asyncrat | 337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02

General

Target

337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe
Size

2.8MB
MD5

ded1097db12e28f8b14cd2077d0a1039
SHA1

f564162a97cbb5b9061ff37aeede038a0c7011b1
SHA256

337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02
SHA512

7e18442ce496faad20ae3c883e936c8e0a282ba4497bb329c301f00dff817b94681510b0504614b549358bc85f7007663bc56c9fe2f9096fbf05a333e0772492
SSDEEP

49152:yUTAlU6Bv0dm6kEh8PmNTUQUft8PX6uEhqnDm/gAARSoWc8oppFi7rJqhL6dnFk8:ymAlHc3hbNYLmPX6uEhqnDm/gAA81Yin

Score

10^/10

asyncrat agosto 16 discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

agosto 16

C2

perezedc95.duckdns.org:4040

Mutex

firewallrtfghyulgsmmkliyrefdswaqbloi

Attributes

delay
15
install
false
install_file
firewall
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\CiscoScanner = "C:\\Users\\Admin\\Pictures\\Cisco\\CiscoScanner.exe"	337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3024 set thread context of 2756	3024	337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 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	337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	csc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 2756	3024	337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe	30
PID 3024 wrote to memory of 2756	3024	337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe	30
PID 3024 wrote to memory of 2756	3024	337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe	30
PID 3024 wrote to memory of 2756	3024	337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe	30
PID 3024 wrote to memory of 2756	3024	337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe	30
PID 3024 wrote to memory of 2756	3024	337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe	30

C:\Users\Admin\AppData\Local\Temp\337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe
"C:\Users\Admin\AppData\Local\Temp\337a0dff907453cd0d54ac5ecf32647e65862a3022c214ddbca0403975536b02.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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\Cab33EE.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2756-9-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2756-13-0x0000000073B3E000-0x0000000073B3F000-memory.dmp

Filesize
4KB

Download
memory/2756-16-0x0000000073B30000-0x000000007421E000-memory.dmp

Filesize
6.9MB

Download
memory/2756-6-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2756-5-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2756-4-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2756-11-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2756-15-0x0000000073B30000-0x000000007421E000-memory.dmp

Filesize
6.9MB

Download
memory/3024-12-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/3024-1-0x0000000000408000-0x0000000000422000-memory.dmp

Filesize
104KB

Download
memory/3024-14-0x0000000000408000-0x0000000000422000-memory.dmp

Filesize
104KB

Download
memory/3024-2-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/3024-3-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/3024-0-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads