asyncrat | c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c

General

Target

3b3329be5d126e62ea8d68e39c4b31ef.exe
Size

339KB
MD5

3b3329be5d126e62ea8d68e39c4b31ef
SHA1

18c7b121b0b4a303ad797374a1bbc6756364379c
SHA256

c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c
SHA512

70079c6e87e7a7e1754c8ea5848f06dc4512226fd87a5b677716e41844ac0ba2bda81e6885ad3555b3ed2432ac3830e427564d09d41dd1ec3d27a7c3eb77d02a
SSDEEP

6144:UukEhlxtM+hkmVvIF9OLTulOuVIYfeVrwGZy50uSvOKaxuAyEOEFMy0:U5utTx+s+50u/KmuAagr

Score

10^/10

asyncrat neq rat spyware stealer

Malware Config

Extracted

Family

asyncrat

Version

AWS | 3Losh

Botnet

neq

C2

goodone.loseyourip.com:6606

goodone.loseyourip.com:7707

goodone.loseyourip.com:8808

Mutex

AsyncMutex_adnocxxs

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Suspicious use of SetThreadContext 1 IoCs

Processes:

3b3329be5d126e62ea8d68e39c4b31ef.exe

description pid process target process

PID 2348 set thread context of 2628 2348 3b3329be5d126e62ea8d68e39c4b31ef.exe RegAsm.exe
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2720 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

RegAsm.exe

pid process

2628 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

3b3329be5d126e62ea8d68e39c4b31ef.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 2348 3b3329be5d126e62ea8d68e39c4b31ef.exe
Token: SeDebugPrivilege 2628 RegAsm.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegAsm.exe

pid process

2628 RegAsm.exe

description	pid	process	target process
PID 2348 set thread context of 2628	2348	3b3329be5d126e62ea8d68e39c4b31ef.exe	RegAsm.exe

pid	process
2720	schtasks.exe

pid	process
2628	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2348	3b3329be5d126e62ea8d68e39c4b31ef.exe
Token: SeDebugPrivilege	2628	RegAsm.exe

pid	process
2628	RegAsm.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

3b3329be5d126e62ea8d68e39c4b31ef.exe

description	pid	process	target process
PID 2348 wrote to memory of 2628	2348	3b3329be5d126e62ea8d68e39c4b31ef.exe	RegAsm.exe
PID 2348 wrote to memory of 2628	2348	3b3329be5d126e62ea8d68e39c4b31ef.exe	RegAsm.exe
PID 2348 wrote to memory of 2628	2348	3b3329be5d126e62ea8d68e39c4b31ef.exe	RegAsm.exe
PID 2348 wrote to memory of 2628	2348	3b3329be5d126e62ea8d68e39c4b31ef.exe	RegAsm.exe
PID 2348 wrote to memory of 2628	2348	3b3329be5d126e62ea8d68e39c4b31ef.exe	RegAsm.exe
PID 2348 wrote to memory of 2628	2348	3b3329be5d126e62ea8d68e39c4b31ef.exe	RegAsm.exe
PID 2348 wrote to memory of 2628	2348	3b3329be5d126e62ea8d68e39c4b31ef.exe	RegAsm.exe
PID 2348 wrote to memory of 2628	2348	3b3329be5d126e62ea8d68e39c4b31ef.exe	RegAsm.exe
PID 2348 wrote to memory of 2628	2348	3b3329be5d126e62ea8d68e39c4b31ef.exe	RegAsm.exe
PID 2348 wrote to memory of 2628	2348	3b3329be5d126e62ea8d68e39c4b31ef.exe	RegAsm.exe
PID 2348 wrote to memory of 2628	2348	3b3329be5d126e62ea8d68e39c4b31ef.exe	RegAsm.exe
PID 2348 wrote to memory of 2628	2348	3b3329be5d126e62ea8d68e39c4b31ef.exe	RegAsm.exe
PID 2348 wrote to memory of 2720	2348	3b3329be5d126e62ea8d68e39c4b31ef.exe	schtasks.exe
PID 2348 wrote to memory of 2720	2348	3b3329be5d126e62ea8d68e39c4b31ef.exe	schtasks.exe
PID 2348 wrote to memory of 2720	2348	3b3329be5d126e62ea8d68e39c4b31ef.exe	schtasks.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\3b3329be5d126e62ea8d68e39c4b31ef.exe
"C:\Users\Admin\AppData\Local\Temp\3b3329be5d126e62ea8d68e39c4b31ef.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2348

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2628

C:\Windows\system32\schtasks.exe
"schtasks.exe" /Create /SC MINUTE /MO 14 /TN "DivideShift" /TR "C:\Users\Admin\AppData\Roaming\Ex32_Sequence\3b3329be5d126e62ea8d68e39c4b31ef.exe" /F
2⤵
- Creates scheduled task(s)
PID:2720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/2348-0-0x000007FEF5DD3000-0x000007FEF5DD4000-memory.dmp

Filesize
4KB

Download
memory/2348-1-0x00000000003B0000-0x000000000040C000-memory.dmp

Filesize
368KB

Download
memory/2348-2-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

Filesize
9.9MB

Download
memory/2348-3-0x0000000000590000-0x000000000059A000-memory.dmp

Filesize
40KB

Download
memory/2348-19-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

Filesize
9.9MB

Download
memory/2628-17-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2628-6-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2628-15-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2628-13-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2628-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2628-10-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2628-8-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2628-4-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads