bitrat | cc7bf8c734a4146942f8f754ab55e257a8be68f5c687c3bcc9fcdb7a5dabf871

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
01-09-2023 05:56

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General

Target

Updaters.exe
Size

2.8MB
MD5

7a1a59c9db320a777d4512983ddce650
SHA1

e5b17572b94dfc87b686da2aa6ad0d6b8823fe97
SHA256

cc7bf8c734a4146942f8f754ab55e257a8be68f5c687c3bcc9fcdb7a5dabf871
SHA512

5631d7cebb6351d0490ac85005f6a1282b20a47e51626ba2a00f515d7e657ffe18c7f1451f6ba478a64ff7c20e8a86dc80ba0c7cdf716286e650bb021d845856
SSDEEP

49152:HA4q5sXHCFtLsBbpHsTGea3n1MA7+UAOUkcqUIKXOIGYMa5:HyggRsBl/ea31/+Ufqq1GN6

Score

10^/10

bitrat persistence trojan

Malware Config

Extracted

Family

bitrat

Version

1.38

rornfl12.duckdns.org:3072

Attributes

communication_password
81dc9bdb52d04dc20036dbd8313ed055
install_dir
chrome
install_file
updater
tor_process
tor

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

InstallUtil.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Windows\CurrentVersion\Run\updater = "C:\\Users\\Admin\\AppData\\Local\\chrome\\updater"	InstallUtil.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

InstallUtil.exe

pid process

2280 InstallUtil.exe
2280 InstallUtil.exe
2280 InstallUtil.exe
2280 InstallUtil.exe
2280 InstallUtil.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Updaters.exe

description pid process target process

PID 1632 set thread context of 2280 1632 Updaters.exe InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Updaters.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 1632 Updaters.exe
Token: SeDebugPrivilege 2280 InstallUtil.exe
Token: SeShutdownPrivilege 2280 InstallUtil.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

InstallUtil.exe

pid process

2280 InstallUtil.exe
2280 InstallUtil.exe

pid	process
2280	InstallUtil.exe
2280	InstallUtil.exe
2280	InstallUtil.exe
2280	InstallUtil.exe
2280	InstallUtil.exe

description	pid	process	target process
PID 1632 set thread context of 2280	1632	Updaters.exe	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1632	Updaters.exe
Token: SeDebugPrivilege	2280	InstallUtil.exe
Token: SeShutdownPrivilege	2280	InstallUtil.exe

pid	process
2280	InstallUtil.exe
2280	InstallUtil.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Updaters.exe

description	pid	process	target process
PID 1632 wrote to memory of 2280	1632	Updaters.exe	InstallUtil.exe
PID 1632 wrote to memory of 2280	1632	Updaters.exe	InstallUtil.exe
PID 1632 wrote to memory of 2280	1632	Updaters.exe	InstallUtil.exe
PID 1632 wrote to memory of 2280	1632	Updaters.exe	InstallUtil.exe
PID 1632 wrote to memory of 2280	1632	Updaters.exe	InstallUtil.exe
PID 1632 wrote to memory of 2280	1632	Updaters.exe	InstallUtil.exe
PID 1632 wrote to memory of 2280	1632	Updaters.exe	InstallUtil.exe
PID 1632 wrote to memory of 2280	1632	Updaters.exe	InstallUtil.exe
PID 1632 wrote to memory of 2280	1632	Updaters.exe	InstallUtil.exe
PID 1632 wrote to memory of 2280	1632	Updaters.exe	InstallUtil.exe
PID 1632 wrote to memory of 2280	1632	Updaters.exe	InstallUtil.exe
PID 1632 wrote to memory of 2280	1632	Updaters.exe	InstallUtil.exe
PID 1632 wrote to memory of 2280	1632	Updaters.exe	InstallUtil.exe
PID 1632 wrote to memory of 2280	1632	Updaters.exe	InstallUtil.exe
PID 1632 wrote to memory of 2280	1632	Updaters.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Updaters.exe
"C:\Users\Admin\AppData\Local\Temp\Updaters.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1632

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2280

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1632-53-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-9-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-2-0x0000000005100000-0x0000000005140000-memory.dmp

Filesize
256KB

Download
memory/1632-3-0x0000000005E50000-0x00000000060CC000-memory.dmp

Filesize
2.5MB

Download
memory/1632-4-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-5-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-51-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-7-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-11-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-13-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-15-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-49-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-17-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-23-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-21-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-27-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-25-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-67-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-65-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-63-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-1-0x0000000074350000-0x0000000074A3E000-memory.dmp

Filesize
6.9MB

Download
memory/1632-59-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-57-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-55-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-61-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-0-0x0000000001330000-0x000000000160C000-memory.dmp

Filesize
2.9MB

Download
memory/1632-19-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-47-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-45-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-43-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-41-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-39-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-37-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-35-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-33-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-31-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-29-0x0000000005E50000-0x00000000060C6000-memory.dmp

Filesize
2.5MB

Download
memory/1632-620-0x0000000074350000-0x0000000074A3E000-memory.dmp

Filesize
6.9MB

Download
memory/1632-698-0x0000000005100000-0x0000000005140000-memory.dmp

Filesize
256KB

Download
memory/1632-1082-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/1632-1083-0x00000000081D0000-0x00000000083C6000-memory.dmp

Filesize
2.0MB

Download
memory/1632-1084-0x0000000000C30000-0x0000000000C7C000-memory.dmp

Filesize
304KB

Download
memory/1632-1100-0x0000000074350000-0x0000000074A3E000-memory.dmp

Filesize
6.9MB

Download
memory/2280-1099-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2280-1110-0x00000000001B0000-0x00000000001BA000-memory.dmp

Filesize
40KB

Download
memory/2280-1111-0x00000000001B0000-0x00000000001BA000-memory.dmp

Filesize
40KB

Download
memory/2280-1115-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2280-1119-0x00000000001B0000-0x00000000001BA000-memory.dmp

Filesize
40KB

Download
memory/2280-1120-0x00000000001B0000-0x00000000001BA000-memory.dmp

Filesize
40KB

Download