asyncrat | 087d0d28b3c59e0ac0d169b4ece9c2a47e9bae93f93638d1ae6578adf2f3f858

General

Target

Confirmation Transfer Note MT103-Ref No#01018842234595434.exe
Size

316KB
MD5

1b07fe1263ba5f1b86b09c9b27c1f4de
SHA1

9d18786ec6506ff4f85e6c7a055828898fd59a27
SHA256

daf842129f0a574f2f5cf1147d40ab8e4596b88b9ef228a4516cef5326f8f1ad
SHA512

730875f1e6914ed2b2dbb585d75db63416c3acaaa02217ecbc4d73b2cd64b0865271492c1a04a483b1d521cd799949efa3a5e17c827b03a0c9ab58624d14e29f

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

fresh01.ddns.net:2245

fresh01.ddns.net:2256

fresh01.ddns.net:2257

Mutex

AsyncMutex_6SI8OkPnk

Attributes

anti_vm
false
bsod
false
delay
3
install
false
install_folder
%AppData%
pastebin_config
null

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat

Async RAT payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1728-134-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral2/memory/1728-135-0x000000000040C74E-mapping.dmp	asyncrat

Suspicious use of SetThreadContext 1 IoCs

Processes:

Confirmation Transfer Note MT103-Ref No#01018842234595434.exe

description	pid	process	target process
PID 3780 set thread context of 1728	3780	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
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
T1053

Processes:

schtasks.exe

pid process

1068 schtasks.exe

pid	process
1068	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Confirmation Transfer Note MT103-Ref No#01018842234595434.exepowershell.exe

pid	process
3780	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe
3780	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe
1712	powershell.exe
1712	powershell.exe
1712	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Confirmation Transfer Note MT103-Ref No#01018842234595434.exepowershell.exeConfirmation Transfer Note MT103-Ref No#01018842234595434.exe

description	pid	process
Token: SeDebugPrivilege	3780	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe
Token: SeDebugPrivilege	1712	powershell.exe
Token: SeDebugPrivilege	1728	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Confirmation Transfer Note MT103-Ref No#01018842234595434.exe

description	pid	process	target process
PID 3780 wrote to memory of 1712	3780	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe	powershell.exe
PID 3780 wrote to memory of 1712	3780	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe	powershell.exe
PID 3780 wrote to memory of 1712	3780	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe	powershell.exe
PID 3780 wrote to memory of 1068	3780	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe	schtasks.exe
PID 3780 wrote to memory of 1068	3780	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe	schtasks.exe
PID 3780 wrote to memory of 1068	3780	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe	schtasks.exe
PID 3780 wrote to memory of 1728	3780	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe
PID 3780 wrote to memory of 1728	3780	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe
PID 3780 wrote to memory of 1728	3780	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe
PID 3780 wrote to memory of 1728	3780	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe
PID 3780 wrote to memory of 1728	3780	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe
PID 3780 wrote to memory of 1728	3780	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe
PID 3780 wrote to memory of 1728	3780	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe
PID 3780 wrote to memory of 1728	3780	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe	Confirmation Transfer Note MT103-Ref No#01018842234595434.exe

C:\Users\Admin\AppData\Local\Temp\Confirmation Transfer Note MT103-Ref No#01018842234595434.exe
"C:\Users\Admin\AppData\Local\Temp\Confirmation Transfer Note MT103-Ref No#01018842234595434.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3780

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ohNwECOYU.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1712

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ohNwECOYU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp14BC.tmp"
2⤵
- Creates scheduled task(s)
PID:1068

C:\Users\Admin\AppData\Local\Temp\Confirmation Transfer Note MT103-Ref No#01018842234595434.exe
"C:\Users\Admin\AppData\Local\Temp\Confirmation Transfer Note MT103-Ref No#01018842234595434.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1728

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp14BC.tmp
MD5
16bcfb2292b8abf9ebc3ff9cb1e83b98

SHA1
bd1f4aee6729bc4e9f38249932493053a5ab8c1c

SHA256
b2001a6a3c6c27d1b157618e1678f274bc19d4d71dcf3c81b7ffa988b72ea01a

SHA512
b12f8a70e9e0ea73b5e9c49023a8c494013f96cfdc2b3ec93f51f0307669eee23576aa2a1eacc2aeb06451f2e4c59cdf9de174f440d59460f400ee34b49309bf

Download Submit
memory/1068-128-0x0000000000000000-mapping.dmp

Download
memory/1712-145-0x00000000082D0000-0x00000000082D1000-memory.dmp

Filesize
4KB

Download
memory/1712-236-0x000000007F410000-0x000000007F411000-memory.dmp

Filesize
4KB

Download
memory/1712-237-0x0000000004903000-0x0000000004904000-memory.dmp

Filesize
4KB

Download
memory/1712-138-0x0000000007230000-0x0000000007231000-memory.dmp

Filesize
4KB

Download
memory/1712-167-0x00000000095A0000-0x00000000095A1000-memory.dmp

Filesize
4KB

Download
memory/1712-166-0x00000000093E0000-0x00000000093E1000-memory.dmp

Filesize
4KB

Download
memory/1712-139-0x0000000007960000-0x0000000007961000-memory.dmp

Filesize
4KB

Download
memory/1712-161-0x0000000009050000-0x0000000009051000-memory.dmp

Filesize
4KB

Download
memory/1712-129-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

Filesize
4KB

Download
memory/1712-130-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

Filesize
4KB

Download
memory/1712-154-0x00000000092B0000-0x00000000092E3000-memory.dmp

Filesize
204KB

Download
memory/1712-132-0x00000000047C0000-0x00000000047C1000-memory.dmp

Filesize
4KB

Download
memory/1712-133-0x0000000007330000-0x0000000007331000-memory.dmp

Filesize
4KB

Download
memory/1712-147-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

Filesize
4KB

Download
memory/1712-146-0x00000000083A0000-0x00000000083A1000-memory.dmp

Filesize
4KB

Download
memory/1712-144-0x0000000007A60000-0x0000000007A61000-memory.dmp

Filesize
4KB

Download
memory/1712-127-0x0000000000000000-mapping.dmp

Download
memory/1712-142-0x0000000004902000-0x0000000004903000-memory.dmp

Filesize
4KB

Download
memory/1712-141-0x00000000079D0000-0x00000000079D1000-memory.dmp

Filesize
4KB

Download
memory/1712-140-0x0000000004900000-0x0000000004901000-memory.dmp

Filesize
4KB

Download
memory/1712-143-0x0000000007C20000-0x0000000007C21000-memory.dmp

Filesize
4KB

Download
memory/1728-238-0x0000000004DF0000-0x0000000004DF1000-memory.dmp

Filesize
4KB

Download
memory/1728-134-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1728-135-0x000000000040C74E-mapping.dmp

Download
memory/3780-122-0x0000000004AA0000-0x0000000004F9E000-memory.dmp

Filesize
5.0MB

Download
memory/3780-118-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/3780-120-0x0000000004FA0000-0x0000000004FA1000-memory.dmp

Filesize
4KB

Download
memory/3780-121-0x0000000004AA0000-0x0000000004AA1000-memory.dmp

Filesize
4KB

Download
memory/3780-126-0x00000000080C0000-0x00000000080E9000-memory.dmp

Filesize
164KB

Download
memory/3780-125-0x0000000007FF0000-0x0000000007FF1000-memory.dmp

Filesize
4KB

Download
memory/3780-124-0x0000000004BB0000-0x0000000004BB7000-memory.dmp

Filesize
28KB

Download
memory/3780-123-0x00000000025F0000-0x00000000025F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads