asyncrat | 20126f0e6a271df71f9ab0838c03bb6554b106773f66fb9c28eb7bf4e685399d

General

Target

f8111a92842e5e377c21f38d3f355911.exe
Size

303KB
MD5

f8111a92842e5e377c21f38d3f355911
SHA1

6a5d2c528430b1ff8813fc01c522b5a4b6cf4494
SHA256

20126f0e6a271df71f9ab0838c03bb6554b106773f66fb9c28eb7bf4e685399d
SHA512

aed02a61ffc1567d12ac05a8d5b32c7c8635059dd2713e2b8cd5e0a434c46618ae9f7cc528e09c862e8d5228471e6a67533c19545d05683fd642cdb237d8ec15

Score

10^/10

asyncrat rat

Malware Config

Signatures

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

Async RAT payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/676-63-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/676-64-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/676-65-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/676-66-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Suspicious use of SetThreadContext 1 IoCs

Processes:

f8111a92842e5e377c21f38d3f355911.exe

description pid process target process

PID 948 set thread context of 676 948 f8111a92842e5e377c21f38d3f355911.exe f8111a92842e5e377c21f38d3f355911.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

624 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

1096 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1096 powershell.exe

description	pid	process	target process
PID 948 set thread context of 676	948	f8111a92842e5e377c21f38d3f355911.exe	f8111a92842e5e377c21f38d3f355911.exe

pid	process
624	schtasks.exe

pid	process
1096	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1096	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

f8111a92842e5e377c21f38d3f355911.exe

description	pid	process	target process
PID 948 wrote to memory of 1096	948	f8111a92842e5e377c21f38d3f355911.exe	powershell.exe
PID 948 wrote to memory of 1096	948	f8111a92842e5e377c21f38d3f355911.exe	powershell.exe
PID 948 wrote to memory of 1096	948	f8111a92842e5e377c21f38d3f355911.exe	powershell.exe
PID 948 wrote to memory of 1096	948	f8111a92842e5e377c21f38d3f355911.exe	powershell.exe
PID 948 wrote to memory of 624	948	f8111a92842e5e377c21f38d3f355911.exe	schtasks.exe
PID 948 wrote to memory of 624	948	f8111a92842e5e377c21f38d3f355911.exe	schtasks.exe
PID 948 wrote to memory of 624	948	f8111a92842e5e377c21f38d3f355911.exe	schtasks.exe
PID 948 wrote to memory of 624	948	f8111a92842e5e377c21f38d3f355911.exe	schtasks.exe
PID 948 wrote to memory of 676	948	f8111a92842e5e377c21f38d3f355911.exe	f8111a92842e5e377c21f38d3f355911.exe
PID 948 wrote to memory of 676	948	f8111a92842e5e377c21f38d3f355911.exe	f8111a92842e5e377c21f38d3f355911.exe
PID 948 wrote to memory of 676	948	f8111a92842e5e377c21f38d3f355911.exe	f8111a92842e5e377c21f38d3f355911.exe
PID 948 wrote to memory of 676	948	f8111a92842e5e377c21f38d3f355911.exe	f8111a92842e5e377c21f38d3f355911.exe
PID 948 wrote to memory of 676	948	f8111a92842e5e377c21f38d3f355911.exe	f8111a92842e5e377c21f38d3f355911.exe
PID 948 wrote to memory of 676	948	f8111a92842e5e377c21f38d3f355911.exe	f8111a92842e5e377c21f38d3f355911.exe
PID 948 wrote to memory of 676	948	f8111a92842e5e377c21f38d3f355911.exe	f8111a92842e5e377c21f38d3f355911.exe
PID 948 wrote to memory of 676	948	f8111a92842e5e377c21f38d3f355911.exe	f8111a92842e5e377c21f38d3f355911.exe
PID 948 wrote to memory of 676	948	f8111a92842e5e377c21f38d3f355911.exe	f8111a92842e5e377c21f38d3f355911.exe

C:\Users\Admin\AppData\Local\Temp\f8111a92842e5e377c21f38d3f355911.exe
"C:\Users\Admin\AppData\Local\Temp\f8111a92842e5e377c21f38d3f355911.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:948

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DmmczBXpJ.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1096

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DmmczBXpJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp902F.tmp"
2⤵
- Creates scheduled task(s)
PID:624

C:\Users\Admin\AppData\Local\Temp\f8111a92842e5e377c21f38d3f355911.exe
"C:\Users\Admin\AppData\Local\Temp\f8111a92842e5e377c21f38d3f355911.exe"
2⤵
PID:676

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp902F.tmp
MD5
dc7a858aee39b45f0aaa75608bd189b2

SHA1
4e3877603b049c499dc7afa060362e463db358e3

SHA256
65ad62f95487f17f5f69945907a7635781b8db31c20947532f3f4e727cd7a78f

SHA512
c5fba4762227dc982f58dfe9a394523435b6f4bd7cbfcb315b945146761d9e2b8e89311b4854b4363b48536a7e350f6235be018a88b98cbca78aa3950c11665a

Download Submit
memory/676-64-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/676-61-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/676-62-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/676-63-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/676-65-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/676-66-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/676-69-0x0000000002060000-0x0000000002061000-memory.dmp

Filesize
4KB

Download
memory/948-56-0x0000000004D10000-0x0000000004D11000-memory.dmp

Filesize
4KB

Download
memory/948-57-0x00000000003E0000-0x00000000003F6000-memory.dmp

Filesize
88KB

Download
memory/948-58-0x00000000009C0000-0x00000000009F8000-memory.dmp

Filesize
224KB

Download
memory/948-55-0x0000000075B51000-0x0000000075B53000-memory.dmp

Filesize
8KB

Download
memory/948-54-0x0000000000BA0000-0x0000000000BF2000-memory.dmp

Filesize
328KB

Download
memory/1096-67-0x0000000002530000-0x000000000317A000-memory.dmp

Filesize
12.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads