asyncrat | dac7bd63e97eca95db8f8a4997d9e00f058239229c59869fb1151db6be452c8e

General

Target

bd6117aae6da215e0a1925626c4c83e0N.exe
Size

63KB
MD5

bd6117aae6da215e0a1925626c4c83e0
SHA1

2acc947247289cc1eb8458961e05bbb87d4bf030
SHA256

dac7bd63e97eca95db8f8a4997d9e00f058239229c59869fb1151db6be452c8e
SHA512

17dd2bf6cc481a3e6f53bb9ec3c98f1edb873e4516d6dd20d25e22acc9d5243f06096923bebc2c1a8adde13d6174f4162472f1ed411902b49015c30954ed83af
SSDEEP

1536:ghWRpM16zMsN2eeiIVrGbbXwEho3GWDpqKmY7:ghWRpM16/NveXGbbXvhqgz

Score

10^/10

asyncrat venom clients rat

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

Venom Clients

C2

127.0.0.1:4449

192.168.1.10:4449

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

Attributes

delay
1
install
true
install_file
new.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/0x0007000000012119-15.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2764	new.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
2716	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
1864	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2704	bd6117aae6da215e0a1925626c4c83e0N.exe
2704	bd6117aae6da215e0a1925626c4c83e0N.exe
2704	bd6117aae6da215e0a1925626c4c83e0N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	bd6117aae6da215e0a1925626c4c83e0N.exe
Token: SeDebugPrivilege	2764	new.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 2556	2704	bd6117aae6da215e0a1925626c4c83e0N.exe	30
PID 2704 wrote to memory of 2556	2704	bd6117aae6da215e0a1925626c4c83e0N.exe	30
PID 2704 wrote to memory of 2556	2704	bd6117aae6da215e0a1925626c4c83e0N.exe	30
PID 2704 wrote to memory of 1984	2704	bd6117aae6da215e0a1925626c4c83e0N.exe	32
PID 2704 wrote to memory of 1984	2704	bd6117aae6da215e0a1925626c4c83e0N.exe	32
PID 2704 wrote to memory of 1984	2704	bd6117aae6da215e0a1925626c4c83e0N.exe	32
PID 2556 wrote to memory of 1864	2556	cmd.exe	34
PID 2556 wrote to memory of 1864	2556	cmd.exe	34
PID 2556 wrote to memory of 1864	2556	cmd.exe	34
PID 1984 wrote to memory of 2716	1984	cmd.exe	35
PID 1984 wrote to memory of 2716	1984	cmd.exe	35
PID 1984 wrote to memory of 2716	1984	cmd.exe	35
PID 1984 wrote to memory of 2764	1984	cmd.exe	36
PID 1984 wrote to memory of 2764	1984	cmd.exe	36
PID 1984 wrote to memory of 2764	1984	cmd.exe	36

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\bd6117aae6da215e0a1925626c4c83e0N.exe
"C:\Users\Admin\AppData\Local\Temp\bd6117aae6da215e0a1925626c4c83e0N.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "new" /tr '"C:\Users\Admin\AppData\Roaming\new.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "new" /tr '"C:\Users\Admin\AppData\Roaming\new.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1864
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpC439.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1984
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2716
- - C:\Users\Admin\AppData\Roaming\new.exe
    "C:\Users\Admin\AppData\Roaming\new.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2764

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\tmpC439.tmp.bat

Filesize
147B

MD5
cbf746ec4779be05713dce643893f34a

SHA1
bc0634af122cf4c7ab3a2cea0f592aff93d687a3

SHA256
423e4285a9836e9474f5c9dbbffaf0518bda42550c607b94bbdd9815daeffcf0

SHA512
d97fe97321e02225a9f1d212e3de23899469b810ab88dfa74fd65911bdcc2b07092b47224cf52bc1da8e07ebbeaf684c09c840c65e85e0d5cd950a3018555c89

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

Filesize
63KB

MD5
bd6117aae6da215e0a1925626c4c83e0

SHA1
2acc947247289cc1eb8458961e05bbb87d4bf030

SHA256
dac7bd63e97eca95db8f8a4997d9e00f058239229c59869fb1151db6be452c8e

SHA512
17dd2bf6cc481a3e6f53bb9ec3c98f1edb873e4516d6dd20d25e22acc9d5243f06096923bebc2c1a8adde13d6174f4162472f1ed411902b49015c30954ed83af

Download Submit
memory/2704-0-0x000007FEF5163000-0x000007FEF5164000-memory.dmp

Filesize
4KB

Download
memory/2704-1-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2704-2-0x000007FEF5160000-0x000007FEF5B4C000-memory.dmp

Filesize
9.9MB

Download
memory/2704-3-0x000007FEF5160000-0x000007FEF5B4C000-memory.dmp

Filesize
9.9MB

Download
memory/2704-12-0x000007FEF5160000-0x000007FEF5B4C000-memory.dmp

Filesize
9.9MB

Download
memory/2764-17-0x0000000000070000-0x0000000000086000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads