asyncrat | 13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002

General

Target

13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
Size

61KB
MD5

e8f092c92b88c98f7e66375312c776f4
SHA1

0406eeebc18ccef058f0e9f6ff5f12622dc48a18
SHA256

13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002
SHA512

9f898c18af00bcb56213e659c4ea655d0bed349c5f5d76b8c8031fcb0da7f81e391d63950b091a0caaebf2e25eaf39d27c92b830bfb49a6d2a0bd53a1d233a7e
SSDEEP

1536:8F8JsI94/CcIAjBNQz3bMPSBLg7ms0LDABNEx+:m8JsZCcIANNQz3bM4uNdBNEE

Score

10^/10

asyncrat discovery rat

Malware Config

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/0x0030000000018b71-13.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2808	girlshelpgirls1.exe

Loads dropped DLL 1 IoCs

pid	Process
2920	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	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	girlshelpgirls1.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3044	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
2776	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2268	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
2268	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
2268	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2268	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
Token: SeDebugPrivilege	2808	girlshelpgirls1.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 3032	2268	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe	30
PID 2268 wrote to memory of 3032	2268	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe	30
PID 2268 wrote to memory of 3032	2268	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe	30
PID 2268 wrote to memory of 3032	2268	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe	30
PID 2268 wrote to memory of 2920	2268	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe	32
PID 2268 wrote to memory of 2920	2268	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe	32
PID 2268 wrote to memory of 2920	2268	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe	32
PID 2268 wrote to memory of 2920	2268	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe	32
PID 3032 wrote to memory of 2776	3032	cmd.exe	34
PID 3032 wrote to memory of 2776	3032	cmd.exe	34
PID 3032 wrote to memory of 2776	3032	cmd.exe	34
PID 3032 wrote to memory of 2776	3032	cmd.exe	34
PID 2920 wrote to memory of 3044	2920	cmd.exe	35
PID 2920 wrote to memory of 3044	2920	cmd.exe	35
PID 2920 wrote to memory of 3044	2920	cmd.exe	35
PID 2920 wrote to memory of 3044	2920	cmd.exe	35
PID 2920 wrote to memory of 2808	2920	cmd.exe	36
PID 2920 wrote to memory of 2808	2920	cmd.exe	36
PID 2920 wrote to memory of 2808	2920	cmd.exe	36
PID 2920 wrote to memory of 2808	2920	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
"C:\Users\Admin\AppData\Local\Temp\13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "girlshelpgirls1" /tr '"C:\Users\Admin\AppData\Roaming\girlshelpgirls1.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3032
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "girlshelpgirls1" /tr '"C:\Users\Admin\AppData\Roaming\girlshelpgirls1.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2776
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpA093.tmp.bat""
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2920
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3044
- - C:\Users\Admin\AppData\Roaming\girlshelpgirls1.exe
    "C:\Users\Admin\AppData\Roaming\girlshelpgirls1.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2808

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\tmpA093.tmp.bat

Filesize
159B

MD5
2994b6438d24d5068816e33fe3f3f251

SHA1
5c1e6f4066c514be1d619ad3ad633db114b8d89a

SHA256
d813b8fcdeee8911c45e241d1b8455887b11c3c2cdbb452c9e8e793288eebe59

SHA512
eefbbdf5ab03237dc306ccfe8892d5d8d10a4d05d2f7234cea7805631b9743f0720632edd4085b6fd898fdc74cd4966c5562ba30251ca6ae237f48e8398cd069

Download Submit
\Users\Admin\AppData\Roaming\girlshelpgirls1.exe

Filesize
61KB

MD5
e8f092c92b88c98f7e66375312c776f4

SHA1
0406eeebc18ccef058f0e9f6ff5f12622dc48a18

SHA256
13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002

SHA512
9f898c18af00bcb56213e659c4ea655d0bed349c5f5d76b8c8031fcb0da7f81e391d63950b091a0caaebf2e25eaf39d27c92b830bfb49a6d2a0bd53a1d233a7e

Download Submit
memory/2268-0-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/2268-1-0x0000000000B90000-0x0000000000BA6000-memory.dmp

Filesize
88KB

Download
memory/2268-2-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/2268-12-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/2808-16-0x00000000003F0000-0x0000000000406000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads