asyncrat | d1d057a3ef58e9d59c66346c27b1a9905fc6a90d28cefc69d46ae8fbdf7954e7

Analysis

max time kernel
296s
max time network
300s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
18-02-2023 04:47

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General

Target

d1d057a3ef58e9d59c66346c27b1a9905fc6a90d28cefc69d46ae8fbdf7954e7.exe
Size

591KB
MD5

401240d7a40901b74d85ac7620b83915
SHA1

3f512a8ff2f7d143a14badbc6191c3b8e09d23f6
SHA256

d1d057a3ef58e9d59c66346c27b1a9905fc6a90d28cefc69d46ae8fbdf7954e7
SHA512

996da140a45b98cfd0e8f803037296b1b73cb01793c6302784d2bd1ae6fb3a58b17f171e6eefd406b73637457031fb1363ff9c2f97ca6eaeb71a51c1bd0f5cd2
SSDEEP

12288:Yr8m6f8WlGdAGUow9aR9IlzTmKa188LY1dPijURkY6z7ZIahRZ5GcrO:bIeG5IHgoiqjqZIS5GcrO

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

100.42.65.218:8080

100.42.65.218:6606

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_file
winsyd.exe
install_folder
%AppData%

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/1292-255-0x000000000040C71E-mapping.dmp	asyncrat
behavioral2/memory/1292-307-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Suspicious use of SetThreadContext 1 IoCs

Processes:

d1d057a3ef58e9d59c66346c27b1a9905fc6a90d28cefc69d46ae8fbdf7954e7.exe

description	pid	process	target process
PID 4364 set thread context of 1292	4364	d1d057a3ef58e9d59c66346c27b1a9905fc6a90d28cefc69d46ae8fbdf7954e7.exe	RegSvcs.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

4824 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

1112 powershell.exe
1112 powershell.exe
1112 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1112 powershell.exe

pid	process
4824	schtasks.exe

pid	process
1112	powershell.exe
1112	powershell.exe
1112	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1112	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

d1d057a3ef58e9d59c66346c27b1a9905fc6a90d28cefc69d46ae8fbdf7954e7.exe

description	pid	process	target process
PID 4364 wrote to memory of 1112	4364	d1d057a3ef58e9d59c66346c27b1a9905fc6a90d28cefc69d46ae8fbdf7954e7.exe	powershell.exe
PID 4364 wrote to memory of 1112	4364	d1d057a3ef58e9d59c66346c27b1a9905fc6a90d28cefc69d46ae8fbdf7954e7.exe	powershell.exe
PID 4364 wrote to memory of 1112	4364	d1d057a3ef58e9d59c66346c27b1a9905fc6a90d28cefc69d46ae8fbdf7954e7.exe	powershell.exe
PID 4364 wrote to memory of 4824	4364	d1d057a3ef58e9d59c66346c27b1a9905fc6a90d28cefc69d46ae8fbdf7954e7.exe	schtasks.exe
PID 4364 wrote to memory of 4824	4364	d1d057a3ef58e9d59c66346c27b1a9905fc6a90d28cefc69d46ae8fbdf7954e7.exe	schtasks.exe
PID 4364 wrote to memory of 4824	4364	d1d057a3ef58e9d59c66346c27b1a9905fc6a90d28cefc69d46ae8fbdf7954e7.exe	schtasks.exe
PID 4364 wrote to memory of 1292	4364	d1d057a3ef58e9d59c66346c27b1a9905fc6a90d28cefc69d46ae8fbdf7954e7.exe	RegSvcs.exe
PID 4364 wrote to memory of 1292	4364	d1d057a3ef58e9d59c66346c27b1a9905fc6a90d28cefc69d46ae8fbdf7954e7.exe	RegSvcs.exe
PID 4364 wrote to memory of 1292	4364	d1d057a3ef58e9d59c66346c27b1a9905fc6a90d28cefc69d46ae8fbdf7954e7.exe	RegSvcs.exe
PID 4364 wrote to memory of 1292	4364	d1d057a3ef58e9d59c66346c27b1a9905fc6a90d28cefc69d46ae8fbdf7954e7.exe	RegSvcs.exe
PID 4364 wrote to memory of 1292	4364	d1d057a3ef58e9d59c66346c27b1a9905fc6a90d28cefc69d46ae8fbdf7954e7.exe	RegSvcs.exe
PID 4364 wrote to memory of 1292	4364	d1d057a3ef58e9d59c66346c27b1a9905fc6a90d28cefc69d46ae8fbdf7954e7.exe	RegSvcs.exe
PID 4364 wrote to memory of 1292	4364	d1d057a3ef58e9d59c66346c27b1a9905fc6a90d28cefc69d46ae8fbdf7954e7.exe	RegSvcs.exe
PID 4364 wrote to memory of 1292	4364	d1d057a3ef58e9d59c66346c27b1a9905fc6a90d28cefc69d46ae8fbdf7954e7.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\d1d057a3ef58e9d59c66346c27b1a9905fc6a90d28cefc69d46ae8fbdf7954e7.exe
"C:\Users\Admin\AppData\Local\Temp\d1d057a3ef58e9d59c66346c27b1a9905fc6a90d28cefc69d46ae8fbdf7954e7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4364

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LGlGutVnWHPDKx.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1112

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LGlGutVnWHPDKx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6EC7.tmp"
2⤵
- Creates scheduled task(s)
PID:4824

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:1292

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6EC7.tmp
Filesize
1KB

MD5
f990112ea6daf337abf0a5cdb75a6687

SHA1
d557b630c1bfb1d160139a65827ab601711c581d

SHA256
f82c5718394aa7f822664306d30d4d8637477036db671451ccb5fd66e6e8432a

SHA512
50c9b9b2b99d2390644823035ef707a46141ade4a3344a0f815557aeff99c61a699375918f8dcf5dec0ff99d51dea92e005825f9aaee2ee27685af7a586ada3a

Download Submit
memory/1112-326-0x0000000007ED0000-0x0000000007F1B000-memory.dmp

Filesize
300KB

Download
memory/1112-278-0x0000000006DD0000-0x00000000073F8000-memory.dmp

Filesize
6.2MB

Download
memory/1112-343-0x0000000008F50000-0x0000000008F83000-memory.dmp

Filesize
204KB

Download
memory/1112-330-0x0000000007F20000-0x0000000007F96000-memory.dmp

Filesize
472KB

Download
memory/1112-582-0x0000000006A10000-0x0000000006A18000-memory.dmp

Filesize
32KB

Download
memory/1112-577-0x0000000006A20000-0x0000000006A3A000-memory.dmp

Filesize
104KB

Download
memory/1112-357-0x0000000009250000-0x00000000092E4000-memory.dmp

Filesize
592KB

Download
memory/1112-353-0x0000000009080000-0x0000000009125000-memory.dmp

Filesize
660KB

Download
memory/1112-344-0x0000000008F10000-0x0000000008F2E000-memory.dmp

Filesize
120KB

Download
memory/1112-264-0x00000000066F0000-0x0000000006726000-memory.dmp

Filesize
216KB

Download
memory/1112-319-0x0000000007430000-0x0000000007452000-memory.dmp

Filesize
136KB

Download
memory/1112-200-0x0000000000000000-mapping.dmp

Download
memory/1112-325-0x00000000075F0000-0x000000000760C000-memory.dmp

Filesize
112KB

Download
memory/1112-322-0x0000000007790000-0x0000000007AE0000-memory.dmp

Filesize
3.3MB

Download
memory/1112-321-0x0000000007540000-0x00000000075A6000-memory.dmp

Filesize
408KB

Download
memory/1112-320-0x0000000007720000-0x0000000007786000-memory.dmp

Filesize
408KB

Download
memory/1292-255-0x000000000040C71E-mapping.dmp

Download
memory/1292-307-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4364-164-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-168-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-132-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-133-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-134-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-135-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-136-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-137-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-138-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-139-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-140-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-141-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-142-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-143-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-144-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-145-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-146-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-147-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-148-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-150-0x0000000000450000-0x00000000004E8000-memory.dmp

Filesize
608KB

Download
memory/4364-151-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-153-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-155-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-157-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-158-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-160-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-162-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-130-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-165-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-167-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-170-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-173-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-174-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-175-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-172-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-171-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-169-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-131-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-166-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-163-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-161-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-159-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-156-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-154-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-152-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-149-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-176-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-177-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-178-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-179-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-180-0x00000000028A0000-0x00000000028B8000-memory.dmp

Filesize
96KB

Download
memory/4364-181-0x0000000005040000-0x00000000050D2000-memory.dmp

Filesize
584KB

Download
memory/4364-182-0x0000000000C80000-0x0000000000D1C000-memory.dmp

Filesize
624KB

Download
memory/4364-183-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-185-0x00000000053E0000-0x000000000544E000-memory.dmp

Filesize
440KB

Download
memory/4364-129-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-128-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-127-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-126-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-125-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-124-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-123-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-122-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-121-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-120-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-119-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-118-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-117-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-116-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4364-186-0x0000000005950000-0x0000000005E4E000-memory.dmp

Filesize
5.0MB

Download
memory/4364-188-0x0000000005590000-0x00000000058E0000-memory.dmp

Filesize
3.3MB

Download
memory/4364-250-0x00000000058E0000-0x00000000058F4000-memory.dmp

Filesize
80KB

Download
memory/4824-202-0x0000000000000000-mapping.dmp

Download