asyncrat | fb680425e6edc0fa4d2fe526cd78d6ec69683fcafe57744993c8b7192b2c0a71

Analysis

max time kernel
150s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/11/2024, 10:14

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General

Target

fb680425e6edc0fa4d2fe526cd78d6ec69683fcafe57744993c8b7192b2c0a71.exe
Size

63KB
MD5

aba726ec9183c855cfa084ee66f49f7f
SHA1

f12f9cf0920b0d3a76bb16027539ba0c13da035d
SHA256

fb680425e6edc0fa4d2fe526cd78d6ec69683fcafe57744993c8b7192b2c0a71
SHA512

a03a1c596e9570c6766d051d76e1a14894852cfa3889dd567f9e187be1055a49479355b8ed3a876a2934308aac945b232c1b206664614b66791ed0cc1f0b5c1f
SSDEEP

1536:NX9rsr4iD7jhBYUbghiLRmuhidpqKmY7:Vh44E77YUbgPGz

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

one-accordance.gl.at.ply.gg:9590

Attributes

delay
1
install
true
install_file
Windows Defender.exe
install_folder
%AppData%

aes.plain

Signatures

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

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral1/files/0x0007000000012117-15.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2788	Windows Defender.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
2636	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
2972	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1660	fb680425e6edc0fa4d2fe526cd78d6ec69683fcafe57744993c8b7192b2c0a71.exe
1660	fb680425e6edc0fa4d2fe526cd78d6ec69683fcafe57744993c8b7192b2c0a71.exe
1660	fb680425e6edc0fa4d2fe526cd78d6ec69683fcafe57744993c8b7192b2c0a71.exe
1660	fb680425e6edc0fa4d2fe526cd78d6ec69683fcafe57744993c8b7192b2c0a71.exe
1660	fb680425e6edc0fa4d2fe526cd78d6ec69683fcafe57744993c8b7192b2c0a71.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe
2788	Windows Defender.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1660	fb680425e6edc0fa4d2fe526cd78d6ec69683fcafe57744993c8b7192b2c0a71.exe
Token: SeDebugPrivilege	2788	Windows Defender.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 2552	1660	fb680425e6edc0fa4d2fe526cd78d6ec69683fcafe57744993c8b7192b2c0a71.exe	29
PID 1660 wrote to memory of 2552	1660	fb680425e6edc0fa4d2fe526cd78d6ec69683fcafe57744993c8b7192b2c0a71.exe	29
PID 1660 wrote to memory of 2552	1660	fb680425e6edc0fa4d2fe526cd78d6ec69683fcafe57744993c8b7192b2c0a71.exe	29
PID 1660 wrote to memory of 2556	1660	fb680425e6edc0fa4d2fe526cd78d6ec69683fcafe57744993c8b7192b2c0a71.exe	31
PID 1660 wrote to memory of 2556	1660	fb680425e6edc0fa4d2fe526cd78d6ec69683fcafe57744993c8b7192b2c0a71.exe	31
PID 1660 wrote to memory of 2556	1660	fb680425e6edc0fa4d2fe526cd78d6ec69683fcafe57744993c8b7192b2c0a71.exe	31
PID 2552 wrote to memory of 2972	2552	cmd.exe	33
PID 2552 wrote to memory of 2972	2552	cmd.exe	33
PID 2552 wrote to memory of 2972	2552	cmd.exe	33
PID 2556 wrote to memory of 2636	2556	cmd.exe	34
PID 2556 wrote to memory of 2636	2556	cmd.exe	34
PID 2556 wrote to memory of 2636	2556	cmd.exe	34
PID 2556 wrote to memory of 2788	2556	cmd.exe	35
PID 2556 wrote to memory of 2788	2556	cmd.exe	35
PID 2556 wrote to memory of 2788	2556	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\fb680425e6edc0fa4d2fe526cd78d6ec69683fcafe57744993c8b7192b2c0a71.exe
"C:\Users\Admin\AppData\Local\Temp\fb680425e6edc0fa4d2fe526cd78d6ec69683fcafe57744993c8b7192b2c0a71.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Windows Defender" /tr '"C:\Users\Admin\AppData\Roaming\Windows Defender.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2552
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "Windows Defender" /tr '"C:\Users\Admin\AppData\Roaming\Windows Defender.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2972
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpFD24.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2636
- - C:\Users\Admin\AppData\Roaming\Windows Defender.exe
    "C:\Users\Admin\AppData\Roaming\Windows Defender.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpFD24.tmp.bat

Filesize
160B

MD5
70b69e1d38be3a43dca6c6634c22a844

SHA1
a014380dc472f487263278010684e8a5a1d5943a

SHA256
d06365a17eb79b64201b3c862748d94af25ae8be5f1a5663c0278ac7e5c7e715

SHA512
3e7e1fc45e4fed2d66970006db3155d642a898839163e1c97f91d6bba4f0d061328e94956b197e5ab998379ce4a58da12b313aea042dd2f945c465f435d3b26b

Download Submit
C:\Users\Admin\AppData\Roaming\Windows Defender.exe

Filesize
63KB

MD5
aba726ec9183c855cfa084ee66f49f7f

SHA1
f12f9cf0920b0d3a76bb16027539ba0c13da035d

SHA256
fb680425e6edc0fa4d2fe526cd78d6ec69683fcafe57744993c8b7192b2c0a71

SHA512
a03a1c596e9570c6766d051d76e1a14894852cfa3889dd567f9e187be1055a49479355b8ed3a876a2934308aac945b232c1b206664614b66791ed0cc1f0b5c1f

Download Submit
memory/1660-0-0x000007FEF5D53000-0x000007FEF5D54000-memory.dmp

Filesize
4KB

Download
memory/1660-1-0x0000000000280000-0x0000000000296000-memory.dmp

Filesize
88KB

Download
memory/1660-2-0x000007FEF5D50000-0x000007FEF673C000-memory.dmp

Filesize
9.9MB

Download
memory/1660-3-0x000007FEF5D50000-0x000007FEF673C000-memory.dmp

Filesize
9.9MB

Download
memory/1660-12-0x000007FEF5D50000-0x000007FEF673C000-memory.dmp

Filesize
9.9MB

Download
memory/2788-17-0x0000000000E70000-0x0000000000E86000-memory.dmp

Filesize
88KB

Download