bitrat | baf8b869ca58cec88f07704770c521afcf050818df3280d7e2c79b1c8b75346c

General

Target

PDF ESE HOSPITAL LOCAL.exe
Size

2.1MB
MD5

b34182fc9f3f719d078e7b5183a31af0
SHA1

2985c7f2c853c9680a1243e75283b6c1876ab0e7
SHA256

baf8b869ca58cec88f07704770c521afcf050818df3280d7e2c79b1c8b75346c
SHA512

2366e583b5fc90a778e59c3eeb22b277db71883ea74f2f67f777520bf9e573a1230fdfdbf978ffdb154eec23ce230f2f7bec3c8ad675371c3620624e74bb0d96
SSDEEP

49152:8zlW4tpsVk5KwjVPh7zPEG3696usuUVruxYnOd5hPPukNvJ:8zMspsu5KwjvzPEI69OV6YnA77J

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

bless.con-ip.com:7777

Attributes

communication_password
202cb962ac59075b964b07152d234b70
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/664-63-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/664-66-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/664-65-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/664-68-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/664-69-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/664-70-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/664-71-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/664-73-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PDF ESE HOSPITAL LOCAL.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\chrome = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ervlt\\chrome.exe\""	PDF ESE HOSPITAL LOCAL.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

InstallUtil.exe

pid process

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

Processes:

PDF ESE HOSPITAL LOCAL.exe

description pid process target process

PID 1632 set thread context of 664 1632 PDF ESE HOSPITAL LOCAL.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 ESE HOSPITAL LOCAL.exe

pid process

2028 powershell.exe
1632 PDF ESE HOSPITAL LOCAL.exe

pid	process
664	InstallUtil.exe
664	InstallUtil.exe
664	InstallUtil.exe
664	InstallUtil.exe

description	pid	process	target process
PID 1632 set thread context of 664	1632	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe

pid	process
2028	powershell.exe
1632	PDF ESE HOSPITAL LOCAL.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exePDF ESE HOSPITAL LOCAL.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	2028	powershell.exe
Token: SeDebugPrivilege	1632	PDF ESE HOSPITAL LOCAL.exe
Token: SeDebugPrivilege	664	InstallUtil.exe
Token: SeShutdownPrivilege	664	InstallUtil.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

InstallUtil.exe

pid process

664 InstallUtil.exe
664 InstallUtil.exe

pid	process
664	InstallUtil.exe
664	InstallUtil.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

PDF ESE HOSPITAL LOCAL.exe

description	pid	process	target process
PID 1632 wrote to memory of 2028	1632	PDF ESE HOSPITAL LOCAL.exe	powershell.exe
PID 1632 wrote to memory of 2028	1632	PDF ESE HOSPITAL LOCAL.exe	powershell.exe
PID 1632 wrote to memory of 2028	1632	PDF ESE HOSPITAL LOCAL.exe	powershell.exe
PID 1632 wrote to memory of 2028	1632	PDF ESE HOSPITAL LOCAL.exe	powershell.exe
PID 1632 wrote to memory of 1528	1632	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 1632 wrote to memory of 1528	1632	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 1632 wrote to memory of 1528	1632	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 1632 wrote to memory of 1528	1632	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 1632 wrote to memory of 1528	1632	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 1632 wrote to memory of 1528	1632	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 1632 wrote to memory of 1528	1632	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 1632 wrote to memory of 664	1632	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 1632 wrote to memory of 664	1632	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 1632 wrote to memory of 664	1632	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 1632 wrote to memory of 664	1632	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 1632 wrote to memory of 664	1632	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 1632 wrote to memory of 664	1632	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 1632 wrote to memory of 664	1632	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 1632 wrote to memory of 664	1632	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 1632 wrote to memory of 664	1632	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 1632 wrote to memory of 664	1632	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 1632 wrote to memory of 664	1632	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\PDF ESE HOSPITAL LOCAL.exe
"C:\Users\Admin\AppData\Local\Temp\PDF ESE HOSPITAL LOCAL.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1632

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:2028

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
PID:1528

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:664

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/664-68-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/664-65-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/664-63-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/664-69-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/664-66-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/664-67-0x00000000007E2730-mapping.dmp

Download
memory/664-73-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/664-70-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/664-62-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/664-71-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1632-56-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

Filesize
8KB

Download
memory/1632-55-0x0000000004BB0000-0x0000000004DBC000-memory.dmp

Filesize
2.0MB

Download
memory/1632-54-0x0000000000890000-0x0000000000AA2000-memory.dmp

Filesize
2.1MB

Download
memory/1632-57-0x0000000002260000-0x00000000022F2000-memory.dmp

Filesize
584KB

Download
memory/2028-60-0x0000000070000000-0x00000000705AB000-memory.dmp

Filesize
5.7MB

Download
memory/2028-58-0x0000000000000000-mapping.dmp

Download
memory/2028-61-0x0000000070000000-0x00000000705AB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads