asyncrat | 14ff0b81b02f1f3cd9af26b167c5040f57e280aaa51dd923f7e59c969ac52713

General

Target

e281b55b7d6a2a16085b8ca7ac83b8ed.exe
Size

743KB
MD5

e281b55b7d6a2a16085b8ca7ac83b8ed
SHA1

27354196d6177fac29c73d67efe96541ee1147e8
SHA256

14ff0b81b02f1f3cd9af26b167c5040f57e280aaa51dd923f7e59c969ac52713
SHA512

22190a3539a0537006c7366a5841b2cf9c70b903793c45c7492122657707442948ff70e60d22a055aa321649804017114322916d5a0405cbb0c067febc7fc64c

Score

10^/10

asyncrat rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

C2

zaza99.duckdns.org:1000

Mutex

AsyncMutex_6SI8OkPnk

Attributes

aes_key
jodSpTuMpUujBOX7B1o0jb7cIVSuyPFB
anti_detection
false
autorun
false
bdos
false
delay
Default
host
zaza99.duckdns.org
hwid
3
install_file
install_folder
%AppData%
mutex
AsyncMutex_6SI8OkPnk
pastebin_config
null
port
1000
version
0.5.7B

aes.plain

Signatures

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

Async RAT payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/748-13-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral2/memory/748-14-0x000000000040C73E-mapping.dmp	asyncrat

Suspicious use of SetThreadContext 1 IoCs

Processes:

e281b55b7d6a2a16085b8ca7ac83b8ed.exe

description pid process target process

PID 648 set thread context of 748 648 e281b55b7d6a2a16085b8ca7ac83b8ed.exe e281b55b7d6a2a16085b8ca7ac83b8ed.exe
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

2532 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

e281b55b7d6a2a16085b8ca7ac83b8ed.exe

pid process

648 e281b55b7d6a2a16085b8ca7ac83b8ed.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

e281b55b7d6a2a16085b8ca7ac83b8ed.exee281b55b7d6a2a16085b8ca7ac83b8ed.exe

description pid process

Token: SeDebugPrivilege 648 e281b55b7d6a2a16085b8ca7ac83b8ed.exe
Token: SeDebugPrivilege 748 e281b55b7d6a2a16085b8ca7ac83b8ed.exe

description	pid	process	target process
PID 648 set thread context of 748	648	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	e281b55b7d6a2a16085b8ca7ac83b8ed.exe

pid	process
2532	schtasks.exe

pid	process
648	e281b55b7d6a2a16085b8ca7ac83b8ed.exe

description	pid	process
Token: SeDebugPrivilege	648	e281b55b7d6a2a16085b8ca7ac83b8ed.exe
Token: SeDebugPrivilege	748	e281b55b7d6a2a16085b8ca7ac83b8ed.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

e281b55b7d6a2a16085b8ca7ac83b8ed.exe

description	pid	process	target process
PID 648 wrote to memory of 2532	648	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	schtasks.exe
PID 648 wrote to memory of 2532	648	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	schtasks.exe
PID 648 wrote to memory of 2532	648	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	schtasks.exe
PID 648 wrote to memory of 748	648	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	e281b55b7d6a2a16085b8ca7ac83b8ed.exe
PID 648 wrote to memory of 748	648	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	e281b55b7d6a2a16085b8ca7ac83b8ed.exe
PID 648 wrote to memory of 748	648	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	e281b55b7d6a2a16085b8ca7ac83b8ed.exe
PID 648 wrote to memory of 748	648	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	e281b55b7d6a2a16085b8ca7ac83b8ed.exe
PID 648 wrote to memory of 748	648	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	e281b55b7d6a2a16085b8ca7ac83b8ed.exe
PID 648 wrote to memory of 748	648	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	e281b55b7d6a2a16085b8ca7ac83b8ed.exe
PID 648 wrote to memory of 748	648	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	e281b55b7d6a2a16085b8ca7ac83b8ed.exe
PID 648 wrote to memory of 748	648	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	e281b55b7d6a2a16085b8ca7ac83b8ed.exe

C:\Users\Admin\AppData\Local\Temp\e281b55b7d6a2a16085b8ca7ac83b8ed.exe
"C:\Users\Admin\AppData\Local\Temp\e281b55b7d6a2a16085b8ca7ac83b8ed.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:648

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pKmvgoFB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp18F7.tmp"
2⤵
- Creates scheduled task(s)
PID:2532

C:\Users\Admin\AppData\Local\Temp\e281b55b7d6a2a16085b8ca7ac83b8ed.exe
"{path}"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:748

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e281b55b7d6a2a16085b8ca7ac83b8ed.exe.log
MD5
0c2899d7c6746f42d5bbe088c777f94c

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp18F7.tmp
MD5
767bc2d3a987e17fc28258591decbd6b

SHA1
532471f2c730acfe959269a681d510fe77e6ba51

SHA256
f3a17ac56c337b4126e4c50c0c4a931c1177ba021adac5a4931951b2792ebfcf

SHA512
6ef87e9ebdd3bb3585d3cdf923f1259f7a809c6b37fd044a768cfedea51379ef3d59df32b3ddd2fa3b1dff42c6cf9010cb82072accf6c3c639f0112c78cc5a8b

Download Submit
memory/648-6-0x00000000057E0000-0x00000000057E1000-memory.dmp

Filesize
4KB

Download
memory/648-2-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/648-7-0x0000000005770000-0x0000000005771000-memory.dmp

Filesize
4KB

Download
memory/648-8-0x0000000005C30000-0x0000000005C3E000-memory.dmp

Filesize
56KB

Download
memory/648-9-0x0000000008EA0000-0x0000000008F21000-memory.dmp

Filesize
516KB

Download
memory/648-10-0x0000000008FD0000-0x0000000008FD1000-memory.dmp

Filesize
4KB

Download
memory/648-5-0x0000000005C40000-0x0000000005C41000-memory.dmp

Filesize
4KB

Download
memory/648-3-0x0000000000D20000-0x0000000000D21000-memory.dmp

Filesize
4KB

Download
memory/748-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/748-14-0x000000000040C73E-mapping.dmp

Download
memory/748-16-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/748-21-0x0000000005FB0000-0x0000000005FB1000-memory.dmp

Filesize
4KB

Download
memory/2532-11-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads