bitrat | 8dae589a1806bcf1cf37a85cf9821a25527c4a271d8aba3c9a8f621061766840

General

Target

3f4db4050dee9f3e8bd5e5582c819cf5.exe
Size

2.3MB
MD5

3f4db4050dee9f3e8bd5e5582c819cf5
SHA1

9791da30a7d8e2370d035d46dc45238daaf79301
SHA256

8dae589a1806bcf1cf37a85cf9821a25527c4a271d8aba3c9a8f621061766840
SHA512

f748cd3cd36f994977010305c71e6f4eeb611240c7edcb972e29bb7c82c7067715001e492d12975c9e14d38496acb1643e75bb7703f568ab5effe53bd62227dd

Score

10^/10

bitrat persistence trojan

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

37.0.11.155:4670

Attributes

communication_password
31af2433c836721a29f5d8e94b790444
tor_process
tor

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat

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:

3f4db4050dee9f3e8bd5e5582c819cf5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	3f4db4050dee9f3e8bd5e5582c819cf5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3f4db4050dee9f3e8bd5e5582c819cf5.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dzueh = "\"C:\\Users\\Admin\\AppData\\Roaming\\Prrmwscy\\Dzueh.exe\""	3f4db4050dee9f3e8bd5e5582c819cf5.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

InstallUtil.exe

pid process

4452 InstallUtil.exe
4452 InstallUtil.exe
4452 InstallUtil.exe
4452 InstallUtil.exe
4452 InstallUtil.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

3f4db4050dee9f3e8bd5e5582c819cf5.exe

description pid process target process

PID 2384 set thread context of 4452 2384 3f4db4050dee9f3e8bd5e5582c819cf5.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
Delays execution with timeout.exe 2 IoCs
evasion

Processes:

timeout.exetimeout.exe

pid process

1512 timeout.exe
1860 timeout.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

3f4db4050dee9f3e8bd5e5582c819cf5.exe

pid process

2384 3f4db4050dee9f3e8bd5e5582c819cf5.exe
2384 3f4db4050dee9f3e8bd5e5582c819cf5.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

3f4db4050dee9f3e8bd5e5582c819cf5.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 2384 3f4db4050dee9f3e8bd5e5582c819cf5.exe
Token: SeShutdownPrivilege 4452 InstallUtil.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

InstallUtil.exe

pid process

4452 InstallUtil.exe
4452 InstallUtil.exe

pid	process
4452	InstallUtil.exe
4452	InstallUtil.exe
4452	InstallUtil.exe
4452	InstallUtil.exe
4452	InstallUtil.exe

description	pid	process	target process
PID 2384 set thread context of 4452	2384	3f4db4050dee9f3e8bd5e5582c819cf5.exe	InstallUtil.exe

pid	process
1512	timeout.exe
1860	timeout.exe

pid	process
2384	3f4db4050dee9f3e8bd5e5582c819cf5.exe
2384	3f4db4050dee9f3e8bd5e5582c819cf5.exe

description	pid	process
Token: SeDebugPrivilege	2384	3f4db4050dee9f3e8bd5e5582c819cf5.exe
Token: SeShutdownPrivilege	4452	InstallUtil.exe

pid	process
4452	InstallUtil.exe
4452	InstallUtil.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

3f4db4050dee9f3e8bd5e5582c819cf5.execmd.execmd.exe

description	pid	process	target process
PID 2384 wrote to memory of 1172	2384	3f4db4050dee9f3e8bd5e5582c819cf5.exe	cmd.exe
PID 2384 wrote to memory of 1172	2384	3f4db4050dee9f3e8bd5e5582c819cf5.exe	cmd.exe
PID 2384 wrote to memory of 1172	2384	3f4db4050dee9f3e8bd5e5582c819cf5.exe	cmd.exe
PID 1172 wrote to memory of 1512	1172	cmd.exe	timeout.exe
PID 1172 wrote to memory of 1512	1172	cmd.exe	timeout.exe
PID 1172 wrote to memory of 1512	1172	cmd.exe	timeout.exe
PID 2384 wrote to memory of 4352	2384	3f4db4050dee9f3e8bd5e5582c819cf5.exe	cmd.exe
PID 2384 wrote to memory of 4352	2384	3f4db4050dee9f3e8bd5e5582c819cf5.exe	cmd.exe
PID 2384 wrote to memory of 4352	2384	3f4db4050dee9f3e8bd5e5582c819cf5.exe	cmd.exe
PID 4352 wrote to memory of 1860	4352	cmd.exe	timeout.exe
PID 4352 wrote to memory of 1860	4352	cmd.exe	timeout.exe
PID 4352 wrote to memory of 1860	4352	cmd.exe	timeout.exe
PID 2384 wrote to memory of 4452	2384	3f4db4050dee9f3e8bd5e5582c819cf5.exe	InstallUtil.exe
PID 2384 wrote to memory of 4452	2384	3f4db4050dee9f3e8bd5e5582c819cf5.exe	InstallUtil.exe
PID 2384 wrote to memory of 4452	2384	3f4db4050dee9f3e8bd5e5582c819cf5.exe	InstallUtil.exe
PID 2384 wrote to memory of 4452	2384	3f4db4050dee9f3e8bd5e5582c819cf5.exe	InstallUtil.exe
PID 2384 wrote to memory of 4452	2384	3f4db4050dee9f3e8bd5e5582c819cf5.exe	InstallUtil.exe
PID 2384 wrote to memory of 4452	2384	3f4db4050dee9f3e8bd5e5582c819cf5.exe	InstallUtil.exe
PID 2384 wrote to memory of 4452	2384	3f4db4050dee9f3e8bd5e5582c819cf5.exe	InstallUtil.exe
PID 2384 wrote to memory of 4452	2384	3f4db4050dee9f3e8bd5e5582c819cf5.exe	InstallUtil.exe
PID 2384 wrote to memory of 4452	2384	3f4db4050dee9f3e8bd5e5582c819cf5.exe	InstallUtil.exe
PID 2384 wrote to memory of 4452	2384	3f4db4050dee9f3e8bd5e5582c819cf5.exe	InstallUtil.exe
PID 2384 wrote to memory of 4452	2384	3f4db4050dee9f3e8bd5e5582c819cf5.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\3f4db4050dee9f3e8bd5e5582c819cf5.exe
"C:\Users\Admin\AppData\Local\Temp\3f4db4050dee9f3e8bd5e5582c819cf5.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2384

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C timeout /nobreak /t 19
2⤵
- Suspicious use of WriteProcessMemory
PID:1172

C:\Windows\SysWOW64\timeout.exe
timeout /nobreak /t 19
3⤵
- Delays execution with timeout.exe
PID:1512

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 39
2⤵
- Suspicious use of WriteProcessMemory
PID:4352

C:\Windows\SysWOW64\timeout.exe
timeout 39
3⤵
- Delays execution with timeout.exe
PID:1860

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:4452

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

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Downloads

memory/1172-131-0x0000000000000000-mapping.dmp

Download
memory/1512-132-0x0000000000000000-mapping.dmp

Download
memory/1860-136-0x0000000000000000-mapping.dmp

Download
memory/2384-130-0x0000000000E50000-0x00000000010A8000-memory.dmp

Filesize
2.3MB

Download
memory/2384-133-0x0000000006EF0000-0x0000000007494000-memory.dmp

Filesize
5.6MB

Download
memory/2384-134-0x00000000069E0000-0x0000000006A72000-memory.dmp

Filesize
584KB

Download
memory/4352-135-0x0000000000000000-mapping.dmp

Download
memory/4452-139-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4452-137-0x0000000000000000-mapping.dmp

Download
memory/4452-138-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4452-140-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4452-141-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4452-142-0x00000000748E0000-0x0000000074919000-memory.dmp

Filesize
228KB

Download
memory/4452-143-0x0000000074C60000-0x0000000074C99000-memory.dmp

Filesize
228KB

Download
memory/4452-144-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4452-145-0x00000000748E0000-0x0000000074919000-memory.dmp

Filesize
228KB

Download
memory/4452-146-0x0000000074C60000-0x0000000074C99000-memory.dmp

Filesize
228KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads