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 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4836-149-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

SVD002837727.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	SVD002837727.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

SVD002837727.exe

description pid process target process

PID 4764 set thread context of 4836 4764 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

2008 schtasks.exe

description	pid	process	target process
PID 4764 set thread context of 4836	4764	SVD002837727.exe	SVD002837727.exe

pid	process
2008	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

SVD002837727.exepowershell.exe

pid	process
4764	SVD002837727.exe
4764	SVD002837727.exe
4764	SVD002837727.exe
4764	SVD002837727.exe
4764	SVD002837727.exe
4764	SVD002837727.exe
4764	SVD002837727.exe
4752	powershell.exe
4752	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SVD002837727.exepowershell.exe

description pid process

Token: SeDebugPrivilege 4764 SVD002837727.exe
Token: SeDebugPrivilege 4752 powershell.exe

description	pid	process
Token: SeDebugPrivilege	4764	SVD002837727.exe
Token: SeDebugPrivilege	4752	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

SVD002837727.exe

description	pid	process	target process
PID 4764 wrote to memory of 4752	4764	SVD002837727.exe	powershell.exe
PID 4764 wrote to memory of 4752	4764	SVD002837727.exe	powershell.exe
PID 4764 wrote to memory of 4752	4764	SVD002837727.exe	powershell.exe
PID 4764 wrote to memory of 2008	4764	SVD002837727.exe	schtasks.exe
PID 4764 wrote to memory of 2008	4764	SVD002837727.exe	schtasks.exe
PID 4764 wrote to memory of 2008	4764	SVD002837727.exe	schtasks.exe
PID 4764 wrote to memory of 4836	4764	SVD002837727.exe	SVD002837727.exe
PID 4764 wrote to memory of 4836	4764	SVD002837727.exe	SVD002837727.exe
PID 4764 wrote to memory of 4836	4764	SVD002837727.exe	SVD002837727.exe
PID 4764 wrote to memory of 4836	4764	SVD002837727.exe	SVD002837727.exe
PID 4764 wrote to memory of 4836	4764	SVD002837727.exe	SVD002837727.exe
PID 4764 wrote to memory of 4836	4764	SVD002837727.exe	SVD002837727.exe
PID 4764 wrote to memory of 4836	4764	SVD002837727.exe	SVD002837727.exe
PID 4764 wrote to memory of 4836	4764	SVD002837727.exe	SVD002837727.exe

C:\Users\Admin\AppData\Local\Temp\SVD002837727.exe
"C:\Users\Admin\AppData\Local\Temp\SVD002837727.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4764

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:4752

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JxXPhhSexdm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7C25.tmp"
2⤵
- Creates scheduled task(s)
PID:2008

C:\Users\Admin\AppData\Local\Temp\SVD002837727.exe
"C:\Users\Admin\AppData\Local\Temp\SVD002837727.exe"
2⤵
PID:4836

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_njaejsqb.eqp.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7C25.tmp
Filesize
1KB

MD5
b2f52520bd5a820f2bea5f6f6cc230c5

SHA1
299fb19d38d7fd9c41f0955dcbdc24d909146be2

SHA256
6bf9d28c5cd8b457df2033a3980ccc66a7e58b62291e22fbbeac3b4e3ddb2305

SHA512
bc963be52b2e89dddd80ffa4ee7bc36870d18245e57a68f29f96032066cc4247f7e2886273416a95f5a2d573784180a78d7e2b0d45ff72913f1fba7fb177bd18

Download Submit
memory/4752-161-0x0000000004E30000-0x0000000004E40000-memory.dmp

Filesize
64KB

Download
memory/4752-182-0x0000000007BB0000-0x000000000822A000-memory.dmp

Filesize
6.5MB

Download
memory/4752-166-0x0000000006260000-0x000000000627E000-memory.dmp

Filesize
120KB

Download
memory/4752-188-0x0000000007890000-0x0000000007898000-memory.dmp

Filesize
32KB

Download
memory/4752-187-0x00000000078B0000-0x00000000078CA000-memory.dmp

Filesize
104KB

Download
memory/4752-147-0x0000000004C90000-0x0000000004CC6000-memory.dmp

Filesize
216KB

Download
memory/4752-186-0x00000000077A0000-0x00000000077AE000-memory.dmp

Filesize
56KB

Download
memory/4752-185-0x00000000077F0000-0x0000000007886000-memory.dmp

Filesize
600KB

Download
memory/4752-150-0x0000000005470000-0x0000000005A98000-memory.dmp

Filesize
6.2MB

Download
memory/4752-152-0x0000000005290000-0x00000000052B2000-memory.dmp

Filesize
136KB

Download
memory/4752-153-0x0000000005AA0000-0x0000000005B06000-memory.dmp

Filesize
408KB

Download
memory/4752-154-0x0000000005C10000-0x0000000005C76000-memory.dmp

Filesize
408KB

Download
memory/4752-184-0x00000000075E0000-0x00000000075EA000-memory.dmp

Filesize
40KB

Download
memory/4752-160-0x0000000004E30000-0x0000000004E40000-memory.dmp

Filesize
64KB

Download
memory/4752-183-0x0000000007570000-0x000000000758A000-memory.dmp

Filesize
104KB

Download
memory/4752-181-0x0000000006800000-0x000000000681E000-memory.dmp

Filesize
120KB

Download
memory/4752-167-0x0000000006820000-0x0000000006852000-memory.dmp

Filesize
200KB

Download
memory/4752-168-0x0000000004E30000-0x0000000004E40000-memory.dmp

Filesize
64KB

Download
memory/4752-170-0x0000000071750000-0x000000007179C000-memory.dmp

Filesize
304KB

Download
memory/4752-171-0x000000007FB60000-0x000000007FB70000-memory.dmp

Filesize
64KB

Download
memory/4764-140-0x00000000054B0000-0x00000000054C0000-memory.dmp

Filesize
64KB

Download
memory/4764-139-0x0000000005280000-0x000000000528A000-memory.dmp

Filesize
40KB

Download
memory/4764-137-0x00000000058C0000-0x0000000005E64000-memory.dmp

Filesize
5.6MB

Download
memory/4764-138-0x00000000051D0000-0x0000000005262000-memory.dmp

Filesize
584KB

Download
memory/4764-142-0x0000000006DF0000-0x0000000006E8C000-memory.dmp

Filesize
624KB

Download
memory/4764-141-0x00000000054B0000-0x00000000054C0000-memory.dmp

Filesize
64KB

Download
memory/4764-136-0x00000000007A0000-0x0000000000848000-memory.dmp

Filesize
672KB

Download
memory/4836-169-0x0000000005860000-0x0000000005870000-memory.dmp

Filesize
64KB

Download
memory/4836-191-0x0000000005860000-0x0000000005870000-memory.dmp

Filesize
64KB

Download
memory/4836-149-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads