asyncrat | d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/12/2024, 04:57 UTC

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General

Target

d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
Size

48KB
MD5

dfeaafa71cc4f33a546b050aefb83519
SHA1

3b34503a035774a83927fb5fc99a060c84e9b9e9
SHA256

d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f
SHA512

70c9ea4f9ee001648d85e11c6b6bc316b83c29866b97cb60fe2dc8f0994a721dcc77d9930020e5bbd19cab53a58cdf13c9af8d2f46d8e492d5e8e28d4c6763d4
SSDEEP

768:zukaVT3ongoWU2Gjimo2qrInm5FtxsWPIsm3TcSU0bFrBM/WTepY8hUudDHBkSJx:zukaVT3Q+27OHxsfsm3tbBrTIh7HeS5V

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

14.243.221.170:3322

Mutex

ynBzTukwLg8N

Attributes

delay
3
install
true
install_file
roIrMC.exe
install_folder
%Temp%

aes.plain

1
gi9GetYdJhVNpQ8EeSRDBjXZndLXRbWA

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Asyncrat family
asyncrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x0008000000023cbf-11.dat	family_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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe

Executes dropped EXE 1 IoCs

pid	Process
1980	roIrMC.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	roIrMC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4900	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3604	schtasks.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
Token: SeDebugPrivilege	1980	roIrMC.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 780 wrote to memory of 1096	780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe	85
PID 780 wrote to memory of 1096	780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe	85
PID 780 wrote to memory of 1096	780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe	85
PID 780 wrote to memory of 3460	780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe	87
PID 780 wrote to memory of 3460	780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe	87
PID 780 wrote to memory of 3460	780	d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe	87
PID 1096 wrote to memory of 3604	1096	cmd.exe	90
PID 1096 wrote to memory of 3604	1096	cmd.exe	90
PID 1096 wrote to memory of 3604	1096	cmd.exe	90
PID 3460 wrote to memory of 4900	3460	cmd.exe	89
PID 3460 wrote to memory of 4900	3460	cmd.exe	89
PID 3460 wrote to memory of 4900	3460	cmd.exe	89
PID 3460 wrote to memory of 1980	3460	cmd.exe	91
PID 3460 wrote to memory of 1980	3460	cmd.exe	91
PID 3460 wrote to memory of 1980	3460	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
"C:\Users\Admin\AppData\Local\Temp\d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:780
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "roIrMC" /tr '"C:\Users\Admin\AppData\Local\Temp\roIrMC.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1096
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "roIrMC" /tr '"C:\Users\Admin\AppData\Local\Temp\roIrMC.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3604
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9579.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3460
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4900
- - C:\Users\Admin\AppData\Local\Temp\roIrMC.exe
    "C:\Users\Admin\AppData\Local\Temp\roIrMC.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:1980

Network

DNS

8.8.8.8.in-addr.arpa

Remote address:

8.8.8.8:53

Request

8.8.8.8.in-addr.arpa

IN PTR

Response

8.8.8.8.in-addr.arpa

IN PTR

dnsgoogle
DNS

28.118.140.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

28.118.140.52.in-addr.arpa

IN PTR

Response
DNS

83.210.23.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

83.210.23.2.in-addr.arpa

IN PTR

Response

83.210.23.2.in-addr.arpa

IN PTR

a2-23-210-83deploystaticakamaitechnologiescom
DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

23.159.190.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

23.159.190.20.in-addr.arpa

IN PTR

Response
DNS

241.150.49.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

241.150.49.20.in-addr.arpa

IN PTR

Response
DNS

133.211.185.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

133.211.185.52.in-addr.arpa

IN PTR

Response
DNS

209.205.72.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

209.205.72.20.in-addr.arpa

IN PTR

Response
DNS

50.23.12.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

50.23.12.20.in-addr.arpa

IN PTR

Response
DNS

206.23.85.13.in-addr.arpa

Remote address:

8.8.8.8:53

Request

206.23.85.13.in-addr.arpa

IN PTR

Response
DNS

172.210.232.199.in-addr.arpa

Remote address:

8.8.8.8:53

Request

172.210.232.199.in-addr.arpa

IN PTR

Response
DNS

88.210.23.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

88.210.23.2.in-addr.arpa

IN PTR

Response

88.210.23.2.in-addr.arpa

IN PTR

a2-23-210-88deploystaticakamaitechnologiescom
DNS

30.243.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

30.243.111.52.in-addr.arpa

IN PTR

Response

14.243.221.170:3322

roIrMC.exe

260 B
5
14.243.221.170:3322

roIrMC.exe

260 B
5
14.243.221.170:3322

roIrMC.exe

260 B
5
14.243.221.170:3322

roIrMC.exe

260 B
5
14.243.221.170:3322

roIrMC.exe

260 B
5
14.243.221.170:3322

roIrMC.exe

208 B
4

8.8.8.8:53

8.8.8.8.in-addr.arpa

dns

66 B
90 B
1
1

DNS Request

8.8.8.8.in-addr.arpa
8.8.8.8:53

28.118.140.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

28.118.140.52.in-addr.arpa
8.8.8.8:53

83.210.23.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

83.210.23.2.in-addr.arpa
8.8.8.8:53

23.159.190.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

23.159.190.20.in-addr.arpa
8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

95.221.229.192.in-addr.arpa
8.8.8.8:53

241.150.49.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

241.150.49.20.in-addr.arpa
8.8.8.8:53

133.211.185.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

133.211.185.52.in-addr.arpa
8.8.8.8:53

209.205.72.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

209.205.72.20.in-addr.arpa
8.8.8.8:53

50.23.12.20.in-addr.arpa

dns

70 B
156 B
1
1

DNS Request

50.23.12.20.in-addr.arpa
8.8.8.8:53

206.23.85.13.in-addr.arpa

dns

71 B
145 B
1
1

DNS Request

206.23.85.13.in-addr.arpa
8.8.8.8:53

172.210.232.199.in-addr.arpa

dns

74 B
128 B
1
1

DNS Request

172.210.232.199.in-addr.arpa
8.8.8.8:53

88.210.23.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

88.210.23.2.in-addr.arpa
8.8.8.8:53

30.243.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

30.243.111.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\roIrMC.exe

Filesize
48KB

MD5
dfeaafa71cc4f33a546b050aefb83519

SHA1
3b34503a035774a83927fb5fc99a060c84e9b9e9

SHA256
d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f

SHA512
70c9ea4f9ee001648d85e11c6b6bc316b83c29866b97cb60fe2dc8f0994a721dcc77d9930020e5bbd19cab53a58cdf13c9af8d2f46d8e492d5e8e28d4c6763d4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9579.tmp.bat

Filesize
153B

MD5
737fb5cc5b41b21b981c2e620fe90aac

SHA1
34e1235ac47c75caf9825ea7b060b4a48a115723

SHA256
bbe86cb67721013d3d3c48b33af290c16f252a33cca3d2835b4e1e044bc386d7

SHA512
e01d026f4aa9f077f2c7e59e9ef8fb54127474ae741dae1e6fe29a1d6d4885748cf1501a4873936afb17a88d64794ea42b458d3dd530baf51acfd5a5677040c9

Download Submit
memory/780-0-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

Filesize
4KB

Download
memory/780-1-0x0000000000D60000-0x0000000000D72000-memory.dmp

Filesize
72KB

Download
memory/780-2-0x0000000074E50000-0x0000000075600000-memory.dmp

Filesize
7.7MB

Download
memory/780-3-0x0000000005720000-0x00000000057BC000-memory.dmp

Filesize
624KB

Download
memory/780-8-0x0000000074E50000-0x0000000075600000-memory.dmp

Filesize
7.7MB

Download
memory/1980-13-0x0000000074E50000-0x0000000075600000-memory.dmp

Filesize
7.7MB

Download
memory/1980-14-0x0000000074E50000-0x0000000075600000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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Downloads

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