asyncrat | e2be314cb5392f83e23694be4e43326f746e0067012a5f423d72b2ecc3bb1575

General

Target

AsyncClient.exe
Size

45KB
MD5

11c12e50d5c5b0ae6578f770bfb41671
SHA1

87c61e6cad8bf6be174e087784bc5f204648ebe7
SHA256

e2be314cb5392f83e23694be4e43326f746e0067012a5f423d72b2ecc3bb1575
SHA512

b9c0a081c9c2efb87fc34877d508d0bc7a0504882fd04716535cfb6cea3e5dfe64e7ea834f444903de3f334d625f3a45c58508d68c6ee9853dd60d13e10f463a
SSDEEP

768:ju0OVTBRlc6nWUbmelmo2qjrKjGKG6PIyzjbFgX3i9PjHrVFvyrLxBDZjx:ju0OVTBnck26KYDy3bCXSpjHrVdyrrdd

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

127.0.0.1:15491

127.0.0.1:8080

195.78.54.247:15491

195.78.54.247:8080

2.tcp.eu.ngrok.io:15491

2.tcp.eu.ngrok.io:8080

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
true
install_file
awdawd.exe
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 6 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1196-54-0x0000000000990000-0x00000000009A2000-memory.dmp	asyncrat
C:\Users\Admin\AppData\Roaming\awdawd.exe	asyncrat
\Users\Admin\AppData\Roaming\awdawd.exe	asyncrat
C:\Users\Admin\AppData\Roaming\awdawd.exe	asyncrat
behavioral1/memory/1108-68-0x0000000000E30000-0x0000000000E42000-memory.dmp	asyncrat
behavioral1/memory/1108-69-0x0000000004D50000-0x0000000004D90000-memory.dmp	asyncrat

Executes dropped EXE 1 IoCs

Processes:

awdawd.exe

pid process

1108 awdawd.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1876 cmd.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
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

1872 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1468 timeout.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

AsyncClient.exe

pid process

1196 AsyncClient.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

AsyncClient.exeawdawd.exe

description pid process

Token: SeDebugPrivilege 1196 AsyncClient.exe
Token: SeDebugPrivilege 1108 awdawd.exe

pid	process
1108	awdawd.exe

pid	process
1876	cmd.exe

pid	process
1872	schtasks.exe

pid	process
1468	timeout.exe

pid	process
1196	AsyncClient.exe

description	pid	process
Token: SeDebugPrivilege	1196	AsyncClient.exe
Token: SeDebugPrivilege	1108	awdawd.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

AsyncClient.execmd.execmd.exe

description	pid	process	target process
PID 1196 wrote to memory of 752	1196	AsyncClient.exe	cmd.exe
PID 1196 wrote to memory of 752	1196	AsyncClient.exe	cmd.exe
PID 1196 wrote to memory of 752	1196	AsyncClient.exe	cmd.exe
PID 1196 wrote to memory of 752	1196	AsyncClient.exe	cmd.exe
PID 1196 wrote to memory of 1876	1196	AsyncClient.exe	cmd.exe
PID 1196 wrote to memory of 1876	1196	AsyncClient.exe	cmd.exe
PID 1196 wrote to memory of 1876	1196	AsyncClient.exe	cmd.exe
PID 1196 wrote to memory of 1876	1196	AsyncClient.exe	cmd.exe
PID 752 wrote to memory of 1872	752	cmd.exe	schtasks.exe
PID 752 wrote to memory of 1872	752	cmd.exe	schtasks.exe
PID 752 wrote to memory of 1872	752	cmd.exe	schtasks.exe
PID 752 wrote to memory of 1872	752	cmd.exe	schtasks.exe
PID 1876 wrote to memory of 1468	1876	cmd.exe	timeout.exe
PID 1876 wrote to memory of 1468	1876	cmd.exe	timeout.exe
PID 1876 wrote to memory of 1468	1876	cmd.exe	timeout.exe
PID 1876 wrote to memory of 1468	1876	cmd.exe	timeout.exe
PID 1876 wrote to memory of 1108	1876	cmd.exe	awdawd.exe
PID 1876 wrote to memory of 1108	1876	cmd.exe	awdawd.exe
PID 1876 wrote to memory of 1108	1876	cmd.exe	awdawd.exe
PID 1876 wrote to memory of 1108	1876	cmd.exe	awdawd.exe

C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe
"C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1196

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "awdawd" /tr '"C:\Users\Admin\AppData\Roaming\awdawd.exe"' & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:752

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "awdawd" /tr '"C:\Users\Admin\AppData\Roaming\awdawd.exe"'
3⤵
- Creates scheduled task(s)
PID:1872

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp1298.tmp.bat""
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1876

C:\Windows\SysWOW64\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:1468

C:\Users\Admin\AppData\Roaming\awdawd.exe
"C:\Users\Admin\AppData\Roaming\awdawd.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1108

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1

T1102

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1298.tmp.bat
Filesize
150B

MD5
7663f8de052b362f0d6d5543ea66106f

SHA1
a60661fb4373abd62cac2528c70a7ad42f8f737e

SHA256
d527b873aa193461cdba735fb348ba484ec5042700c9d84087a25b398f1060c3

SHA512
93eaa7ff56259e7d48702c792eccb26d57e7547550a0599b9fa4ae1941a3b2980dbcf4a269264bb681ebfb3059754e962e4d74656aab5daeeaa6a09e461df7ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1298.tmp.bat
Filesize
150B

MD5
7663f8de052b362f0d6d5543ea66106f

SHA1
a60661fb4373abd62cac2528c70a7ad42f8f737e

SHA256
d527b873aa193461cdba735fb348ba484ec5042700c9d84087a25b398f1060c3

SHA512
93eaa7ff56259e7d48702c792eccb26d57e7547550a0599b9fa4ae1941a3b2980dbcf4a269264bb681ebfb3059754e962e4d74656aab5daeeaa6a09e461df7ad

Download Submit
C:\Users\Admin\AppData\Roaming\awdawd.exe
Filesize
45KB

MD5
11c12e50d5c5b0ae6578f770bfb41671

SHA1
87c61e6cad8bf6be174e087784bc5f204648ebe7

SHA256
e2be314cb5392f83e23694be4e43326f746e0067012a5f423d72b2ecc3bb1575

SHA512
b9c0a081c9c2efb87fc34877d508d0bc7a0504882fd04716535cfb6cea3e5dfe64e7ea834f444903de3f334d625f3a45c58508d68c6ee9853dd60d13e10f463a

Download Submit
C:\Users\Admin\AppData\Roaming\awdawd.exe
Filesize
45KB

MD5
11c12e50d5c5b0ae6578f770bfb41671

SHA1
87c61e6cad8bf6be174e087784bc5f204648ebe7

SHA256
e2be314cb5392f83e23694be4e43326f746e0067012a5f423d72b2ecc3bb1575

SHA512
b9c0a081c9c2efb87fc34877d508d0bc7a0504882fd04716535cfb6cea3e5dfe64e7ea834f444903de3f334d625f3a45c58508d68c6ee9853dd60d13e10f463a

Download Submit
\Users\Admin\AppData\Roaming\awdawd.exe
Filesize
45KB

MD5
11c12e50d5c5b0ae6578f770bfb41671

SHA1
87c61e6cad8bf6be174e087784bc5f204648ebe7

SHA256
e2be314cb5392f83e23694be4e43326f746e0067012a5f423d72b2ecc3bb1575

SHA512
b9c0a081c9c2efb87fc34877d508d0bc7a0504882fd04716535cfb6cea3e5dfe64e7ea834f444903de3f334d625f3a45c58508d68c6ee9853dd60d13e10f463a

Download Submit
memory/1108-68-0x0000000000E30000-0x0000000000E42000-memory.dmp

Filesize
72KB

Download
memory/1108-69-0x0000000004D50000-0x0000000004D90000-memory.dmp

Filesize
256KB

Download
memory/1108-70-0x0000000004D50000-0x0000000004D90000-memory.dmp

Filesize
256KB

Download
memory/1196-54-0x0000000000990000-0x00000000009A2000-memory.dmp

Filesize
72KB

Download
memory/1196-55-0x0000000004D10000-0x0000000004D50000-memory.dmp

Filesize
256KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads