bitrat | 61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9 | Triage

Analysis

max time kernel
150s
max time network
157s
platform
windows10_x64
resource
win10-en-20211208
submitted
21-01-2022 23:46

Sharing

Report Analysis Logs

General

Target

61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe
Size

2.0MB
MD5

abbc8e5dbaaa1aa0b0a6e453df2a6f39
SHA1

9a161e10162a9f88df00c8c007bff33beb1eeac3
SHA256

61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9
SHA512

c9c542515e8b2d57b1b3ec95f5928ec7723022f1347ef28dae90dbd92ee87469d77c88310e5949a0541a273e0599f5b58315353bbaaae37c4cdfc5fa5a4400bf

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.35

C2

publiquilla.linkpc.net:9097

Attributes

communication_password
bfdba24ee3d61f0260c4dc1034c3ee43
install_dir
System320772736e3b1d119b3
install_file
System320772736e3b1d119b.exe
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 3 IoCs

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

Processes:

resource	yara_rule
behavioral2/memory/1284-116-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/1284-117-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/1284-118-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\System320772736e3b1d119b = "C:\\Users\\Admin\\AppData\\Local\\System320772736e3b1d119b3\\System320772736e3b1d119b.exe"	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe

pid	process
1284	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe
1284	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe
1284	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe
1284	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe

description	pid	process	target process
PID 2444 set thread context of 1284	2444	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe

Suspicious behavior: RenamesItself 7 IoCs

Processes:

61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe

pid	process
1284	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe
1284	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe
1284	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe
1284	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe
1284	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe
1284	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe
1284	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe

description pid process

Token: SeShutdownPrivilege 1284 61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe

pid	process
1284	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe
1284	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe

description	pid	process	target process
PID 2444 wrote to memory of 1284	2444	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe
PID 2444 wrote to memory of 1284	2444	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe
PID 2444 wrote to memory of 1284	2444	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe
PID 2444 wrote to memory of 1284	2444	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe
PID 2444 wrote to memory of 1284	2444	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe
PID 2444 wrote to memory of 1284	2444	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe
PID 2444 wrote to memory of 1284	2444	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe	61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe

C:\Users\Admin\AppData\Local\Temp\61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe
"C:\Users\Admin\AppData\Local\Temp\61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2444

C:\Users\Admin\AppData\Local\Temp\61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe
"C:\Users\Admin\AppData\Local\Temp\61f87571a54e0e471a1afaaaf35a855ab4adda5d34e4a92e0bcdb84a7c7944d9.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1284

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1284-116-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1284-117-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1284-118-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2444-115-0x00000000026A0000-0x00000000026A1000-memory.dmp

Filesize
4KB

Download