asyncrat | 291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70

General

Target
291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe
Size 45KB
Sample260601-vbeavaax4s
SHA256 291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70
MD5 11e123ef88277b38677aac33b5e0bdfc
SHA1 817c5bb7c06446286fecca04680ecda750e876c0
SHA512 298ed4ba2b575d2b8f54437b500556c000d00793e5551e860a9f28e247aa803e59e86ae281ecdc03030c04dd95f1ec60e676b6adbbd27b2dc14e960799493b5c
SSDEEP 768:Yub+dT5UohzWUf8dBmo2qVLGsGx8OHuPI2zjbBgU3ih86WBDZrx:Yub+dT5Pk2mez323buUSEdrx
TLSH
T16A233C003BE9822BF2BE4FB499F26145467AF6632603D54D2CC442DB5723FC68A426ED
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

sexkhongche.lol:443
sexkhongche.lol:80
sexkhongche.lol:7797
sexkhongche.lol:8707
sexkhongche.lol:6620
www.sexkhongche.lol:443
www.sexkhongche.lol:80
www.sexkhongche.lol:7797
www.sexkhongche.lol:8707
www.sexkhongche.lol:6620
connect.sexkhongche.lol:443
connect.sexkhongche.lol:80
connect.sexkhongche.lol:7797
connect.sexkhongche.lol:8707
connect.sexkhongche.lol:6620
agenttesla.sexkhongche.lol:443
agenttesla.sexkhongche.lol:80
agenttesla.sexkhongche.lol:7797
agenttesla.sexkhongche.lol:8707
agenttesla.sexkhongche.lol:6620

Mutex

Kb92hp0bJhlC

Attributes

delay
0
install
true
install_file
agz8g7gh.exe
install_folder
%AppData%

aes.plain

Signatures

Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x000300000002a216-8.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2164	agz8g7gh.exe
1412	agz8g7gh.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	agz8g7gh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	agz8g7gh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1944	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
916	schtasks.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
5092	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe
5092	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe
5092	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe
5092	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe
5092	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe
5092	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe
5092	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe
5092	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe
5092	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe
5092	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe
5092	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe
5092	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe
5092	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe
5092	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe
5092	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe
5092	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe
5092	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe
5092	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe
5092	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5092	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe
Token: SeDebugPrivilege	2164	agz8g7gh.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5092 wrote to memory of 5112	5092	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe	82
PID 5092 wrote to memory of 2456	5092	291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe	84
PID 5112 wrote to memory of 916	5112	cmd.exe	86
PID 2456 wrote to memory of 1944	2456	cmd.exe	87
PID 2456 wrote to memory of 1412	2456	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe
"C:\Users\Admin\AppData\Local\Temp\291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5092
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "agz8g7gh" /tr '"C:\Users\Admin\AppData\Roaming\agz8g7gh.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5112
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "agz8g7gh" /tr '"C:\Users\Admin\AppData\Roaming\agz8g7gh.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:916
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5752.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2456
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1944
- - C:\Users\Admin\AppData\Roaming\agz8g7gh.exe
    "C:\Users\Admin\AppData\Roaming\agz8g7gh.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1412

C:\Users\Admin\AppData\Roaming\agz8g7gh.exe
"C:\Users\Admin\AppData\Roaming\agz8g7gh.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2164

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmp5752.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp5752.tmp.bat
Size 152B
SHA256 aa4dca55933a73004b6792397203b205085c0a23134a8b0605bffa85a6ed1d60
MD5 3fdb84b1c3fce05315b89d62f52fd713
SHA1 d1a06e97479939738b4dbc1ab053b5d206983eae
SHA512 5833f6d27dad56f2953eea5ab07f19b8aa32784a561cd77479a04e4824231b1d480d127c758248f64d7527a7c8fc76bd7ca86bcbf38050bc385b3f980b8c5fd3
TLSH
T183C02BC259CDEB5F7D05581307FADA8C917A6C5A3FC0FB50C348800E2380488F4D9381
MD5 SHA1 SHA512 TLSH

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agz8g7gh.exe

Path C:\Users\Admin\AppData\Roaming\agz8g7gh.exe
Size 45KB
SHA256 291e95c1d38820f0c483b8d867c2ae66ed7b9521949ff2baeb131f4b3efc5c70
MD5 11e123ef88277b38677aac33b5e0bdfc
SHA1 817c5bb7c06446286fecca04680ecda750e876c0
SHA512 298ed4ba2b575d2b8f54437b500556c000d00793e5551e860a9f28e247aa803e59e86ae281ecdc03030c04dd95f1ec60e676b6adbbd27b2dc14e960799493b5c
SSDEEP 768:Yub+dT5UohzWUf8dBmo2qVLGsGx8OHuPI2zjbBgU3ih86WBDZrx:Yub+dT5Pk2mez323buUSEdrx
TLSH
T16A233C003BE9822BF2BE4FB499F26145467AF6632603D54D2CC442DB5723FC68A426ED
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/5092-0-0x0000000000D70000-0x0000000000D82000-memory.dmp

Download

memory/5092-1-0x0000000005800000-0x0000000005810000-memory.dmp

Download

memory/5092-2-0x0000000005700000-0x000000000579C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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