bitrat | 23abe80bf01902aca2c57c6494ef60780187a870d01d964790306a10b3fa23ad

Analysis

max time kernel
143s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
05-08-2023 23:48

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General

Target

jbit.exe
Size

81.1MB
MD5

8eda3b52a16bb07d5a03441c10296502
SHA1

35ac1bafbedf456bf4cca1606673501a5200e623
SHA256

23abe80bf01902aca2c57c6494ef60780187a870d01d964790306a10b3fa23ad
SHA512

9f9e09c7b1645785d560f6cdd408714a544ef058197731626cf66d8708b43ef35b7116c7b5a15986fb7b11ff3513387db97e06dae42650ab0310ece0c943cac8
SSDEEP

1572864:bUSBvWtkRbCHf7RKxFOBS/DllaKg1h6xyPbm2oXMyOwGR2sedKdiizqZ4ujuw5b9:bRBvw4wDqFWS/DDumMP63XVXY2sedKdM

Score

10^/10

bitrat trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

backu4734.duckdns.org:7904

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
Drops startup file 1 IoCs

Processes:

jbit.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Skktdrerof.vbs jbit.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Skktdrerof.vbs	jbit.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3044-1226-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/3044-1240-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

RegAsm.exe

pid process

3044 RegAsm.exe
3044 RegAsm.exe
3044 RegAsm.exe
3044 RegAsm.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

jbit.exe

description pid process target process

PID 3968 set thread context of 3044 3968 jbit.exe RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

jbit.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 3968 jbit.exe
Token: SeShutdownPrivilege 3044 RegAsm.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

RegAsm.exe

pid process

3044 RegAsm.exe
3044 RegAsm.exe

pid	process
3044	RegAsm.exe
3044	RegAsm.exe
3044	RegAsm.exe
3044	RegAsm.exe

description	pid	process	target process
PID 3968 set thread context of 3044	3968	jbit.exe	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	3968	jbit.exe
Token: SeShutdownPrivilege	3044	RegAsm.exe

pid	process
3044	RegAsm.exe
3044	RegAsm.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

jbit.exe

description	pid	process	target process
PID 3968 wrote to memory of 3044	3968	jbit.exe	RegAsm.exe
PID 3968 wrote to memory of 3044	3968	jbit.exe	RegAsm.exe
PID 3968 wrote to memory of 3044	3968	jbit.exe	RegAsm.exe
PID 3968 wrote to memory of 3044	3968	jbit.exe	RegAsm.exe
PID 3968 wrote to memory of 3044	3968	jbit.exe	RegAsm.exe
PID 3968 wrote to memory of 3044	3968	jbit.exe	RegAsm.exe
PID 3968 wrote to memory of 3044	3968	jbit.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\jbit.exe
"C:\Users\Admin\AppData\Local\Temp\jbit.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3968

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3044

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3044-1226-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3044-1228-0x00000000745C0000-0x00000000745F9000-memory.dmp

Filesize
228KB

Download
memory/3044-1236-0x0000000074960000-0x0000000074999000-memory.dmp

Filesize
228KB

Download
memory/3044-1239-0x0000000074960000-0x0000000074999000-memory.dmp

Filesize
228KB

Download
memory/3044-1240-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3044-1249-0x0000000074960000-0x0000000074999000-memory.dmp

Filesize
228KB

Download
memory/3044-1246-0x0000000074960000-0x0000000074999000-memory.dmp

Filesize
228KB

Download
memory/3044-1243-0x0000000074960000-0x0000000074999000-memory.dmp

Filesize
228KB

Download
memory/3968-163-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-171-0x0000000009F80000-0x0000000009F90000-memory.dmp

Filesize
64KB

Download
memory/3968-138-0x0000000009FF0000-0x0000000009FFA000-memory.dmp

Filesize
40KB

Download
memory/3968-139-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/3968-140-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-141-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-143-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-145-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-147-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-149-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-151-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-153-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-155-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-157-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-159-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-161-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-136-0x000000000A040000-0x000000000A0D2000-memory.dmp

Filesize
584KB

Download
memory/3968-165-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-167-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-169-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-172-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-137-0x0000000009F80000-0x0000000009F90000-memory.dmp

Filesize
64KB

Download
memory/3968-174-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-176-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-178-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-180-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-182-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-184-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-186-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-188-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-190-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-192-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-194-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-196-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-198-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-135-0x000000000A5F0000-0x000000000AB94000-memory.dmp

Filesize
5.6MB

Download
memory/3968-134-0x00000000004E0000-0x00000000055F8000-memory.dmp

Filesize
81.1MB

Download
memory/3968-133-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/3968-200-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-202-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-204-0x000000000CAF0000-0x000000000CD08000-memory.dmp

Filesize
2.1MB

Download
memory/3968-1217-0x000000000BE30000-0x000000000BE31000-memory.dmp

Filesize
4KB

Download
memory/3968-1224-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download