asyncrat | dc17f3ff3b95d3f1aa586e4b5087b16e7cf66684532204a5f03145c106bd0c99

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14/01/2025, 02:07

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General

Target

Nigga.exe
Size

63KB
MD5

db88fc3e8338d1db8f973b1723356e9f
SHA1

71bc4bc780dc2b69f9b3d8f168ec64a2056d8f1e
SHA256

dc17f3ff3b95d3f1aa586e4b5087b16e7cf66684532204a5f03145c106bd0c99
SHA512

46224419143f59b7faabcd68e76378ed0fa51e7a9c50af80a35535753920df85735d56d5bffd6a28cf01642d2c2b568b2f796808bf5e05a8ba97b7ce98da5d1a
SSDEEP

1536:shBxLDlw0eEUzsUtmC6ZLBK3gbbOwUnDdGCDpqKmY7:shBxLDlw0dUvtmC6VBwgbbOVgz

Score

10^/10

asyncrat offsets rat

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

Offsets

127.0.0.1:4449

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

Attributes

delay
1
install
true
install_file
svchost.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
behavioral1/files/0x000b000000012029-15.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
1980	svchost.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
2124	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
2128	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2828	Nigga.exe
2828	Nigga.exe
2828	Nigga.exe
2828	Nigga.exe
2828	Nigga.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe
1980	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2828	Nigga.exe
Token: SeDebugPrivilege	1980	svchost.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 2368	2828	Nigga.exe	28
PID 2828 wrote to memory of 2368	2828	Nigga.exe	28
PID 2828 wrote to memory of 2368	2828	Nigga.exe	28
PID 2828 wrote to memory of 2896	2828	Nigga.exe	29
PID 2828 wrote to memory of 2896	2828	Nigga.exe	29
PID 2828 wrote to memory of 2896	2828	Nigga.exe	29
PID 2896 wrote to memory of 2124	2896	cmd.exe	32
PID 2896 wrote to memory of 2124	2896	cmd.exe	32
PID 2896 wrote to memory of 2124	2896	cmd.exe	32
PID 2368 wrote to memory of 2128	2368	cmd.exe	33
PID 2368 wrote to memory of 2128	2368	cmd.exe	33
PID 2368 wrote to memory of 2128	2368	cmd.exe	33
PID 2896 wrote to memory of 1980	2896	cmd.exe	34
PID 2896 wrote to memory of 1980	2896	cmd.exe	34
PID 2896 wrote to memory of 1980	2896	cmd.exe	34

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\Nigga.exe
"C:\Users\Admin\AppData\Local\Temp\Nigga.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2128
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp8F25.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2896
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2124
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8F25.tmp.bat

Filesize
151B

MD5
a736468a096ca08b35885bd539d23507

SHA1
790c2a00936697b3766fd5ec16d6aa2b8a40fbff

SHA256
febb4d66bb22a1ea5f1f4dd9be3e86be7eff3a3160b0ddb129c9a74282526d61

SHA512
631587a980b692b53ae017ee58d322ba0a98249d90f4eadfcac5673f00dc6836424035bf85a7d35609d7e1f7de5481bf1b025b466a74278f1f3644284a31df5e

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

Filesize
63KB

MD5
db88fc3e8338d1db8f973b1723356e9f

SHA1
71bc4bc780dc2b69f9b3d8f168ec64a2056d8f1e

SHA256
dc17f3ff3b95d3f1aa586e4b5087b16e7cf66684532204a5f03145c106bd0c99

SHA512
46224419143f59b7faabcd68e76378ed0fa51e7a9c50af80a35535753920df85735d56d5bffd6a28cf01642d2c2b568b2f796808bf5e05a8ba97b7ce98da5d1a

Download Submit
memory/1980-17-0x0000000000DC0000-0x0000000000DD6000-memory.dmp

Filesize
88KB

Download
memory/2828-0-0x000007FEF57C3000-0x000007FEF57C4000-memory.dmp

Filesize
4KB

Download
memory/2828-1-0x00000000009B0000-0x00000000009C6000-memory.dmp

Filesize
88KB

Download
memory/2828-2-0x000007FEF57C0000-0x000007FEF61AC000-memory.dmp

Filesize
9.9MB

Download
memory/2828-3-0x000007FEF57C0000-0x000007FEF61AC000-memory.dmp

Filesize
9.9MB

Download
memory/2828-12-0x000007FEF57C0000-0x000007FEF61AC000-memory.dmp

Filesize
9.9MB

Download