asyncrat | ce0530832a781bd0ca193f10973c554c051cbebd189339c2ff31b60638914a89

General

Target

WindowsForsApp2.jpg.exe
Size

45KB
MD5

d3a6b158e1e9696487764681659b132e
SHA1

5e55263eda3d62389ca0f8e08a75a65e1afd7e40
SHA256

ce0530832a781bd0ca193f10973c554c051cbebd189339c2ff31b60638914a89
SHA512

ecb4e7320979490e219a71812c640af8c2f9ac9303b7c16993961c4f89c23c49f3620cd0940f36cc69371df0386582f6ac7204d07d14cae6e0271956416c234f

Score

10^/10

asyncrat rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

C2

103.147.184.53:1991

Mutex

AsyncMutex_6SI8OkPnk

Attributes

aes_key
jAIQjLUDDlRsSW2EWQFUO3GpJGouneMb
anti_detection
false
autorun
true
bdos
false
delay
Default
host
103.147.184.53
hwid
3
install_file
install_folder
%AppData%
mutex
AsyncMutex_6SI8OkPnk
pastebin_config
null
port
1991
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
C:\Users\Admin\AppData\Roaming\tax refund.exe	asyncrat
C:\Users\Admin\AppData\Roaming\tax refund.exe	asyncrat

Executes dropped EXE 1 IoCs

Processes:

tax refund.exe

pid process

1172 tax refund.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

992 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1504 timeout.exe

pid	process
1172	tax refund.exe

pid	process
992	schtasks.exe

pid	process
1504	timeout.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

WindowsForsApp2.jpg.exe

pid	process
64	WindowsForsApp2.jpg.exe
64	WindowsForsApp2.jpg.exe
64	WindowsForsApp2.jpg.exe
64	WindowsForsApp2.jpg.exe
64	WindowsForsApp2.jpg.exe
64	WindowsForsApp2.jpg.exe
64	WindowsForsApp2.jpg.exe
64	WindowsForsApp2.jpg.exe
64	WindowsForsApp2.jpg.exe
64	WindowsForsApp2.jpg.exe
64	WindowsForsApp2.jpg.exe
64	WindowsForsApp2.jpg.exe
64	WindowsForsApp2.jpg.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

WindowsForsApp2.jpg.exetax refund.exe

description pid process

Token: SeDebugPrivilege 64 WindowsForsApp2.jpg.exe
Token: SeDebugPrivilege 1172 tax refund.exe

description	pid	process
Token: SeDebugPrivilege	64	WindowsForsApp2.jpg.exe
Token: SeDebugPrivilege	1172	tax refund.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

WindowsForsApp2.jpg.execmd.execmd.exe

description	pid	process	target process
PID 64 wrote to memory of 1292	64	WindowsForsApp2.jpg.exe	cmd.exe
PID 64 wrote to memory of 1292	64	WindowsForsApp2.jpg.exe	cmd.exe
PID 64 wrote to memory of 1292	64	WindowsForsApp2.jpg.exe	cmd.exe
PID 64 wrote to memory of 2772	64	WindowsForsApp2.jpg.exe	cmd.exe
PID 64 wrote to memory of 2772	64	WindowsForsApp2.jpg.exe	cmd.exe
PID 64 wrote to memory of 2772	64	WindowsForsApp2.jpg.exe	cmd.exe
PID 1292 wrote to memory of 992	1292	cmd.exe	schtasks.exe
PID 1292 wrote to memory of 992	1292	cmd.exe	schtasks.exe
PID 1292 wrote to memory of 992	1292	cmd.exe	schtasks.exe
PID 2772 wrote to memory of 1504	2772	cmd.exe	timeout.exe
PID 2772 wrote to memory of 1504	2772	cmd.exe	timeout.exe
PID 2772 wrote to memory of 1504	2772	cmd.exe	timeout.exe
PID 2772 wrote to memory of 1172	2772	cmd.exe	tax refund.exe
PID 2772 wrote to memory of 1172	2772	cmd.exe	tax refund.exe
PID 2772 wrote to memory of 1172	2772	cmd.exe	tax refund.exe

C:\Users\Admin\AppData\Local\Temp\WindowsForsApp2.jpg.exe
"C:\Users\Admin\AppData\Local\Temp\WindowsForsApp2.jpg.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:64

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "tax refund" /tr '"C:\Users\Admin\AppData\Roaming\tax refund.exe"' & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1292

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "tax refund" /tr '"C:\Users\Admin\AppData\Roaming\tax refund.exe"'
3⤵
- Creates scheduled task(s)
PID:992

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA752.tmp.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:2772

C:\Windows\SysWOW64\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:1504

C:\Users\Admin\AppData\Roaming\tax refund.exe
"C:\Users\Admin\AppData\Roaming\tax refund.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1172

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\tmpA752.tmp.bat
MD5
07723338064106cb0bc55f056c2bf4c6

SHA1
9e2184b6a334056e17e89ab5417137314a74c82e

SHA256
07ad568e9b9b8faa700269ee5f3b03f8cbbc99807a32c765c352a5db2c519617

SHA512
3ca8058d54fd269300fe5fbf439193aa77b95647eadd34cbf6da7e076dd51635a7158fb51f6e8f0132d45d8580341f86840ad6d57feaf8d8b6fdf49d4bf26c44

Download Submit
C:\Users\Admin\AppData\Roaming\tax refund.exe
MD5
d3a6b158e1e9696487764681659b132e

SHA1
5e55263eda3d62389ca0f8e08a75a65e1afd7e40

SHA256
ce0530832a781bd0ca193f10973c554c051cbebd189339c2ff31b60638914a89

SHA512
ecb4e7320979490e219a71812c640af8c2f9ac9303b7c16993961c4f89c23c49f3620cd0940f36cc69371df0386582f6ac7204d07d14cae6e0271956416c234f

Download Submit
C:\Users\Admin\AppData\Roaming\tax refund.exe
MD5
d3a6b158e1e9696487764681659b132e

SHA1
5e55263eda3d62389ca0f8e08a75a65e1afd7e40

SHA256
ce0530832a781bd0ca193f10973c554c051cbebd189339c2ff31b60638914a89

SHA512
ecb4e7320979490e219a71812c640af8c2f9ac9303b7c16993961c4f89c23c49f3620cd0940f36cc69371df0386582f6ac7204d07d14cae6e0271956416c234f

Download Submit
memory/64-5-0x0000000005500000-0x0000000005501000-memory.dmp

Filesize
4KB

Download
memory/64-3-0x0000000000A00000-0x0000000000A01000-memory.dmp

Filesize
4KB

Download
memory/64-2-0x0000000073200000-0x00000000738EE000-memory.dmp

Filesize
6.9MB

Download
memory/992-9-0x0000000000000000-mapping.dmp

Download
memory/1172-11-0x0000000000000000-mapping.dmp

Download
memory/1172-14-0x0000000073150000-0x000000007383E000-memory.dmp

Filesize
6.9MB

Download
memory/1172-18-0x0000000005A00000-0x0000000005A01000-memory.dmp

Filesize
4KB

Download
memory/1172-19-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/1292-6-0x0000000000000000-mapping.dmp

Download
memory/1504-10-0x0000000000000000-mapping.dmp

Download
memory/2772-7-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads