asyncrat | 2799308c4b285f662d2954b3d9900951d74ae0cdde04b80ff865221817103f3b

General

Target

fd1.exe
Size

649KB
MD5

b9a42052c81229de87b90370c7e8ef56
SHA1

8253ef8fe65f68ea7e0cc11bcdc06ec91c8d3290
SHA256

2799308c4b285f662d2954b3d9900951d74ae0cdde04b80ff865221817103f3b
SHA512

0e6a1b3d66c2401f8b8d5f8b2cae7d4912fa73565faf4c21686caa63a0d81eda952d6070edb57e7577c15c896caff3e52a6671713cfaa13ed21bab7accb86755
SSDEEP

12288:tOSF/ZdMP5WlYj6Fs/HI6C96D7cyTZ33a33S333333dkS9Jy9:tLrMPkDFB6+2NkeO

Score

10^/10

asyncrat default discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.2

Botnet

Default

C2

5.182.87.154:4449

Mutex

jiqsvporltpvroy

Attributes

delay
1
install
false
install_folder
%AppData%

aes.plain

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dzodxh = "C:\\Users\\Admin\\AppData\\Roaming\\Dzodxh.exe"	fd1.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2124 set thread context of 2928	2124	fd1.exe	28

Suspicious behavior: EnumeratesProcesses 34 IoCs

pid	Process
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe
2928	fd1.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2124	fd1.exe
Token: SeDebugPrivilege	2928	fd1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2928	fd1.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2928	2124	fd1.exe	28
PID 2124 wrote to memory of 2928	2124	fd1.exe	28
PID 2124 wrote to memory of 2928	2124	fd1.exe	28
PID 2124 wrote to memory of 2928	2124	fd1.exe	28
PID 2124 wrote to memory of 2928	2124	fd1.exe	28
PID 2124 wrote to memory of 2928	2124	fd1.exe	28
PID 2124 wrote to memory of 2928	2124	fd1.exe	28

C:\Users\Admin\AppData\Local\Temp\fd1.exe
"C:\Users\Admin\AppData\Local\Temp\fd1.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\fd1.exe
  C:\Users\Admin\AppData\Local\Temp\fd1.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarC549.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
memory/2124-0-0x0000000000D30000-0x0000000000DD8000-memory.dmp

Filesize
672KB

Download
memory/2124-2-0x000007FEF5950000-0x000007FEF633C000-memory.dmp

Filesize
9.9MB

Download
memory/2124-1-0x0000000000970000-0x00000000009BC000-memory.dmp

Filesize
304KB

Download
memory/2124-3-0x000000001ADB0000-0x000000001AE30000-memory.dmp

Filesize
512KB

Download
memory/2124-4-0x0000000000A40000-0x0000000000A74000-memory.dmp

Filesize
208KB

Download
memory/2124-5-0x0000000000A80000-0x0000000000AB4000-memory.dmp

Filesize
208KB

Download
memory/2124-6-0x0000000000AB0000-0x0000000000AFC000-memory.dmp

Filesize
304KB

Download
memory/2124-18-0x000007FEF5950000-0x000007FEF633C000-memory.dmp

Filesize
9.9MB

Download
memory/2928-14-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

Filesize
4KB

Download
memory/2928-16-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2928-12-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2928-21-0x000007FEF5950000-0x000007FEF633C000-memory.dmp

Filesize
9.9MB

Download
memory/2928-22-0x000000001B170000-0x000000001B1F0000-memory.dmp

Filesize
512KB

Download
memory/2928-23-0x0000000077540000-0x00000000776E9000-memory.dmp

Filesize
1.7MB

Download
memory/2928-10-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2928-8-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2928-101-0x000007FEF5950000-0x000007FEF633C000-memory.dmp

Filesize
9.9MB

Download
memory/2928-142-0x0000000077540000-0x00000000776E9000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads