asyncrat | 1059df2c5d33d674c521109d84af6e7f42f80f49e0e1dd2f988533f475bca62c

General

Target

Exudify/Exudify.exe
Size

338KB
MD5

20b61a58d7cfed8465718f10173636f2
SHA1

6a82be7188d1e7827f24c3ef2a605369075212ec
SHA256

0ea528ae0f3931379941f569ae55f0ec2c0714ccd1c2c36cc39e20ba58e11113
SHA512

473cf9aa35a38499b496a3ace758827e9e9d322fdafbb0d6fb4f7b1ec687b14f49bf2ae044d75dfc9e259dbe913ad4c1fec1777413abf882e349e9bec5f4c1eb
SSDEEP

3072:FUjcxsny6PMVCtDH1b6/bQSEII/ejywpVF1oXgPvak7ndBY:FSy6PMVAVbghEV/e+YoQ6kTD

Score

10^/10

asyncrat exodus discovery rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

exodus

C2

45.154.98.42:4449

Mutex

mtwqrwlcaqjp

Attributes

delay
1
install
true
install_file
exudifyconfig.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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/4952-133-0x0000000000E50000-0x0000000000EAA000-memory.dmp	asyncrat
C:\Users\Admin\AppData\Roaming\exudifyconfig.exe	asyncrat
C:\Users\Admin\AppData\Roaming\exudifyconfig.exe	asyncrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Exudify.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Control Panel\International\Geo\Nation	Exudify.exe

Executes dropped EXE 1 IoCs

Processes:

exudifyconfig.exe

pid process

3748 exudifyconfig.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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

3512 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2236 timeout.exe

pid	process
3748	exudifyconfig.exe

pid	process
3512	schtasks.exe

pid	process
2236	timeout.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

Exudify.exeexudifyconfig.exe

pid	process
4952	Exudify.exe
4952	Exudify.exe
4952	Exudify.exe
4952	Exudify.exe
4952	Exudify.exe
4952	Exudify.exe
4952	Exudify.exe
4952	Exudify.exe
4952	Exudify.exe
4952	Exudify.exe
4952	Exudify.exe
4952	Exudify.exe
4952	Exudify.exe
4952	Exudify.exe
4952	Exudify.exe
4952	Exudify.exe
4952	Exudify.exe
4952	Exudify.exe
4952	Exudify.exe
4952	Exudify.exe
4952	Exudify.exe
4952	Exudify.exe
4952	Exudify.exe
3748	exudifyconfig.exe
3748	exudifyconfig.exe
3748	exudifyconfig.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Exudify.exeexudifyconfig.exe

description pid process

Token: SeDebugPrivilege 4952 Exudify.exe
Token: SeDebugPrivilege 3748 exudifyconfig.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

exudifyconfig.exe

pid process

3748 exudifyconfig.exe

description	pid	process
Token: SeDebugPrivilege	4952	Exudify.exe
Token: SeDebugPrivilege	3748	exudifyconfig.exe

pid	process
3748	exudifyconfig.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

Exudify.execmd.execmd.exe

description	pid	process	target process
PID 4952 wrote to memory of 2644	4952	Exudify.exe	cmd.exe
PID 4952 wrote to memory of 2644	4952	Exudify.exe	cmd.exe
PID 4952 wrote to memory of 1320	4952	Exudify.exe	cmd.exe
PID 4952 wrote to memory of 1320	4952	Exudify.exe	cmd.exe
PID 2644 wrote to memory of 3512	2644	cmd.exe	schtasks.exe
PID 2644 wrote to memory of 3512	2644	cmd.exe	schtasks.exe
PID 1320 wrote to memory of 2236	1320	cmd.exe	timeout.exe
PID 1320 wrote to memory of 2236	1320	cmd.exe	timeout.exe
PID 1320 wrote to memory of 3748	1320	cmd.exe	exudifyconfig.exe
PID 1320 wrote to memory of 3748	1320	cmd.exe	exudifyconfig.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\Exudify\Exudify.exe
"C:\Users\Admin\AppData\Local\Temp\Exudify\Exudify.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4952

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "exudifyconfig" /tr '"C:\Users\Admin\AppData\Roaming\exudifyconfig.exe"' & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2644

C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "exudifyconfig" /tr '"C:\Users\Admin\AppData\Roaming\exudifyconfig.exe"'
3⤵
- Creates scheduled task(s)
PID:3512

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp745A.tmp.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:1320

C:\Windows\system32\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:2236

C:\Users\Admin\AppData\Roaming\exudifyconfig.exe
"C:\Users\Admin\AppData\Roaming\exudifyconfig.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3748

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

Query Registry

3

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp745A.tmp.bat
Filesize
157B

MD5
e7e919e61f539a4f8037ff86760cb70c

SHA1
ed66004f4dd2360bf8b65d759342d078601c30e9

SHA256
2252fdd90a842f4affeaf1976231ad78630e8c09ea2045c6e532993db0e599c0

SHA512
f02e3b3d8d52c73868a6eea2f0793ed20e97867f00ff9873b255f3191ea4ea7b814deb96df5ac8a467e7926da78d7c069b53bdea726d2533de37fab179a0a45a

Download Submit
C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf
Filesize
8B

MD5
cf759e4c5f14fe3eec41b87ed756cea8

SHA1
c27c796bb3c2fac929359563676f4ba1ffada1f5

SHA256
c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

SHA512
c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

Download Submit
C:\Users\Admin\AppData\Roaming\exudifyconfig.exe
Filesize
338KB

MD5
20b61a58d7cfed8465718f10173636f2

SHA1
6a82be7188d1e7827f24c3ef2a605369075212ec

SHA256
0ea528ae0f3931379941f569ae55f0ec2c0714ccd1c2c36cc39e20ba58e11113

SHA512
473cf9aa35a38499b496a3ace758827e9e9d322fdafbb0d6fb4f7b1ec687b14f49bf2ae044d75dfc9e259dbe913ad4c1fec1777413abf882e349e9bec5f4c1eb

Download Submit
C:\Users\Admin\AppData\Roaming\exudifyconfig.exe
Filesize
338KB

MD5
20b61a58d7cfed8465718f10173636f2

SHA1
6a82be7188d1e7827f24c3ef2a605369075212ec

SHA256
0ea528ae0f3931379941f569ae55f0ec2c0714ccd1c2c36cc39e20ba58e11113

SHA512
473cf9aa35a38499b496a3ace758827e9e9d322fdafbb0d6fb4f7b1ec687b14f49bf2ae044d75dfc9e259dbe913ad4c1fec1777413abf882e349e9bec5f4c1eb

Download Submit
memory/3748-145-0x000000001BC20000-0x000000001BC30000-memory.dmp

Filesize
64KB

Download
memory/3748-146-0x000000001BC20000-0x000000001BC30000-memory.dmp

Filesize
64KB

Download
memory/3748-147-0x000000001BC20000-0x000000001BC30000-memory.dmp

Filesize
64KB

Download
memory/3748-148-0x000000001BC20000-0x000000001BC30000-memory.dmp

Filesize
64KB

Download
memory/3748-149-0x000000001BC20000-0x000000001BC30000-memory.dmp

Filesize
64KB

Download
memory/3748-150-0x000000001BC20000-0x000000001BC30000-memory.dmp

Filesize
64KB

Download
memory/4952-133-0x0000000000E50000-0x0000000000EAA000-memory.dmp

Filesize
360KB

Download
memory/4952-135-0x00000000018C0000-0x00000000018D0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads