bitrat | 1440b2cef20cfbb1fa92a14e41967dd1e9feb8ae21e9523a72a79ac95efd9017 | Triage

Analysis

max time kernel
147s
max time network
147s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
21-01-2024 19:50

Sharing

Report Analysis Logs

General

Target

6de0f794e0798e016ae648c0d14e8b8d.exe
Size

2.3MB
MD5

6de0f794e0798e016ae648c0d14e8b8d
SHA1

5d7b08a3a4bcf39e7b8f4df472bb76843261dd54
SHA256

1440b2cef20cfbb1fa92a14e41967dd1e9feb8ae21e9523a72a79ac95efd9017
SHA512

c9757ce91ebfd09afdae5928836686bcd0cff556a63fd5cdb3b7e0cab6df7b429aa9cbd678a2152aecf0902e202f429e8d0ddbc01d0b2a835291e50204a5890c
SSDEEP

49152:7PFWW0ErxmK/UGHpULRF9lvglr1IswCgfx9ktrqbGq9sMZidOD42I6M:bFWWPmKstb9lvDsHvq5sM8MI6

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

jairoandresotalvarorend.linkpc.net:9083

Attributes

communication_password
bfdba24ee3d61f0260c4dc1034c3ee43
install_dir
winlogomwindefenders
install_file
winlogomwindefender.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 19 IoCs

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

Processes:

resource	yara_rule
behavioral1/memory/2624-9-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2624-14-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2624-10-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2624-17-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2624-18-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2624-15-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2624-19-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2624-20-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2624-23-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2624-21-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2624-27-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2624-26-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2624-25-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2624-28-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2624-29-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2624-30-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2624-31-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2624-32-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2624-33-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

6de0f794e0798e016ae648c0d14e8b8d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlogomwindefender = "C:\\Users\\Admin\\AppData\\Local\\winlogomwindefenders\\winlogomwindefender.exe"	6de0f794e0798e016ae648c0d14e8b8d.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

6de0f794e0798e016ae648c0d14e8b8d.exe

pid	process
2624	6de0f794e0798e016ae648c0d14e8b8d.exe
2624	6de0f794e0798e016ae648c0d14e8b8d.exe
2624	6de0f794e0798e016ae648c0d14e8b8d.exe
2624	6de0f794e0798e016ae648c0d14e8b8d.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

6de0f794e0798e016ae648c0d14e8b8d.exe

description pid process target process

PID 2364 set thread context of 2624 2364 6de0f794e0798e016ae648c0d14e8b8d.exe 6de0f794e0798e016ae648c0d14e8b8d.exe

Suspicious behavior: RenamesItself 20 IoCs

Processes:

6de0f794e0798e016ae648c0d14e8b8d.exe

pid	process
2624	6de0f794e0798e016ae648c0d14e8b8d.exe
2624	6de0f794e0798e016ae648c0d14e8b8d.exe
2624	6de0f794e0798e016ae648c0d14e8b8d.exe
2624	6de0f794e0798e016ae648c0d14e8b8d.exe
2624	6de0f794e0798e016ae648c0d14e8b8d.exe
2624	6de0f794e0798e016ae648c0d14e8b8d.exe
2624	6de0f794e0798e016ae648c0d14e8b8d.exe
2624	6de0f794e0798e016ae648c0d14e8b8d.exe
2624	6de0f794e0798e016ae648c0d14e8b8d.exe
2624	6de0f794e0798e016ae648c0d14e8b8d.exe
2624	6de0f794e0798e016ae648c0d14e8b8d.exe
2624	6de0f794e0798e016ae648c0d14e8b8d.exe
2624	6de0f794e0798e016ae648c0d14e8b8d.exe
2624	6de0f794e0798e016ae648c0d14e8b8d.exe
2624	6de0f794e0798e016ae648c0d14e8b8d.exe
2624	6de0f794e0798e016ae648c0d14e8b8d.exe
2624	6de0f794e0798e016ae648c0d14e8b8d.exe
2624	6de0f794e0798e016ae648c0d14e8b8d.exe
2624	6de0f794e0798e016ae648c0d14e8b8d.exe
2624	6de0f794e0798e016ae648c0d14e8b8d.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

6de0f794e0798e016ae648c0d14e8b8d.exe

description	pid	process
Token: SeDebugPrivilege	2624	6de0f794e0798e016ae648c0d14e8b8d.exe
Token: SeShutdownPrivilege	2624	6de0f794e0798e016ae648c0d14e8b8d.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

6de0f794e0798e016ae648c0d14e8b8d.exe

pid process

2624 6de0f794e0798e016ae648c0d14e8b8d.exe
2624 6de0f794e0798e016ae648c0d14e8b8d.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

6de0f794e0798e016ae648c0d14e8b8d.exe

description	pid	process	target process
PID 2364 wrote to memory of 2624	2364	6de0f794e0798e016ae648c0d14e8b8d.exe	6de0f794e0798e016ae648c0d14e8b8d.exe
PID 2364 wrote to memory of 2624	2364	6de0f794e0798e016ae648c0d14e8b8d.exe	6de0f794e0798e016ae648c0d14e8b8d.exe
PID 2364 wrote to memory of 2624	2364	6de0f794e0798e016ae648c0d14e8b8d.exe	6de0f794e0798e016ae648c0d14e8b8d.exe
PID 2364 wrote to memory of 2624	2364	6de0f794e0798e016ae648c0d14e8b8d.exe	6de0f794e0798e016ae648c0d14e8b8d.exe
PID 2364 wrote to memory of 2624	2364	6de0f794e0798e016ae648c0d14e8b8d.exe	6de0f794e0798e016ae648c0d14e8b8d.exe
PID 2364 wrote to memory of 2624	2364	6de0f794e0798e016ae648c0d14e8b8d.exe	6de0f794e0798e016ae648c0d14e8b8d.exe
PID 2364 wrote to memory of 2624	2364	6de0f794e0798e016ae648c0d14e8b8d.exe	6de0f794e0798e016ae648c0d14e8b8d.exe
PID 2364 wrote to memory of 2624	2364	6de0f794e0798e016ae648c0d14e8b8d.exe	6de0f794e0798e016ae648c0d14e8b8d.exe

C:\Users\Admin\AppData\Local\Temp\6de0f794e0798e016ae648c0d14e8b8d.exe
"C:\Users\Admin\AppData\Local\Temp\6de0f794e0798e016ae648c0d14e8b8d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2364

C:\Users\Admin\AppData\Local\Temp\6de0f794e0798e016ae648c0d14e8b8d.exe
"C:\Users\Admin\AppData\Local\Temp\6de0f794e0798e016ae648c0d14e8b8d.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2624

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/2364-16-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2364-2-0x0000000004600000-0x0000000004640000-memory.dmp

Filesize
256KB

Download
memory/2364-1-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2364-3-0x00000000003A0000-0x00000000003B8000-memory.dmp

Filesize
96KB

Download
memory/2364-4-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2364-5-0x0000000004600000-0x0000000004640000-memory.dmp

Filesize
256KB

Download
memory/2364-6-0x00000000086F0000-0x00000000088E0000-memory.dmp

Filesize
1.9MB

Download
memory/2364-7-0x000000000BF10000-0x000000000C086000-memory.dmp

Filesize
1.5MB

Download
memory/2364-0-0x0000000000B60000-0x0000000000DAA000-memory.dmp

Filesize
2.3MB

Download
memory/2624-8-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2624-21-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2624-14-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2624-10-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2624-17-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2624-33-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2624-9-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2624-15-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2624-19-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2624-20-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2624-23-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2624-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2624-27-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2624-26-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2624-25-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2624-28-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2624-29-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2624-30-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2624-31-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2624-32-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2624-18-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download