asyncrat | 46ab2d0bce6511cf67cf931113da14de84304a4e9a814dbb8a88d0034e008ce7

Analysis

max time kernel
117s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-10-2024 14:46

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General

Target

46ab2d0bce6511cf67cf931113da14de84304a4e9a814dbb8a88d0034e008ce7N.exe
Size

1.4MB
MD5

8a34c7928d32b3ad2fb0836dec8f5350
SHA1

5a1042858c92d1b3a98b26668474ad0d43798f95
SHA256

46ab2d0bce6511cf67cf931113da14de84304a4e9a814dbb8a88d0034e008ce7
SHA512

7d3f47e65fee77a2e5359b6edf401a3935ab48fb9c6721e7c2cc88db2e5e70aba3db97b5bfcc5c1ef369ac79d70cd0b170af4bf8af8b08017490c34fbf3e9ecf
SSDEEP

24576:muDXTIGaPhEYzUzA0ukoIQto15dl9kYc5FDL6qwB0nGhPeXocXbotpNrUMAVfO8a:JDjlabwz9upIQtk5b9ZcWqwB0n2Wo+KX

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

127.0.0.1:4444

Attributes

delay
1
install
false
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 1 IoCs

rat

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\RarSFX0\infected.exe	family_asyncrat

Executes dropped EXE 1 IoCs

Processes:

infected.exe

pid process

1948 infected.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

infected.exe

description pid process

Token: SeDebugPrivilege 1948 infected.exe

pid	process
1948	infected.exe

description	pid	process
Token: SeDebugPrivilege	1948	infected.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

46ab2d0bce6511cf67cf931113da14de84304a4e9a814dbb8a88d0034e008ce7N.exe

description	pid	process	target process
PID 2516 wrote to memory of 1948	2516	46ab2d0bce6511cf67cf931113da14de84304a4e9a814dbb8a88d0034e008ce7N.exe	infected.exe
PID 2516 wrote to memory of 1948	2516	46ab2d0bce6511cf67cf931113da14de84304a4e9a814dbb8a88d0034e008ce7N.exe	infected.exe
PID 2516 wrote to memory of 1948	2516	46ab2d0bce6511cf67cf931113da14de84304a4e9a814dbb8a88d0034e008ce7N.exe	infected.exe

C:\Users\Admin\AppData\Local\Temp\46ab2d0bce6511cf67cf931113da14de84304a4e9a814dbb8a88d0034e008ce7N.exe
"C:\Users\Admin\AppData\Local\Temp\46ab2d0bce6511cf67cf931113da14de84304a4e9a814dbb8a88d0034e008ce7N.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2516

C:\Users\Admin\AppData\Local\Temp\RarSFX0\infected.exe
"C:\Users\Admin\AppData\Local\Temp\RarSFX0\infected.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\infected.exe

Filesize
63KB

MD5
05c205f37fc4f74a18b1dfc2326d72d6

SHA1
fe97f65f70d8010f95df451982ff3d5224d50e5f

SHA256
1c5a59c37feeb40cc119740981bb6e083e3f58595f46a0e1f9c7b05cbdd35bf4

SHA512
c64ad3412b4cf50fec26277ffc5ce0ab6f6cfab77c8eafd72cc66fdcb0cb3f3b3e1c0a30ec6518e6cb1241953dda8e60be16390588b9e2d0bedea0433136d8cc

Download Submit
memory/1948-14-0x000007FEF4F03000-0x000007FEF4F04000-memory.dmp

Filesize
4KB

Download
memory/1948-15-0x0000000001320000-0x0000000001336000-memory.dmp

Filesize
88KB

Download
memory/1948-16-0x000007FEF4F00000-0x000007FEF58EC000-memory.dmp

Filesize
9.9MB

Download
memory/1948-17-0x000007FEF4F00000-0x000007FEF58EC000-memory.dmp

Filesize
9.9MB

Download
memory/1948-18-0x000007FEF4F03000-0x000007FEF4F04000-memory.dmp

Filesize
4KB

Download
memory/1948-19-0x000007FEF4F00000-0x000007FEF58EC000-memory.dmp

Filesize
9.9MB

Download
memory/2516-4-0x0000000002220000-0x0000000002230000-memory.dmp

Filesize
64KB

Download