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 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/116-143-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/116-144-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/116-145-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/116-146-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/116-147-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/116-151-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

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:

PDF ESE HOSPITAL LOCAL.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	PDF ESE HOSPITAL LOCAL.exe

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-1-5-21-2629973501-4017243118-3254762364-1000\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

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

Processes:

PDF ESE HOSPITAL LOCAL.exe

description pid process target process

PID 2424 set thread context of 116 2424 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.exe

pid process

4072 powershell.exe
4072 powershell.exe

pid	process
116	InstallUtil.exe
116	InstallUtil.exe
116	InstallUtil.exe
116	InstallUtil.exe

description	pid	process	target process
PID 2424 set thread context of 116	2424	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe

pid	process
4072	powershell.exe
4072	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exePDF ESE HOSPITAL LOCAL.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	4072	powershell.exe
Token: SeDebugPrivilege	2424	PDF ESE HOSPITAL LOCAL.exe
Token: SeShutdownPrivilege	116	InstallUtil.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

InstallUtil.exe

pid process

116 InstallUtil.exe
116 InstallUtil.exe

pid	process
116	InstallUtil.exe
116	InstallUtil.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

PDF ESE HOSPITAL LOCAL.exe

description	pid	process	target process
PID 2424 wrote to memory of 4072	2424	PDF ESE HOSPITAL LOCAL.exe	powershell.exe
PID 2424 wrote to memory of 4072	2424	PDF ESE HOSPITAL LOCAL.exe	powershell.exe
PID 2424 wrote to memory of 4072	2424	PDF ESE HOSPITAL LOCAL.exe	powershell.exe
PID 2424 wrote to memory of 116	2424	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 2424 wrote to memory of 116	2424	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 2424 wrote to memory of 116	2424	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 2424 wrote to memory of 116	2424	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 2424 wrote to memory of 116	2424	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 2424 wrote to memory of 116	2424	PDF ESE HOSPITAL LOCAL.exe	InstallUtil.exe
PID 2424 wrote to memory of 116	2424	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⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2424

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:4072

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:116

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/116-153-0x00000000755B0000-0x00000000755E9000-memory.dmp

Filesize
228KB

Download
memory/116-143-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/116-147-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/116-146-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/116-160-0x00000000755B0000-0x00000000755E9000-memory.dmp

Filesize
228KB

Download
memory/116-159-0x00000000755B0000-0x00000000755E9000-memory.dmp

Filesize
228KB

Download
memory/116-158-0x00000000755B0000-0x00000000755E9000-memory.dmp

Filesize
228KB

Download
memory/116-157-0x00000000755B0000-0x00000000755E9000-memory.dmp

Filesize
228KB

Download
memory/116-152-0x00000000755B0000-0x00000000755E9000-memory.dmp

Filesize
228KB

Download
memory/116-156-0x00000000755B0000-0x00000000755E9000-memory.dmp

Filesize
228KB

Download
memory/116-142-0x0000000000000000-mapping.dmp

Download
memory/116-154-0x00000000755B0000-0x00000000755E9000-memory.dmp

Filesize
228KB

Download
memory/116-144-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/116-145-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/116-161-0x00000000755B0000-0x00000000755E9000-memory.dmp

Filesize
228KB

Download
memory/116-155-0x0000000075230000-0x0000000075269000-memory.dmp

Filesize
228KB

Download
memory/116-148-0x0000000075230000-0x0000000075269000-memory.dmp

Filesize
228KB

Download
memory/116-149-0x00000000755B0000-0x00000000755E9000-memory.dmp

Filesize
228KB

Download
memory/116-150-0x00000000755B0000-0x00000000755E9000-memory.dmp

Filesize
228KB

Download
memory/116-151-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2424-133-0x00000000057C0000-0x00000000057E2000-memory.dmp

Filesize
136KB

Download
memory/2424-132-0x00000000007B0000-0x00000000009C2000-memory.dmp

Filesize
2.1MB

Download
memory/4072-140-0x0000000007AE0000-0x000000000815A000-memory.dmp

Filesize
6.5MB

Download
memory/4072-134-0x0000000000000000-mapping.dmp

Download
memory/4072-141-0x0000000006990000-0x00000000069AA000-memory.dmp

Filesize
104KB

Download
memory/4072-139-0x0000000006490000-0x00000000064AE000-memory.dmp

Filesize
120KB

Download
memory/4072-138-0x0000000005D70000-0x0000000005DD6000-memory.dmp

Filesize
408KB

Download
memory/4072-137-0x0000000005C00000-0x0000000005C66000-memory.dmp

Filesize
408KB

Download
memory/4072-136-0x00000000055D0000-0x0000000005BF8000-memory.dmp

Filesize
6.2MB

Download
memory/4072-135-0x0000000002EB0000-0x0000000002EE6000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads