41c7

SHA256
5eb749bf4141754420399f1787ea691cbb3f9cdab1cb12db6d73b54618f73d20

SHA512
9659d1c80c34210a4dc299ec9214d64ec48c78f8a71e70bcd187542c359660c01a205dbee439868c4eac81236fc3e74fa4474c27c8260af7a2be29863780c7f8

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\telegram-Number-TOOL.exe

Filesize
140KB

MD5
acecccd9b38ba794a692a9de0856859c

SHA1
07129ec32682a27d66a040e4ba3d833b9a0c35df

SHA256
ca5dcc8bf1430114a69380f98308370834dc864ba041a9508eca080fa1d3fa60

SHA512
f26696aa239ef96834f3d3d5173197a7cc9b190522ddbd05e09bd72dc87d7c30a9929a04f8c38f767db90a3c76aa588e5a25c435a3db3b37410d3fbf6fec812e

Download Submit
memory/2300-0-0x000007FEF63B3000-0x000007FEF63B4000-memory.dmp

Filesize
4KB

Download
memory/2300-1-0x0000000000D80000-0x0000000000DA8000-memory.dmp

Filesize
160KB

Download
memory/2300-3-0x000007FEF63B0000-0x000007FEF6D9C000-memory.dmp

Filesize
9.9MB

Download
memory/2300-12-0x000007FEF63B0000-0x000007FEF6D9C000-memory.dmp

Filesize
9.9MB

Download
memory/2300-14-0x000007FEF63B0000-0x000007FEF6D9C000-memory.dmp

Filesize
9.9MB

Download
memory/2716-18-0x0000000000AD0000-0x0000000000AF8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads