asyncrat | 8d0eb91898ea8755985a9e77ff54d5a0594002c58cb8a2c0b45e4c05e3e4dccb

General

Target

ea6776496baaaa60c2825e976eeec430330246f54ad0d09ba0b05f64c19eb9da.ps1
Size

440KB
MD5

014f46936a5c013b91321a8278cea9b9
SHA1

2be8ba3d4305a4abac91939e7baff191b0fe9173
SHA256

ea6776496baaaa60c2825e976eeec430330246f54ad0d09ba0b05f64c19eb9da
SHA512

93192da9d97f1d63d3e4e6287af0c1dd2b793af9b0b019d39116a384a1008a03d62daadfdcfbdeffa098581e630a39fb5145bd45020d90bf55955c284b96e781
SSDEEP

1536:wUdAHeDN4NDabDzuCO4dfk2/o8wKhqydCZFy07GOQnAW9xrH8LtndfP9wRpnRvLQ:woF0tUVK7muzD5P6qAhTiNXY9E

Score

10^/10

asyncrat mado-marco discovery execution rat

Malware Config

Extracted

Family

asyncrat

Version

AWS | 3Losh

Botnet

MADO-Marco

Mutex

AsyncMutex_alosh

Attributes

delay
3
install
false
install_folder
%AppData%
pastebin_config
https://pastebin.com/raw/yWgaKKwH

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Blocklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow pid process

29 2688 powershell.exe
31 2688 powershell.exe

flow	pid	process
29	2688	powershell.exe
31	2688	powershell.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

WScript.exeWScript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	WScript.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Using powershell.exe command.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exepowershell.exe

pid process

2688 powershell.exe
3716 powershell.exe
2180 powershell.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

21 pastebin.com
22 pastebin.com
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

28 api.ipify.org
29 api.ipify.org

pid	process
2688	powershell.exe
3716	powershell.exe
2180	powershell.exe

flow	ioc
21	pastebin.com
22	pastebin.com

flow	ioc
28	api.ipify.org
29	api.ipify.org

Suspicious use of SetThreadContext 2 IoCs

Processes:

powershell.exepowershell.exe

description	pid	process	target process
PID 3716 set thread context of 1308	3716	powershell.exe	aspnet_compiler.exe
PID 2180 set thread context of 4392	2180	powershell.exe	aspnet_compiler.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

aspnet_compiler.exeaspnet_compiler.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_compiler.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_compiler.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

pid process

2688 powershell.exe
2688 powershell.exe
3716 powershell.exe
3716 powershell.exe
2180 powershell.exe
2180 powershell.exe

pid	process
2688	powershell.exe
2688	powershell.exe
3716	powershell.exe
3716	powershell.exe
2180	powershell.exe
2180	powershell.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

powershell.exepowershell.exeaspnet_compiler.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2688	powershell.exe
Token: SeIncreaseQuotaPrivilege	2688	powershell.exe
Token: SeSecurityPrivilege	2688	powershell.exe
Token: SeTakeOwnershipPrivilege	2688	powershell.exe
Token: SeLoadDriverPrivilege	2688	powershell.exe
Token: SeSystemProfilePrivilege	2688	powershell.exe
Token: SeSystemtimePrivilege	2688	powershell.exe
Token: SeProfSingleProcessPrivilege	2688	powershell.exe
Token: SeIncBasePriorityPrivilege	2688	powershell.exe
Token: SeCreatePagefilePrivilege	2688	powershell.exe
Token: SeBackupPrivilege	2688	powershell.exe
Token: SeRestorePrivilege	2688	powershell.exe
Token: SeShutdownPrivilege	2688	powershell.exe
Token: SeDebugPrivilege	2688	powershell.exe
Token: SeSystemEnvironmentPrivilege	2688	powershell.exe
Token: SeRemoteShutdownPrivilege	2688	powershell.exe
Token: SeUndockPrivilege	2688	powershell.exe
Token: SeManageVolumePrivilege	2688	powershell.exe
Token: 33	2688	powershell.exe
Token: 34	2688	powershell.exe
Token: 35	2688	powershell.exe
Token: 36	2688	powershell.exe
Token: SeIncreaseQuotaPrivilege	2688	powershell.exe
Token: SeSecurityPrivilege	2688	powershell.exe
Token: SeTakeOwnershipPrivilege	2688	powershell.exe
Token: SeLoadDriverPrivilege	2688	powershell.exe
Token: SeSystemProfilePrivilege	2688	powershell.exe
Token: SeSystemtimePrivilege	2688	powershell.exe
Token: SeProfSingleProcessPrivilege	2688	powershell.exe
Token: SeIncBasePriorityPrivilege	2688	powershell.exe
Token: SeCreatePagefilePrivilege	2688	powershell.exe
Token: SeBackupPrivilege	2688	powershell.exe
Token: SeRestorePrivilege	2688	powershell.exe
Token: SeShutdownPrivilege	2688	powershell.exe
Token: SeDebugPrivilege	2688	powershell.exe
Token: SeSystemEnvironmentPrivilege	2688	powershell.exe
Token: SeRemoteShutdownPrivilege	2688	powershell.exe
Token: SeUndockPrivilege	2688	powershell.exe
Token: SeManageVolumePrivilege	2688	powershell.exe
Token: 33	2688	powershell.exe
Token: 34	2688	powershell.exe
Token: 35	2688	powershell.exe
Token: 36	2688	powershell.exe
Token: SeDebugPrivilege	3716	powershell.exe
Token: SeDebugPrivilege	1308	aspnet_compiler.exe
Token: SeDebugPrivilege	2180	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

WScript.exepowershell.exeWScript.exepowershell.exe

description	pid	process	target process
PID 4040 wrote to memory of 3716	4040	WScript.exe	powershell.exe
PID 4040 wrote to memory of 3716	4040	WScript.exe	powershell.exe
PID 3716 wrote to memory of 1308	3716	powershell.exe	aspnet_compiler.exe
PID 3716 wrote to memory of 1308	3716	powershell.exe	aspnet_compiler.exe
PID 3716 wrote to memory of 1308	3716	powershell.exe	aspnet_compiler.exe
PID 3716 wrote to memory of 1308	3716	powershell.exe	aspnet_compiler.exe
PID 3716 wrote to memory of 1308	3716	powershell.exe	aspnet_compiler.exe
PID 3716 wrote to memory of 1308	3716	powershell.exe	aspnet_compiler.exe
PID 3716 wrote to memory of 1308	3716	powershell.exe	aspnet_compiler.exe
PID 3716 wrote to memory of 1308	3716	powershell.exe	aspnet_compiler.exe
PID 2296 wrote to memory of 2180	2296	WScript.exe	powershell.exe
PID 2296 wrote to memory of 2180	2296	WScript.exe	powershell.exe
PID 2180 wrote to memory of 4392	2180	powershell.exe	aspnet_compiler.exe
PID 2180 wrote to memory of 4392	2180	powershell.exe	aspnet_compiler.exe
PID 2180 wrote to memory of 4392	2180	powershell.exe	aspnet_compiler.exe
PID 2180 wrote to memory of 4392	2180	powershell.exe	aspnet_compiler.exe
PID 2180 wrote to memory of 4392	2180	powershell.exe	aspnet_compiler.exe
PID 2180 wrote to memory of 4392	2180	powershell.exe	aspnet_compiler.exe
PID 2180 wrote to memory of 4392	2180	powershell.exe	aspnet_compiler.exe
PID 2180 wrote to memory of 4392	2180	powershell.exe	aspnet_compiler.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\ea6776496baaaa60c2825e976eeec430330246f54ad0d09ba0b05f64c19eb9da.ps1
1⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2688

C:\Windows\System32\WScript.exe
C:\Windows\System32\WScript.exe "C:\Users\Public\Music\TvMusic.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4040

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass $usefont='ReadAllText';$resberrys='C:\Users\Public\Music\TvMusic.music';IEx([IO.File]::$usefont($resberrys))
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3716

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1308

C:\Windows\System32\WScript.exe
C:\Windows\System32\WScript.exe "C:\Users\Public\Music\TvMusic.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2296

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass $usefont='ReadAllText';$resberrys='C:\Users\Public\Music\TvMusic.music';IEx([IO.File]::$usefont($resberrys))
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2180

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
3⤵
- System Location Discovery: System Language Discovery
PID:4392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
3KB

MD5
f41839a3fe2888c8b3050197bc9a0a05

SHA1
0798941aaf7a53a11ea9ed589752890aee069729

SHA256
224331b7bfae2c7118b187f0933cdae702eae833d4fed444675bd0c21d08e66a

SHA512
2acfac3fbe51e430c87157071711c5fd67f2746e6c33a17accb0852b35896561cec8af9276d7f08d89999452c9fb27688ff3b7791086b5b21d3e59982fd07699

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
17cf8a24c04d339c9c1237e140f0965a

SHA1
7550a9f9d012c080dc59eadc5e939ab2fe8f5dd7

SHA256
83adfdacc7d7e5644087ffe68e446db9d40eccfdbc17ca529aaa1be17271c547

SHA512
03c47e452cb42362b2fc7cfd1e2a6e05561683da2889cac36f2084980d87af2cb3fd07f73226dced938eac7054b4ec92cc17d55157ba18b8a90fc2308896c234

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bptqjyol.fc1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Public\Music\TvMusic.music

Filesize
436KB

MD5
8bb7707b59cfc368db57d7c4920afc06

SHA1
e632082dec19c627afb2f2ed8f7e9418739e4d7e

SHA256
4a81d32d170e24d97baa57977ba8a2c3a792bb0c9b61e9d121bbef0baf8bb8f9

SHA512
ff4b336d986359f582342ade28ffa030288ffe4ad77914a6f1a8ea4bf63c6e0fdf3b44d09baa7557db2d9bd5ebedd3808ebc01fd279ade602d1c4a0581f485ae

Download Submit
C:\Users\Public\Music\TvMusic.vbs

Filesize
229B

MD5
66a1516e1d1e821084441211567d2e87

SHA1
0e688c9a93ad2cc162ef48ca75e0148e69d95ab1

SHA256
d57293641ff05fea6af21fb73a4064eca49e5979f2395305bdea2a00a5de6717

SHA512
1b77505b03a4a9c2c9437fbb94e828f34ed5b74187a258443af778b9450dc346e7027267e4ad6d33ff96c4036d936eba9dee05efbe136678bec6d0f7b68ecf12

Download Submit
memory/1308-30-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1308-38-0x0000000006270000-0x0000000006814000-memory.dmp

Filesize
5.6MB

Download
memory/1308-39-0x0000000005D30000-0x0000000005D96000-memory.dmp

Filesize
408KB

Download
memory/1308-37-0x00000000059E0000-0x0000000005A7C000-memory.dmp

Filesize
624KB

Download
memory/2688-33-0x00007FFE161D3000-0x00007FFE161D5000-memory.dmp

Filesize
8KB

Download
memory/2688-0-0x00007FFE161D3000-0x00007FFE161D5000-memory.dmp

Filesize
8KB

Download
memory/2688-34-0x00007FFE161D0000-0x00007FFE16C91000-memory.dmp

Filesize
10.8MB

Download
memory/2688-17-0x00007FFE161D0000-0x00007FFE16C91000-memory.dmp

Filesize
10.8MB

Download
memory/2688-15-0x00007FFE161D0000-0x00007FFE16C91000-memory.dmp

Filesize
10.8MB

Download
memory/2688-40-0x0000019CF3090000-0x0000019CF3252000-memory.dmp

Filesize
1.8MB

Download
memory/2688-41-0x00007FFE161D0000-0x00007FFE16C91000-memory.dmp

Filesize
10.8MB

Download
memory/2688-42-0x0000019CF3790000-0x0000019CF3CB8000-memory.dmp

Filesize
5.2MB

Download
memory/2688-11-0x00007FFE161D0000-0x00007FFE16C91000-memory.dmp

Filesize
10.8MB

Download
memory/2688-10-0x0000019CD9AC0000-0x0000019CD9AE2000-memory.dmp

Filesize
136KB

Download
memory/2688-46-0x00007FFE161D0000-0x00007FFE16C91000-memory.dmp

Filesize
10.8MB

Download
memory/3716-29-0x0000023BEB790000-0x0000023BEB79C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads