asyncrat | 45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66

General

Target

45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe
Size

426KB
MD5

a504f9dfe6a3554120c7902c56ddf3b2
SHA1

a89ca17e9c1af4912a55bdf49bc0020a3990b408
SHA256

45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66
SHA512

7557a1bb0edde11ff8d4c68e9c3e11cde7c677e284afcdbd2359dcc9a88692299aa035098663c995948d07518711ac812f7f689a2a559d30da8afed7ce31a08c
SSDEEP

12288:URifysycqld21fNlRU3LmWTvnGeUITYBK7ENId0fGwVTMsMt:UoypcVFWDGXIEcIAILtT

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

primo1.hopto.org:7771

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
15
install
false
install_folder
%AppData%

aes.plain

Signatures

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

Async RAT payload 6 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1692-63-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1692-66-0x000000000040D09E-mapping.dmp	asyncrat
behavioral1/memory/1692-65-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1692-64-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1692-68-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1692-70-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Suspicious use of SetThreadContext 1 IoCs

Processes:

45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe

description	pid	process	target process
PID 1216 set thread context of 1692	1216	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
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

268 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe

pid process

1216 45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe

description pid process

Token: SeDebugPrivilege 1216 45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe

pid	process
268	schtasks.exe

pid	process
1216	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe

description	pid	process
Token: SeDebugPrivilege	1216	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe

description	pid	process	target process
PID 1216 wrote to memory of 268	1216	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe	schtasks.exe
PID 1216 wrote to memory of 268	1216	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe	schtasks.exe
PID 1216 wrote to memory of 268	1216	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe	schtasks.exe
PID 1216 wrote to memory of 268	1216	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe	schtasks.exe
PID 1216 wrote to memory of 1692	1216	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe
PID 1216 wrote to memory of 1692	1216	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe
PID 1216 wrote to memory of 1692	1216	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe
PID 1216 wrote to memory of 1692	1216	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe
PID 1216 wrote to memory of 1692	1216	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe
PID 1216 wrote to memory of 1692	1216	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe
PID 1216 wrote to memory of 1692	1216	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe
PID 1216 wrote to memory of 1692	1216	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe
PID 1216 wrote to memory of 1692	1216	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe	45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe

C:\Users\Admin\AppData\Local\Temp\45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe
"C:\Users\Admin\AppData\Local\Temp\45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1216

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JuAviJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2398.tmp"
2⤵
- Creates scheduled task(s)
PID:268

C:\Users\Admin\AppData\Local\Temp\45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe
"C:\Users\Admin\AppData\Local\Temp\45ba43813271c0c4d377338c381992cd5b0220b80c00cffc0b284f84cc0aee66.exe"
2⤵
PID:1692

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2398.tmp
Filesize
1KB

MD5
307aabcefcaff421128611bf1e1a5603

SHA1
b971829db572bdc38201b830ed4e22dd44800734

SHA256
d075c43b56845ed77798ab9355231d5244d284bb39f410e4a76d806bd0170ceb

SHA512
84f3340393634ea7d724d426cf4ce1f1e856d94c13ca349fa06bdfdfe7e048689ea5703611369f5198ba47d46583127c6f0adf0a0074eee98f79154d4e3ea78e

Download Submit
memory/268-58-0x0000000000000000-mapping.dmp

Download
memory/1216-54-0x0000000000C30000-0x0000000000CA2000-memory.dmp

Filesize
456KB

Download
memory/1216-55-0x0000000074F01000-0x0000000074F03000-memory.dmp

Filesize
8KB

Download
memory/1216-56-0x0000000000750000-0x000000000075A000-memory.dmp

Filesize
40KB

Download
memory/1216-57-0x0000000004A60000-0x0000000004AAA000-memory.dmp

Filesize
296KB

Download
memory/1692-60-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1692-61-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1692-63-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1692-66-0x000000000040D09E-mapping.dmp

Download
memory/1692-65-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1692-64-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1692-68-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1692-70-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads