asyncrat | 7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91

General

Target

7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91.exe
Size

74KB
MD5

c68b658d7ad2d719d3eb54079f401944
SHA1

11308eb4ac8c2ae86249bc56e8a65368fe364be1
SHA256

7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91
SHA512

859679e490591b24549171780515a44bacaa7ad4beb59f6c3a7e65ba13ed57e4144542245b6073058ec35ae69a948c1e934e18fc6ae6cf550fa46a9ce09741f5
SSDEEP

1536:WUrQcxHCapCtGPMVCe9VdQuDI6H1bf/EigBQzciLVclN:WUMcxHCoeGPMVCe9VdQsH1bfPIQzBY

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

79.137.199.150:4449

Mutex

srgopqzzquchkyq

Attributes

delay
1
install
true
install_file
jkfghdhfd.exe
install_folder
%Temp%

aes.plain

Signatures

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

VenomRAT 3 IoCs

Detects VenomRAT.

rat

Processes:

resource	yara_rule
behavioral1/memory/2440-1-0x0000000000850000-0x0000000000868000-memory.dmp	VenomRAT
C:\Users\Admin\AppData\Local\Temp\jkfghdhfd.exe	VenomRAT
behavioral1/memory/2260-18-0x0000000000190000-0x00000000001A8000-memory.dmp	VenomRAT

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\jkfghdhfd.exe	family_asyncrat

Executes dropped EXE 1 IoCs

Processes:

jkfghdhfd.exe

pid process

2260 jkfghdhfd.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

Processes:

timeout.exe

pid process

2268 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

1064 schtasks.exe

pid	process
2260	jkfghdhfd.exe

pid	process
2268	timeout.exe

pid	process
1064	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91.exejkfghdhfd.exe

pid	process
2440	7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91.exe
2440	7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91.exe
2260	jkfghdhfd.exe
2260	jkfghdhfd.exe
2260	jkfghdhfd.exe
2260	jkfghdhfd.exe
2260	jkfghdhfd.exe
2260	jkfghdhfd.exe
2260	jkfghdhfd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91.exejkfghdhfd.exe

description	pid	process
Token: SeDebugPrivilege	2440	7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91.exe
Token: SeDebugPrivilege	2260	jkfghdhfd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

jkfghdhfd.exe

pid process

2260 jkfghdhfd.exe

pid	process
2260	jkfghdhfd.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91.execmd.execmd.exe

description	pid	process	target process
PID 2440 wrote to memory of 2124	2440	7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91.exe	cmd.exe
PID 2440 wrote to memory of 2124	2440	7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91.exe	cmd.exe
PID 2440 wrote to memory of 2124	2440	7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91.exe	cmd.exe
PID 2440 wrote to memory of 2104	2440	7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91.exe	cmd.exe
PID 2440 wrote to memory of 2104	2440	7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91.exe	cmd.exe
PID 2440 wrote to memory of 2104	2440	7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91.exe	cmd.exe
PID 2124 wrote to memory of 1064	2124	cmd.exe	schtasks.exe
PID 2124 wrote to memory of 1064	2124	cmd.exe	schtasks.exe
PID 2124 wrote to memory of 1064	2124	cmd.exe	schtasks.exe
PID 2104 wrote to memory of 2268	2104	cmd.exe	timeout.exe
PID 2104 wrote to memory of 2268	2104	cmd.exe	timeout.exe
PID 2104 wrote to memory of 2268	2104	cmd.exe	timeout.exe
PID 2104 wrote to memory of 2260	2104	cmd.exe	jkfghdhfd.exe
PID 2104 wrote to memory of 2260	2104	cmd.exe	jkfghdhfd.exe
PID 2104 wrote to memory of 2260	2104	cmd.exe	jkfghdhfd.exe

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\7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91.exe
"C:\Users\Admin\AppData\Local\Temp\7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "jkfghdhfd" /tr '"C:\Users\Admin\AppData\Local\Temp\jkfghdhfd.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "jkfghdhfd" /tr '"C:\Users\Admin\AppData\Local\Temp\jkfghdhfd.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1064
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp8ED7.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2104
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2268
- - C:\Users\Admin\AppData\Local\Temp\jkfghdhfd.exe
    "C:\Users\Admin\AppData\Local\Temp\jkfghdhfd.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2260

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\jkfghdhfd.exe

Filesize
74KB

MD5
c68b658d7ad2d719d3eb54079f401944

SHA1
11308eb4ac8c2ae86249bc56e8a65368fe364be1

SHA256
7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91

SHA512
859679e490591b24549171780515a44bacaa7ad4beb59f6c3a7e65ba13ed57e4144542245b6073058ec35ae69a948c1e934e18fc6ae6cf550fa46a9ce09741f5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8ED7.tmp.bat

Filesize
156B

MD5
0debeed83fb42dc15642f63a3cd278bd

SHA1
7978231fc2a084846af33ffd08d4166fd64d99d1

SHA256
23f25267b2fba16fbaae5bd4b90277b539f223a4031cbb48f529437ea04ce839

SHA512
0f7b0a6b57c3dc1e640866c692bd87b74bf823c34c742bc90a7e68a0e8c89dad52395f774b75b40d24fbabd1112ca0f53a7d9671461ee7a48d0917d9ce19ad71

Download Submit
C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf

Filesize
8B

MD5
cf759e4c5f14fe3eec41b87ed756cea8

SHA1
c27c796bb3c2fac929359563676f4ba1ffada1f5

SHA256
c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

SHA512
c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

Download Submit
memory/2260-18-0x0000000000190000-0x00000000001A8000-memory.dmp

Filesize
96KB

Download
memory/2440-0-0x000007FEF5CF3000-0x000007FEF5CF4000-memory.dmp

Filesize
4KB

Download
memory/2440-1-0x0000000000850000-0x0000000000868000-memory.dmp

Filesize
96KB

Download
memory/2440-3-0x000007FEF5CF0000-0x000007FEF66DC000-memory.dmp

Filesize
9.9MB

Download
memory/2440-9-0x000007FEF5CF0000-0x000007FEF66DC000-memory.dmp

Filesize
9.9MB

Download
memory/2440-13-0x000007FEF5CF0000-0x000007FEF66DC000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads