asyncrat | 9e67211ceec280aedb01a69a61241af34c484be69c160313408309c56a59214a

General

Target

New Purchase Order.exe
Size

287KB
MD5

072c089d4dbca02a4ae028d984f4cc03
SHA1

3bd3b2dd8b8876c64bf528ee503c5ff2a893f897
SHA256

4c66ebb40e5abd92b6a6985e8409116c5424ebb9af0c320cbafb031698e5022c
SHA512

3f2988a4f256e1b4cb07af531798d7d3bd445f27a81aecf15f200cc8aa1c2fdaff591e9865965468d651a7d578808550dfba95d959d74eb7a1abd3c667af67ac

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

freshg.ddns.net:2256

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
true
install_file
logs.exe
install_folder
%AppData%

aes.plain

Signatures

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

Async RAT payload 9 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1952-60-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1952-61-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1952-62-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1952-63-0x000000000040C72E-mapping.dmp	asyncrat
behavioral1/memory/1952-65-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1952-67-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1000-89-0x000000000040C72E-mapping.dmp	asyncrat
behavioral1/memory/1000-93-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1000-95-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Executes dropped EXE 2 IoCs

Processes:

logs.exelogs.exe

pid process

1484 logs.exe
1000 logs.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

108 cmd.exe

pid	process
1484	logs.exe
1000	logs.exe

pid	process
108	cmd.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

New Purchase Order.exelogs.exe

description	pid	process	target process
PID 632 set thread context of 1952	632	New Purchase Order.exe	New Purchase Order.exe
PID 1484 set thread context of 1000	1484	logs.exe	logs.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

1652 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2024 timeout.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

New Purchase Order.exePowershell.exeNew Purchase Order.exelogs.exePowershell.exe

pid process

632 New Purchase Order.exe
632 New Purchase Order.exe
1268 Powershell.exe
1952 New Purchase Order.exe
1484 logs.exe
1484 logs.exe
1844 Powershell.exe

pid	process
1652	schtasks.exe

pid	process
2024	timeout.exe

pid	process
632	New Purchase Order.exe
632	New Purchase Order.exe
1268	Powershell.exe
1952	New Purchase Order.exe
1484	logs.exe
1484	logs.exe
1844	Powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

New Purchase Order.exePowershell.exeNew Purchase Order.exelogs.exePowershell.exelogs.exe

description	pid	process
Token: SeDebugPrivilege	632	New Purchase Order.exe
Token: SeDebugPrivilege	1268	Powershell.exe
Token: SeDebugPrivilege	1952	New Purchase Order.exe
Token: SeDebugPrivilege	1484	logs.exe
Token: SeDebugPrivilege	1844	Powershell.exe
Token: SeDebugPrivilege	1000	logs.exe

Suspicious use of WriteProcessMemory 46 IoCs

Processes:

New Purchase Order.exeNew Purchase Order.execmd.execmd.exelogs.exe

description	pid	process	target process
PID 632 wrote to memory of 1952	632	New Purchase Order.exe	New Purchase Order.exe
PID 632 wrote to memory of 1952	632	New Purchase Order.exe	New Purchase Order.exe
PID 632 wrote to memory of 1952	632	New Purchase Order.exe	New Purchase Order.exe
PID 632 wrote to memory of 1952	632	New Purchase Order.exe	New Purchase Order.exe
PID 632 wrote to memory of 1952	632	New Purchase Order.exe	New Purchase Order.exe
PID 632 wrote to memory of 1952	632	New Purchase Order.exe	New Purchase Order.exe
PID 632 wrote to memory of 1952	632	New Purchase Order.exe	New Purchase Order.exe
PID 632 wrote to memory of 1952	632	New Purchase Order.exe	New Purchase Order.exe
PID 632 wrote to memory of 1952	632	New Purchase Order.exe	New Purchase Order.exe
PID 632 wrote to memory of 1268	632	New Purchase Order.exe	Powershell.exe
PID 632 wrote to memory of 1268	632	New Purchase Order.exe	Powershell.exe
PID 632 wrote to memory of 1268	632	New Purchase Order.exe	Powershell.exe
PID 632 wrote to memory of 1268	632	New Purchase Order.exe	Powershell.exe
PID 1952 wrote to memory of 268	1952	New Purchase Order.exe	cmd.exe
PID 1952 wrote to memory of 268	1952	New Purchase Order.exe	cmd.exe
PID 1952 wrote to memory of 268	1952	New Purchase Order.exe	cmd.exe
PID 1952 wrote to memory of 268	1952	New Purchase Order.exe	cmd.exe
PID 1952 wrote to memory of 108	1952	New Purchase Order.exe	cmd.exe
PID 1952 wrote to memory of 108	1952	New Purchase Order.exe	cmd.exe
PID 1952 wrote to memory of 108	1952	New Purchase Order.exe	cmd.exe
PID 1952 wrote to memory of 108	1952	New Purchase Order.exe	cmd.exe
PID 268 wrote to memory of 1652	268	cmd.exe	schtasks.exe
PID 268 wrote to memory of 1652	268	cmd.exe	schtasks.exe
PID 268 wrote to memory of 1652	268	cmd.exe	schtasks.exe
PID 268 wrote to memory of 1652	268	cmd.exe	schtasks.exe
PID 108 wrote to memory of 2024	108	cmd.exe	timeout.exe
PID 108 wrote to memory of 2024	108	cmd.exe	timeout.exe
PID 108 wrote to memory of 2024	108	cmd.exe	timeout.exe
PID 108 wrote to memory of 2024	108	cmd.exe	timeout.exe
PID 108 wrote to memory of 1484	108	cmd.exe	logs.exe
PID 108 wrote to memory of 1484	108	cmd.exe	logs.exe
PID 108 wrote to memory of 1484	108	cmd.exe	logs.exe
PID 108 wrote to memory of 1484	108	cmd.exe	logs.exe
PID 1484 wrote to memory of 1000	1484	logs.exe	logs.exe
PID 1484 wrote to memory of 1000	1484	logs.exe	logs.exe
PID 1484 wrote to memory of 1000	1484	logs.exe	logs.exe
PID 1484 wrote to memory of 1000	1484	logs.exe	logs.exe
PID 1484 wrote to memory of 1000	1484	logs.exe	logs.exe
PID 1484 wrote to memory of 1000	1484	logs.exe	logs.exe
PID 1484 wrote to memory of 1000	1484	logs.exe	logs.exe
PID 1484 wrote to memory of 1000	1484	logs.exe	logs.exe
PID 1484 wrote to memory of 1000	1484	logs.exe	logs.exe
PID 1484 wrote to memory of 1844	1484	logs.exe	Powershell.exe
PID 1484 wrote to memory of 1844	1484	logs.exe	Powershell.exe
PID 1484 wrote to memory of 1844	1484	logs.exe	Powershell.exe
PID 1484 wrote to memory of 1844	1484	logs.exe	Powershell.exe

C:\Users\Admin\AppData\Local\Temp\New Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\New Purchase Order.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:632

C:\Users\Admin\AppData\Local\Temp\New Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\New Purchase Order.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1952

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "logs" /tr '"C:\Users\Admin\AppData\Roaming\logs.exe"' & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:268

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "logs" /tr '"C:\Users\Admin\AppData\Roaming\logs.exe"'
4⤵
- Creates scheduled task(s)
PID:1652

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp453B.tmp.bat""
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:108

C:\Windows\SysWOW64\timeout.exe
timeout 3
4⤵
- Delays execution with timeout.exe
PID:2024

C:\Users\Admin\AppData\Roaming\logs.exe
"C:\Users\Admin\AppData\Roaming\logs.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1484

C:\Users\Admin\AppData\Roaming\logs.exe
"C:\Users\Admin\AppData\Roaming\logs.exe"
5⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1000

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell" Add-MpPreference -ExclusionPath '"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\VideoLAN\vlc.exe"'
5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1844

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell" Add-MpPreference -ExclusionPath '"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\VideoLAN\vlc.exe"'
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1268

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp453B.tmp.bat
Filesize
148B

MD5
188c7442bd2ebd07bf49cdcf27843bb1

SHA1
ce079285611588d049d61b025ec7d93769ef459b

SHA256
a7fcc05c29c3dadf0242c91d1b0331070655352d265191e7e1287e9e0e72fccc

SHA512
33064212209cbef63e81d27ac91dbf6367e087a2fdd83ab13d0faa4264d07d6d4a2490c6b0150e59d4f0eb065259314b15126174daeee41f5cb4bf38dc243136

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize
7KB

MD5
6e48a0f4903e654e810a94552ec61540

SHA1
8e5527c535cebe5f228b76d45458ba5c213e0656

SHA256
77e7bb8f7a1bf5f1e66fd7296058d07ba4ca776a51904843d62369d3468af1d8

SHA512
0863e6cf097e3040bd154e05e2c3a940683fbdd109f3599940027336f776af9ae559239de41fc3a2fc8b5cf239daaa9cea2dbd6f4d9199200e22e5b69e646658

Download Submit
C:\Users\Admin\AppData\Roaming\logs.exe
Filesize
287KB

MD5
072c089d4dbca02a4ae028d984f4cc03

SHA1
3bd3b2dd8b8876c64bf528ee503c5ff2a893f897

SHA256
4c66ebb40e5abd92b6a6985e8409116c5424ebb9af0c320cbafb031698e5022c

SHA512
3f2988a4f256e1b4cb07af531798d7d3bd445f27a81aecf15f200cc8aa1c2fdaff591e9865965468d651a7d578808550dfba95d959d74eb7a1abd3c667af67ac

Download Submit
C:\Users\Admin\AppData\Roaming\logs.exe
Filesize
287KB

MD5
072c089d4dbca02a4ae028d984f4cc03

SHA1
3bd3b2dd8b8876c64bf528ee503c5ff2a893f897

SHA256
4c66ebb40e5abd92b6a6985e8409116c5424ebb9af0c320cbafb031698e5022c

SHA512
3f2988a4f256e1b4cb07af531798d7d3bd445f27a81aecf15f200cc8aa1c2fdaff591e9865965468d651a7d578808550dfba95d959d74eb7a1abd3c667af67ac

Download Submit
C:\Users\Admin\AppData\Roaming\logs.exe
Filesize
287KB

MD5
072c089d4dbca02a4ae028d984f4cc03

SHA1
3bd3b2dd8b8876c64bf528ee503c5ff2a893f897

SHA256
4c66ebb40e5abd92b6a6985e8409116c5424ebb9af0c320cbafb031698e5022c

SHA512
3f2988a4f256e1b4cb07af531798d7d3bd445f27a81aecf15f200cc8aa1c2fdaff591e9865965468d651a7d578808550dfba95d959d74eb7a1abd3c667af67ac

Download Submit
\Users\Admin\AppData\Roaming\logs.exe
Filesize
287KB

MD5
072c089d4dbca02a4ae028d984f4cc03

SHA1
3bd3b2dd8b8876c64bf528ee503c5ff2a893f897

SHA256
4c66ebb40e5abd92b6a6985e8409116c5424ebb9af0c320cbafb031698e5022c

SHA512
3f2988a4f256e1b4cb07af531798d7d3bd445f27a81aecf15f200cc8aa1c2fdaff591e9865965468d651a7d578808550dfba95d959d74eb7a1abd3c667af67ac

Download Submit
memory/108-73-0x0000000000000000-mapping.dmp

Download
memory/268-72-0x0000000000000000-mapping.dmp

Download
memory/632-55-0x0000000075391000-0x0000000075393000-memory.dmp

Filesize
8KB

Download
memory/632-56-0x00000000004E0000-0x0000000000518000-memory.dmp

Filesize
224KB

Download
memory/632-54-0x0000000001300000-0x000000000134C000-memory.dmp

Filesize
304KB

Download
memory/1000-89-0x000000000040C72E-mapping.dmp

Download
memory/1000-95-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1000-93-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1268-68-0x0000000000000000-mapping.dmp

Download
memory/1268-70-0x0000000072490000-0x0000000072A3B000-memory.dmp

Filesize
5.7MB

Download
memory/1484-81-0x00000000001B0000-0x00000000001FC000-memory.dmp

Filesize
304KB

Download
memory/1484-79-0x0000000000000000-mapping.dmp

Download
memory/1652-74-0x0000000000000000-mapping.dmp

Download
memory/1844-92-0x0000000000000000-mapping.dmp

Download
memory/1844-98-0x0000000073820000-0x0000000073DCB000-memory.dmp

Filesize
5.7MB

Download
memory/1952-61-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1952-62-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1952-57-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1952-58-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1952-67-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1952-65-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1952-63-0x000000000040C72E-mapping.dmp

Download
memory/1952-60-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2024-76-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads