bitrat | 2f6ef42f0d67f7785b9077ecf64403ef5f86dc85447d965a4516109f850fd903

Analysis

max time kernel
44s
max time network
87s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28-12-2023 21:19

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General

Target

f8d767e98e8af957e78d511e094920f8.exe
Size

2.0MB
MD5

f8d767e98e8af957e78d511e094920f8
SHA1

62cd50cea9b064a95fbf31e049512bdf2b31d8e0
SHA256

2f6ef42f0d67f7785b9077ecf64403ef5f86dc85447d965a4516109f850fd903
SHA512

556890fcc21e2d5a1ebe00d4acf1258fac0b539cb1e7a304efd3d9db59a2d06c321ac4e2e3ae9f3e3432f91b991f05524918a4a10674e35972ce075349da1af5
SSDEEP

49152:dHA5Mgur5lyqkQbLxDRDvA5Ny73RX2poBMQRAN:i5idkQbND4AX2eMi

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

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.

resource	yara_rule
behavioral2/memory/3292-7-0x0000000004F80000-0x0000000004F92000-memory.dmp	CustAttr

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2788-12-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2788-17-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2788-16-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2788-15-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2788-13-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2788-19-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2788-21-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2788-25-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2788-27-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2788-26-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2788-24-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2788-23-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2788-22-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2788-29-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2788-30-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2788-31-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Googlechromeinit = "C:\\Users\\Admin\\AppData\\Local\\Googlechromeinite\\Googlechromeinit.exe䠀"	f8d767e98e8af957e78d511e094920f8.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2788	f8d767e98e8af957e78d511e094920f8.exe
2788	f8d767e98e8af957e78d511e094920f8.exe
2788	f8d767e98e8af957e78d511e094920f8.exe
2788	f8d767e98e8af957e78d511e094920f8.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3292 set thread context of 2788	3292	f8d767e98e8af957e78d511e094920f8.exe	100

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2788	f8d767e98e8af957e78d511e094920f8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2788	f8d767e98e8af957e78d511e094920f8.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2788	f8d767e98e8af957e78d511e094920f8.exe
2788	f8d767e98e8af957e78d511e094920f8.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3292 wrote to memory of 2788	3292	f8d767e98e8af957e78d511e094920f8.exe	100
PID 3292 wrote to memory of 2788	3292	f8d767e98e8af957e78d511e094920f8.exe	100
PID 3292 wrote to memory of 2788	3292	f8d767e98e8af957e78d511e094920f8.exe	100
PID 3292 wrote to memory of 2788	3292	f8d767e98e8af957e78d511e094920f8.exe	100
PID 3292 wrote to memory of 2788	3292	f8d767e98e8af957e78d511e094920f8.exe	100
PID 3292 wrote to memory of 2788	3292	f8d767e98e8af957e78d511e094920f8.exe	100
PID 3292 wrote to memory of 2788	3292	f8d767e98e8af957e78d511e094920f8.exe	100

C:\Users\Admin\AppData\Local\Temp\f8d767e98e8af957e78d511e094920f8.exe
"C:\Users\Admin\AppData\Local\Temp\f8d767e98e8af957e78d511e094920f8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3292
- C:\Users\Admin\AppData\Local\Temp\f8d767e98e8af957e78d511e094920f8.exe
  "C:\Users\Admin\AppData\Local\Temp\f8d767e98e8af957e78d511e094920f8.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2788

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/2788-22-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2788-29-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2788-37-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2788-20-0x0000000074500000-0x0000000074539000-memory.dmp

Filesize
228KB

Download
memory/2788-36-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2788-33-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2788-34-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2788-35-0x00000000741C0000-0x00000000741F9000-memory.dmp

Filesize
228KB

Download
memory/2788-19-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2788-31-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2788-32-0x00000000741C0000-0x00000000741F9000-memory.dmp

Filesize
228KB

Download
memory/2788-30-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2788-12-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2788-23-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2788-17-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2788-16-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2788-15-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2788-13-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2788-21-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2788-38-0x00000000741C0000-0x00000000741F9000-memory.dmp

Filesize
228KB

Download
memory/2788-24-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2788-25-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2788-27-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2788-28-0x00000000741C0000-0x00000000741F9000-memory.dmp

Filesize
228KB

Download
memory/2788-26-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3292-10-0x0000000006D60000-0x0000000006F20000-memory.dmp

Filesize
1.8MB

Download
memory/3292-18-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/3292-1-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/3292-2-0x00000000053A0000-0x0000000005944000-memory.dmp

Filesize
5.6MB

Download
memory/3292-11-0x0000000006F20000-0x0000000007098000-memory.dmp

Filesize
1.5MB

Download
memory/3292-8-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/3292-9-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

Filesize
64KB

Download
memory/3292-5-0x0000000004CE0000-0x0000000004CEA000-memory.dmp

Filesize
40KB

Download
memory/3292-0-0x00000000000E0000-0x00000000002E2000-memory.dmp

Filesize
2.0MB

Download
memory/3292-7-0x0000000004F80000-0x0000000004F92000-memory.dmp

Filesize
72KB

Download
memory/3292-6-0x0000000004F90000-0x000000000502C000-memory.dmp

Filesize
624KB

Download
memory/3292-4-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

Filesize
64KB

Download
memory/3292-3-0x0000000004CF0000-0x0000000004D82000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads