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
behavioral2/files/0x0008000000023c98-11.dat	family_asyncrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe

Executes dropped EXE 1 IoCs

pid	Process
1552	girlshelpgirls1.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
2108	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
4092	schtasks.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
Token: SeDebugPrivilege	1552	girlshelpgirls1.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1236 wrote to memory of 2204	1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe	83
PID 1236 wrote to memory of 2204	1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe	83
PID 1236 wrote to memory of 2204	1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe	83
PID 1236 wrote to memory of 4140	1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe	85
PID 1236 wrote to memory of 4140	1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe	85
PID 1236 wrote to memory of 4140	1236	13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe	85
PID 4140 wrote to memory of 2108	4140	cmd.exe	87
PID 4140 wrote to memory of 2108	4140	cmd.exe	87
PID 4140 wrote to memory of 2108	4140	cmd.exe	87
PID 2204 wrote to memory of 4092	2204	cmd.exe	88
PID 2204 wrote to memory of 4092	2204	cmd.exe	88
PID 2204 wrote to memory of 4092	2204	cmd.exe	88
PID 4140 wrote to memory of 1552	4140	cmd.exe	89
PID 4140 wrote to memory of 1552	4140	cmd.exe	89
PID 4140 wrote to memory of 1552	4140	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe
"C:\Users\Admin\AppData\Local\Temp\13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1236
- 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:2204
- - 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:4092
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpAA98.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4140
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2108
- - 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:1552

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

2

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\tmpAA98.tmp.bat

Filesize
159B

MD5
6a09cd09982ad1bfd509d9a02e9e3291

SHA1
6f443e0e9588a8bbb90721b9d5b9058362b8e2b0

SHA256
d187ec3d901eddb2f1813e0bdf8e59b433d8cdb99866f3caf9584e17e1a576d7

SHA512
c9fb7be778c805fb255f8b8fff51d02f6b9f6a9fffd72a61c0f9d7a8a37eb2287f30125fe82efac8088e73febb48230d4aefcf44430af0abd64eafa43fbe42c9

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

Filesize
61KB

MD5
e8f092c92b88c98f7e66375312c776f4

SHA1
0406eeebc18ccef058f0e9f6ff5f12622dc48a18

SHA256
13adad156cf78c9e407cf0880c217553ef40d3cc0a667a3304d69f5fb5b72002

SHA512
9f898c18af00bcb56213e659c4ea655d0bed349c5f5d76b8c8031fcb0da7f81e391d63950b091a0caaebf2e25eaf39d27c92b830bfb49a6d2a0bd53a1d233a7e

Download Submit
memory/1236-0-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

Filesize
4KB

Download
memory/1236-1-0x0000000000770000-0x0000000000786000-memory.dmp

Filesize
88KB

Download
memory/1236-2-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/1236-3-0x0000000005180000-0x000000000521C000-memory.dmp

Filesize
624KB

Download
memory/1236-9-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/1552-13-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/1552-14-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads