bitrat | 33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3

General

Target

33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe
Size

6.1MB
MD5

fab73af287c1c2d2c9f7eb56ae418c2a
SHA1

b9afbf362fd3a04290b37a2abafece67fba21b1b
SHA256

33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3
SHA512

c5a5803b097509967ff09a401d4f8d055a837c66f4bb257576513519233b40890bb8663ce08eddead348dacdace3d1212e3522480fbd6fe3a5e909970f442bab
SSDEEP

98304:wVV8V0jkxwDuoUprzpnNHNVDNHVq4t2KsNStyoXpGQL4+bMzvIBkKAPLf:w7E0oCu9NtVJFRGQLcH

Score

10^/10

bitrat persistence trojan

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

smgqnt3eixxksasu.xyz:1234

Attributes

communication_password
30afda4853ef5b1bc36463ba95d84247
tor_process
tor

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\checkupdater = "C:\\Users\\Admin\\AppData\\Local\\checkupdater.exe"	33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

aspnet_compiler.exe

pid process

1636 aspnet_compiler.exe
1636 aspnet_compiler.exe
1636 aspnet_compiler.exe
1636 aspnet_compiler.exe

pid	process
1636	aspnet_compiler.exe
1636	aspnet_compiler.exe
1636	aspnet_compiler.exe
1636	aspnet_compiler.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe

description	pid	process	target process
PID 3004 set thread context of 1636	3004	33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe	aspnet_compiler.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe

pid	process
3004	33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe
3004	33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe
3004	33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exeaspnet_compiler.exe

description	pid	process
Token: SeDebugPrivilege	3004	33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe
Token: SeShutdownPrivilege	1636	aspnet_compiler.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

aspnet_compiler.exe

pid process

1636 aspnet_compiler.exe
1636 aspnet_compiler.exe

pid	process
1636	aspnet_compiler.exe
1636	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe

description	pid	process	target process
PID 3004 wrote to memory of 2324	3004	33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe	aspnet_compiler.exe
PID 3004 wrote to memory of 2324	3004	33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe	aspnet_compiler.exe
PID 3004 wrote to memory of 2324	3004	33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe	aspnet_compiler.exe
PID 3004 wrote to memory of 1636	3004	33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe	aspnet_compiler.exe
PID 3004 wrote to memory of 1636	3004	33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe	aspnet_compiler.exe
PID 3004 wrote to memory of 1636	3004	33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe	aspnet_compiler.exe
PID 3004 wrote to memory of 1636	3004	33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe	aspnet_compiler.exe
PID 3004 wrote to memory of 1636	3004	33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe	aspnet_compiler.exe
PID 3004 wrote to memory of 1636	3004	33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe	aspnet_compiler.exe
PID 3004 wrote to memory of 1636	3004	33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe	aspnet_compiler.exe
PID 3004 wrote to memory of 1636	3004	33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe	aspnet_compiler.exe
PID 3004 wrote to memory of 1636	3004	33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe	aspnet_compiler.exe
PID 3004 wrote to memory of 1636	3004	33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe	aspnet_compiler.exe
PID 3004 wrote to memory of 1636	3004	33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe	aspnet_compiler.exe

C:\Users\Admin\AppData\Local\Temp\33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe
"C:\Users\Admin\AppData\Local\Temp\33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3004

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
2⤵
PID:2324

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1636

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1636-23-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1636-24-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1636-16-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1636-17-0x00000000750A0000-0x00000000750D9000-memory.dmp

Filesize
228KB

Download
memory/1636-31-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1636-30-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1636-29-0x0000000075420000-0x0000000075459000-memory.dmp

Filesize
228KB

Download
memory/1636-28-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1636-27-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1636-10-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1636-12-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1636-13-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1636-15-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1636-26-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1636-25-0x0000000075420000-0x0000000075459000-memory.dmp

Filesize
228KB

Download
memory/1636-32-0x0000000075420000-0x0000000075459000-memory.dmp

Filesize
228KB

Download
memory/1636-18-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1636-19-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1636-20-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1636-21-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1636-22-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3004-0-0x0000000075190000-0x0000000075940000-memory.dmp

Filesize
7.7MB

Download
memory/3004-1-0x0000000075190000-0x0000000075940000-memory.dmp

Filesize
7.7MB

Download
memory/3004-2-0x0000000000430000-0x0000000000A54000-memory.dmp

Filesize
6.1MB

Download
memory/3004-14-0x0000000075190000-0x0000000075940000-memory.dmp

Filesize
7.7MB

Download
memory/3004-8-0x0000000005F80000-0x0000000006524000-memory.dmp

Filesize
5.6MB

Download
memory/3004-7-0x0000000002E30000-0x0000000002E40000-memory.dmp

Filesize
64KB

Download
memory/3004-6-0x0000000005950000-0x000000000599C000-memory.dmp

Filesize
304KB

Download
memory/3004-5-0x0000000005760000-0x0000000005954000-memory.dmp

Filesize
2.0MB

Download
memory/3004-4-0x0000000002E30000-0x0000000002E40000-memory.dmp

Filesize
64KB

Download
memory/3004-3-0x0000000005420000-0x0000000005626000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads