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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/768-9-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/768-10-0x000000000040C73E-mapping.dmp	asyncrat
behavioral1/memory/768-11-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/768-12-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Suspicious use of SetThreadContext 1 IoCs

Processes:

e281b55b7d6a2a16085b8ca7ac83b8ed.exe

description pid process target process

PID 1908 set thread context of 768 1908 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

1760 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

e281b55b7d6a2a16085b8ca7ac83b8ed.exe

pid process

1908 e281b55b7d6a2a16085b8ca7ac83b8ed.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

e281b55b7d6a2a16085b8ca7ac83b8ed.exee281b55b7d6a2a16085b8ca7ac83b8ed.exe

description pid process

Token: SeDebugPrivilege 1908 e281b55b7d6a2a16085b8ca7ac83b8ed.exe
Token: SeDebugPrivilege 768 e281b55b7d6a2a16085b8ca7ac83b8ed.exe

description	pid	process	target process
PID 1908 set thread context of 768	1908	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	e281b55b7d6a2a16085b8ca7ac83b8ed.exe

pid	process
1760	schtasks.exe

pid	process
1908	e281b55b7d6a2a16085b8ca7ac83b8ed.exe

description	pid	process
Token: SeDebugPrivilege	1908	e281b55b7d6a2a16085b8ca7ac83b8ed.exe
Token: SeDebugPrivilege	768	e281b55b7d6a2a16085b8ca7ac83b8ed.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

e281b55b7d6a2a16085b8ca7ac83b8ed.exe

description	pid	process	target process
PID 1908 wrote to memory of 1760	1908	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	schtasks.exe
PID 1908 wrote to memory of 1760	1908	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	schtasks.exe
PID 1908 wrote to memory of 1760	1908	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	schtasks.exe
PID 1908 wrote to memory of 1760	1908	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	schtasks.exe
PID 1908 wrote to memory of 768	1908	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	e281b55b7d6a2a16085b8ca7ac83b8ed.exe
PID 1908 wrote to memory of 768	1908	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	e281b55b7d6a2a16085b8ca7ac83b8ed.exe
PID 1908 wrote to memory of 768	1908	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	e281b55b7d6a2a16085b8ca7ac83b8ed.exe
PID 1908 wrote to memory of 768	1908	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	e281b55b7d6a2a16085b8ca7ac83b8ed.exe
PID 1908 wrote to memory of 768	1908	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	e281b55b7d6a2a16085b8ca7ac83b8ed.exe
PID 1908 wrote to memory of 768	1908	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	e281b55b7d6a2a16085b8ca7ac83b8ed.exe
PID 1908 wrote to memory of 768	1908	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	e281b55b7d6a2a16085b8ca7ac83b8ed.exe
PID 1908 wrote to memory of 768	1908	e281b55b7d6a2a16085b8ca7ac83b8ed.exe	e281b55b7d6a2a16085b8ca7ac83b8ed.exe
PID 1908 wrote to memory of 768	1908	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:1908

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pKmvgoFB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp91A5.tmp"
2⤵
- Creates scheduled task(s)
PID:1760

C:\Users\Admin\AppData\Local\Temp\e281b55b7d6a2a16085b8ca7ac83b8ed.exe
"{path}"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:768

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\Temp\tmp91A5.tmp
MD5
611e6781da61568ab0aa871777d87828

SHA1
d0527e0dba6f466db545e72860f1a69678144b62

SHA256
1b71507e1b24fa8c22c66f8628f8454b7e1173818e2b3701ecf3427c3e79e9fe

SHA512
448c167045145ce9191d13f83a378d0bf8f3d2c2bff369f458e7c193abb4235230714a63541394780cbc01eb7c3a12db2c241c13c9a63b04a761f4ae70c8e6e0

Download Submit
memory/768-9-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/768-10-0x000000000040C73E-mapping.dmp

Download
memory/768-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/768-12-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/768-13-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Filesize
6.9MB

Download
memory/1760-7-0x0000000000000000-mapping.dmp

Download
memory/1908-2-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Filesize
6.9MB

Download
memory/1908-3-0x00000000010A0000-0x00000000010A1000-memory.dmp

Filesize
4KB

Download
memory/1908-5-0x0000000000520000-0x000000000052E000-memory.dmp

Filesize
56KB

Download
memory/1908-6-0x0000000005BF0000-0x0000000005C71000-memory.dmp

Filesize
516KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads