bitrat | 430febf4575bb2ae4f6bd9eab575c97e7726dd3096af36c0806717e3c9bdc984

Analysis

max time kernel
144s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
26-04-2024 19:37

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General

Target

a.ps1
Size

1.7MB
MD5

74866dd483cd71b019dd1d3135dd95d3
SHA1

6acda6bc5dbe8f27396cf204491b548ea9977247
SHA256

430febf4575bb2ae4f6bd9eab575c97e7726dd3096af36c0806717e3c9bdc984
SHA512

3b8f68f33b04943077990b87e51ae8cae7621f2f2094c811412e2438c9a9d9f5d6096e9c87ce262aa8564dbecba9639612de6a21c137a03d9a46facc306ec366
SSDEEP

24576:tIufJMVUIdj3n2Hvoe/SrbQHNrmGUbRmsWEz/zdqn92yzXRy8YSExYY8orRlV7Np:dGvO/SvQhWJVYXUG8nPWrl+

Score

10^/10

bitrat trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

77.221.151.31:4444

Attributes

communication_password
7b13ff385b95cf25d53088d6b7c5d890
tor_process
tor

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat

UPX packed file 17 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/2964-14-0x0000000000400000-0x00000000007D3000-memory.dmp	upx
behavioral2/memory/2964-16-0x0000000000400000-0x00000000007D3000-memory.dmp	upx
behavioral2/memory/2964-15-0x0000000000400000-0x00000000007D3000-memory.dmp	upx
behavioral2/memory/2964-17-0x0000000000400000-0x00000000007D3000-memory.dmp	upx
behavioral2/memory/2964-20-0x0000000000400000-0x00000000007D3000-memory.dmp	upx
behavioral2/memory/2964-22-0x0000000000400000-0x00000000007D3000-memory.dmp	upx
behavioral2/memory/2964-24-0x0000000000400000-0x00000000007D3000-memory.dmp	upx
behavioral2/memory/2964-30-0x0000000000400000-0x00000000007D3000-memory.dmp	upx
behavioral2/memory/2964-32-0x0000000000400000-0x00000000007D3000-memory.dmp	upx
behavioral2/memory/2964-34-0x0000000000400000-0x00000000007D3000-memory.dmp	upx
behavioral2/memory/2964-33-0x0000000000400000-0x00000000007D3000-memory.dmp	upx
behavioral2/memory/2964-36-0x0000000000400000-0x00000000007D3000-memory.dmp	upx
behavioral2/memory/2964-37-0x0000000000400000-0x00000000007D3000-memory.dmp	upx
behavioral2/memory/2964-39-0x0000000000400000-0x00000000007D3000-memory.dmp	upx
behavioral2/memory/2964-40-0x0000000000400000-0x00000000007D3000-memory.dmp	upx
behavioral2/memory/2964-42-0x0000000000400000-0x00000000007D3000-memory.dmp	upx
behavioral2/memory/2964-43-0x0000000000400000-0x00000000007D3000-memory.dmp	upx

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

RegSvcs.exe

pid process

2964 RegSvcs.exe
2964 RegSvcs.exe
2964 RegSvcs.exe
2964 RegSvcs.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 4576 set thread context of 2964 4576 powershell.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exe

pid process

4576 powershell.exe
4576 powershell.exe
4576 powershell.exe
4576 powershell.exe
4576 powershell.exe
4576 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4576 powershell.exe
Token: SeShutdownPrivilege 2964 RegSvcs.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

RegSvcs.exe

pid process

2964 RegSvcs.exe
2964 RegSvcs.exe

pid	process
2964	RegSvcs.exe
2964	RegSvcs.exe
2964	RegSvcs.exe
2964	RegSvcs.exe

description	pid	process	target process
PID 4576 set thread context of 2964	4576	powershell.exe	RegSvcs.exe

pid	process
4576	powershell.exe
4576	powershell.exe
4576	powershell.exe
4576	powershell.exe
4576	powershell.exe
4576	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4576	powershell.exe
Token: SeShutdownPrivilege	2964	RegSvcs.exe

pid	process
2964	RegSvcs.exe
2964	RegSvcs.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

powershell.exe

description	pid	process	target process
PID 4576 wrote to memory of 2636	4576	powershell.exe	RegSvcs.exe
PID 4576 wrote to memory of 2636	4576	powershell.exe	RegSvcs.exe
PID 4576 wrote to memory of 2636	4576	powershell.exe	RegSvcs.exe
PID 4576 wrote to memory of 3892	4576	powershell.exe	RegSvcs.exe
PID 4576 wrote to memory of 3892	4576	powershell.exe	RegSvcs.exe
PID 4576 wrote to memory of 3892	4576	powershell.exe	RegSvcs.exe
PID 4576 wrote to memory of 2964	4576	powershell.exe	RegSvcs.exe
PID 4576 wrote to memory of 2964	4576	powershell.exe	RegSvcs.exe
PID 4576 wrote to memory of 2964	4576	powershell.exe	RegSvcs.exe
PID 4576 wrote to memory of 2964	4576	powershell.exe	RegSvcs.exe
PID 4576 wrote to memory of 2964	4576	powershell.exe	RegSvcs.exe
PID 4576 wrote to memory of 2964	4576	powershell.exe	RegSvcs.exe
PID 4576 wrote to memory of 2964	4576	powershell.exe	RegSvcs.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\a.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4576

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:2636

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:3892

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2964

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_znznbd2t.zyy.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2964-24-0x0000000000400000-0x00000000007D3000-memory.dmp

Filesize
3.8MB

Download
memory/2964-14-0x0000000000400000-0x00000000007D3000-memory.dmp

Filesize
3.8MB

Download
memory/2964-30-0x0000000000400000-0x00000000007D3000-memory.dmp

Filesize
3.8MB

Download
memory/2964-44-0x0000000074670000-0x00000000746A9000-memory.dmp

Filesize
228KB

Download
memory/2964-31-0x0000000074670000-0x00000000746A9000-memory.dmp

Filesize
228KB

Download
memory/2964-43-0x0000000000400000-0x00000000007D3000-memory.dmp

Filesize
3.8MB

Download
memory/2964-16-0x0000000000400000-0x00000000007D3000-memory.dmp

Filesize
3.8MB

Download
memory/2964-15-0x0000000000400000-0x00000000007D3000-memory.dmp

Filesize
3.8MB

Download
memory/2964-17-0x0000000000400000-0x00000000007D3000-memory.dmp

Filesize
3.8MB

Download
memory/2964-20-0x0000000000400000-0x00000000007D3000-memory.dmp

Filesize
3.8MB

Download
memory/2964-42-0x0000000000400000-0x00000000007D3000-memory.dmp

Filesize
3.8MB

Download
memory/2964-32-0x0000000000400000-0x00000000007D3000-memory.dmp

Filesize
3.8MB

Download
memory/2964-23-0x00000000742F0000-0x0000000074329000-memory.dmp

Filesize
228KB

Download
memory/2964-41-0x0000000074670000-0x00000000746A9000-memory.dmp

Filesize
228KB

Download
memory/2964-40-0x0000000000400000-0x00000000007D3000-memory.dmp

Filesize
3.8MB

Download
memory/2964-39-0x0000000000400000-0x00000000007D3000-memory.dmp

Filesize
3.8MB

Download
memory/2964-22-0x0000000000400000-0x00000000007D3000-memory.dmp

Filesize
3.8MB

Download
memory/2964-34-0x0000000000400000-0x00000000007D3000-memory.dmp

Filesize
3.8MB

Download
memory/2964-33-0x0000000000400000-0x00000000007D3000-memory.dmp

Filesize
3.8MB

Download
memory/2964-35-0x0000000074670000-0x00000000746A9000-memory.dmp

Filesize
228KB

Download
memory/2964-36-0x0000000000400000-0x00000000007D3000-memory.dmp

Filesize
3.8MB

Download
memory/2964-37-0x0000000000400000-0x00000000007D3000-memory.dmp

Filesize
3.8MB

Download
memory/2964-38-0x0000000074670000-0x00000000746A9000-memory.dmp

Filesize
228KB

Download
memory/4576-11-0x000001478EA00000-0x000001478EA10000-memory.dmp

Filesize
64KB

Download
memory/4576-10-0x00007FF97DB40000-0x00007FF97E601000-memory.dmp

Filesize
10.8MB

Download
memory/4576-9-0x00000147A7BD0000-0x00000147A7BF2000-memory.dmp

Filesize
136KB

Download
memory/4576-21-0x00007FF97DB40000-0x00007FF97E601000-memory.dmp

Filesize
10.8MB

Download
memory/4576-13-0x000001478EA00000-0x000001478EA10000-memory.dmp

Filesize
64KB

Download
memory/4576-12-0x00000147A7C00000-0x00000147A7C0E000-memory.dmp

Filesize
56KB

Download