asyncrat | 3e33e49c97e0b18132a77fe2b7933990e9b61ab1a41480f8ea87e5dd0d4dd821

General

Target

hilolxdbyelol.exe
Size

223KB
MD5

d026bbe5264359555b00c027717712d5
SHA1

5c76e3a0a7f60a4bb5e10b2ef0a763588af5cb39
SHA256

3e33e49c97e0b18132a77fe2b7933990e9b61ab1a41480f8ea87e5dd0d4dd821
SHA512

f15660f28ebdd5bf803128756c679a7a546fb1de8fc76487335ac968ab40d3dd09c9eaa157831d00410efe2dee9f019fca10ee09e2a64173ebe3aa77d3cf2fc0
SSDEEP

3072:xuWrToqZ2dsaWwSpw25bC7DwNGANhBF+3qMIwHeeeez8wkvg5FbAzsCibeiKe17x:xuWj8dsUuw25bhNtwsgccSIx

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

Mutex

w3wyv5F2c8ka

Attributes

delay
3
install
true
install_file
hilolxdbyelol.exe
install_folder
%AppData%
pastebin_config
https://pastebin.com/raw/s14cUU5G

aes.plain

Signatures

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

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral1/files/0x0005000000010300-13.dat	family_asyncrat

Executes dropped EXE 1 IoCs

Processes:

hilolxdbyelol.exe

pid	Process
2584	hilolxdbyelol.exe

Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid	Process
2772	cmd.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

Processes:

flow	ioc
4	pastebin.com
5	pastebin.com

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 6 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

Processes:

hilolxdbyelol.execmd.execmd.exeschtasks.exetimeout.exehilolxdbyelol.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hilolxdbyelol.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hilolxdbyelol.exe

Delays execution with timeout.exe 1 IoCs

evasion

Processes:

timeout.exe

pid	Process
2736	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

Processes:

schtasks.exe

pid	Process
1804	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

hilolxdbyelol.exe

pid	Process
2260	hilolxdbyelol.exe
2260	hilolxdbyelol.exe
2260	hilolxdbyelol.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

hilolxdbyelol.exehilolxdbyelol.exe

description	pid	Process
Token: SeDebugPrivilege	2260	hilolxdbyelol.exe
Token: SeDebugPrivilege	2584	hilolxdbyelol.exe
Token: SeDebugPrivilege	2584	hilolxdbyelol.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

hilolxdbyelol.execmd.execmd.exe

description	pid	Process	procid_target
PID 2260 wrote to memory of 2844	2260	hilolxdbyelol.exe	31
PID 2260 wrote to memory of 2844	2260	hilolxdbyelol.exe	31
PID 2260 wrote to memory of 2844	2260	hilolxdbyelol.exe	31
PID 2260 wrote to memory of 2844	2260	hilolxdbyelol.exe	31
PID 2260 wrote to memory of 2772	2260	hilolxdbyelol.exe	33
PID 2260 wrote to memory of 2772	2260	hilolxdbyelol.exe	33
PID 2260 wrote to memory of 2772	2260	hilolxdbyelol.exe	33
PID 2260 wrote to memory of 2772	2260	hilolxdbyelol.exe	33
PID 2844 wrote to memory of 1804	2844	cmd.exe	35
PID 2844 wrote to memory of 1804	2844	cmd.exe	35
PID 2844 wrote to memory of 1804	2844	cmd.exe	35
PID 2844 wrote to memory of 1804	2844	cmd.exe	35
PID 2772 wrote to memory of 2736	2772	cmd.exe	36
PID 2772 wrote to memory of 2736	2772	cmd.exe	36
PID 2772 wrote to memory of 2736	2772	cmd.exe	36
PID 2772 wrote to memory of 2736	2772	cmd.exe	36
PID 2772 wrote to memory of 2584	2772	cmd.exe	37
PID 2772 wrote to memory of 2584	2772	cmd.exe	37
PID 2772 wrote to memory of 2584	2772	cmd.exe	37
PID 2772 wrote to memory of 2584	2772	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\hilolxdbyelol.exe
"C:\Users\Admin\AppData\Local\Temp\hilolxdbyelol.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "hilolxdbyelol" /tr '"C:\Users\Admin\AppData\Roaming\hilolxdbyelol.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2844
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "hilolxdbyelol" /tr '"C:\Users\Admin\AppData\Roaming\hilolxdbyelol.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1804
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp24EE.tmp.bat""
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2772
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2736
- - C:\Users\Admin\AppData\Roaming\hilolxdbyelol.exe
    "C:\Users\Admin\AppData\Roaming\hilolxdbyelol.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2584

Network

MITRE ATT&CK Enterprise v15

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

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp24EE.tmp.bat

Filesize
157B

MD5
fa8059cdf7856313146cd89a9212feac

SHA1
99e16bbaa66bd723200f9d964173f58629412d91

SHA256
1d4fa5ea43e8609c7926d2e2b0ab2369f002b65e45b238afa5b6cb4794342efb

SHA512
b1aab81fb190757ccb4060f1c4a5898347f89059ffe5be1186cb34b8d6767a4bf5f615bff62d3c1339040332e47783fccaa554144a0936528456ef5822709b3a

Download Submit
\Users\Admin\AppData\Roaming\hilolxdbyelol.exe

Filesize
223KB

MD5
d026bbe5264359555b00c027717712d5

SHA1
5c76e3a0a7f60a4bb5e10b2ef0a763588af5cb39

SHA256
3e33e49c97e0b18132a77fe2b7933990e9b61ab1a41480f8ea87e5dd0d4dd821

SHA512
f15660f28ebdd5bf803128756c679a7a546fb1de8fc76487335ac968ab40d3dd09c9eaa157831d00410efe2dee9f019fca10ee09e2a64173ebe3aa77d3cf2fc0

Download Submit
memory/2260-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

Filesize
4KB

Download
memory/2260-1-0x00000000009C0000-0x00000000009FE000-memory.dmp

Filesize
248KB

Download
memory/2260-2-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/2260-11-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/2584-16-0x0000000000CE0000-0x0000000000D1E000-memory.dmp

Filesize
248KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads