asyncrat | 447eae52ab1979405497866c72df7ec0703085ad6946ab0127f612b1518f8759

General

Target

start.exe
Size

63KB
MD5

c1ade258f05c512e98ebc4d9d1165f8a
SHA1

acf20f6a7dc7841ae06f801b887289fdc99e0488
SHA256

447eae52ab1979405497866c72df7ec0703085ad6946ab0127f612b1518f8759
SHA512

5b652e0ef6293d7baeb7e9d8b79322ec65e98d748e1df492099fa6692d0bbc78f032df68e7028a28af06b5c27394456159351a6469fdaf777e6eb98609331076
SSDEEP

1536:SaKFoNbEkySYKumUYFOy5biAPY0JG4aRjnl7RUr+TG5x:SawoNbEkAKumUYFD5biF0JejxSsCx

Score

10^/10

asyncrat exodus_market rat spyware stealer

Malware Config

Extracted

Family

asyncrat

Version

| Edit 3LOSH RAT

Botnet

Exodus_Market

C2

leetboy.dynuddns.net:1339

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
true
install_file
svchos.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

Processes:

resource	yara_rule
\Users\Admin\AppData\Roaming\svchos.exe	family_asyncrat

Executes dropped EXE 1 IoCs

Processes:

svchos.exe

pid process

2804 svchos.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

3040 cmd.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2576 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2692 timeout.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

start.exesvchos.exe

pid process

2356 start.exe
2356 start.exe
2804 svchos.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

start.exesvchos.exe

description pid process

Token: SeDebugPrivilege 2356 start.exe
Token: SeDebugPrivilege 2804 svchos.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

svchos.exe

pid process

2804 svchos.exe

pid	process
2804	svchos.exe

pid	process
3040	cmd.exe

pid	process
2576	schtasks.exe

pid	process
2692	timeout.exe

pid	process
2356	start.exe
2356	start.exe
2804	svchos.exe

description	pid	process
Token: SeDebugPrivilege	2356	start.exe
Token: SeDebugPrivilege	2804	svchos.exe

pid	process
2804	svchos.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

start.execmd.execmd.exe

description	pid	process	target process
PID 2356 wrote to memory of 2396	2356	start.exe	cmd.exe
PID 2356 wrote to memory of 2396	2356	start.exe	cmd.exe
PID 2356 wrote to memory of 2396	2356	start.exe	cmd.exe
PID 2356 wrote to memory of 2396	2356	start.exe	cmd.exe
PID 2356 wrote to memory of 3040	2356	start.exe	cmd.exe
PID 2356 wrote to memory of 3040	2356	start.exe	cmd.exe
PID 2356 wrote to memory of 3040	2356	start.exe	cmd.exe
PID 2356 wrote to memory of 3040	2356	start.exe	cmd.exe
PID 2396 wrote to memory of 2576	2396	cmd.exe	schtasks.exe
PID 2396 wrote to memory of 2576	2396	cmd.exe	schtasks.exe
PID 2396 wrote to memory of 2576	2396	cmd.exe	schtasks.exe
PID 2396 wrote to memory of 2576	2396	cmd.exe	schtasks.exe
PID 3040 wrote to memory of 2692	3040	cmd.exe	timeout.exe
PID 3040 wrote to memory of 2692	3040	cmd.exe	timeout.exe
PID 3040 wrote to memory of 2692	3040	cmd.exe	timeout.exe
PID 3040 wrote to memory of 2692	3040	cmd.exe	timeout.exe
PID 3040 wrote to memory of 2804	3040	cmd.exe	svchos.exe
PID 3040 wrote to memory of 2804	3040	cmd.exe	svchos.exe
PID 3040 wrote to memory of 2804	3040	cmd.exe	svchos.exe
PID 3040 wrote to memory of 2804	3040	cmd.exe	svchos.exe

C:\Users\Admin\AppData\Local\Temp\start.exe
"C:\Users\Admin\AppData\Local\Temp\start.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchos" /tr '"C:\Users\Admin\AppData\Roaming\svchos.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2396
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "svchos" /tr '"C:\Users\Admin\AppData\Roaming\svchos.exe"'
    3⤵
    - Creates scheduled task(s)
    PID:2576
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp2166.tmp.bat""
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:3040
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2692
- - C:\Users\Admin\AppData\Roaming\svchos.exe
    "C:\Users\Admin\AppData\Roaming\svchos.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2166.tmp.bat

Filesize
150B

MD5
8e96e4a16cb1b534d96e4182bf374bee

SHA1
42aa1a7b71d1304d2aca77e2f975ce196061bc1d

SHA256
bbd62f22f660349f84e1f11e54c93aa0ad42b4a3e41fcc23a1011a988edf42e4

SHA512
b1b694e5813a7a518020155c64aaa0688e99ff2f8b6cfe44ab48edc47421cf4f19f3ace00864f118e6824cb2d2ed438414f42cf1ff5498acb8cab7dc4c5bd913

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

Filesize
63KB

MD5
c1ade258f05c512e98ebc4d9d1165f8a

SHA1
acf20f6a7dc7841ae06f801b887289fdc99e0488

SHA256
447eae52ab1979405497866c72df7ec0703085ad6946ab0127f612b1518f8759

SHA512
5b652e0ef6293d7baeb7e9d8b79322ec65e98d748e1df492099fa6692d0bbc78f032df68e7028a28af06b5c27394456159351a6469fdaf777e6eb98609331076

Download Submit
memory/2356-0-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

Filesize
4KB

Download
memory/2356-1-0x0000000000FB0000-0x0000000000FC6000-memory.dmp

Filesize
88KB

Download
memory/2356-2-0x0000000074AA0000-0x000000007518E000-memory.dmp

Filesize
6.9MB

Download
memory/2356-12-0x0000000074AA0000-0x000000007518E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-16-0x0000000001260000-0x0000000001276000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads