asyncrat | 92b0cc6184468867764c824f3086da312866b47b42642fd32166bfb7c87bdf7e

General

Target

New Order SSRNSSIQ102-2023.exe
Size

789KB
MD5

40e90e03d1c397d3fede4c0e9d3dd2e4
SHA1

2ca12b01d5a31dd2076a7a4c0ca70fb61451331c
SHA256

92b0cc6184468867764c824f3086da312866b47b42642fd32166bfb7c87bdf7e
SHA512

a4f9ffb09d118407d3d63a116f5edcdb2a2e21176eed80984a2b323f1360771b14c0816ac6c8a66650d584993f0206f7c9f82504a59fdf3e222d76e7a88c80f6
SSDEEP

12288:fCBNfZFHB3gwr+1yjPHx0HGkYDHjrTCq:abHBQyjPHxqYDH/eq

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

fresh03.ddns.net:45265

fresh03.ddns.net:34110

fresh03.ddns.net:2245

fresh01.ddns.net:45265

fresh01.ddns.net:34110

fresh01.ddns.net:2245

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 written in C#.
rat asyncrat

Async RAT payload 10 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1320-65-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1320-66-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1320-68-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1320-70-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1320-72-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1320-73-0x0000000004E00000-0x0000000004E40000-memory.dmp	asyncrat
behavioral1/memory/732-100-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/732-102-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/732-103-0x0000000001080000-0x00000000010C0000-memory.dmp	asyncrat
behavioral1/memory/732-104-0x0000000001080000-0x00000000010C0000-memory.dmp	asyncrat

Executes dropped EXE 2 IoCs

Processes:

logs.exelogs.exe

pid process

1884 logs.exe
732 logs.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1460 cmd.exe

pid	process
1884	logs.exe
732	logs.exe

pid	process
1460	cmd.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

New Order SSRNSSIQ102-2023.exelogs.exe

description	pid	process	target process
PID 944 set thread context of 1320	944	New Order SSRNSSIQ102-2023.exe	New Order SSRNSSIQ102-2023.exe
PID 1884 set thread context of 732	1884	logs.exe	logs.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 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

1720 schtasks.exe
2024 schtasks.exe
1880 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

936 timeout.exe

pid	process
1720	schtasks.exe
2024	schtasks.exe
1880	schtasks.exe

pid	process
936	timeout.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

New Order SSRNSSIQ102-2023.exeNew Order SSRNSSIQ102-2023.exelogs.exe

pid	process
944	New Order SSRNSSIQ102-2023.exe
944	New Order SSRNSSIQ102-2023.exe
944	New Order SSRNSSIQ102-2023.exe
1320	New Order SSRNSSIQ102-2023.exe
1884	logs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

New Order SSRNSSIQ102-2023.exeNew Order SSRNSSIQ102-2023.exelogs.exelogs.exe

description	pid	process
Token: SeDebugPrivilege	944	New Order SSRNSSIQ102-2023.exe
Token: SeDebugPrivilege	1320	New Order SSRNSSIQ102-2023.exe
Token: SeDebugPrivilege	1884	logs.exe
Token: SeDebugPrivilege	732	logs.exe

Suspicious use of WriteProcessMemory 54 IoCs

Processes:

New Order SSRNSSIQ102-2023.exeNew Order SSRNSSIQ102-2023.execmd.execmd.exelogs.exe

description	pid	process	target process
PID 944 wrote to memory of 2024	944	New Order SSRNSSIQ102-2023.exe	schtasks.exe
PID 944 wrote to memory of 2024	944	New Order SSRNSSIQ102-2023.exe	schtasks.exe
PID 944 wrote to memory of 2024	944	New Order SSRNSSIQ102-2023.exe	schtasks.exe
PID 944 wrote to memory of 2024	944	New Order SSRNSSIQ102-2023.exe	schtasks.exe
PID 944 wrote to memory of 868	944	New Order SSRNSSIQ102-2023.exe	New Order SSRNSSIQ102-2023.exe
PID 944 wrote to memory of 868	944	New Order SSRNSSIQ102-2023.exe	New Order SSRNSSIQ102-2023.exe
PID 944 wrote to memory of 868	944	New Order SSRNSSIQ102-2023.exe	New Order SSRNSSIQ102-2023.exe
PID 944 wrote to memory of 868	944	New Order SSRNSSIQ102-2023.exe	New Order SSRNSSIQ102-2023.exe
PID 944 wrote to memory of 864	944	New Order SSRNSSIQ102-2023.exe	New Order SSRNSSIQ102-2023.exe
PID 944 wrote to memory of 864	944	New Order SSRNSSIQ102-2023.exe	New Order SSRNSSIQ102-2023.exe
PID 944 wrote to memory of 864	944	New Order SSRNSSIQ102-2023.exe	New Order SSRNSSIQ102-2023.exe
PID 944 wrote to memory of 864	944	New Order SSRNSSIQ102-2023.exe	New Order SSRNSSIQ102-2023.exe
PID 944 wrote to memory of 1320	944	New Order SSRNSSIQ102-2023.exe	New Order SSRNSSIQ102-2023.exe
PID 944 wrote to memory of 1320	944	New Order SSRNSSIQ102-2023.exe	New Order SSRNSSIQ102-2023.exe
PID 944 wrote to memory of 1320	944	New Order SSRNSSIQ102-2023.exe	New Order SSRNSSIQ102-2023.exe
PID 944 wrote to memory of 1320	944	New Order SSRNSSIQ102-2023.exe	New Order SSRNSSIQ102-2023.exe
PID 944 wrote to memory of 1320	944	New Order SSRNSSIQ102-2023.exe	New Order SSRNSSIQ102-2023.exe
PID 944 wrote to memory of 1320	944	New Order SSRNSSIQ102-2023.exe	New Order SSRNSSIQ102-2023.exe
PID 944 wrote to memory of 1320	944	New Order SSRNSSIQ102-2023.exe	New Order SSRNSSIQ102-2023.exe
PID 944 wrote to memory of 1320	944	New Order SSRNSSIQ102-2023.exe	New Order SSRNSSIQ102-2023.exe
PID 944 wrote to memory of 1320	944	New Order SSRNSSIQ102-2023.exe	New Order SSRNSSIQ102-2023.exe
PID 1320 wrote to memory of 476	1320	New Order SSRNSSIQ102-2023.exe	cmd.exe
PID 1320 wrote to memory of 476	1320	New Order SSRNSSIQ102-2023.exe	cmd.exe
PID 1320 wrote to memory of 476	1320	New Order SSRNSSIQ102-2023.exe	cmd.exe
PID 1320 wrote to memory of 476	1320	New Order SSRNSSIQ102-2023.exe	cmd.exe
PID 1320 wrote to memory of 1460	1320	New Order SSRNSSIQ102-2023.exe	cmd.exe
PID 1320 wrote to memory of 1460	1320	New Order SSRNSSIQ102-2023.exe	cmd.exe
PID 1320 wrote to memory of 1460	1320	New Order SSRNSSIQ102-2023.exe	cmd.exe
PID 1320 wrote to memory of 1460	1320	New Order SSRNSSIQ102-2023.exe	cmd.exe
PID 476 wrote to memory of 1880	476	cmd.exe	schtasks.exe
PID 476 wrote to memory of 1880	476	cmd.exe	schtasks.exe
PID 476 wrote to memory of 1880	476	cmd.exe	schtasks.exe
PID 476 wrote to memory of 1880	476	cmd.exe	schtasks.exe
PID 1460 wrote to memory of 936	1460	cmd.exe	timeout.exe
PID 1460 wrote to memory of 936	1460	cmd.exe	timeout.exe
PID 1460 wrote to memory of 936	1460	cmd.exe	timeout.exe
PID 1460 wrote to memory of 936	1460	cmd.exe	timeout.exe
PID 1460 wrote to memory of 1884	1460	cmd.exe	logs.exe
PID 1460 wrote to memory of 1884	1460	cmd.exe	logs.exe
PID 1460 wrote to memory of 1884	1460	cmd.exe	logs.exe
PID 1460 wrote to memory of 1884	1460	cmd.exe	logs.exe
PID 1884 wrote to memory of 1720	1884	logs.exe	schtasks.exe
PID 1884 wrote to memory of 1720	1884	logs.exe	schtasks.exe
PID 1884 wrote to memory of 1720	1884	logs.exe	schtasks.exe
PID 1884 wrote to memory of 1720	1884	logs.exe	schtasks.exe
PID 1884 wrote to memory of 732	1884	logs.exe	logs.exe
PID 1884 wrote to memory of 732	1884	logs.exe	logs.exe
PID 1884 wrote to memory of 732	1884	logs.exe	logs.exe
PID 1884 wrote to memory of 732	1884	logs.exe	logs.exe
PID 1884 wrote to memory of 732	1884	logs.exe	logs.exe
PID 1884 wrote to memory of 732	1884	logs.exe	logs.exe
PID 1884 wrote to memory of 732	1884	logs.exe	logs.exe
PID 1884 wrote to memory of 732	1884	logs.exe	logs.exe
PID 1884 wrote to memory of 732	1884	logs.exe	logs.exe

C:\Users\Admin\AppData\Local\Temp\New Order SSRNSSIQ102-2023.exe
"C:\Users\Admin\AppData\Local\Temp\New Order SSRNSSIQ102-2023.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:944

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZSapQxocQt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1804.tmp"
2⤵
- Creates scheduled task(s)
PID:2024

C:\Users\Admin\AppData\Local\Temp\New Order SSRNSSIQ102-2023.exe
"{path}"
2⤵
PID:868

C:\Users\Admin\AppData\Local\Temp\New Order SSRNSSIQ102-2023.exe
"{path}"
2⤵
PID:864

C:\Users\Admin\AppData\Local\Temp\New Order SSRNSSIQ102-2023.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1320

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:476

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:1880

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp38FC.tmp.bat""
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1460

C:\Windows\SysWOW64\timeout.exe
timeout 3
4⤵
- Delays execution with timeout.exe
PID:936

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:1884

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZSapQxocQt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF9BB.tmp"
5⤵
- Creates scheduled task(s)
PID:1720

C:\Users\Admin\AppData\Roaming\logs.exe
"{path}"
5⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:732

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\tmp1804.tmp
Filesize
1KB

MD5
d99488839a3539152e833113a575579d

SHA1
db475510176a4178004d5be8b164bc5ddc0e0337

SHA256
7517e1ce4822f1d238cd6717d8e942dffdf20f3816e5fdf53dc54ac4d3b87f94

SHA512
0d2d6d61ffc8eab7e5448e6ab358deb7c5fef661402c467e7a621123fa53d24757d63d533bd8ce8e31d539eb0d48d5e5ec7d8c7561035bae54274910c741e458

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp38FC.tmp.bat
Filesize
148B

MD5
bd938962b7be81b6d4cd673a31c2b7cf

SHA1
7d3b79efbc43c1e450096c5b6a75519f7fdf0840

SHA256
a9bde784c994326ad982c233a6e37a711aff231c4f6650d98c55651b31bd533b

SHA512
019e7c45dadeff52006ea481296bc8f0fac480aec2453a948213ef9bf78e45afb970454775509d44a0c45fc87d3236c6cb513a22cf1c5c4f8d49eb0ba3dd5923

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp38FC.tmp.bat
Filesize
148B

MD5
bd938962b7be81b6d4cd673a31c2b7cf

SHA1
7d3b79efbc43c1e450096c5b6a75519f7fdf0840

SHA256
a9bde784c994326ad982c233a6e37a711aff231c4f6650d98c55651b31bd533b

SHA512
019e7c45dadeff52006ea481296bc8f0fac480aec2453a948213ef9bf78e45afb970454775509d44a0c45fc87d3236c6cb513a22cf1c5c4f8d49eb0ba3dd5923

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF9BB.tmp
Filesize
1KB

MD5
d99488839a3539152e833113a575579d

SHA1
db475510176a4178004d5be8b164bc5ddc0e0337

SHA256
7517e1ce4822f1d238cd6717d8e942dffdf20f3816e5fdf53dc54ac4d3b87f94

SHA512
0d2d6d61ffc8eab7e5448e6ab358deb7c5fef661402c467e7a621123fa53d24757d63d533bd8ce8e31d539eb0d48d5e5ec7d8c7561035bae54274910c741e458

Download Submit
C:\Users\Admin\AppData\Roaming\logs.exe
Filesize
789KB

MD5
40e90e03d1c397d3fede4c0e9d3dd2e4

SHA1
2ca12b01d5a31dd2076a7a4c0ca70fb61451331c

SHA256
92b0cc6184468867764c824f3086da312866b47b42642fd32166bfb7c87bdf7e

SHA512
a4f9ffb09d118407d3d63a116f5edcdb2a2e21176eed80984a2b323f1360771b14c0816ac6c8a66650d584993f0206f7c9f82504a59fdf3e222d76e7a88c80f6

Download Submit
C:\Users\Admin\AppData\Roaming\logs.exe
Filesize
789KB

MD5
40e90e03d1c397d3fede4c0e9d3dd2e4

SHA1
2ca12b01d5a31dd2076a7a4c0ca70fb61451331c

SHA256
92b0cc6184468867764c824f3086da312866b47b42642fd32166bfb7c87bdf7e

SHA512
a4f9ffb09d118407d3d63a116f5edcdb2a2e21176eed80984a2b323f1360771b14c0816ac6c8a66650d584993f0206f7c9f82504a59fdf3e222d76e7a88c80f6

Download Submit
C:\Users\Admin\AppData\Roaming\logs.exe
Filesize
789KB

MD5
40e90e03d1c397d3fede4c0e9d3dd2e4

SHA1
2ca12b01d5a31dd2076a7a4c0ca70fb61451331c

SHA256
92b0cc6184468867764c824f3086da312866b47b42642fd32166bfb7c87bdf7e

SHA512
a4f9ffb09d118407d3d63a116f5edcdb2a2e21176eed80984a2b323f1360771b14c0816ac6c8a66650d584993f0206f7c9f82504a59fdf3e222d76e7a88c80f6

Download Submit
\Users\Admin\AppData\Roaming\logs.exe
Filesize
789KB

MD5
40e90e03d1c397d3fede4c0e9d3dd2e4

SHA1
2ca12b01d5a31dd2076a7a4c0ca70fb61451331c

SHA256
92b0cc6184468867764c824f3086da312866b47b42642fd32166bfb7c87bdf7e

SHA512
a4f9ffb09d118407d3d63a116f5edcdb2a2e21176eed80984a2b323f1360771b14c0816ac6c8a66650d584993f0206f7c9f82504a59fdf3e222d76e7a88c80f6

Download Submit
memory/732-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/732-104-0x0000000001080000-0x00000000010C0000-memory.dmp

Filesize
256KB

Download
memory/732-103-0x0000000001080000-0x00000000010C0000-memory.dmp

Filesize
256KB

Download
memory/732-102-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/732-100-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/944-58-0x00000000020E0000-0x0000000002146000-memory.dmp

Filesize
408KB

Download
memory/944-54-0x00000000001B0000-0x000000000027C000-memory.dmp

Filesize
816KB

Download
memory/944-59-0x00000000004B0000-0x00000000004C2000-memory.dmp

Filesize
72KB

Download
memory/944-57-0x0000000000390000-0x00000000003A4000-memory.dmp

Filesize
80KB

Download
memory/944-56-0x00000000006A0000-0x00000000006E0000-memory.dmp

Filesize
256KB

Download
memory/944-55-0x00000000006A0000-0x00000000006E0000-memory.dmp

Filesize
256KB

Download
memory/1320-64-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1320-73-0x0000000004E00000-0x0000000004E40000-memory.dmp

Filesize
256KB

Download
memory/1320-72-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1320-70-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1320-68-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1320-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1320-63-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1320-66-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1320-65-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1884-86-0x0000000001100000-0x00000000011CC000-memory.dmp

Filesize
816KB

Download
memory/1884-87-0x0000000004960000-0x00000000049A0000-memory.dmp

Filesize
256KB

Download
memory/1884-88-0x0000000004960000-0x00000000049A0000-memory.dmp

Filesize
256KB

Download
memory/1884-89-0x0000000000540000-0x0000000000552000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads