asyncrat | bab521830c4069c60079884232777609ad392d385f323981eefb2c949a55d41b

General

Target

MulitiTool.exe
Size

63KB
MD5

867d3df9508a810a4b6498db145508ce
SHA1

f7321cd91e4de91b7da39d5a2d25f126a77f6eb0
SHA256

bab521830c4069c60079884232777609ad392d385f323981eefb2c949a55d41b
SHA512

06e039153a01549534b62efb8e9a4d0bc57bc22b050a9822edf5cf42d2c77400657f73fd4ea4a9632e0cbb62d638e9983adaecd180d9d9835093c2874ad51712
SSDEEP

1536:HeQPcppS/QdATajykrW+UYUbZ39jLayBuIdpqKmY7:HeDqomYUbZZ1Gz

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

comment-mar.gl.at.ply.gg:7052

Attributes

delay
1
install
true
install_file
regedit.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

Processes:

resource	yara_rule
behavioral1/files/0x000a000000012263-15.dat	family_asyncrat

Executes dropped EXE 1 IoCs

Processes:

regedit.exe

pid	Process
1708	regedit.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

Processes:

timeout.exe

pid	Process
2696	timeout.exe

Runs regedit.exe 1 IoCs

Processes:

regedit.exe

pid	Process
1708	regedit.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

Processes:

schtasks.exe

pid	Process
2932	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

MulitiTool.exeregedit.exe

pid	Process
2956	MulitiTool.exe
2956	MulitiTool.exe
2956	MulitiTool.exe
2956	MulitiTool.exe
2956	MulitiTool.exe
1708	regedit.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

MulitiTool.exeregedit.exe

description	pid	Process
Token: SeDebugPrivilege	2956	MulitiTool.exe
Token: SeDebugPrivilege	1708	regedit.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

MulitiTool.execmd.execmd.exe

description	pid	Process	procid_target
PID 2956 wrote to memory of 2948	2956	MulitiTool.exe	30
PID 2956 wrote to memory of 2948	2956	MulitiTool.exe	30
PID 2956 wrote to memory of 2948	2956	MulitiTool.exe	30
PID 2956 wrote to memory of 2812	2956	MulitiTool.exe	32
PID 2956 wrote to memory of 2812	2956	MulitiTool.exe	32
PID 2956 wrote to memory of 2812	2956	MulitiTool.exe	32
PID 2948 wrote to memory of 2932	2948	cmd.exe	34
PID 2948 wrote to memory of 2932	2948	cmd.exe	34
PID 2948 wrote to memory of 2932	2948	cmd.exe	34
PID 2812 wrote to memory of 2696	2812	cmd.exe	35
PID 2812 wrote to memory of 2696	2812	cmd.exe	35
PID 2812 wrote to memory of 2696	2812	cmd.exe	35
PID 2812 wrote to memory of 1708	2812	cmd.exe	36
PID 2812 wrote to memory of 1708	2812	cmd.exe	36
PID 2812 wrote to memory of 1708	2812	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\MulitiTool.exe
"C:\Users\Admin\AppData\Local\Temp\MulitiTool.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "regedit" /tr '"C:\Users\Admin\AppData\Roaming\regedit.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2948
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "regedit" /tr '"C:\Users\Admin\AppData\Roaming\regedit.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2932
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp6AE3.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2812
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2696
- - C:\Users\Admin\AppData\Roaming\regedit.exe
    "C:\Users\Admin\AppData\Roaming\regedit.exe"
    3⤵
    - Executes dropped EXE
    - Runs regedit.exe
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1708

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\tmp6AE3.tmp.bat

Filesize
151B

MD5
0c906861a9c44a7adb061ef20a3ba94f

SHA1
54980d7bd37c8dcc1dee3e5c13fe65253c11f2e0

SHA256
6cb6861815c251d1c7f1c47168aebd59155a0c0eb2cffaa5d117132f5dfc85a5

SHA512
cd89060ec7aeb3e1c3b53caabcb0d28d56a93fa1d046aac4c69d5689735116aab925321e95123a63bfbce193e358e5ae72574f45b4466de453947efa0b9ff7d6

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

Filesize
63KB

MD5
867d3df9508a810a4b6498db145508ce

SHA1
f7321cd91e4de91b7da39d5a2d25f126a77f6eb0

SHA256
bab521830c4069c60079884232777609ad392d385f323981eefb2c949a55d41b

SHA512
06e039153a01549534b62efb8e9a4d0bc57bc22b050a9822edf5cf42d2c77400657f73fd4ea4a9632e0cbb62d638e9983adaecd180d9d9835093c2874ad51712

Download Submit
memory/1708-17-0x0000000001160000-0x0000000001176000-memory.dmp

Filesize
88KB

Download
memory/2956-0-0x000007FEF53F3000-0x000007FEF53F4000-memory.dmp

Filesize
4KB

Download
memory/2956-1-0x0000000000DE0000-0x0000000000DF6000-memory.dmp

Filesize
88KB

Download
memory/2956-2-0x000007FEF53F0000-0x000007FEF5DDC000-memory.dmp

Filesize
9.9MB

Download
memory/2956-3-0x000007FEF53F0000-0x000007FEF5DDC000-memory.dmp

Filesize
9.9MB

Download
memory/2956-12-0x000007FEF53F0000-0x000007FEF5DDC000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads