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
2632	powershell.exe
2596	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe

description	pid	Process	procid_target
PID 1904 set thread context of 976	1904	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
2616	schtasks.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exepowershell.exepowershell.exe

pid	Process
1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
2632	powershell.exe
2596	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exepowershell.exepowershell.exeRegSvcs.exe

description	pid	Process
Token: SeDebugPrivilege	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe
Token: SeDebugPrivilege	2596	powershell.exe
Token: SeDebugPrivilege	2632	powershell.exe
Token: SeDebugPrivilege	976	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe

description	pid	Process	procid_target
PID 1904 wrote to memory of 2632	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	31
PID 1904 wrote to memory of 2632	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	31
PID 1904 wrote to memory of 2632	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	31
PID 1904 wrote to memory of 2632	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	31
PID 1904 wrote to memory of 2596	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	33
PID 1904 wrote to memory of 2596	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	33
PID 1904 wrote to memory of 2596	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	33
PID 1904 wrote to memory of 2596	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	33
PID 1904 wrote to memory of 2616	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	34
PID 1904 wrote to memory of 2616	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	34
PID 1904 wrote to memory of 2616	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	34
PID 1904 wrote to memory of 2616	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	34
PID 1904 wrote to memory of 976	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37
PID 1904 wrote to memory of 976	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37
PID 1904 wrote to memory of 976	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37
PID 1904 wrote to memory of 976	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37
PID 1904 wrote to memory of 976	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37
PID 1904 wrote to memory of 976	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37
PID 1904 wrote to memory of 976	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37
PID 1904 wrote to memory of 976	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37
PID 1904 wrote to memory of 976	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37
PID 1904 wrote to memory of 976	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37
PID 1904 wrote to memory of 976	1904	89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4.exe	37
PID 1904 wrote to memory of 976	1904	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:1904
- 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:2632
- 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:2596
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YeANKIEIC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAAB1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2616
- 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:976

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\CabE3FB.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAAB1.tmp

Filesize
1KB

MD5
bbae1110b76e61914c292d097967d374

SHA1
232aa0afcd87889c28b58a60083bdef8da5979c3

SHA256
d1a25985375e698a60bbde9b205cc42c36e61c34e178840bd7aa3862b5405279

SHA512
0a4e6b0b0587ddf05a6aadc066e108bdd9740e827ef284587c5d394738cf185aa1511abfbc313efc080339d8c197d99746cdebed64fea0c6e083ebc2eb9ea27e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\E36PSZTWZM1B5RIWXQT1.temp

Filesize
7KB

MD5
c2c38e9437d2b7d97f8073d4e84dc780

SHA1
cd59dc92ec05faf2ab2ca1fe7e77af2491325ba0

SHA256
93823432ae4510351af7d1725fc59ddc12dbc7582ebd22d34cb64f4774ab910f

SHA512
330ec75b05f74bc3b05abcbfaa947541e7ea3bb9259154900b1ca7816941277fb9350d481ce6c700d2134634928f94a21e5ac86b52dfeafbb5ba9d5a7804b1d7

Download Submit
memory/976-28-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/976-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/976-21-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/976-23-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/976-25-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/976-29-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/976-19-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/976-31-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1904-2-0x0000000074800000-0x0000000074EEE000-memory.dmp

Filesize
6.9MB

Download
memory/1904-0-0x000000007480E000-0x000000007480F000-memory.dmp

Filesize
4KB

Download
memory/1904-4-0x000000007480E000-0x000000007480F000-memory.dmp

Filesize
4KB

Download
memory/1904-3-0x0000000000290000-0x00000000002A0000-memory.dmp

Filesize
64KB

Download
memory/1904-6-0x0000000002330000-0x0000000002388000-memory.dmp

Filesize
352KB

Download
memory/1904-5-0x0000000074800000-0x0000000074EEE000-memory.dmp

Filesize
6.9MB

Download
memory/1904-32-0x0000000074800000-0x0000000074EEE000-memory.dmp

Filesize
6.9MB

Download
memory/1904-1-0x0000000000C00000-0x0000000000C86000-memory.dmp

Filesize
536KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads