bitrat | ad0838439c7f741b80af14870d6335e02e2d76ac29d8d1fe7506f66562c26339 | Triage

Analysis

max time kernel
154s
max time network
161s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19-01-2024 15:06

Sharing

Report Analysis Logs

General

Target

67ec6b9c6ecea354319ea57391b818f9.exe
Size

2.1MB
MD5

67ec6b9c6ecea354319ea57391b818f9
SHA1

aa1d5b3217058c8d0f8cad302d95de32a74d236d
SHA256

ad0838439c7f741b80af14870d6335e02e2d76ac29d8d1fe7506f66562c26339
SHA512

40dab32e2b9cb8407e18a3059a43d467871b4bf4d44b6a50b144457c3292e4104a77f4ae529fee3eab03d4b556d14b8606411b89cb55367fd085e7280b18fea8
SSDEEP

49152:QkucDoHMfC3NPpkHJ4NKW9Yp18d3F3KDp8/nrZIyE:QBcDos6plquV32CTZ

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

jairoandresotalvarorend.linkpc.net:9085

Attributes

communication_password
bfdba24ee3d61f0260c4dc1034c3ee43
install_dir
Googlechromeinite
install_file
Googlechromeinit.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

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

Processes:

resource	yara_rule
behavioral1/memory/2220-3-0x0000000000400000-0x0000000000412000-memory.dmp	CustAttr

UPX packed file 19 IoCs

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

Processes:

resource	yara_rule
behavioral1/memory/2016-10-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2016-11-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2016-15-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2016-16-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2016-18-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2016-19-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2016-20-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2016-21-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2016-24-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2016-25-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2016-22-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2016-26-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2016-28-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2016-29-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2016-30-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2016-31-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2016-32-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2016-33-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2016-34-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

67ec6b9c6ecea354319ea57391b818f9.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Run\Googlechromeinit = "C:\\Users\\Admin\\AppData\\Local\\Googlechromeinite\\Googlechromeinit.exe"	67ec6b9c6ecea354319ea57391b818f9.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

67ec6b9c6ecea354319ea57391b818f9.exe

pid	process
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

67ec6b9c6ecea354319ea57391b818f9.exe

description pid process target process

PID 2220 set thread context of 2016 2220 67ec6b9c6ecea354319ea57391b818f9.exe 67ec6b9c6ecea354319ea57391b818f9.exe

Suspicious behavior: RenamesItself 21 IoCs

Processes:

67ec6b9c6ecea354319ea57391b818f9.exe

pid	process
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe
2016	67ec6b9c6ecea354319ea57391b818f9.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

67ec6b9c6ecea354319ea57391b818f9.exe

description	pid	process
Token: SeDebugPrivilege	2016	67ec6b9c6ecea354319ea57391b818f9.exe
Token: SeShutdownPrivilege	2016	67ec6b9c6ecea354319ea57391b818f9.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

67ec6b9c6ecea354319ea57391b818f9.exe

pid process

2016 67ec6b9c6ecea354319ea57391b818f9.exe
2016 67ec6b9c6ecea354319ea57391b818f9.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

67ec6b9c6ecea354319ea57391b818f9.exe

description	pid	process	target process
PID 2220 wrote to memory of 2016	2220	67ec6b9c6ecea354319ea57391b818f9.exe	67ec6b9c6ecea354319ea57391b818f9.exe
PID 2220 wrote to memory of 2016	2220	67ec6b9c6ecea354319ea57391b818f9.exe	67ec6b9c6ecea354319ea57391b818f9.exe
PID 2220 wrote to memory of 2016	2220	67ec6b9c6ecea354319ea57391b818f9.exe	67ec6b9c6ecea354319ea57391b818f9.exe
PID 2220 wrote to memory of 2016	2220	67ec6b9c6ecea354319ea57391b818f9.exe	67ec6b9c6ecea354319ea57391b818f9.exe
PID 2220 wrote to memory of 2016	2220	67ec6b9c6ecea354319ea57391b818f9.exe	67ec6b9c6ecea354319ea57391b818f9.exe
PID 2220 wrote to memory of 2016	2220	67ec6b9c6ecea354319ea57391b818f9.exe	67ec6b9c6ecea354319ea57391b818f9.exe
PID 2220 wrote to memory of 2016	2220	67ec6b9c6ecea354319ea57391b818f9.exe	67ec6b9c6ecea354319ea57391b818f9.exe
PID 2220 wrote to memory of 2016	2220	67ec6b9c6ecea354319ea57391b818f9.exe	67ec6b9c6ecea354319ea57391b818f9.exe

C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe
"C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2220

C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe
"C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2016

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2016-22-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2016-26-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2016-18-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2016-16-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2016-33-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2016-32-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2016-31-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2016-30-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2016-8-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2016-10-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2016-11-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2016-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2016-15-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2016-29-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2016-34-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2016-28-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2016-19-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2016-20-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2016-21-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2016-24-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2016-25-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2220-0-0x0000000000D00000-0x0000000000F1C000-memory.dmp

Filesize
2.1MB

Download
memory/2220-1-0x0000000073FD0000-0x00000000746BE000-memory.dmp

Filesize
6.9MB

Download
memory/2220-2-0x0000000004EC0000-0x0000000004F00000-memory.dmp

Filesize
256KB

Download
memory/2220-17-0x0000000073FD0000-0x00000000746BE000-memory.dmp

Filesize
6.9MB

Download
memory/2220-7-0x0000000009D50000-0x0000000009ECC000-memory.dmp

Filesize
1.5MB

Download
memory/2220-6-0x0000000009A90000-0x0000000009C54000-memory.dmp

Filesize
1.8MB

Download
memory/2220-5-0x0000000004EC0000-0x0000000004F00000-memory.dmp

Filesize
256KB

Download
memory/2220-4-0x0000000073FD0000-0x00000000746BE000-memory.dmp

Filesize
6.9MB

Download
memory/2220-3-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download