asyncrat | 722dbfc5c333cdc63d078de5097c88acaee7512c37f45ce2cd5829f651aea5f2

General

Target

df759db973efd54d3d5b8b3ddf35d623.exe
Size

121KB
MD5

df759db973efd54d3d5b8b3ddf35d623
SHA1

df59c69ab3ced3f1047eafce082043c5d0e2b551
SHA256

722dbfc5c333cdc63d078de5097c88acaee7512c37f45ce2cd5829f651aea5f2
SHA512

56920f82347ece78c961adb762342417a546f26dde3bf38d8e59081ac6fe94f30b529eb08019c7d579ea5186374020710808efef8a8deb8aad5a183bcb6615e6

Score

10^/10

asyncrat rat suricata

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

C2

147.189.171.186:1337

Mutex

AsyncMutex_6SI8OkPnk

Attributes

aes_key
O3pcOHIsp8UIns8G3yPeO591MZISl4RN
anti_detection
false
autorun
true
bdos
false
delay
Default
host
147.189.171.186
hwid
3
install_file
install_folder
%AppData%
mutex
AsyncMutex_6SI8OkPnk
pastebin_config
null
port
1337
version
0.5.7B

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
suricata

Async RAT payload 5 IoCs

rat

Processes:

resource	yara_rule
C:\Windows\serverstart.exe	asyncrat
C:\Windows\serverstart.exe	asyncrat
\Users\Admin\AppData\Roaming\Discord.exe	asyncrat
C:\Users\Admin\AppData\Roaming\Discord.exe	asyncrat
C:\Users\Admin\AppData\Roaming\Discord.exe	asyncrat

Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

serverstart.exeDiscord.exe

pid process

1568 serverstart.exe
892 Discord.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

292 cmd.exe
Drops file in Windows directory 1 IoCs

Processes:

df759db973efd54d3d5b8b3ddf35d623.exe

description ioc process

File created C:\Windows\serverstart.exe df759db973efd54d3d5b8b3ddf35d623.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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

1448 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1952 timeout.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

serverstart.exe

pid process

1568 serverstart.exe
1568 serverstart.exe
1568 serverstart.exe

pid	process
1568	serverstart.exe
892	Discord.exe

pid	process
292	cmd.exe

description	ioc	process
File created	C:\Windows\serverstart.exe	df759db973efd54d3d5b8b3ddf35d623.exe

pid	process
1448	schtasks.exe

pid	process
1952	timeout.exe

pid	process
1568	serverstart.exe
1568	serverstart.exe
1568	serverstart.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

df759db973efd54d3d5b8b3ddf35d623.exeserverstart.exeDiscord.exe

description	pid	process
Token: SeDebugPrivilege	1088	df759db973efd54d3d5b8b3ddf35d623.exe
Token: SeDebugPrivilege	1568	serverstart.exe
Token: SeDebugPrivilege	892	Discord.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

df759db973efd54d3d5b8b3ddf35d623.exeserverstart.execmd.execmd.exe

description	pid	process	target process
PID 1088 wrote to memory of 1568	1088	df759db973efd54d3d5b8b3ddf35d623.exe	serverstart.exe
PID 1088 wrote to memory of 1568	1088	df759db973efd54d3d5b8b3ddf35d623.exe	serverstart.exe
PID 1088 wrote to memory of 1568	1088	df759db973efd54d3d5b8b3ddf35d623.exe	serverstart.exe
PID 1088 wrote to memory of 1568	1088	df759db973efd54d3d5b8b3ddf35d623.exe	serverstart.exe
PID 1088 wrote to memory of 1568	1088	df759db973efd54d3d5b8b3ddf35d623.exe	serverstart.exe
PID 1088 wrote to memory of 1568	1088	df759db973efd54d3d5b8b3ddf35d623.exe	serverstart.exe
PID 1088 wrote to memory of 1568	1088	df759db973efd54d3d5b8b3ddf35d623.exe	serverstart.exe
PID 1568 wrote to memory of 396	1568	serverstart.exe	cmd.exe
PID 1568 wrote to memory of 396	1568	serverstart.exe	cmd.exe
PID 1568 wrote to memory of 396	1568	serverstart.exe	cmd.exe
PID 1568 wrote to memory of 396	1568	serverstart.exe	cmd.exe
PID 1568 wrote to memory of 292	1568	serverstart.exe	cmd.exe
PID 1568 wrote to memory of 292	1568	serverstart.exe	cmd.exe
PID 1568 wrote to memory of 292	1568	serverstart.exe	cmd.exe
PID 1568 wrote to memory of 292	1568	serverstart.exe	cmd.exe
PID 396 wrote to memory of 1448	396	cmd.exe	schtasks.exe
PID 396 wrote to memory of 1448	396	cmd.exe	schtasks.exe
PID 396 wrote to memory of 1448	396	cmd.exe	schtasks.exe
PID 396 wrote to memory of 1448	396	cmd.exe	schtasks.exe
PID 292 wrote to memory of 1952	292	cmd.exe	timeout.exe
PID 292 wrote to memory of 1952	292	cmd.exe	timeout.exe
PID 292 wrote to memory of 1952	292	cmd.exe	timeout.exe
PID 292 wrote to memory of 1952	292	cmd.exe	timeout.exe
PID 292 wrote to memory of 892	292	cmd.exe	Discord.exe
PID 292 wrote to memory of 892	292	cmd.exe	Discord.exe
PID 292 wrote to memory of 892	292	cmd.exe	Discord.exe
PID 292 wrote to memory of 892	292	cmd.exe	Discord.exe
PID 292 wrote to memory of 892	292	cmd.exe	Discord.exe
PID 292 wrote to memory of 892	292	cmd.exe	Discord.exe
PID 292 wrote to memory of 892	292	cmd.exe	Discord.exe

C:\Users\Admin\AppData\Local\Temp\df759db973efd54d3d5b8b3ddf35d623.exe
"C:\Users\Admin\AppData\Local\Temp\df759db973efd54d3d5b8b3ddf35d623.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1088

C:\Windows\serverstart.exe
"C:\Windows\serverstart.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1568

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Discord" /tr '"C:\Users\Admin\AppData\Roaming\Discord.exe"' & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:396

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "Discord" /tr '"C:\Users\Admin\AppData\Roaming\Discord.exe"'
4⤵
- Creates scheduled task(s)
PID:1448

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp5698.tmp.bat""
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:292

C:\Windows\SysWOW64\timeout.exe
timeout 3
4⤵
- Delays execution with timeout.exe
PID:1952

C:\Users\Admin\AppData\Roaming\Discord.exe
"C:\Users\Admin\AppData\Roaming\Discord.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:892

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

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5698.tmp.bat
MD5
b6a3fef370ec6d0a17a50821209d16cf

SHA1
cba0869b40841253bd0540b8f8f33c9691375d2d

SHA256
a27fabaf740b56ac2c16cb5179a3a80adb93864e070e71f20d6d63e66e43af73

SHA512
589ace912214bab4b42bf8098d6ba4ad450098f337c6f6a0ef45fdde0fc60bb845d7b8c6cd7db6782ce0ba0b9cc5176bce4504f871868af53058506cb33ef96f

Download Submit
C:\Users\Admin\AppData\Roaming\Discord.exe
MD5
df296f530ef7511fc617555ea439a832

SHA1
f7378a53dd806c2a10821a4c8373397ea2a1015d

SHA256
6527e25f86c1902c430fc0e52769359f831365969c35fc12ef837b7b63fcc939

SHA512
1b3a530aea31847b36b0b852690b830f89189922a784ac5f839c1f66b0c01093822cd9e6bb104a3e9cba6b05ac2395e4b8b6be33f717910014d469eb41b3c277

Download Submit
C:\Users\Admin\AppData\Roaming\Discord.exe
MD5
df296f530ef7511fc617555ea439a832

SHA1
f7378a53dd806c2a10821a4c8373397ea2a1015d

SHA256
6527e25f86c1902c430fc0e52769359f831365969c35fc12ef837b7b63fcc939

SHA512
1b3a530aea31847b36b0b852690b830f89189922a784ac5f839c1f66b0c01093822cd9e6bb104a3e9cba6b05ac2395e4b8b6be33f717910014d469eb41b3c277

Download Submit
C:\Windows\serverstart.exe
MD5
df296f530ef7511fc617555ea439a832

SHA1
f7378a53dd806c2a10821a4c8373397ea2a1015d

SHA256
6527e25f86c1902c430fc0e52769359f831365969c35fc12ef837b7b63fcc939

SHA512
1b3a530aea31847b36b0b852690b830f89189922a784ac5f839c1f66b0c01093822cd9e6bb104a3e9cba6b05ac2395e4b8b6be33f717910014d469eb41b3c277

Download Submit
C:\Windows\serverstart.exe
MD5
df296f530ef7511fc617555ea439a832

SHA1
f7378a53dd806c2a10821a4c8373397ea2a1015d

SHA256
6527e25f86c1902c430fc0e52769359f831365969c35fc12ef837b7b63fcc939

SHA512
1b3a530aea31847b36b0b852690b830f89189922a784ac5f839c1f66b0c01093822cd9e6bb104a3e9cba6b05ac2395e4b8b6be33f717910014d469eb41b3c277

Download Submit
\Users\Admin\AppData\Roaming\Discord.exe
MD5
df296f530ef7511fc617555ea439a832

SHA1
f7378a53dd806c2a10821a4c8373397ea2a1015d

SHA256
6527e25f86c1902c430fc0e52769359f831365969c35fc12ef837b7b63fcc939

SHA512
1b3a530aea31847b36b0b852690b830f89189922a784ac5f839c1f66b0c01093822cd9e6bb104a3e9cba6b05ac2395e4b8b6be33f717910014d469eb41b3c277

Download Submit
memory/292-71-0x0000000000000000-mapping.dmp

Download
memory/396-70-0x0000000000000000-mapping.dmp

Download
memory/892-77-0x0000000000000000-mapping.dmp

Download
memory/892-79-0x0000000000C50000-0x0000000000C51000-memory.dmp

Filesize
4KB

Download
memory/892-82-0x0000000004C80000-0x0000000004C81000-memory.dmp

Filesize
4KB

Download
memory/1088-59-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/1088-62-0x0000000002060000-0x0000000002061000-memory.dmp

Filesize
4KB

Download
memory/1088-61-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download
memory/1448-73-0x0000000000000000-mapping.dmp

Download
memory/1568-69-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1568-66-0x0000000000F50000-0x0000000000F51000-memory.dmp

Filesize
4KB

Download
memory/1568-63-0x0000000000000000-mapping.dmp

Download
memory/1952-74-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads