bitrat | c733abcd9c2a5c1734242bc3238dd44e9aaf7e2c01878bebe2751c1b99f9a658

General

Target

Stub.exe
Size

3.8MB
MD5

5d422b017137a0060e7de3b1ddff3fbb
SHA1

fbc8138cc80dd477ec6bd45ade7bdd27de251260
SHA256

c733abcd9c2a5c1734242bc3238dd44e9aaf7e2c01878bebe2751c1b99f9a658
SHA512

b5794b69eb87e6e3f0fe19dfe0734a94fb342e27dc3e2936abd052d7cf8f82b672d28a250378b15c3631be6ce60a21643573d372a12917d5cbfa941f17fd4bdc
SSDEEP

98304:d77Pmq33rE/JDLPWZADUGer7B6iY74M/7mlwXVZ4FB:5+R/eZADUXR

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
Downloads MZ/PE file
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

Stub.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1859779917-101786662-3680946609-1000\Control Panel\International\Geo\Nation Stub.exe
Executes dropped EXE 1 IoCs

Processes:

3Yw4DNXZUMUTJnxA.exe

pid process

3584 3Yw4DNXZUMUTJnxA.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1859779917-101786662-3680946609-1000\Control Panel\International\Geo\Nation	Stub.exe

pid	process
3584	3Yw4DNXZUMUTJnxA.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3Yw4DNXZUMUTJnxA.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1859779917-101786662-3680946609-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\checkupdater = "C:\\Users\\Admin\\AppData\\Local\\checkupdater.exe"	3Yw4DNXZUMUTJnxA.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

Processes:

Stub.exeaspnet_compiler.exe

pid process

3664 Stub.exe
3664 Stub.exe
3664 Stub.exe
3664 Stub.exe
3664 Stub.exe
2336 aspnet_compiler.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

3Yw4DNXZUMUTJnxA.exe

description pid process target process

PID 3584 set thread context of 2336 3584 3Yw4DNXZUMUTJnxA.exe aspnet_compiler.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

3Yw4DNXZUMUTJnxA.exe

pid process

3584 3Yw4DNXZUMUTJnxA.exe

pid	process
3664	Stub.exe
3664	Stub.exe
3664	Stub.exe
3664	Stub.exe
3664	Stub.exe
2336	aspnet_compiler.exe

description	pid	process	target process
PID 3584 set thread context of 2336	3584	3Yw4DNXZUMUTJnxA.exe	aspnet_compiler.exe

pid	process
3584	3Yw4DNXZUMUTJnxA.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Stub.exe3Yw4DNXZUMUTJnxA.exeaspnet_compiler.exe

description	pid	process
Token: SeShutdownPrivilege	3664	Stub.exe
Token: SeDebugPrivilege	3584	3Yw4DNXZUMUTJnxA.exe
Token: SeShutdownPrivilege	2336	aspnet_compiler.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

Stub.exe

pid process

3664 Stub.exe
3664 Stub.exe

pid	process
3664	Stub.exe
3664	Stub.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Stub.exe3Yw4DNXZUMUTJnxA.exe

description	pid	process	target process
PID 3664 wrote to memory of 3584	3664	Stub.exe	3Yw4DNXZUMUTJnxA.exe
PID 3664 wrote to memory of 3584	3664	Stub.exe	3Yw4DNXZUMUTJnxA.exe
PID 3664 wrote to memory of 3584	3664	Stub.exe	3Yw4DNXZUMUTJnxA.exe
PID 3584 wrote to memory of 2336	3584	3Yw4DNXZUMUTJnxA.exe	aspnet_compiler.exe
PID 3584 wrote to memory of 2336	3584	3Yw4DNXZUMUTJnxA.exe	aspnet_compiler.exe
PID 3584 wrote to memory of 2336	3584	3Yw4DNXZUMUTJnxA.exe	aspnet_compiler.exe
PID 3584 wrote to memory of 2336	3584	3Yw4DNXZUMUTJnxA.exe	aspnet_compiler.exe
PID 3584 wrote to memory of 2336	3584	3Yw4DNXZUMUTJnxA.exe	aspnet_compiler.exe
PID 3584 wrote to memory of 2336	3584	3Yw4DNXZUMUTJnxA.exe	aspnet_compiler.exe
PID 3584 wrote to memory of 2336	3584	3Yw4DNXZUMUTJnxA.exe	aspnet_compiler.exe
PID 3584 wrote to memory of 2336	3584	3Yw4DNXZUMUTJnxA.exe	aspnet_compiler.exe
PID 3584 wrote to memory of 2336	3584	3Yw4DNXZUMUTJnxA.exe	aspnet_compiler.exe
PID 3584 wrote to memory of 2336	3584	3Yw4DNXZUMUTJnxA.exe	aspnet_compiler.exe
PID 3584 wrote to memory of 2336	3584	3Yw4DNXZUMUTJnxA.exe	aspnet_compiler.exe

C:\Users\Admin\AppData\Local\Temp\Stub.exe
"C:\Users\Admin\AppData\Local\Temp\Stub.exe"
1⤵
- Checks computer location settings
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3664

C:\Users\Admin\AppData\Local\Temp\3Yw4DNXZUMUTJnxA.exe
"C:\Users\Admin\AppData\Local\Temp\3Yw4DNXZUMUTJnxA.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3584

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
3⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:2336

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

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\3Yw4DNXZUMUTJnxA.exe
Filesize
6.1MB

MD5
fab73af287c1c2d2c9f7eb56ae418c2a

SHA1
b9afbf362fd3a04290b37a2abafece67fba21b1b

SHA256
33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3

SHA512
c5a5803b097509967ff09a401d4f8d055a837c66f4bb257576513519233b40890bb8663ce08eddead348dacdace3d1212e3522480fbd6fe3a5e909970f442bab

Download Submit
C:\Users\Admin\AppData\Local\Temp\3Yw4DNXZUMUTJnxA.exe
Filesize
6.1MB

MD5
fab73af287c1c2d2c9f7eb56ae418c2a

SHA1
b9afbf362fd3a04290b37a2abafece67fba21b1b

SHA256
33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3

SHA512
c5a5803b097509967ff09a401d4f8d055a837c66f4bb257576513519233b40890bb8663ce08eddead348dacdace3d1212e3522480fbd6fe3a5e909970f442bab

Download Submit
C:\Users\Admin\AppData\Local\Temp\3Yw4DNXZUMUTJnxA.exe
Filesize
6.1MB

MD5
fab73af287c1c2d2c9f7eb56ae418c2a

SHA1
b9afbf362fd3a04290b37a2abafece67fba21b1b

SHA256
33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3

SHA512
c5a5803b097509967ff09a401d4f8d055a837c66f4bb257576513519233b40890bb8663ce08eddead348dacdace3d1212e3522480fbd6fe3a5e909970f442bab

Download Submit
memory/2336-29-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2336-26-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2336-34-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2336-33-0x00000000733F0000-0x0000000073429000-memory.dmp

Filesize
228KB

Download
memory/2336-32-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2336-31-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2336-28-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3584-30-0x0000000072D50000-0x0000000073500000-memory.dmp

Filesize
7.7MB

Download
memory/3584-24-0x00000000060F0000-0x0000000006694000-memory.dmp

Filesize
5.6MB

Download
memory/3584-21-0x0000000002DB0000-0x0000000002DC0000-memory.dmp

Filesize
64KB

Download
memory/3584-20-0x0000000072D50000-0x0000000073500000-memory.dmp

Filesize
7.7MB

Download
memory/3584-19-0x0000000002DB0000-0x0000000002DC0000-memory.dmp

Filesize
64KB

Download
memory/3584-17-0x0000000072D50000-0x0000000073500000-memory.dmp

Filesize
7.7MB

Download
memory/3584-18-0x00000000005E0000-0x0000000000C04000-memory.dmp

Filesize
6.1MB

Download
memory/3664-22-0x0000000075090000-0x00000000750C9000-memory.dmp

Filesize
228KB

Download
memory/3664-23-0x0000000075430000-0x0000000075469000-memory.dmp

Filesize
228KB

Download
memory/3664-0-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3664-2-0x0000000075430000-0x0000000075469000-memory.dmp

Filesize
228KB

Download
memory/3664-1-0x0000000075090000-0x00000000750C9000-memory.dmp

Filesize
228KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads