asyncrat | e8fa87ca61975dd06856634213396736a9596b1b8f589f18ccb9eae2bfc34e0c

General

Target

12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe
Size

294KB
MD5

12919d04474c942ae2690a6524ca2f63
SHA1

4def81bc9bbe31b516d920d3927e97c9436d62e1
SHA256

e8fa87ca61975dd06856634213396736a9596b1b8f589f18ccb9eae2bfc34e0c
SHA512

14d5a4f9f1f26f38ec231e70792b448655c230b448708933564b73fb07acadc33b2c24d71814491e9817ed51fde748d9c0b3bc688f9a80dc72fd1a64e12fd3b3
SSDEEP

6144:6yWuZc8Nwe2jYN4VbCw81EkwyhGYGlqy45YPfe:dWuZc8QjYGVb/81EXtol

Score

10^/10

asyncrat discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.6A

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

127.0.0.1:5050

185.165.153.251:6606

185.165.153.251:7707

185.165.153.251:8808

185.165.153.251:5050

Mutex

ckkckoudmgh

Attributes

delay
5
install
false
install_folder
%AppData%

aes.plain

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1936 set thread context of 2020	1936	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe	88

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	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1936	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe
1936	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe
1936	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe
2020	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1936	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe
Token: SeDebugPrivilege	2020	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 3060	1936	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe	87
PID 1936 wrote to memory of 3060	1936	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe	87
PID 1936 wrote to memory of 3060	1936	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe	87
PID 1936 wrote to memory of 2020	1936	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe	88
PID 1936 wrote to memory of 2020	1936	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe	88
PID 1936 wrote to memory of 2020	1936	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe	88
PID 1936 wrote to memory of 2020	1936	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe	88
PID 1936 wrote to memory of 2020	1936	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe	88
PID 1936 wrote to memory of 2020	1936	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe	88
PID 1936 wrote to memory of 2020	1936	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe	88
PID 1936 wrote to memory of 2020	1936	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:3060
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1936-8-0x0000000004BC0000-0x0000000004BC8000-memory.dmp

Filesize
32KB

Download
memory/1936-10-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/1936-2-0x0000000004A50000-0x0000000004AEC000-memory.dmp

Filesize
624KB

Download
memory/1936-9-0x00000000743CE000-0x00000000743CF000-memory.dmp

Filesize
4KB

Download
memory/1936-4-0x0000000004AF0000-0x0000000004B82000-memory.dmp

Filesize
584KB

Download
memory/1936-5-0x0000000004A30000-0x0000000004A3A000-memory.dmp

Filesize
40KB

Download
memory/1936-6-0x0000000004BF0000-0x0000000004C46000-memory.dmp

Filesize
344KB

Download
memory/1936-7-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/1936-1-0x0000000000170000-0x00000000001C0000-memory.dmp

Filesize
320KB

Download
memory/1936-0-0x00000000743CE000-0x00000000743CF000-memory.dmp

Filesize
4KB

Download
memory/1936-3-0x00000000050A0000-0x0000000005644000-memory.dmp

Filesize
5.6MB

Download
memory/1936-11-0x00000000058F0000-0x0000000005922000-memory.dmp

Filesize
200KB

Download
memory/1936-12-0x0000000005920000-0x0000000005934000-memory.dmp

Filesize
80KB

Download
memory/1936-16-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/2020-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2020-15-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/2020-17-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/2020-18-0x0000000004FA0000-0x0000000005006000-memory.dmp

Filesize
408KB

Download
memory/2020-19-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download

Analysis

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