asyncrat | f079245e344d5949ad5ea9de866853a65460834f7d26980346ceafe8b4e6b5bb

General

Target

tryagainplease.exe
Size

47KB
MD5

be8251a986712feb5dfa8ce58aefd8ba
SHA1

4f6397e432799421ae91000bf01ef16b24e8ccf9
SHA256

f079245e344d5949ad5ea9de866853a65460834f7d26980346ceafe8b4e6b5bb
SHA512

8169b0875ad4813107ccdb75b1fa4facba0c46a426325ee67cf84d32d4ed85d1ab582ee3e3bc5a297208cf076d88ca774c946e3e3c3e23940a01514098f5859f
SSDEEP

768:8uQKNTREhzxrWUXrm5mo2q7+XhN6DuP1DgPIdKol0bdyMt7raUVY4Klp7LBDZkx:8uQKNTR+W24DuPrdKoSbdPpraEYTJdkx

Score

10^/10

asyncrat default discovery 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

127.0.0.1:23198

benefits-required.gl.at.ply.gg:6606

benefits-required.gl.at.ply.gg:7707

benefits-required.gl.at.ply.gg:8808

benefits-required.gl.at.ply.gg:23198

Mutex

GLldzQVwvajy

Attributes

delay
3
install
true
install_file
roar.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/0x0005000000010300-13.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2588	roar.exe

Loads dropped DLL 1 IoCs

pid	Process
2876	cmd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tryagainplease.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	roar.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2744	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
2736	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2924	tryagainplease.exe
2924	tryagainplease.exe
2924	tryagainplease.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2924	tryagainplease.exe
Token: SeDebugPrivilege	2588	roar.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 2704	2924	tryagainplease.exe	31
PID 2924 wrote to memory of 2704	2924	tryagainplease.exe	31
PID 2924 wrote to memory of 2704	2924	tryagainplease.exe	31
PID 2924 wrote to memory of 2704	2924	tryagainplease.exe	31
PID 2924 wrote to memory of 2876	2924	tryagainplease.exe	33
PID 2924 wrote to memory of 2876	2924	tryagainplease.exe	33
PID 2924 wrote to memory of 2876	2924	tryagainplease.exe	33
PID 2924 wrote to memory of 2876	2924	tryagainplease.exe	33
PID 2704 wrote to memory of 2736	2704	cmd.exe	35
PID 2704 wrote to memory of 2736	2704	cmd.exe	35
PID 2704 wrote to memory of 2736	2704	cmd.exe	35
PID 2704 wrote to memory of 2736	2704	cmd.exe	35
PID 2876 wrote to memory of 2744	2876	cmd.exe	36
PID 2876 wrote to memory of 2744	2876	cmd.exe	36
PID 2876 wrote to memory of 2744	2876	cmd.exe	36
PID 2876 wrote to memory of 2744	2876	cmd.exe	36
PID 2876 wrote to memory of 2588	2876	cmd.exe	37
PID 2876 wrote to memory of 2588	2876	cmd.exe	37
PID 2876 wrote to memory of 2588	2876	cmd.exe	37
PID 2876 wrote to memory of 2588	2876	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\tryagainplease.exe
"C:\Users\Admin\AppData\Local\Temp\tryagainplease.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "roar" /tr '"C:\Users\Admin\AppData\Roaming\roar.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2704
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "roar" /tr '"C:\Users\Admin\AppData\Roaming\roar.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2736
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp2378.tmp.bat""
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2876
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2744
- - C:\Users\Admin\AppData\Roaming\roar.exe
    "C:\Users\Admin\AppData\Roaming\roar.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2588

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2378.tmp.bat

Filesize
148B

MD5
e4248abcab56ce35cf423da8a31ab9f2

SHA1
a477d8fec9d8072af14e691d2c65099782873758

SHA256
c942b78c5c4ad37f6a5780a9d8664d1e063e1d1691c3a07fdc965112a5813a93

SHA512
a172324f77356c087e27d19db98dc456ec23c876d446aee5e1239b95242d6e25e4058e418b5dd4af7cfdae737e6cad0c4e84654b1e9bf86d9bdc1d1c058db344

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

Filesize
47KB

MD5
be8251a986712feb5dfa8ce58aefd8ba

SHA1
4f6397e432799421ae91000bf01ef16b24e8ccf9

SHA256
f079245e344d5949ad5ea9de866853a65460834f7d26980346ceafe8b4e6b5bb

SHA512
8169b0875ad4813107ccdb75b1fa4facba0c46a426325ee67cf84d32d4ed85d1ab582ee3e3bc5a297208cf076d88ca774c946e3e3c3e23940a01514098f5859f

Download Submit
memory/2588-16-0x0000000000900000-0x0000000000912000-memory.dmp

Filesize
72KB

Download
memory/2924-1-0x0000000001350000-0x0000000001362000-memory.dmp

Filesize
72KB

Download
memory/2924-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

Filesize
4KB

Download
memory/2924-2-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/2924-11-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads