asyncrat | 95fbecb2d0b0aa0fa80e02732237fc9eb43fc9f8af1efff062435b44b57f1a03

General

Target

nJhfKDwP.exe
Size

52KB
MD5

4198b4aad34131326392f6ff004bdc3b
SHA1

343397a61c1cb5d96db6c382d0d100a71b7a5675
SHA256

95fbecb2d0b0aa0fa80e02732237fc9eb43fc9f8af1efff062435b44b57f1a03
SHA512

818bfce435a35ddb4d0441235aee77a371334c87c66e7cf261c494ff4feada5dc0c21faee15480aa43e6627f5941dacd32363d5010a2666830f6a21435616e95

Score

10^/10

asyncrat rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

127.0.0.1:4782

cademc.zapto.org:6606

cademc.zapto.org:7707

cademc.zapto.org:8808

cademc.zapto.org:4782

Mutex

AsyncMutex_6SI8OkPnk

Attributes

aes_key
ZhQQk94aHNZ5cX6T38xeg5GO1INH17ha
anti_detection
false
autorun
true
bdos
false
delay
Default
host
127.0.0.1,cademc.zapto.org
hwid
3
install_file
install_folder
%AppData%
mutex
AsyncMutex_6SI8OkPnk
pastebin_config
null
port
6606,7707,8808,4782
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
C:\Users\Admin\AppData\Roaming\JDKUpdater.exe	asyncrat
\Users\Admin\AppData\Roaming\JDKUpdater.exe	asyncrat
C:\Users\Admin\AppData\Roaming\JDKUpdater.exe	asyncrat

Executes dropped EXE 1 IoCs

Processes:

JDKUpdater.exe

pid process

340 JDKUpdater.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

612 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

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

Processes:

timeout.exe

pid process

1120 timeout.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

nJhfKDwP.exe

pid process

1104 nJhfKDwP.exe
1104 nJhfKDwP.exe
1104 nJhfKDwP.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

nJhfKDwP.exeJDKUpdater.exe

description pid process

Token: SeDebugPrivilege 1104 nJhfKDwP.exe
Token: SeDebugPrivilege 340 JDKUpdater.exe

pid	process
340	JDKUpdater.exe

pid	process
612	cmd.exe

pid	process
268	schtasks.exe

pid	process
1120	timeout.exe

pid	process
1104	nJhfKDwP.exe
1104	nJhfKDwP.exe
1104	nJhfKDwP.exe

description	pid	process
Token: SeDebugPrivilege	1104	nJhfKDwP.exe
Token: SeDebugPrivilege	340	JDKUpdater.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

nJhfKDwP.execmd.execmd.exe

description	pid	process	target process
PID 1104 wrote to memory of 848	1104	nJhfKDwP.exe	cmd.exe
PID 1104 wrote to memory of 848	1104	nJhfKDwP.exe	cmd.exe
PID 1104 wrote to memory of 848	1104	nJhfKDwP.exe	cmd.exe
PID 1104 wrote to memory of 848	1104	nJhfKDwP.exe	cmd.exe
PID 1104 wrote to memory of 612	1104	nJhfKDwP.exe	cmd.exe
PID 1104 wrote to memory of 612	1104	nJhfKDwP.exe	cmd.exe
PID 1104 wrote to memory of 612	1104	nJhfKDwP.exe	cmd.exe
PID 1104 wrote to memory of 612	1104	nJhfKDwP.exe	cmd.exe
PID 848 wrote to memory of 268	848	cmd.exe	schtasks.exe
PID 848 wrote to memory of 268	848	cmd.exe	schtasks.exe
PID 848 wrote to memory of 268	848	cmd.exe	schtasks.exe
PID 848 wrote to memory of 268	848	cmd.exe	schtasks.exe
PID 612 wrote to memory of 1120	612	cmd.exe	timeout.exe
PID 612 wrote to memory of 1120	612	cmd.exe	timeout.exe
PID 612 wrote to memory of 1120	612	cmd.exe	timeout.exe
PID 612 wrote to memory of 1120	612	cmd.exe	timeout.exe
PID 612 wrote to memory of 340	612	cmd.exe	JDKUpdater.exe
PID 612 wrote to memory of 340	612	cmd.exe	JDKUpdater.exe
PID 612 wrote to memory of 340	612	cmd.exe	JDKUpdater.exe
PID 612 wrote to memory of 340	612	cmd.exe	JDKUpdater.exe
PID 612 wrote to memory of 340	612	cmd.exe	JDKUpdater.exe
PID 612 wrote to memory of 340	612	cmd.exe	JDKUpdater.exe
PID 612 wrote to memory of 340	612	cmd.exe	JDKUpdater.exe

C:\Users\Admin\AppData\Local\Temp\nJhfKDwP.exe
"C:\Users\Admin\AppData\Local\Temp\nJhfKDwP.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1104

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "JDKUpdater" /tr '"C:\Users\Admin\AppData\Roaming\JDKUpdater.exe"' & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:848

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "JDKUpdater" /tr '"C:\Users\Admin\AppData\Roaming\JDKUpdater.exe"'
3⤵
- Creates scheduled task(s)
PID:268

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp2C10.tmp.bat""
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:612

C:\Windows\SysWOW64\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:1120

C:\Users\Admin\AppData\Roaming\JDKUpdater.exe
"C:\Users\Admin\AppData\Roaming\JDKUpdater.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:340

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\tmp2C10.tmp.bat
MD5
b0f769adb4ede62536185d7eb916644a

SHA1
6cbe926a9367bfd2510bb3937fa838b2d21b8f6c

SHA256
0fe7628e38e1c6f32a54856de68aef7f31734d127fd8eaf32ca3c6b18f6a3e39

SHA512
e26221d18d9163b6e736a0eb528ea5bd28ba54975d8b4ba615ef2ac47e0d18fbf5a8732244988591de1d56f89afa2380161a899a6aaedffc8b78d6a66b3382f2

Download Submit
C:\Users\Admin\AppData\Roaming\JDKUpdater.exe
MD5
4198b4aad34131326392f6ff004bdc3b

SHA1
343397a61c1cb5d96db6c382d0d100a71b7a5675

SHA256
95fbecb2d0b0aa0fa80e02732237fc9eb43fc9f8af1efff062435b44b57f1a03

SHA512
818bfce435a35ddb4d0441235aee77a371334c87c66e7cf261c494ff4feada5dc0c21faee15480aa43e6627f5941dacd32363d5010a2666830f6a21435616e95

Download Submit
C:\Users\Admin\AppData\Roaming\JDKUpdater.exe
MD5
4198b4aad34131326392f6ff004bdc3b

SHA1
343397a61c1cb5d96db6c382d0d100a71b7a5675

SHA256
95fbecb2d0b0aa0fa80e02732237fc9eb43fc9f8af1efff062435b44b57f1a03

SHA512
818bfce435a35ddb4d0441235aee77a371334c87c66e7cf261c494ff4feada5dc0c21faee15480aa43e6627f5941dacd32363d5010a2666830f6a21435616e95

Download Submit
\Users\Admin\AppData\Roaming\JDKUpdater.exe
MD5
4198b4aad34131326392f6ff004bdc3b

SHA1
343397a61c1cb5d96db6c382d0d100a71b7a5675

SHA256
95fbecb2d0b0aa0fa80e02732237fc9eb43fc9f8af1efff062435b44b57f1a03

SHA512
818bfce435a35ddb4d0441235aee77a371334c87c66e7cf261c494ff4feada5dc0c21faee15480aa43e6627f5941dacd32363d5010a2666830f6a21435616e95

Download Submit
memory/268-66-0x0000000000000000-mapping.dmp

Download
memory/340-71-0x0000000000000000-mapping.dmp

Download
memory/340-73-0x0000000001310000-0x0000000001311000-memory.dmp

Filesize
4KB

Download
memory/340-76-0x0000000000600000-0x0000000000601000-memory.dmp

Filesize
4KB

Download
memory/612-65-0x0000000000000000-mapping.dmp

Download
memory/848-64-0x0000000000000000-mapping.dmp

Download
memory/1104-63-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

Filesize
4KB

Download
memory/1104-60-0x00000000011C0000-0x00000000011C1000-memory.dmp

Filesize
4KB

Download
memory/1104-62-0x0000000076E11000-0x0000000076E13000-memory.dmp

Filesize
8KB

Download
memory/1120-68-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads