bitrat | 4e3513b2d8f1b7e3ea6b81519675e8f0fffcda7d33ef15b7a6a0e23d8db10a26

General

Target

NUC 05001 33 33 001 2021 00049 00.exe
Size

4.5MB
MD5

70a5ee83354d6c164927075675bd9154
SHA1

bd7547e04ae2e83596678aea2e6b4c233661a720
SHA256

4e3513b2d8f1b7e3ea6b81519675e8f0fffcda7d33ef15b7a6a0e23d8db10a26
SHA512

733a1e8e44193ca695b993bafb6c5f66af7ec085bdf2fd77f2a6573f20b61ee0c39068db7694208cbf6018664602c59956337916a563f97accfe13c71a45adc4
SSDEEP

98304:oFTNKpbNPn8kmfoHcHUlWGUJPjIoO+LNRJ0dKGyLW8dSgHpC+n7:oFTuNNmQ8ClUxIF+LNoKGD8Q8N

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

diosesamora.con-ip.com:3005

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/812-68-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/812-70-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/812-71-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/812-73-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/812-74-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/812-75-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/812-77-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/812-78-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

NUC 05001 33 33 001 2021 00049 00.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\\Hbvvcp\\chrome.exe\""	NUC 05001 33 33 001 2021 00049 00.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

NUC 05001 33 33 001 2021 00049 00.exe

pid	process
812	NUC 05001 33 33 001 2021 00049 00.exe
812	NUC 05001 33 33 001 2021 00049 00.exe
812	NUC 05001 33 33 001 2021 00049 00.exe
812	NUC 05001 33 33 001 2021 00049 00.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

NUC 05001 33 33 001 2021 00049 00.exe

description pid process target process

PID 1976 set thread context of 812 1976 NUC 05001 33 33 001 2021 00049 00.exe NUC 05001 33 33 001 2021 00049 00.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 3 IoCs

Processes:

powershell.exeNUC 05001 33 33 001 2021 00049 00.exepowershell.exe

pid process

1496 powershell.exe
1976 NUC 05001 33 33 001 2021 00049 00.exe
1812 powershell.exe

description	pid	process	target process
PID 1976 set thread context of 812	1976	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe

pid	process
1496	powershell.exe
1976	NUC 05001 33 33 001 2021 00049 00.exe
1812	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

powershell.exeNUC 05001 33 33 001 2021 00049 00.exepowershell.exeNUC 05001 33 33 001 2021 00049 00.exe

description	pid	process
Token: SeDebugPrivilege	1496	powershell.exe
Token: SeDebugPrivilege	1976	NUC 05001 33 33 001 2021 00049 00.exe
Token: SeDebugPrivilege	1812	powershell.exe
Token: SeDebugPrivilege	812	NUC 05001 33 33 001 2021 00049 00.exe
Token: SeShutdownPrivilege	812	NUC 05001 33 33 001 2021 00049 00.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

NUC 05001 33 33 001 2021 00049 00.exe

pid process

812 NUC 05001 33 33 001 2021 00049 00.exe
812 NUC 05001 33 33 001 2021 00049 00.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

NUC 05001 33 33 001 2021 00049 00.exe

description	pid	process	target process
PID 1976 wrote to memory of 1496	1976	NUC 05001 33 33 001 2021 00049 00.exe	powershell.exe
PID 1976 wrote to memory of 1496	1976	NUC 05001 33 33 001 2021 00049 00.exe	powershell.exe
PID 1976 wrote to memory of 1496	1976	NUC 05001 33 33 001 2021 00049 00.exe	powershell.exe
PID 1976 wrote to memory of 1496	1976	NUC 05001 33 33 001 2021 00049 00.exe	powershell.exe
PID 1976 wrote to memory of 1812	1976	NUC 05001 33 33 001 2021 00049 00.exe	powershell.exe
PID 1976 wrote to memory of 1812	1976	NUC 05001 33 33 001 2021 00049 00.exe	powershell.exe
PID 1976 wrote to memory of 1812	1976	NUC 05001 33 33 001 2021 00049 00.exe	powershell.exe
PID 1976 wrote to memory of 1812	1976	NUC 05001 33 33 001 2021 00049 00.exe	powershell.exe
PID 1976 wrote to memory of 812	1976	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe
PID 1976 wrote to memory of 812	1976	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe
PID 1976 wrote to memory of 812	1976	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe
PID 1976 wrote to memory of 812	1976	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe
PID 1976 wrote to memory of 812	1976	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe
PID 1976 wrote to memory of 812	1976	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe
PID 1976 wrote to memory of 812	1976	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe
PID 1976 wrote to memory of 812	1976	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe
PID 1976 wrote to memory of 812	1976	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe
PID 1976 wrote to memory of 812	1976	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe
PID 1976 wrote to memory of 812	1976	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe

C:\Users\Admin\AppData\Local\Temp\NUC 05001 33 33 001 2021 00049 00.exe
"C:\Users\Admin\AppData\Local\Temp\NUC 05001 33 33 001 2021 00049 00.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1976

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -Seconds 30
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1496

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1812

C:\Users\Admin\AppData\Local\Temp\NUC 05001 33 33 001 2021 00049 00.exe
"C:\Users\Admin\AppData\Local\Temp\NUC 05001 33 33 001 2021 00049 00.exe"
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:812

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

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
d21237358fc719c473ab34846931a231

SHA1
4b06a7a38932b863f74dc0cd530d5654938ea786

SHA256
b29bec88164879c3de4c11edc626a8a1eca0195983982e2da884d54842064130

SHA512
2ff2fd4df6dc6e83639e626905e0be32c1aec0378af5ec421afca733ac756903761e21a118afd47068b3248466bc0524506f14d5b44a2f27232cd40cedaa62f9

Download Submit
memory/812-73-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/812-77-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/812-75-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/812-78-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/812-74-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/812-72-0x00000000007E2740-mapping.dmp

Download
memory/812-71-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/812-67-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/812-68-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/812-70-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1496-56-0x0000000000000000-mapping.dmp

Download
memory/1496-58-0x0000000071180000-0x000000007172B000-memory.dmp

Filesize
5.7MB

Download
memory/1496-59-0x0000000071180000-0x000000007172B000-memory.dmp

Filesize
5.7MB

Download
memory/1812-66-0x000000006F2D0000-0x000000006F87B000-memory.dmp

Filesize
5.7MB

Download
memory/1812-65-0x000000006F2D0000-0x000000006F87B000-memory.dmp

Filesize
5.7MB

Download
memory/1812-64-0x000000006F2D0000-0x000000006F87B000-memory.dmp

Filesize
5.7MB

Download
memory/1812-61-0x0000000000000000-mapping.dmp

Download
memory/1976-54-0x0000000001220000-0x00000000016A2000-memory.dmp

Filesize
4.5MB

Download
memory/1976-60-0x0000000005D80000-0x00000000060F4000-memory.dmp

Filesize
3.5MB

Download
memory/1976-55-0x00000000754E1000-0x00000000754E3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads