asyncrat | f079245e344d5949ad5ea9de866853a65460834f7d26980346ceafe8b4e6b5bb

General

Target

try again please.exe
Size

47KB
MD5

be8251a986712feb5dfa8ce58aefd8ba
SHA1

4f6397e432799421ae91000bf01ef16b24e8ccf9
SHA256

f079245e344d5949ad5ea9de866853a65460834f7d26980346ceafe8b4e6b5bb
SHA512

8169b0875ad4813107ccdb75b1fa4facba0c46a426325ee67cf84d32d4ed85d1ab582ee3e3bc5a297208cf076d88ca774c946e3e3c3e23940a01514098f5859f
SSDEEP

768:8uQKNTREhzxrWUXrm5mo2q7+XhN6DuP1DgPIdKol0bdyMt7raUVY4Klp7LBDZkx:8uQKNTR+W24DuPrdKoSbdPpraEYTJdkx

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

127.0.0.1:23198

benefits-required.gl.at.ply.gg:6606

benefits-required.gl.at.ply.gg:7707

benefits-required.gl.at.ply.gg:8808

benefits-required.gl.at.ply.gg:23198

Mutex

GLldzQVwvajy

Attributes

delay
3
install
true
install_file
roar.exe
install_folder
%AppData%

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

resource	yara_rule
behavioral2/files/0x001f00000002aa7c-12.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
1884	roar.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 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

description	ioc	Process
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	roar.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	try again please.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1060	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
2948	schtasks.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
1132	try again please.exe
1132	try again please.exe
1132	try again please.exe
1132	try again please.exe
1132	try again please.exe
1132	try again please.exe
1132	try again please.exe
1132	try again please.exe
1132	try again please.exe
1132	try again please.exe
1132	try again please.exe
1132	try again please.exe
1132	try again please.exe
1132	try again please.exe
1132	try again please.exe
1132	try again please.exe
1132	try again please.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1132	try again please.exe
Token: SeDebugPrivilege	1884	roar.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 476	1132	try again please.exe	78
PID 1132 wrote to memory of 476	1132	try again please.exe	78
PID 1132 wrote to memory of 476	1132	try again please.exe	78
PID 1132 wrote to memory of 2856	1132	try again please.exe	80
PID 1132 wrote to memory of 2856	1132	try again please.exe	80
PID 1132 wrote to memory of 2856	1132	try again please.exe	80
PID 476 wrote to memory of 2948	476	cmd.exe	82
PID 476 wrote to memory of 2948	476	cmd.exe	82
PID 476 wrote to memory of 2948	476	cmd.exe	82
PID 2856 wrote to memory of 1060	2856	cmd.exe	83
PID 2856 wrote to memory of 1060	2856	cmd.exe	83
PID 2856 wrote to memory of 1060	2856	cmd.exe	83
PID 2856 wrote to memory of 1884	2856	cmd.exe	84
PID 2856 wrote to memory of 1884	2856	cmd.exe	84
PID 2856 wrote to memory of 1884	2856	cmd.exe	84

C:\Users\Admin\AppData\Local\Temp\try again please.exe
"C:\Users\Admin\AppData\Local\Temp\try again please.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1132
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "roar" /tr '"C:\Users\Admin\AppData\Roaming\roar.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:476
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "roar" /tr '"C:\Users\Admin\AppData\Roaming\roar.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2948
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9673.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2856
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1060
- - C:\Users\Admin\AppData\Roaming\roar.exe
    "C:\Users\Admin\AppData\Roaming\roar.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:1884

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

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9673.tmp.bat

Filesize
148B

MD5
a261b8de02c2ae1cd9c9c3ca892c1ee9

SHA1
a07051ae51e9224c2b3d9a84dc3a235535e07346

SHA256
726ef90718bf392e67cedb2ff73ce4b87b5dc376b6258081d49fa5c8ee032ab1

SHA512
2eff35820f5ccf4967590760c1682544f126d0f34de3fd29f6d891b483af54373dfc89b796dbc1cc5dbc91f4294e9ec1ae21f99dddd88f470b697c67f889b961

Download Submit
C:\Users\Admin\AppData\Roaming\roar.exe

Filesize
47KB

MD5
be8251a986712feb5dfa8ce58aefd8ba

SHA1
4f6397e432799421ae91000bf01ef16b24e8ccf9

SHA256
f079245e344d5949ad5ea9de866853a65460834f7d26980346ceafe8b4e6b5bb

SHA512
8169b0875ad4813107ccdb75b1fa4facba0c46a426325ee67cf84d32d4ed85d1ab582ee3e3bc5a297208cf076d88ca774c946e3e3c3e23940a01514098f5859f

Download Submit
memory/1132-3-0x00000000050B0000-0x0000000005116000-memory.dmp

Filesize
408KB

Download
memory/1132-0-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

Filesize
4KB

Download
memory/1132-4-0x00000000054C0000-0x000000000555C000-memory.dmp

Filesize
624KB

Download
memory/1132-9-0x0000000074C30000-0x00000000753E1000-memory.dmp

Filesize
7.7MB

Download
memory/1132-2-0x0000000074C30000-0x00000000753E1000-memory.dmp

Filesize
7.7MB

Download
memory/1132-1-0x00000000005B0000-0x00000000005C2000-memory.dmp

Filesize
72KB

Download
memory/1884-14-0x0000000074B80000-0x0000000075331000-memory.dmp

Filesize
7.7MB

Download
memory/1884-15-0x0000000074B80000-0x0000000075331000-memory.dmp

Filesize
7.7MB

Download
memory/1884-18-0x00000000060F0000-0x0000000006696000-memory.dmp

Filesize
5.6MB

Download
memory/1884-19-0x0000000006920000-0x0000000006996000-memory.dmp

Filesize
472KB

Download
memory/1884-20-0x00000000068A0000-0x0000000006908000-memory.dmp

Filesize
416KB

Download
memory/1884-21-0x00000000069D0000-0x00000000069EE000-memory.dmp

Filesize
120KB

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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