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 3 IoCs

rat

Processes:

resource	yara_rule
\Users\Admin\AppData\Roaming\tax refund.exe	asyncrat
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

268 tax refund.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1224 cmd.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

1684 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1692 timeout.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

WindowsForsApp2.jpg.exe

pid process

932 WindowsForsApp2.jpg.exe
932 WindowsForsApp2.jpg.exe
932 WindowsForsApp2.jpg.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

WindowsForsApp2.jpg.exetax refund.exe

description pid process

Token: SeDebugPrivilege 932 WindowsForsApp2.jpg.exe
Token: SeDebugPrivilege 268 tax refund.exe

pid	process
268	tax refund.exe

pid	process
1224	cmd.exe

pid	process
1684	schtasks.exe

pid	process
1692	timeout.exe

pid	process
932	WindowsForsApp2.jpg.exe
932	WindowsForsApp2.jpg.exe
932	WindowsForsApp2.jpg.exe

description	pid	process
Token: SeDebugPrivilege	932	WindowsForsApp2.jpg.exe
Token: SeDebugPrivilege	268	tax refund.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

WindowsForsApp2.jpg.execmd.execmd.exe

description	pid	process	target process
PID 932 wrote to memory of 1376	932	WindowsForsApp2.jpg.exe	cmd.exe
PID 932 wrote to memory of 1376	932	WindowsForsApp2.jpg.exe	cmd.exe
PID 932 wrote to memory of 1376	932	WindowsForsApp2.jpg.exe	cmd.exe
PID 932 wrote to memory of 1376	932	WindowsForsApp2.jpg.exe	cmd.exe
PID 932 wrote to memory of 1224	932	WindowsForsApp2.jpg.exe	cmd.exe
PID 932 wrote to memory of 1224	932	WindowsForsApp2.jpg.exe	cmd.exe
PID 932 wrote to memory of 1224	932	WindowsForsApp2.jpg.exe	cmd.exe
PID 932 wrote to memory of 1224	932	WindowsForsApp2.jpg.exe	cmd.exe
PID 1376 wrote to memory of 1684	1376	cmd.exe	schtasks.exe
PID 1376 wrote to memory of 1684	1376	cmd.exe	schtasks.exe
PID 1376 wrote to memory of 1684	1376	cmd.exe	schtasks.exe
PID 1376 wrote to memory of 1684	1376	cmd.exe	schtasks.exe
PID 1224 wrote to memory of 1692	1224	cmd.exe	timeout.exe
PID 1224 wrote to memory of 1692	1224	cmd.exe	timeout.exe
PID 1224 wrote to memory of 1692	1224	cmd.exe	timeout.exe
PID 1224 wrote to memory of 1692	1224	cmd.exe	timeout.exe
PID 1224 wrote to memory of 268	1224	cmd.exe	tax refund.exe
PID 1224 wrote to memory of 268	1224	cmd.exe	tax refund.exe
PID 1224 wrote to memory of 268	1224	cmd.exe	tax refund.exe
PID 1224 wrote to memory of 268	1224	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:932

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:1376

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:1684

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp31DA.tmp.bat""
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1224

C:\Windows\SysWOW64\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:1692

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:268

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\tmp31DA.tmp.bat
MD5
2dea24668376844b1cb296340e3eace0

SHA1
96073cbf1fad2cff1fbf6560c6aa671295ed80b1

SHA256
31cc2c24dc0e50b803019a625e046ab31fc00a53fbd8f74fb65e032276ca3711

SHA512
c728626bbc65b9c7f2507018018a1d5d17cb503bf4edbd946b41c15741e057ddad4d51e53629ae9ea2d9607b992c295300fe06a2a93e05e689f91f144ba7659e

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
\Users\Admin\AppData\Roaming\tax refund.exe
MD5
d3a6b158e1e9696487764681659b132e

SHA1
5e55263eda3d62389ca0f8e08a75a65e1afd7e40

SHA256
ce0530832a781bd0ca193f10973c554c051cbebd189339c2ff31b60638914a89

SHA512
ecb4e7320979490e219a71812c640af8c2f9ac9303b7c16993961c4f89c23c49f3620cd0940f36cc69371df0386582f6ac7204d07d14cae6e0271956416c234f

Download Submit
memory/268-12-0x0000000000000000-mapping.dmp

Download
memory/268-15-0x00000000009A0000-0x00000000009A1000-memory.dmp

Filesize
4KB

Download
memory/268-14-0x00000000734A0000-0x0000000073B8E000-memory.dmp

Filesize
6.9MB

Download
memory/932-3-0x0000000001180000-0x0000000001181000-memory.dmp

Filesize
4KB

Download
memory/932-2-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/1224-6-0x0000000000000000-mapping.dmp

Download
memory/1376-5-0x0000000000000000-mapping.dmp

Download
memory/1684-8-0x0000000000000000-mapping.dmp

Download
memory/1692-9-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads