asyncrat | 9d6edb0f6caafb53a4dff8af63100ce4c0297e4c71d251ad0a987c4111f84eb9

General

Target

9d6edb0f6caafb53a4dff8af63100ce4c0297e4c71d251ad0a987c4111f84eb9.exe
Size

63KB
MD5

36f8df0f89d2db3868cab2ed54d9ea5b
SHA1

5add8dbb1df3d173e59c96949ed99994789511a4
SHA256

9d6edb0f6caafb53a4dff8af63100ce4c0297e4c71d251ad0a987c4111f84eb9
SHA512

638cc72b2bed01014ff109a1a4c95615f9e203be758839f1aa2d5836b9f38bba92867112ae81b939c54b7d231923090b881d276e152eb5095bc00784986a59c5
SSDEEP

768:4q8Puie/G678P/C8A+X6iazcBRL5JTk1+T4KSBGHmDbD/ph0oX1JgUSuMdpqKYhg:4CGLpdSJYUbdh91eTuMdpqKmY7

Score

10^/10

asyncrat whonk rat

Malware Config

Extracted

Family

asyncrat

Botnet

whonk

C2

127.0.0.1:8848

127.0.0.1:37532

over-aifare.gl.at.ply.gg:8848

over-aifare.gl.at.ply.gg:37532

Attributes

delay
1
install
true
install_file
system32.exe
install_folder
%AppData%

aes.plain

Signatures

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
behavioral1/files/0x0004000000017801-15.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2936	system32.exe

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2400	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
2896	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1140	9d6edb0f6caafb53a4dff8af63100ce4c0297e4c71d251ad0a987c4111f84eb9.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1140	9d6edb0f6caafb53a4dff8af63100ce4c0297e4c71d251ad0a987c4111f84eb9.exe
Token: SeDebugPrivilege	2936	system32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 2440	1140	9d6edb0f6caafb53a4dff8af63100ce4c0297e4c71d251ad0a987c4111f84eb9.exe	30
PID 1140 wrote to memory of 2440	1140	9d6edb0f6caafb53a4dff8af63100ce4c0297e4c71d251ad0a987c4111f84eb9.exe	30
PID 1140 wrote to memory of 2440	1140	9d6edb0f6caafb53a4dff8af63100ce4c0297e4c71d251ad0a987c4111f84eb9.exe	30
PID 2440 wrote to memory of 2896	2440	cmd.exe	32
PID 2440 wrote to memory of 2896	2440	cmd.exe	32
PID 2440 wrote to memory of 2896	2440	cmd.exe	32
PID 1140 wrote to memory of 2784	1140	9d6edb0f6caafb53a4dff8af63100ce4c0297e4c71d251ad0a987c4111f84eb9.exe	33
PID 1140 wrote to memory of 2784	1140	9d6edb0f6caafb53a4dff8af63100ce4c0297e4c71d251ad0a987c4111f84eb9.exe	33
PID 1140 wrote to memory of 2784	1140	9d6edb0f6caafb53a4dff8af63100ce4c0297e4c71d251ad0a987c4111f84eb9.exe	33
PID 2784 wrote to memory of 2400	2784	cmd.exe	35
PID 2784 wrote to memory of 2400	2784	cmd.exe	35
PID 2784 wrote to memory of 2400	2784	cmd.exe	35
PID 2784 wrote to memory of 2936	2784	cmd.exe	36
PID 2784 wrote to memory of 2936	2784	cmd.exe	36
PID 2784 wrote to memory of 2936	2784	cmd.exe	36

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\9d6edb0f6caafb53a4dff8af63100ce4c0297e4c71d251ad0a987c4111f84eb9.exe
"C:\Users\Admin\AppData\Local\Temp\9d6edb0f6caafb53a4dff8af63100ce4c0297e4c71d251ad0a987c4111f84eb9.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1140
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "system32" /tr '"C:\Users\Admin\AppData\Roaming\system32.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2440
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "system32" /tr '"C:\Users\Admin\AppData\Roaming\system32.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2896
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpEC33.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2400
- - C:\Users\Admin\AppData\Roaming\system32.exe
    "C:\Users\Admin\AppData\Roaming\system32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2936

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

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpEC33.tmp.bat

Filesize
152B

MD5
e18fceeb8f38e287cb47c825217522fb

SHA1
498e76b960c19b7f7870ba4c88082a5d79a616f3

SHA256
e83cbf403ccbf1066473522bc61b2385f914f4b283c697cb3170b750a1a34dc4

SHA512
cf9d1a8670d5be0cbc6babcbad8fc4518360088a12262cee0b6eae8ec517c918641b45e04e9f08be270a05b8835474cccb13292f3e35a23782a8063a892086b1

Download Submit
C:\Users\Admin\AppData\Roaming\system32.exe

Filesize
63KB

MD5
36f8df0f89d2db3868cab2ed54d9ea5b

SHA1
5add8dbb1df3d173e59c96949ed99994789511a4

SHA256
9d6edb0f6caafb53a4dff8af63100ce4c0297e4c71d251ad0a987c4111f84eb9

SHA512
638cc72b2bed01014ff109a1a4c95615f9e203be758839f1aa2d5836b9f38bba92867112ae81b939c54b7d231923090b881d276e152eb5095bc00784986a59c5

Download Submit
memory/1140-0-0x000007FEF5663000-0x000007FEF5664000-memory.dmp

Filesize
4KB

Download
memory/1140-1-0x0000000000E70000-0x0000000000E86000-memory.dmp

Filesize
88KB

Download
memory/1140-2-0x000007FEF5660000-0x000007FEF604C000-memory.dmp

Filesize
9.9MB

Download
memory/1140-3-0x000007FEF5660000-0x000007FEF604C000-memory.dmp

Filesize
9.9MB

Download
memory/1140-13-0x000007FEF5660000-0x000007FEF604C000-memory.dmp

Filesize
9.9MB

Download
memory/2936-17-0x0000000000E30000-0x0000000000E46000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads