asyncrat | fb7649dccc42200527879f8f34eacb68479dde81c1fec24c75dc974cac37e0c0

General

Target

SenoxPermSpoofer.exe
Size

66KB
MD5

c8e8287c2b1d18e37a6ac07f507ca836
SHA1

4e5d2f99740477a0c06b00049e59e1bfbefb65c7
SHA256

fb7649dccc42200527879f8f34eacb68479dde81c1fec24c75dc974cac37e0c0
SHA512

9ce42e8488004bfe321c532437f3ff175fd0af28b94c6742f13934ac18c1f52828d8bdf54d7391bdea041f077670fd8d03957da85469e518dbe6f600893d707e
SSDEEP

1536:O5w/ntlY+c6ENTTIUK3TIU0KvGbbbwEoxv7GI9+9999999d999b999K9y96J999F:O5w/ntlY+c6ENTTIbTIU0gGbbbbKv2zY

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

127.0.0.1:8848

Mutex

safe

Attributes

delay
1
install
true
install_file
Senox Perm Spoofer.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
C:\Users\Admin\AppData\Roaming\Senox Perm Spoofer.exe	family_asyncrat

Executes dropped EXE 1 IoCs

Processes:

Senox Perm Spoofer.exe

pid process

2852 Senox Perm Spoofer.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

2728 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

Processes:

schtasks.exe

pid process

2692 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

SenoxPermSpoofer.exe

pid process

1788 SenoxPermSpoofer.exe
1788 SenoxPermSpoofer.exe
1788 SenoxPermSpoofer.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SenoxPermSpoofer.exeSenox Perm Spoofer.exe

description pid process

Token: SeDebugPrivilege 1788 SenoxPermSpoofer.exe
Token: SeDebugPrivilege 2852 Senox Perm Spoofer.exe

pid	process
2852	Senox Perm Spoofer.exe

pid	process
2728	timeout.exe

pid	process
2692	schtasks.exe

pid	process
1788	SenoxPermSpoofer.exe
1788	SenoxPermSpoofer.exe
1788	SenoxPermSpoofer.exe

description	pid	process
Token: SeDebugPrivilege	1788	SenoxPermSpoofer.exe
Token: SeDebugPrivilege	2852	Senox Perm Spoofer.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

SenoxPermSpoofer.execmd.execmd.exe

description	pid	process	target process
PID 1788 wrote to memory of 2508	1788	SenoxPermSpoofer.exe	cmd.exe
PID 1788 wrote to memory of 2508	1788	SenoxPermSpoofer.exe	cmd.exe
PID 1788 wrote to memory of 2508	1788	SenoxPermSpoofer.exe	cmd.exe
PID 1788 wrote to memory of 2920	1788	SenoxPermSpoofer.exe	cmd.exe
PID 1788 wrote to memory of 2920	1788	SenoxPermSpoofer.exe	cmd.exe
PID 1788 wrote to memory of 2920	1788	SenoxPermSpoofer.exe	cmd.exe
PID 2508 wrote to memory of 2692	2508	cmd.exe	schtasks.exe
PID 2508 wrote to memory of 2692	2508	cmd.exe	schtasks.exe
PID 2508 wrote to memory of 2692	2508	cmd.exe	schtasks.exe
PID 2920 wrote to memory of 2728	2920	cmd.exe	timeout.exe
PID 2920 wrote to memory of 2728	2920	cmd.exe	timeout.exe
PID 2920 wrote to memory of 2728	2920	cmd.exe	timeout.exe
PID 2920 wrote to memory of 2852	2920	cmd.exe	Senox Perm Spoofer.exe
PID 2920 wrote to memory of 2852	2920	cmd.exe	Senox Perm Spoofer.exe
PID 2920 wrote to memory of 2852	2920	cmd.exe	Senox Perm Spoofer.exe

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\SenoxPermSpoofer.exe
"C:\Users\Admin\AppData\Local\Temp\SenoxPermSpoofer.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1788

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Senox Perm Spoofer" /tr '"C:\Users\Admin\AppData\Roaming\Senox Perm Spoofer.exe"' & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2508

C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "Senox Perm Spoofer" /tr '"C:\Users\Admin\AppData\Roaming\Senox Perm Spoofer.exe"'
3⤵
- Scheduled Task/Job: Scheduled Task
PID:2692

C:\Windows\system32\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpB08A.tmp.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:2920

C:\Windows\system32\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:2728

C:\Users\Admin\AppData\Roaming\Senox Perm Spoofer.exe
"C:\Users\Admin\AppData\Roaming\Senox Perm Spoofer.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2852

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\tmpB08A.tmp.bat

Filesize
162B

MD5
c6b82a8b1be0dd7e671a89440fe801c4

SHA1
a02cad4043069001dc2b4552b5bea3330791d56b

SHA256
ba527288a8b9fc015a3955586e78c9aec42dc5663db7405a7ea9fcbf363de889

SHA512
e4e4a8fa294f3ef6eda14bd18642cff681bfed1628eac038079b9c28c0670951e8261ad31e0657b8a7cc52b4e0f13df35955b403d1ac3c1311a751593bca3c31

Download Submit
C:\Users\Admin\AppData\Roaming\Senox Perm Spoofer.exe

Filesize
66KB

MD5
c8e8287c2b1d18e37a6ac07f507ca836

SHA1
4e5d2f99740477a0c06b00049e59e1bfbefb65c7

SHA256
fb7649dccc42200527879f8f34eacb68479dde81c1fec24c75dc974cac37e0c0

SHA512
9ce42e8488004bfe321c532437f3ff175fd0af28b94c6742f13934ac18c1f52828d8bdf54d7391bdea041f077670fd8d03957da85469e518dbe6f600893d707e

Download Submit
memory/1788-0-0x000007FEF5D13000-0x000007FEF5D14000-memory.dmp

Filesize
4KB

Download
memory/1788-1-0x0000000000A80000-0x0000000000A96000-memory.dmp

Filesize
88KB

Download
memory/1788-2-0x000007FEF5D10000-0x000007FEF66FC000-memory.dmp

Filesize
9.9MB

Download
memory/1788-3-0x000007FEF5D10000-0x000007FEF66FC000-memory.dmp

Filesize
9.9MB

Download
memory/1788-12-0x000007FEF5D10000-0x000007FEF66FC000-memory.dmp

Filesize
9.9MB

Download
memory/2852-17-0x0000000000DE0000-0x0000000000DF6000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads