asyncrat | c43396cd1bd4199d544b2abbcc33d5f06af2807258bce6010912efefc6adb0ba

General

Target

c43396cd1bd4199d544b2abbcc33d5f06af2807258bce6010912efefc6adb0ba.exe
Size

73KB
MD5

7317d31ebc5ee785cf499951c5a6593b
SHA1

b49ac40311cb40fe70d5457c73fb998b6830b809
SHA256

c43396cd1bd4199d544b2abbcc33d5f06af2807258bce6010912efefc6adb0ba
SHA512

c6288511576dfc631ac32f27b750c713d5f71bb4cbcbc2939f5718476b04ba1a82fe318898dac80f9c7f8a8bae74cdc6e6b00246148e122471af968fae8a1328
SSDEEP

1536:TU1gcxe1eHCZWPMVKe9VdQkhDIyH1bf/paLQzc33VclN:TUKcxe1ayWPMVKe9VdQgH1bfoQSlY

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

86.208.62.200:4449

Mutex

ixdcghsoqhisxhak

Attributes

delay
1
install
true
install_file
test.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/1288-1-0x0000000000D00000-0x0000000000D16000-memory.dmp	VenomRAT
behavioral1/files/0x0008000000016d43-15.dat	VenomRAT
behavioral1/memory/2260-19-0x0000000000CC0000-0x0000000000CD6000-memory.dmp	VenomRAT

Executes dropped EXE 1 IoCs

pid	Process
2260	test.exe

Loads dropped DLL 1 IoCs

pid	Process
1284	cmd.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
2824	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
2740	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1288	c43396cd1bd4199d544b2abbcc33d5f06af2807258bce6010912efefc6adb0ba.exe
1288	c43396cd1bd4199d544b2abbcc33d5f06af2807258bce6010912efefc6adb0ba.exe
1288	c43396cd1bd4199d544b2abbcc33d5f06af2807258bce6010912efefc6adb0ba.exe
2260	test.exe
2260	test.exe
2260	test.exe
2260	test.exe
2260	test.exe
2260	test.exe
2260	test.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1288	c43396cd1bd4199d544b2abbcc33d5f06af2807258bce6010912efefc6adb0ba.exe
Token: SeDebugPrivilege	2260	test.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2260	test.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 1992	1288	c43396cd1bd4199d544b2abbcc33d5f06af2807258bce6010912efefc6adb0ba.exe	31
PID 1288 wrote to memory of 1992	1288	c43396cd1bd4199d544b2abbcc33d5f06af2807258bce6010912efefc6adb0ba.exe	31
PID 1288 wrote to memory of 1992	1288	c43396cd1bd4199d544b2abbcc33d5f06af2807258bce6010912efefc6adb0ba.exe	31
PID 1288 wrote to memory of 1284	1288	c43396cd1bd4199d544b2abbcc33d5f06af2807258bce6010912efefc6adb0ba.exe	32
PID 1288 wrote to memory of 1284	1288	c43396cd1bd4199d544b2abbcc33d5f06af2807258bce6010912efefc6adb0ba.exe	32
PID 1288 wrote to memory of 1284	1288	c43396cd1bd4199d544b2abbcc33d5f06af2807258bce6010912efefc6adb0ba.exe	32
PID 1992 wrote to memory of 2740	1992	cmd.exe	35
PID 1992 wrote to memory of 2740	1992	cmd.exe	35
PID 1992 wrote to memory of 2740	1992	cmd.exe	35
PID 1284 wrote to memory of 2824	1284	cmd.exe	36
PID 1284 wrote to memory of 2824	1284	cmd.exe	36
PID 1284 wrote to memory of 2824	1284	cmd.exe	36
PID 1284 wrote to memory of 2260	1284	cmd.exe	37
PID 1284 wrote to memory of 2260	1284	cmd.exe	37
PID 1284 wrote to memory of 2260	1284	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\c43396cd1bd4199d544b2abbcc33d5f06af2807258bce6010912efefc6adb0ba.exe
"C:\Users\Admin\AppData\Local\Temp\c43396cd1bd4199d544b2abbcc33d5f06af2807258bce6010912efefc6adb0ba.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1288
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "test" /tr '"C:\Users\Admin\AppData\Roaming\test.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1992
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "test" /tr '"C:\Users\Admin\AppData\Roaming\test.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2740
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpD2C9.tmp.bat""
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1284
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2824
- - C:\Users\Admin\AppData\Roaming\test.exe
    "C:\Users\Admin\AppData\Roaming\test.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2260

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD2C9.tmp.bat

Filesize
148B

MD5
5c2b1e17de741888ee8187d94d0e6844

SHA1
d65db5878374c142e2519e8c09ef31540ba961b6

SHA256
8e27473286e19f2799cee70e5e288fc4da12e925859453f06b53a6445982107f

SHA512
13f8d270aaebe6dd811517bdf0d56ec62de2348f3cbe563bf6353b5ad00448e375ad423640f8a9215a0f36251df340f8e0a8cad814e31a1efc5c87748ccd1b82

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

Filesize
8B

MD5
cf759e4c5f14fe3eec41b87ed756cea8

SHA1
c27c796bb3c2fac929359563676f4ba1ffada1f5

SHA256
c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

SHA512
c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

Download Submit
\Users\Admin\AppData\Roaming\test.exe

Filesize
73KB

MD5
7317d31ebc5ee785cf499951c5a6593b

SHA1
b49ac40311cb40fe70d5457c73fb998b6830b809

SHA256
c43396cd1bd4199d544b2abbcc33d5f06af2807258bce6010912efefc6adb0ba

SHA512
c6288511576dfc631ac32f27b750c713d5f71bb4cbcbc2939f5718476b04ba1a82fe318898dac80f9c7f8a8bae74cdc6e6b00246148e122471af968fae8a1328

Download Submit
memory/1288-0-0x000007FEF56B3000-0x000007FEF56B4000-memory.dmp

Filesize
4KB

Download
memory/1288-1-0x0000000000D00000-0x0000000000D16000-memory.dmp

Filesize
88KB

Download
memory/1288-3-0x000007FEF56B0000-0x000007FEF609C000-memory.dmp

Filesize
9.9MB

Download
memory/1288-11-0x000007FEF56B0000-0x000007FEF609C000-memory.dmp

Filesize
9.9MB

Download
memory/1288-13-0x000007FEF56B0000-0x000007FEF609C000-memory.dmp

Filesize
9.9MB

Download
memory/2260-19-0x0000000000CC0000-0x0000000000CD6000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads