asyncrat | a1158bb27506c07d1c7b8967d5acb78bf4918f3df265a46a65dcaba4d4e78f6e

General

Target

SVD002837727.exe
Size

653KB
MD5

98606a9e2540ba34e1c98760900ac508
SHA1

9918ca6bf5c9b1ccc1206724514d56a41d7adeb1
SHA256

46bdfb06a8c272dff04b4eeebba3fffd7849193c8a0ce13c2dc7b3a16b26a1a9
SHA512

86cedacb5f46baa0d899573f44b67ed659e57f8c4a397992e745365c29099de4262c98f5678d54c66018264958c7821380c185905ffedf83208f1f48859e3829
SSDEEP

12288:LZyvbhaDnLMzIL2q+RTdOL8lUzKlXt0nKXRa99uk1UFDuhZCQUKOWkZJJXv/LiQg:GOyqGUL8lV3nXRwuSqQJI

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

reportss.duckdns.org:3110

reportss.duckdns.org:4466

reportss.duckdns.org:7755

Mutex

AsyncMutex_6SI8OkPnk

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

Async RAT payload 6 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/624-68-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/624-69-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/624-71-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/624-73-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/624-75-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/972-78-0x0000000000400000-0x0000000000440000-memory.dmp	asyncrat

Suspicious use of SetThreadContext 1 IoCs

Processes:

SVD002837727.exe

description pid process target process

PID 1984 set thread context of 624 1984 SVD002837727.exe SVD002837727.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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

1700 schtasks.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

SVD002837727.exepowershell.exe

pid process

1984 SVD002837727.exe
1984 SVD002837727.exe
1984 SVD002837727.exe
1984 SVD002837727.exe
1984 SVD002837727.exe
1984 SVD002837727.exe
972 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SVD002837727.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1984 SVD002837727.exe
Token: SeDebugPrivilege 972 powershell.exe

description	pid	process	target process
PID 1984 set thread context of 624	1984	SVD002837727.exe	SVD002837727.exe

pid	process
1700	schtasks.exe

pid	process
1984	SVD002837727.exe
1984	SVD002837727.exe
1984	SVD002837727.exe
1984	SVD002837727.exe
1984	SVD002837727.exe
1984	SVD002837727.exe
972	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1984	SVD002837727.exe
Token: SeDebugPrivilege	972	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

SVD002837727.exe

description	pid	process	target process
PID 1984 wrote to memory of 972	1984	SVD002837727.exe	powershell.exe
PID 1984 wrote to memory of 972	1984	SVD002837727.exe	powershell.exe
PID 1984 wrote to memory of 972	1984	SVD002837727.exe	powershell.exe
PID 1984 wrote to memory of 972	1984	SVD002837727.exe	powershell.exe
PID 1984 wrote to memory of 1700	1984	SVD002837727.exe	schtasks.exe
PID 1984 wrote to memory of 1700	1984	SVD002837727.exe	schtasks.exe
PID 1984 wrote to memory of 1700	1984	SVD002837727.exe	schtasks.exe
PID 1984 wrote to memory of 1700	1984	SVD002837727.exe	schtasks.exe
PID 1984 wrote to memory of 624	1984	SVD002837727.exe	SVD002837727.exe
PID 1984 wrote to memory of 624	1984	SVD002837727.exe	SVD002837727.exe
PID 1984 wrote to memory of 624	1984	SVD002837727.exe	SVD002837727.exe
PID 1984 wrote to memory of 624	1984	SVD002837727.exe	SVD002837727.exe
PID 1984 wrote to memory of 624	1984	SVD002837727.exe	SVD002837727.exe
PID 1984 wrote to memory of 624	1984	SVD002837727.exe	SVD002837727.exe
PID 1984 wrote to memory of 624	1984	SVD002837727.exe	SVD002837727.exe
PID 1984 wrote to memory of 624	1984	SVD002837727.exe	SVD002837727.exe
PID 1984 wrote to memory of 624	1984	SVD002837727.exe	SVD002837727.exe

C:\Users\Admin\AppData\Local\Temp\SVD002837727.exe
"C:\Users\Admin\AppData\Local\Temp\SVD002837727.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1984

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JxXPhhSexdm.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:972

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JxXPhhSexdm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE409.tmp"
2⤵
- Creates scheduled task(s)
PID:1700

C:\Users\Admin\AppData\Local\Temp\SVD002837727.exe
"C:\Users\Admin\AppData\Local\Temp\SVD002837727.exe"
2⤵
PID:624

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\tmpE409.tmp
Filesize
1KB

MD5
3b275683b5a9967e97d812a4536080fb

SHA1
c92816b0140f3f7c31bc2267b43cb61534723bb5

SHA256
658797afedb9f8f219bc2c7a1515ace2ca715796e3986527370e57668692c1b7

SHA512
367e50efc3ce8ab8fa8c838c2be7352f74ee84e8d931311581577186becd04acab8fa3e3fd3d7d1cfd6ca0aa2c41504d9f1910c2bf80d5044e41c729ec42d09d

Download Submit
memory/624-69-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/624-71-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/624-68-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/624-70-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/624-67-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/624-66-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/624-80-0x0000000000510000-0x0000000000550000-memory.dmp

Filesize
256KB

Download
memory/624-75-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/624-73-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/972-79-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/972-78-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1984-55-0x0000000004C20000-0x0000000004C60000-memory.dmp

Filesize
256KB

Download
memory/1984-54-0x0000000001030000-0x00000000010D8000-memory.dmp

Filesize
672KB

Download
memory/1984-58-0x0000000000310000-0x000000000031C000-memory.dmp

Filesize
48KB

Download
memory/1984-57-0x0000000004C20000-0x0000000004C60000-memory.dmp

Filesize
256KB

Download
memory/1984-65-0x0000000000E80000-0x0000000000E94000-memory.dmp

Filesize
80KB

Download
memory/1984-56-0x0000000000300000-0x0000000000314000-memory.dmp

Filesize
80KB

Download
memory/1984-59-0x0000000004D40000-0x0000000004D8E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads