asyncrat | d9e41149e26ccf42ca76a9de47760f6b60f945d9a7286e2c3116dde321c2b53c

General

Target

5637387ab7560ab5b55504b75427b020N.exe
Size

51KB
MD5

5637387ab7560ab5b55504b75427b020
SHA1

1d98f29eaa287e6f574a022bd2aee5c7e1db7b32
SHA256

d9e41149e26ccf42ca76a9de47760f6b60f945d9a7286e2c3116dde321c2b53c
SHA512

9f23eeeecadf58e5bba5860a0732c2959a4352f72941569e136a8082d2a500a08542ca44cc3248e06b7749a1fca538d76175aba6c0d8ed20a8cf17b75afbaec2
SSDEEP

1536:Ouqw9T9xt2joXK5oqkX8KPbQ6aQ+kmG1dSq:Ouq8T9xt2MXCo7X8KPbQQ+5Ywq

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

127.0.0.1:1313

127.0.0.1:11671

education-fragrance.gl.at.ply.gg:6606

education-fragrance.gl.at.ply.gg:7707

education-fragrance.gl.at.ply.gg:8808

education-fragrance.gl.at.ply.gg:1313

education-fragrance.gl.at.ply.gg:11671

Mutex

meRjguwJQzIR

Attributes

delay
3
install
true
install_file
AHK.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/0x000f000000011b9c-13.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2628	AHK.exe

Loads dropped DLL 1 IoCs

pid	Process
2580	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
2672	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
2604	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2528	5637387ab7560ab5b55504b75427b020N.exe
2528	5637387ab7560ab5b55504b75427b020N.exe
2528	5637387ab7560ab5b55504b75427b020N.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2528	5637387ab7560ab5b55504b75427b020N.exe
Token: SeDebugPrivilege	2628	AHK.exe
Token: SeDebugPrivilege	2628	AHK.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2748	2528	5637387ab7560ab5b55504b75427b020N.exe	31
PID 2528 wrote to memory of 2748	2528	5637387ab7560ab5b55504b75427b020N.exe	31
PID 2528 wrote to memory of 2748	2528	5637387ab7560ab5b55504b75427b020N.exe	31
PID 2528 wrote to memory of 2748	2528	5637387ab7560ab5b55504b75427b020N.exe	31
PID 2528 wrote to memory of 2580	2528	5637387ab7560ab5b55504b75427b020N.exe	33
PID 2528 wrote to memory of 2580	2528	5637387ab7560ab5b55504b75427b020N.exe	33
PID 2528 wrote to memory of 2580	2528	5637387ab7560ab5b55504b75427b020N.exe	33
PID 2528 wrote to memory of 2580	2528	5637387ab7560ab5b55504b75427b020N.exe	33
PID 2748 wrote to memory of 2604	2748	cmd.exe	35
PID 2748 wrote to memory of 2604	2748	cmd.exe	35
PID 2748 wrote to memory of 2604	2748	cmd.exe	35
PID 2748 wrote to memory of 2604	2748	cmd.exe	35
PID 2580 wrote to memory of 2672	2580	cmd.exe	36
PID 2580 wrote to memory of 2672	2580	cmd.exe	36
PID 2580 wrote to memory of 2672	2580	cmd.exe	36
PID 2580 wrote to memory of 2672	2580	cmd.exe	36
PID 2580 wrote to memory of 2628	2580	cmd.exe	37
PID 2580 wrote to memory of 2628	2580	cmd.exe	37
PID 2580 wrote to memory of 2628	2580	cmd.exe	37
PID 2580 wrote to memory of 2628	2580	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\5637387ab7560ab5b55504b75427b020N.exe
"C:\Users\Admin\AppData\Local\Temp\5637387ab7560ab5b55504b75427b020N.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "AHK" /tr '"C:\Users\Admin\AppData\Roaming\AHK.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2748
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "AHK" /tr '"C:\Users\Admin\AppData\Roaming\AHK.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2604
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp1E2B.tmp.bat""
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2580
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2672
- - C:\Users\Admin\AppData\Roaming\AHK.exe
    "C:\Users\Admin\AppData\Roaming\AHK.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2628

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1E2B.tmp.bat

Filesize
147B

MD5
df4f5b46930084ff2571ab479c8d35c8

SHA1
58b0920906b39bde83fdd289d7ee1929aaf2d742

SHA256
033922115a01ce0e1379356c50bb6dcab25b0c3b3a7a18dda5be7737b9580a70

SHA512
ccd709736fa344f107499f643af9d5ef54ee2da27b536301ec403409acba9e4ea7c72fcfa961e0e47e677bb7d447051b6d283d5342a8e83ea07bfba42d988492

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

Filesize
51KB

MD5
5637387ab7560ab5b55504b75427b020

SHA1
1d98f29eaa287e6f574a022bd2aee5c7e1db7b32

SHA256
d9e41149e26ccf42ca76a9de47760f6b60f945d9a7286e2c3116dde321c2b53c

SHA512
9f23eeeecadf58e5bba5860a0732c2959a4352f72941569e136a8082d2a500a08542ca44cc3248e06b7749a1fca538d76175aba6c0d8ed20a8cf17b75afbaec2

Download Submit
memory/2528-0-0x000000007434E000-0x000000007434F000-memory.dmp

Filesize
4KB

Download
memory/2528-1-0x0000000000E20000-0x0000000000E32000-memory.dmp

Filesize
72KB

Download
memory/2528-2-0x0000000074340000-0x0000000074A2E000-memory.dmp

Filesize
6.9MB

Download
memory/2528-11-0x0000000074340000-0x0000000074A2E000-memory.dmp

Filesize
6.9MB

Download
memory/2628-16-0x0000000000870000-0x0000000000882000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads