bitrat | fbf6975ff839f412c785a11622010f5d2dcdec0696f5523e630d8e050d8fe1d6

General

Target

PDF DOCUMENTO GENERADO.exe
Size

4.3MB
MD5

761225267676cad5d932788dc90349ed
SHA1

bacbd9e9fcc5b672048314e98d18840a01c1e178
SHA256

fbf6975ff839f412c785a11622010f5d2dcdec0696f5523e630d8e050d8fe1d6
SHA512

00fd53f83942dc14224ff8f6be030073cf862b2a2570a100aafa56cef415c9f7c1cec612b617618b3cd8441364c6cc5ec4fdabfb52888a6399d353626dbbff26
SSDEEP

24576:iKPV0sGZSILwa6Y9UfUMSR9iUFqNLcrLfQkF2uU5J9VF/08ixUoNQhGnD58fKj7W:Vv

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

bendiciones5.con-ip.com:7777

Attributes

communication_password
202cb962ac59075b964b07152d234b70
install_dir
AppData
install_file
Discord.exe
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 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1732-62-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1732-65-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1732-64-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1732-68-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1732-67-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1732-70-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1732-69-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1732-72-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PDF DOCUMENTO GENERADO.exeInstallUtil.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\chrome = "\"C:\\Users\\Admin\\AppData\\Roaming\\Xexoaqsidsf\\chrome.exe\""	PDF DOCUMENTO GENERADO.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\Discord = "C:\\Users\\Admin\\AppData\\Local\\AppData\\Discord.exe"	InstallUtil.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

InstallUtil.exe

pid process

1732 InstallUtil.exe
1732 InstallUtil.exe
1732 InstallUtil.exe
1732 InstallUtil.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

PDF DOCUMENTO GENERADO.exe

description pid process target process

PID 1608 set thread context of 1732 1608 PDF DOCUMENTO GENERADO.exe InstallUtil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exePDF DOCUMENTO GENERADO.exe

pid process

1956 powershell.exe
1608 PDF DOCUMENTO GENERADO.exe

pid	process
1732	InstallUtil.exe
1732	InstallUtil.exe
1732	InstallUtil.exe
1732	InstallUtil.exe

description	pid	process	target process
PID 1608 set thread context of 1732	1608	PDF DOCUMENTO GENERADO.exe	InstallUtil.exe

pid	process
1956	powershell.exe
1608	PDF DOCUMENTO GENERADO.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exePDF DOCUMENTO GENERADO.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1956	powershell.exe
Token: SeDebugPrivilege	1608	PDF DOCUMENTO GENERADO.exe
Token: SeDebugPrivilege	1732	InstallUtil.exe
Token: SeShutdownPrivilege	1732	InstallUtil.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

InstallUtil.exe

pid process

1732 InstallUtil.exe
1732 InstallUtil.exe

pid	process
1732	InstallUtil.exe
1732	InstallUtil.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

PDF DOCUMENTO GENERADO.exe

description	pid	process	target process
PID 1608 wrote to memory of 1956	1608	PDF DOCUMENTO GENERADO.exe	powershell.exe
PID 1608 wrote to memory of 1956	1608	PDF DOCUMENTO GENERADO.exe	powershell.exe
PID 1608 wrote to memory of 1956	1608	PDF DOCUMENTO GENERADO.exe	powershell.exe
PID 1608 wrote to memory of 1956	1608	PDF DOCUMENTO GENERADO.exe	powershell.exe
PID 1608 wrote to memory of 2020	1608	PDF DOCUMENTO GENERADO.exe	InstallUtil.exe
PID 1608 wrote to memory of 2020	1608	PDF DOCUMENTO GENERADO.exe	InstallUtil.exe
PID 1608 wrote to memory of 2020	1608	PDF DOCUMENTO GENERADO.exe	InstallUtil.exe
PID 1608 wrote to memory of 2020	1608	PDF DOCUMENTO GENERADO.exe	InstallUtil.exe
PID 1608 wrote to memory of 2020	1608	PDF DOCUMENTO GENERADO.exe	InstallUtil.exe
PID 1608 wrote to memory of 2020	1608	PDF DOCUMENTO GENERADO.exe	InstallUtil.exe
PID 1608 wrote to memory of 2020	1608	PDF DOCUMENTO GENERADO.exe	InstallUtil.exe
PID 1608 wrote to memory of 1732	1608	PDF DOCUMENTO GENERADO.exe	InstallUtil.exe
PID 1608 wrote to memory of 1732	1608	PDF DOCUMENTO GENERADO.exe	InstallUtil.exe
PID 1608 wrote to memory of 1732	1608	PDF DOCUMENTO GENERADO.exe	InstallUtil.exe
PID 1608 wrote to memory of 1732	1608	PDF DOCUMENTO GENERADO.exe	InstallUtil.exe
PID 1608 wrote to memory of 1732	1608	PDF DOCUMENTO GENERADO.exe	InstallUtil.exe
PID 1608 wrote to memory of 1732	1608	PDF DOCUMENTO GENERADO.exe	InstallUtil.exe
PID 1608 wrote to memory of 1732	1608	PDF DOCUMENTO GENERADO.exe	InstallUtil.exe
PID 1608 wrote to memory of 1732	1608	PDF DOCUMENTO GENERADO.exe	InstallUtil.exe
PID 1608 wrote to memory of 1732	1608	PDF DOCUMENTO GENERADO.exe	InstallUtil.exe
PID 1608 wrote to memory of 1732	1608	PDF DOCUMENTO GENERADO.exe	InstallUtil.exe
PID 1608 wrote to memory of 1732	1608	PDF DOCUMENTO GENERADO.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\PDF DOCUMENTO GENERADO.exe
"C:\Users\Admin\AppData\Local\Temp\PDF DOCUMENTO GENERADO.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1608

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1956

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
PID:2020

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1732

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1608-54-0x00000000013C0000-0x00000000017FE000-memory.dmp

Filesize
4.2MB

Download
memory/1608-55-0x00000000067B0000-0x00000000069BA000-memory.dmp

Filesize
2.0MB

Download
memory/1608-56-0x0000000000DF0000-0x0000000000E82000-memory.dmp

Filesize
584KB

Download
memory/1732-68-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1732-64-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1732-72-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1732-69-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1732-61-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1732-62-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1732-65-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1732-70-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1732-66-0x00000000007E2750-mapping.dmp

Download
memory/1732-67-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1956-57-0x0000000000000000-mapping.dmp

Download
memory/1956-58-0x0000000075A91000-0x0000000075A93000-memory.dmp

Filesize
8KB

Download
memory/1956-60-0x000000006F6D0000-0x000000006FC7B000-memory.dmp

Filesize
5.7MB

Download
memory/1956-59-0x000000006F6D0000-0x000000006FC7B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads