asyncrat | 0190d8f34a79387e40de95958d59899ad99dd8bf17810e53502499810aae8aa6

General

Target

0190d8f34a79387e40de95958d59899ad99dd8bf17810e53502499810aae8aa6.exe
Size

615KB
MD5

707b8e65a6d7458fecc11f6ad9936854
SHA1

c32ba8c6988a3dab852f38ccc6423c1d0adfaa72
SHA256

0190d8f34a79387e40de95958d59899ad99dd8bf17810e53502499810aae8aa6
SHA512

313403eb5ed4dd579d3a2fb74ce6a411b5fe120680756a8679775eb5aabc7179f0e7833917e37594000c71331590ee3bc16298cf58ed4104024f98ccaf5ada80

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

127.0.0.1:1194

127.0.0.1:61906

minerboy123-61906.portmap.host:1194

minerboy123-61906.portmap.host:61906

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
true
install_file
Windows Explorer.exe
install_folder
%AppData%

aes.plain

Signatures

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

Async RAT payload 8 IoCs

rat

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Tempwinlogon.exe	asyncrat
C:\Users\Admin\AppData\Local\Tempwinlogon.exe	asyncrat
C:\Users\Admin\AppData\Local\Tempwinlogon.exe	asyncrat
behavioral1/memory/1108-62-0x0000000000AA0000-0x0000000000ABE000-memory.dmp	asyncrat
\Users\Admin\AppData\Roaming\Windows Explorer.exe	asyncrat
C:\Users\Admin\AppData\Roaming\Windows Explorer.exe	asyncrat
C:\Users\Admin\AppData\Roaming\Windows Explorer.exe	asyncrat
behavioral1/memory/1560-73-0x0000000001380000-0x000000000139E000-memory.dmp	asyncrat

Executes dropped EXE 2 IoCs

Processes:

Tempwinlogon.exeWindows Explorer.exe

pid process

1108 Tempwinlogon.exe
1560 Windows Explorer.exe
Loads dropped DLL 2 IoCs

Processes:

cscript.execmd.exe

pid process

1340 cscript.exe
1532 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

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

Processes:

timeout.exe

pid process

608 timeout.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Tempwinlogon.exe

pid process

1108 Tempwinlogon.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Tempwinlogon.exeWindows Explorer.exe

description pid process

Token: SeDebugPrivilege 1108 Tempwinlogon.exe
Token: SeDebugPrivilege 1560 Windows Explorer.exe

pid	process
1108	Tempwinlogon.exe
1560	Windows Explorer.exe

pid	process
1340	cscript.exe
1532	cmd.exe

pid	process
696	schtasks.exe

pid	process
608	timeout.exe

pid	process
1108	Tempwinlogon.exe

description	pid	process
Token: SeDebugPrivilege	1108	Tempwinlogon.exe
Token: SeDebugPrivilege	1560	Windows Explorer.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

0190d8f34a79387e40de95958d59899ad99dd8bf17810e53502499810aae8aa6.execscript.exeTempwinlogon.execmd.execmd.exe

description	pid	process	target process
PID 2028 wrote to memory of 1340	2028	0190d8f34a79387e40de95958d59899ad99dd8bf17810e53502499810aae8aa6.exe	cscript.exe
PID 2028 wrote to memory of 1340	2028	0190d8f34a79387e40de95958d59899ad99dd8bf17810e53502499810aae8aa6.exe	cscript.exe
PID 2028 wrote to memory of 1340	2028	0190d8f34a79387e40de95958d59899ad99dd8bf17810e53502499810aae8aa6.exe	cscript.exe
PID 2028 wrote to memory of 1340	2028	0190d8f34a79387e40de95958d59899ad99dd8bf17810e53502499810aae8aa6.exe	cscript.exe
PID 1340 wrote to memory of 1108	1340	cscript.exe	Tempwinlogon.exe
PID 1340 wrote to memory of 1108	1340	cscript.exe	Tempwinlogon.exe
PID 1340 wrote to memory of 1108	1340	cscript.exe	Tempwinlogon.exe
PID 1340 wrote to memory of 1108	1340	cscript.exe	Tempwinlogon.exe
PID 1108 wrote to memory of 1548	1108	Tempwinlogon.exe	cmd.exe
PID 1108 wrote to memory of 1548	1108	Tempwinlogon.exe	cmd.exe
PID 1108 wrote to memory of 1548	1108	Tempwinlogon.exe	cmd.exe
PID 1108 wrote to memory of 1548	1108	Tempwinlogon.exe	cmd.exe
PID 1108 wrote to memory of 1532	1108	Tempwinlogon.exe	cmd.exe
PID 1108 wrote to memory of 1532	1108	Tempwinlogon.exe	cmd.exe
PID 1108 wrote to memory of 1532	1108	Tempwinlogon.exe	cmd.exe
PID 1108 wrote to memory of 1532	1108	Tempwinlogon.exe	cmd.exe
PID 1548 wrote to memory of 696	1548	cmd.exe	schtasks.exe
PID 1548 wrote to memory of 696	1548	cmd.exe	schtasks.exe
PID 1548 wrote to memory of 696	1548	cmd.exe	schtasks.exe
PID 1548 wrote to memory of 696	1548	cmd.exe	schtasks.exe
PID 1532 wrote to memory of 608	1532	cmd.exe	timeout.exe
PID 1532 wrote to memory of 608	1532	cmd.exe	timeout.exe
PID 1532 wrote to memory of 608	1532	cmd.exe	timeout.exe
PID 1532 wrote to memory of 608	1532	cmd.exe	timeout.exe
PID 1532 wrote to memory of 1560	1532	cmd.exe	Windows Explorer.exe
PID 1532 wrote to memory of 1560	1532	cmd.exe	Windows Explorer.exe
PID 1532 wrote to memory of 1560	1532	cmd.exe	Windows Explorer.exe
PID 1532 wrote to memory of 1560	1532	cmd.exe	Windows Explorer.exe

C:\Users\Admin\AppData\Local\Temp\0190d8f34a79387e40de95958d59899ad99dd8bf17810e53502499810aae8aa6.exe
"C:\Users\Admin\AppData\Local\Temp\0190d8f34a79387e40de95958d59899ad99dd8bf17810e53502499810aae8aa6.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\SysWOW64\cscript.exe
"cscript" C:\Users\Admin\AppData\Local\Temp\6D5.tmp\CryptedAsync.vbs
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1340

C:\Users\Admin\AppData\Local\Tempwinlogon.exe
"C:\Users\Admin\AppData\Local\Tempwinlogon.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1108

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Windows Explorer" /tr '"C:\Users\Admin\AppData\Roaming\Windows Explorer.exe"' & exit
4⤵
- Suspicious use of WriteProcessMemory
PID:1548

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "Windows Explorer" /tr '"C:\Users\Admin\AppData\Roaming\Windows Explorer.exe"'
5⤵
- Creates scheduled task(s)
PID:696

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp314E.tmp.bat""
4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1532

C:\Windows\SysWOW64\timeout.exe
timeout 3
5⤵
- Delays execution with timeout.exe
PID:608

C:\Users\Admin\AppData\Roaming\Windows Explorer.exe
"C:\Users\Admin\AppData\Roaming\Windows Explorer.exe"
5⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1560

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\6D5.tmp\CryptedAsync.vbs
Filesize
577KB

MD5
473198cc93fa0767a9875a4203808f2d

SHA1
267435de27e285e312cf90f2f4cd9b46023c5a4f

SHA256
4aa4f8345805470d5185327fc06b946f2f690dd983a79343cc3dd7488d6ab9ec

SHA512
c3beef74ee7924bfece3418a2522abf87f8051d9022483454ce286789418b36d55fe6d64df29da865faf2ce8f161723d77b9d1a8a058af15a1c60aef36e04308

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp314E.tmp.bat
Filesize
160B

MD5
9060f8c61fbd611630de699da8a2d439

SHA1
5231a2833b612b1a444e3d993a9b08169a597907

SHA256
f2370ab64f1e29d59b18d70cce5f01e48c89e26480d82ac488d51c2681356184

SHA512
4a4114e16415eeae6e8f615bb1a55664aa947526c970aa550797178be2fb2dd622ecfc8edbe8e1bcf6b86b04bad03c612d92f92fab1de258f3a0298bf8e578e1

Download Submit
C:\Users\Admin\AppData\Local\Tempwinlogon.exe
Filesize
96KB

MD5
3437d71b31312c0c0bc33b06fa42741b

SHA1
38d4338f4aa3eb3a190725d9281f5b972160161a

SHA256
62205ec6c648a46c4ad0d1b7a63965f6bd94acda50149478dc05a1f5af6ff215

SHA512
b20402563a66c969d4e2251260f9cffa3c8c3a4de1a9c1a16386b681b3b3e78fb8aa294203bb430dc08859ac366a7376d9855128d216179f66fa20eab8ecbf62

Download Submit
C:\Users\Admin\AppData\Local\Tempwinlogon.exe
Filesize
96KB

MD5
3437d71b31312c0c0bc33b06fa42741b

SHA1
38d4338f4aa3eb3a190725d9281f5b972160161a

SHA256
62205ec6c648a46c4ad0d1b7a63965f6bd94acda50149478dc05a1f5af6ff215

SHA512
b20402563a66c969d4e2251260f9cffa3c8c3a4de1a9c1a16386b681b3b3e78fb8aa294203bb430dc08859ac366a7376d9855128d216179f66fa20eab8ecbf62

Download Submit
C:\Users\Admin\AppData\Roaming\Windows Explorer.exe
Filesize
96KB

MD5
3437d71b31312c0c0bc33b06fa42741b

SHA1
38d4338f4aa3eb3a190725d9281f5b972160161a

SHA256
62205ec6c648a46c4ad0d1b7a63965f6bd94acda50149478dc05a1f5af6ff215

SHA512
b20402563a66c969d4e2251260f9cffa3c8c3a4de1a9c1a16386b681b3b3e78fb8aa294203bb430dc08859ac366a7376d9855128d216179f66fa20eab8ecbf62

Download Submit
C:\Users\Admin\AppData\Roaming\Windows Explorer.exe
Filesize
96KB

MD5
3437d71b31312c0c0bc33b06fa42741b

SHA1
38d4338f4aa3eb3a190725d9281f5b972160161a

SHA256
62205ec6c648a46c4ad0d1b7a63965f6bd94acda50149478dc05a1f5af6ff215

SHA512
b20402563a66c969d4e2251260f9cffa3c8c3a4de1a9c1a16386b681b3b3e78fb8aa294203bb430dc08859ac366a7376d9855128d216179f66fa20eab8ecbf62

Download Submit
\Users\Admin\AppData\Local\Tempwinlogon.exe
Filesize
96KB

MD5
3437d71b31312c0c0bc33b06fa42741b

SHA1
38d4338f4aa3eb3a190725d9281f5b972160161a

SHA256
62205ec6c648a46c4ad0d1b7a63965f6bd94acda50149478dc05a1f5af6ff215

SHA512
b20402563a66c969d4e2251260f9cffa3c8c3a4de1a9c1a16386b681b3b3e78fb8aa294203bb430dc08859ac366a7376d9855128d216179f66fa20eab8ecbf62

Download Submit
\Users\Admin\AppData\Roaming\Windows Explorer.exe
Filesize
96KB

MD5
3437d71b31312c0c0bc33b06fa42741b

SHA1
38d4338f4aa3eb3a190725d9281f5b972160161a

SHA256
62205ec6c648a46c4ad0d1b7a63965f6bd94acda50149478dc05a1f5af6ff215

SHA512
b20402563a66c969d4e2251260f9cffa3c8c3a4de1a9c1a16386b681b3b3e78fb8aa294203bb430dc08859ac366a7376d9855128d216179f66fa20eab8ecbf62

Download Submit
memory/608-68-0x0000000000000000-mapping.dmp

Download
memory/696-66-0x0000000000000000-mapping.dmp

Download
memory/1108-59-0x0000000000000000-mapping.dmp

Download
memory/1108-62-0x0000000000AA0000-0x0000000000ABE000-memory.dmp

Filesize
120KB

Download
memory/1340-55-0x0000000000000000-mapping.dmp

Download
memory/1532-65-0x0000000000000000-mapping.dmp

Download
memory/1548-64-0x0000000000000000-mapping.dmp

Download
memory/1560-71-0x0000000000000000-mapping.dmp

Download
memory/1560-73-0x0000000001380000-0x000000000139E000-memory.dmp

Filesize
120KB

Download
memory/2028-54-0x0000000075FE1000-0x0000000075FE3000-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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Downloads