asyncrat | 73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3

Analysis

max time kernel
110s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2024, 10:00 UTC

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General

Target

73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe
Size

1.7MB
MD5

45202c1ec5edd2875a74e0da4e6d1f90
SHA1

7794105222c76e205a0e2196b03a083000de061c
SHA256

73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3
SHA512

f1a5ed2e3760b6eace1b01c79a3b731fbc7ee26a861deb4bc5d392d4467b200418d3146145b36b3700f3dda0b4ce425744577e2c507732eadfe77dc4fd6c510b
SSDEEP

24576:eATKuetagT4lr9DtM8YHQBa56e0/ihJPD0+JXx/YtYBvtPzB2fieINXld/rcG/X:e+KNzCa56eOihBZiYB1/NXl5rc

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

143.198.82.194:8808

Mutex

wfi0IhSI9Rqa

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

1
yZDXhi7oI4Cn8AscLSlpZAU6ocUDaR4Z

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/memory/3436-6-0x0000000005E40000-0x0000000005E52000-memory.dmp	family_asyncrat

System Location Discovery: System Language Discovery 1 TTPs 1 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	73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
3436	73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe
3436	73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe
3436	73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe
3436	73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe
3436	73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe
3436	73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe
3436	73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe
3436	73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe
3436	73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe
3436	73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe
3436	73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe
3436	73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe
3436	73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe
3436	73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3436	73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3436 wrote to memory of 2292	3436	73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe	83
PID 3436 wrote to memory of 2292	3436	73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe	83
PID 3436 wrote to memory of 2292	3436	73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe	83
PID 3436 wrote to memory of 2292	3436	73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe	83

C:\Users\Admin\AppData\Local\Temp\73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe
"C:\Users\Admin\AppData\Local\Temp\73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\System32\svchost.exe
  2⤵
  PID:2292

Network

DNS

217.72.21.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

217.72.21.2.in-addr.arpa

IN PTR

Response

217.72.21.2.in-addr.arpa

IN PTR

a2-21-72-217deploystaticakamaitechnologiescom
DNS

97.17.167.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

97.17.167.52.in-addr.arpa

IN PTR

Response
DNS

138.32.126.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

138.32.126.40.in-addr.arpa

IN PTR

Response
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

194.82.198.143.in-addr.arpa

Remote address:

8.8.8.8:53

Request

194.82.198.143.in-addr.arpa

IN PTR

Response
DNS

104.219.191.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

104.219.191.52.in-addr.arpa

IN PTR

Response
DNS

228.249.119.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

228.249.119.40.in-addr.arpa

IN PTR

Response
DNS

53.210.109.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

53.210.109.20.in-addr.arpa

IN PTR

Response
DNS

241.42.69.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

241.42.69.40.in-addr.arpa

IN PTR

Response
DNS

69.72.21.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

69.72.21.2.in-addr.arpa

IN PTR

Response

69.72.21.2.in-addr.arpa

IN PTR

a2-21-72-69deploystaticakamaitechnologiescom
DNS

240.221.184.93.in-addr.arpa

Remote address:

8.8.8.8:53

Request

240.221.184.93.in-addr.arpa

IN PTR

Response
DNS

43.229.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

43.229.111.52.in-addr.arpa

IN PTR

Response

143.198.82.194:8808

tls

73aa0fa3a9f86a2551fa7d06493ecc1becc8fda30db0685eb4cacdf3ce2930c3N.exe

7.5kB
6.9kB
60
56

8.8.8.8:53

217.72.21.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

217.72.21.2.in-addr.arpa
8.8.8.8:53

97.17.167.52.in-addr.arpa

dns

71 B
145 B
1
1

DNS Request

97.17.167.52.in-addr.arpa
8.8.8.8:53

138.32.126.40.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

138.32.126.40.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

194.82.198.143.in-addr.arpa

dns

73 B
140 B
1
1

DNS Request

194.82.198.143.in-addr.arpa
8.8.8.8:53

104.219.191.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

104.219.191.52.in-addr.arpa
8.8.8.8:53

228.249.119.40.in-addr.arpa

dns

73 B
159 B
1
1

DNS Request

228.249.119.40.in-addr.arpa
8.8.8.8:53

53.210.109.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

53.210.109.20.in-addr.arpa
8.8.8.8:53

241.42.69.40.in-addr.arpa

dns

71 B
145 B
1
1

DNS Request

241.42.69.40.in-addr.arpa
8.8.8.8:53

69.72.21.2.in-addr.arpa

dns

69 B
131 B
1
1

DNS Request

69.72.21.2.in-addr.arpa
8.8.8.8:53

240.221.184.93.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

240.221.184.93.in-addr.arpa
8.8.8.8:53

43.229.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

43.229.111.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2292-1-0x0000000000D40000-0x0000000000D54000-memory.dmp

Filesize
80KB

Download
memory/3436-0-0x0000000077B21000-0x0000000077C41000-memory.dmp

Filesize
1.1MB

Download
memory/3436-2-0x00000000007E0000-0x00000000007F4000-memory.dmp

Filesize
80KB

Download
memory/3436-5-0x0000000000CE0000-0x0000000000EA0000-memory.dmp

Filesize
1.8MB

Download
memory/3436-6-0x0000000005E40000-0x0000000005E52000-memory.dmp

Filesize
72KB

Download
memory/3436-7-0x0000000077B21000-0x0000000077C41000-memory.dmp

Filesize
1.1MB

Download
memory/3436-10-0x00000000070B0000-0x000000000714C000-memory.dmp

Filesize
624KB

Download
memory/3436-11-0x0000000007700000-0x0000000007CA4000-memory.dmp

Filesize
5.6MB

Download
memory/3436-12-0x0000000007150000-0x00000000071B6000-memory.dmp

Filesize
408KB

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

MITRE ATT&CK Enterprise v15

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