asyncrat | 7a3b1e9c8df660dc1c1cf9b17411c1d6a4ffca364712c5de8ac46b1199ece1ce

Analysis

max time kernel
148s
max time network
193s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
16/06/2023, 18:36

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General

Target

GjIEmKW.exe
Size

646KB
MD5

f1721c98efdae451be8ef071044cdb85
SHA1

28afdff9b32d7da6918a4ecc3a30eafe3be1f8e6
SHA256

bce1a92464358055d118d7a107bf8d5361f4fc2dfaaa41a18d2a9bc11b640272
SHA512

5e560094bfdb5d9e0a0f545373c9943a57c1da12378153cd0943ac2b10da9fcd1e256a71777f5cab803f5c434db11cd6cdd463bdcd2fe36420d7db5f2c57ffaf
SSDEEP

12288:z4UBGj3cBfudMiILCLbexicLZHgVkbh11a9iZoyfetMYviLZ4uDFa:z49j3Z4Ld30v8R

Score

10^/10

asyncrat venom clients rat

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

Venom Clients

45.137.65.94:4449

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

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

Async RAT payload 5 IoCs

rat

resource	yara_rule
behavioral5/memory/916-60-0x0000000000400000-0x0000000000416000-memory.dmp	asyncrat
behavioral5/memory/916-61-0x0000000000400000-0x0000000000416000-memory.dmp	asyncrat
behavioral5/memory/916-63-0x0000000000400000-0x0000000000416000-memory.dmp	asyncrat
behavioral5/memory/916-65-0x0000000000400000-0x0000000000416000-memory.dmp	asyncrat
behavioral5/memory/916-67-0x0000000000400000-0x0000000000416000-memory.dmp	asyncrat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1868 set thread context of 916	1868	GjIEmKW.exe	26

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	916	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 916	1868	GjIEmKW.exe	26
PID 1868 wrote to memory of 916	1868	GjIEmKW.exe	26
PID 1868 wrote to memory of 916	1868	GjIEmKW.exe	26
PID 1868 wrote to memory of 916	1868	GjIEmKW.exe	26
PID 1868 wrote to memory of 916	1868	GjIEmKW.exe	26
PID 1868 wrote to memory of 916	1868	GjIEmKW.exe	26
PID 1868 wrote to memory of 916	1868	GjIEmKW.exe	26
PID 1868 wrote to memory of 916	1868	GjIEmKW.exe	26
PID 1868 wrote to memory of 916	1868	GjIEmKW.exe	26

C:\Users\Admin\AppData\Local\Temp\GjIEmKW.exe
"C:\Users\Admin\AppData\Local\Temp\GjIEmKW.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:916

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/916-63-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/916-68-0x0000000002140000-0x0000000002180000-memory.dmp

Filesize
256KB

Download
memory/916-69-0x0000000002140000-0x0000000002180000-memory.dmp

Filesize
256KB

Download
memory/916-61-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/916-58-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/916-59-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/916-62-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/916-60-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/916-67-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/916-65-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1868-54-0x0000000001150000-0x00000000011F8000-memory.dmp

Filesize
672KB

Download
memory/1868-55-0x0000000000290000-0x000000000029C000-memory.dmp

Filesize
48KB

Download
memory/1868-57-0x00000000002A0000-0x00000000002A8000-memory.dmp

Filesize
32KB

Download
memory/1868-56-0x0000000000610000-0x0000000000650000-memory.dmp

Filesize
256KB

Download