asyncrat | 89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4

General

Target

89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
Size

513KB
MD5

8d8718cc95ecf6af196cc0c0eaac9ae2
SHA1

0c822251da19e4f9f5a0b555d85fcf8813034b32
SHA256

89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4
SHA512

98a74f1db9a7334f05327d871e7aa4e3b264d2cc36709df6e625edb79dde1e49a355b439fa7b72e6a5714a9c2e5b8807aa94aa137fee36c78388bbeeb9445114
SSDEEP

12288:iE/ShrODzyPjurrSN/nGtZr0IMr3xYokt9mROPBMzt:d/2PAShG30X3um3B

Score

10^/10

asyncrat default discovery execution rat

Malware Config

Extracted

Family

asyncrat

Version

AWS | RxR

Botnet

Default

C2

lastofdr51.mywire.org:6606

lastofdr51.mywire.org:7707

lastofdr51.mywire.org:8808

Nightmare15.strangled.net:6606

Nightmare15.strangled.net:7707

Nightmare15.strangled.net:8808

darkenssnight.ydns.eu:6606

darkenssnight.ydns.eu:7707

darkenssnight.ydns.eu:8808

Mutex

AsyncMutex_6SI8OkPnk

Attributes

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

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Asyncrat family
asyncrat

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

Processes:

powershell.exepowershell.exe

pid	Process
2776	powershell.exe
2548	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe

description	pid	Process	procid_target
PID 2340 set thread context of 1108	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37

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 5 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:

powershell.exepowershell.exeschtasks.exeRegSvcs.exe89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exe

pid	Process
2344	schtasks.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exepowershell.exepowershell.exe

pid	Process
2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
2776	powershell.exe
2548	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exepowershell.exepowershell.exeRegSvcs.exe

description	pid	Process
Token: SeDebugPrivilege	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
Token: SeDebugPrivilege	2776	powershell.exe
Token: SeDebugPrivilege	2548	powershell.exe
Token: SeDebugPrivilege	1108	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe

description	pid	Process	procid_target
PID 2340 wrote to memory of 2776	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	31
PID 2340 wrote to memory of 2776	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	31
PID 2340 wrote to memory of 2776	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	31
PID 2340 wrote to memory of 2776	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	31
PID 2340 wrote to memory of 2548	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	33
PID 2340 wrote to memory of 2548	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	33
PID 2340 wrote to memory of 2548	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	33
PID 2340 wrote to memory of 2548	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	33
PID 2340 wrote to memory of 2344	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	35
PID 2340 wrote to memory of 2344	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	35
PID 2340 wrote to memory of 2344	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	35
PID 2340 wrote to memory of 2344	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	35
PID 2340 wrote to memory of 1108	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37
PID 2340 wrote to memory of 1108	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37
PID 2340 wrote to memory of 1108	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37
PID 2340 wrote to memory of 1108	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37
PID 2340 wrote to memory of 1108	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37
PID 2340 wrote to memory of 1108	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37
PID 2340 wrote to memory of 1108	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37
PID 2340 wrote to memory of 1108	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37
PID 2340 wrote to memory of 1108	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37
PID 2340 wrote to memory of 1108	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37
PID 2340 wrote to memory of 1108	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37
PID 2340 wrote to memory of 1108	2340	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37

C:\Users\Admin\AppData\Local\Temp\89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
"C:\Users\Admin\AppData\Local\Temp\89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2776
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YeANKIEIC.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2548
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YeANKIEIC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEDC8.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2344
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1108

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabFECB.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1403.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEDC8.tmp

Filesize
1KB

MD5
4a4622908a297fb1baf6250a8e243ac2

SHA1
03035df79874486bf56fb35be0beed65b8223a42

SHA256
21721f37114f30ffa1a2207cbda6dff1730a70add59f929adc974f6b17927183

SHA512
91b037f57f0648f3c9194e09119f3c95f80a5f9a8b11d7194ef1c44cb97aa7b5665e5e19cd4f43aa3e8e0e0678a4c5f81bc430510bc60a602c83618779708884

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\R0VQPGDK664X5T0NWP7F.temp

Filesize
7KB

MD5
2ab75aaf10ff33090eb58e27a98e8e2d

SHA1
9939537289b697977a6ed5b331db87976887a841

SHA256
082c09e0bcba47b17900303ae6e5cd4ddcd4803229325b615bccd4b137d59ed2

SHA512
9d76b2dc6e7213cc85d8a13b6f9563f6a2e703209e238fc3852020a2092bd67d65dc40ccbba2209b1bfe0fa9ca138c65147483d92d08ec4a009311d7c8de89f0

Download Submit
memory/1108-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1108-28-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1108-23-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1108-31-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1108-29-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1108-19-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1108-21-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1108-25-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2340-3-0x00000000003B0000-0x00000000003C0000-memory.dmp

Filesize
64KB

Download
memory/2340-4-0x000000007467E000-0x000000007467F000-memory.dmp

Filesize
4KB

Download
memory/2340-5-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/2340-0-0x000000007467E000-0x000000007467F000-memory.dmp

Filesize
4KB

Download
memory/2340-6-0x0000000004F50000-0x0000000004FA8000-memory.dmp

Filesize
352KB

Download
memory/2340-32-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/2340-2-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/2340-1-0x0000000001100000-0x0000000001186000-memory.dmp

Filesize
536KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads