asyncrat | c4f1607f0ed89f4e6f26de27bd67cc511acdebdcc92441ed760fefbd190d1e32

General

Target

Stub.exe
Size

45KB
MD5

73bcac6a9b04a0e3afa2f1b62103aeec
SHA1

7583daee7155733d88e1f1e688af6ed3245fba9c
SHA256

c4f1607f0ed89f4e6f26de27bd67cc511acdebdcc92441ed760fefbd190d1e32
SHA512

91ea25865e4f7658a03f35a3a3a883f06fd2bb5533a2bc7f311afc69d780b59fccc9fa98e43eacb1039ac2feb6295c3eab45c843f0ec226d1997c26af599b90e

Score

10^/10

asyncrat rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

C2

mazi.ddns.net:2066

Mutex

AsyncMutex_6SI8OkPnk

Attributes

aes_key
QOvO5FC2sdXjluSQPHx2mlSamLh7qeQR
anti_detection
false
autorun
true
bdos
false
delay
Default
host
mazi.ddns.net
hwid
10
install_file
install_folder
%AppData%
mutex
AsyncMutex_6SI8OkPnk
pastebin_config
null
port
2066
version
0.5.7B

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat

Async RAT payload 3 IoCs

rat

Processes:

resource	yara_rule
\Users\Admin\AppData\Roaming\DONDON.exe	asyncrat
C:\Users\Admin\AppData\Roaming\DONDON.exe	asyncrat
C:\Users\Admin\AppData\Roaming\DONDON.exe	asyncrat

Executes dropped EXE 1 IoCs

Processes:

DONDON.exe

pid process

1708 DONDON.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1568 cmd.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

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

Processes:

timeout.exe

pid process

288 timeout.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Stub.exe

pid process

1848 Stub.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Stub.exeDONDON.exe

description pid process

Token: SeDebugPrivilege 1848 Stub.exe
Token: SeDebugPrivilege 1708 DONDON.exe

pid	process
1708	DONDON.exe

pid	process
1568	cmd.exe

pid	process
992	schtasks.exe

pid	process
288	timeout.exe

pid	process
1848	Stub.exe

description	pid	process
Token: SeDebugPrivilege	1848	Stub.exe
Token: SeDebugPrivilege	1708	DONDON.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

Stub.execmd.execmd.exe

description	pid	process	target process
PID 1848 wrote to memory of 1508	1848	Stub.exe	cmd.exe
PID 1848 wrote to memory of 1508	1848	Stub.exe	cmd.exe
PID 1848 wrote to memory of 1508	1848	Stub.exe	cmd.exe
PID 1848 wrote to memory of 1508	1848	Stub.exe	cmd.exe
PID 1848 wrote to memory of 1568	1848	Stub.exe	cmd.exe
PID 1848 wrote to memory of 1568	1848	Stub.exe	cmd.exe
PID 1848 wrote to memory of 1568	1848	Stub.exe	cmd.exe
PID 1848 wrote to memory of 1568	1848	Stub.exe	cmd.exe
PID 1508 wrote to memory of 992	1508	cmd.exe	schtasks.exe
PID 1508 wrote to memory of 992	1508	cmd.exe	schtasks.exe
PID 1508 wrote to memory of 992	1508	cmd.exe	schtasks.exe
PID 1508 wrote to memory of 992	1508	cmd.exe	schtasks.exe
PID 1568 wrote to memory of 288	1568	cmd.exe	timeout.exe
PID 1568 wrote to memory of 288	1568	cmd.exe	timeout.exe
PID 1568 wrote to memory of 288	1568	cmd.exe	timeout.exe
PID 1568 wrote to memory of 288	1568	cmd.exe	timeout.exe
PID 1568 wrote to memory of 1708	1568	cmd.exe	DONDON.exe
PID 1568 wrote to memory of 1708	1568	cmd.exe	DONDON.exe
PID 1568 wrote to memory of 1708	1568	cmd.exe	DONDON.exe
PID 1568 wrote to memory of 1708	1568	cmd.exe	DONDON.exe

C:\Users\Admin\AppData\Local\Temp\Stub.exe
"C:\Users\Admin\AppData\Local\Temp\Stub.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1848

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "DONDON" /tr '"C:\Users\Admin\AppData\Roaming\DONDON.exe"' & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1508

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "DONDON" /tr '"C:\Users\Admin\AppData\Roaming\DONDON.exe"'
3⤵
- Creates scheduled task(s)
PID:992

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpDB42.tmp.bat""
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1568

C:\Windows\SysWOW64\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:288

C:\Users\Admin\AppData\Roaming\DONDON.exe
"C:\Users\Admin\AppData\Roaming\DONDON.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1708

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\tmpDB42.tmp.bat
MD5
b03ee95f014b0074de46008416faeb0d

SHA1
6920fa1de7beb479c8b3a3f04b4fb8d1537f2d04

SHA256
6dbfc19b8ed813caba0c7ad05a66d1285858e366d04b7d47a5534005f4acb28b

SHA512
8b627139a73a06586d786b75922ccd23fea01372586f6924a3b83b85bc314c5d64d11fd869836aa0a8310926dbab3ff737e108590167f8701d54d14c8540d10b

Download Submit
C:\Users\Admin\AppData\Roaming\DONDON.exe
MD5
73bcac6a9b04a0e3afa2f1b62103aeec

SHA1
7583daee7155733d88e1f1e688af6ed3245fba9c

SHA256
c4f1607f0ed89f4e6f26de27bd67cc511acdebdcc92441ed760fefbd190d1e32

SHA512
91ea25865e4f7658a03f35a3a3a883f06fd2bb5533a2bc7f311afc69d780b59fccc9fa98e43eacb1039ac2feb6295c3eab45c843f0ec226d1997c26af599b90e

Download Submit
C:\Users\Admin\AppData\Roaming\DONDON.exe
MD5
73bcac6a9b04a0e3afa2f1b62103aeec

SHA1
7583daee7155733d88e1f1e688af6ed3245fba9c

SHA256
c4f1607f0ed89f4e6f26de27bd67cc511acdebdcc92441ed760fefbd190d1e32

SHA512
91ea25865e4f7658a03f35a3a3a883f06fd2bb5533a2bc7f311afc69d780b59fccc9fa98e43eacb1039ac2feb6295c3eab45c843f0ec226d1997c26af599b90e

Download Submit
\Users\Admin\AppData\Roaming\DONDON.exe
MD5
73bcac6a9b04a0e3afa2f1b62103aeec

SHA1
7583daee7155733d88e1f1e688af6ed3245fba9c

SHA256
c4f1607f0ed89f4e6f26de27bd67cc511acdebdcc92441ed760fefbd190d1e32

SHA512
91ea25865e4f7658a03f35a3a3a883f06fd2bb5533a2bc7f311afc69d780b59fccc9fa98e43eacb1039ac2feb6295c3eab45c843f0ec226d1997c26af599b90e

Download Submit
memory/288-67-0x0000000000000000-mapping.dmp

Download
memory/992-66-0x0000000000000000-mapping.dmp

Download
memory/1508-63-0x0000000000000000-mapping.dmp

Download
memory/1568-64-0x0000000000000000-mapping.dmp

Download
memory/1708-70-0x0000000000000000-mapping.dmp

Download
memory/1708-72-0x0000000000810000-0x0000000000811000-memory.dmp

Filesize
4KB

Download
memory/1708-75-0x00000000046B0000-0x00000000046B1000-memory.dmp

Filesize
4KB

Download
memory/1848-59-0x0000000001050000-0x0000000001051000-memory.dmp

Filesize
4KB

Download
memory/1848-62-0x0000000004D50000-0x0000000004D51000-memory.dmp

Filesize
4KB

Download
memory/1848-61-0x00000000757C1000-0x00000000757C3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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