bitrat | 3074637eefee1662292e9240775d5b945fe66dc1a1183be8303cf51cce31e098

General

Target

HF72635_893548000808485064520858459698040.exe
Size

3.3MB
MD5

77d0e1ade1b9df74c1867a0c2c42804d
SHA1

2a8920cec1fab68c921d0c1b905aa777010b48e2
SHA256

3074637eefee1662292e9240775d5b945fe66dc1a1183be8303cf51cce31e098
SHA512

1de6b0afa33fd06e95d1f08965bc8c83600142336ed169d6f3175b545d53608c2d36cf5f6bd89dafff5fc12b0c45723771d0708fc2bcb43861f255b2f905c4b7
SSDEEP

49152:3lSbJYtdTJX9C6xfZ02WDZ87KlpNiEx3nCXobhrWeMDP7OeOs+EaPzYfA1jyIs0U:RX9/ZiDZ8i3CXobhr8T7EF77fwIs0U

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

bendicion777.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/2712-143-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2712-144-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2712-146-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2712-145-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2712-147-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2712-150-0x0000000000400000-0x00000000007E4000-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:

HF72635_893548000808485064520858459698040.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	HF72635_893548000808485064520858459698040.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

HF72635_893548000808485064520858459698040.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chrome = "\"C:\\Users\\Admin\\AppData\\Roaming\\Drryn\\chrome.exe\""	HF72635_893548000808485064520858459698040.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

InstallUtil.exe

pid process

2712 InstallUtil.exe
2712 InstallUtil.exe
2712 InstallUtil.exe
2712 InstallUtil.exe
2712 InstallUtil.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

HF72635_893548000808485064520858459698040.exe

description pid process target process

PID 3228 set thread context of 2712 3228 HF72635_893548000808485064520858459698040.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

4968 powershell.exe
4968 powershell.exe

pid	process
2712	InstallUtil.exe
2712	InstallUtil.exe
2712	InstallUtil.exe
2712	InstallUtil.exe
2712	InstallUtil.exe

description	pid	process	target process
PID 3228 set thread context of 2712	3228	HF72635_893548000808485064520858459698040.exe	InstallUtil.exe

pid	process
4968	powershell.exe
4968	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

HF72635_893548000808485064520858459698040.exepowershell.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	3228	HF72635_893548000808485064520858459698040.exe
Token: SeDebugPrivilege	4968	powershell.exe
Token: SeShutdownPrivilege	2712	InstallUtil.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

InstallUtil.exe

pid process

2712 InstallUtil.exe
2712 InstallUtil.exe

pid	process
2712	InstallUtil.exe
2712	InstallUtil.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

HF72635_893548000808485064520858459698040.exe

description	pid	process	target process
PID 3228 wrote to memory of 4968	3228	HF72635_893548000808485064520858459698040.exe	powershell.exe
PID 3228 wrote to memory of 4968	3228	HF72635_893548000808485064520858459698040.exe	powershell.exe
PID 3228 wrote to memory of 4968	3228	HF72635_893548000808485064520858459698040.exe	powershell.exe
PID 3228 wrote to memory of 2712	3228	HF72635_893548000808485064520858459698040.exe	InstallUtil.exe
PID 3228 wrote to memory of 2712	3228	HF72635_893548000808485064520858459698040.exe	InstallUtil.exe
PID 3228 wrote to memory of 2712	3228	HF72635_893548000808485064520858459698040.exe	InstallUtil.exe
PID 3228 wrote to memory of 2712	3228	HF72635_893548000808485064520858459698040.exe	InstallUtil.exe
PID 3228 wrote to memory of 2712	3228	HF72635_893548000808485064520858459698040.exe	InstallUtil.exe
PID 3228 wrote to memory of 2712	3228	HF72635_893548000808485064520858459698040.exe	InstallUtil.exe
PID 3228 wrote to memory of 2712	3228	HF72635_893548000808485064520858459698040.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\HF72635_893548000808485064520858459698040.exe
"C:\Users\Admin\AppData\Local\Temp\HF72635_893548000808485064520858459698040.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:3228

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:4968

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:2712

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2712-147-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2712-146-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2712-142-0x0000000000000000-mapping.dmp

Download
memory/2712-144-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2712-143-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2712-152-0x0000000074690000-0x00000000746C9000-memory.dmp

Filesize
228KB

Download
memory/2712-151-0x0000000074310000-0x0000000074349000-memory.dmp

Filesize
228KB

Download
memory/2712-150-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2712-149-0x0000000074690000-0x00000000746C9000-memory.dmp

Filesize
228KB

Download
memory/2712-148-0x0000000074310000-0x0000000074349000-memory.dmp

Filesize
228KB

Download
memory/2712-145-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3228-133-0x0000000005570000-0x0000000005592000-memory.dmp

Filesize
136KB

Download
memory/3228-132-0x0000000000570000-0x00000000008CE000-memory.dmp

Filesize
3.4MB

Download
memory/4968-138-0x0000000004E10000-0x0000000004E76000-memory.dmp

Filesize
408KB

Download
memory/4968-135-0x00000000023B0000-0x00000000023E6000-memory.dmp

Filesize
216KB

Download
memory/4968-136-0x0000000004F80000-0x00000000055A8000-memory.dmp

Filesize
6.2MB

Download
memory/4968-134-0x0000000000000000-mapping.dmp

Download
memory/4968-141-0x0000000006B90000-0x0000000006BAA000-memory.dmp

Filesize
104KB

Download
memory/4968-140-0x0000000007290000-0x000000000790A000-memory.dmp

Filesize
6.5MB

Download
memory/4968-139-0x0000000005CE0000-0x0000000005CFE000-memory.dmp

Filesize
120KB

Download
memory/4968-137-0x0000000004DA0000-0x0000000004E06000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads