bitrat | 4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899

Analysis

max time kernel
118s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-09-2024 20:07

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General

Target

4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899N.exe
Size

2.6MB
MD5

3fdc600285ca37b7985b8b13c86c6a70
SHA1

fc12ad02fc1dbab9641e8cb3c807b3903f437626
SHA256

4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899
SHA512

24ba039b811e5c0dd7c5b2dcac8784620b4112cfb90fa955624be331451e343611f6becece7c3ec93371475ddc6d364cec8529484fa5b65c1b4573ed018ea854
SSDEEP

49152:e/c9Kt+cgsG2P4qX7STBh0VWq2x8WoR8D3MR0aKVtRTus7:eQKoJsG2XmTBmVWq2xoRMaCtRTus7

Score

10^/10

bitrat discovery 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

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 3624 created 3420	3624	4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899N.exe	55

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Vkftyqxlvkw = "C:\\Users\\Admin\\AppData\\Roaming\\Vkftyqxlvkw.exe"	4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\updater = "C:\\Users\\Admin\\AppData\\Local\\chrome\\updater"	InstallUtil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\updater = "C:\\Users\\Admin\\AppData\\Local\\chrome\\updaterԀ"	InstallUtil.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

pid	Process
3152	InstallUtil.exe
3152	InstallUtil.exe
3152	InstallUtil.exe
3152	InstallUtil.exe
3152	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3624 set thread context of 3152	3624	4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899N.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3624	4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899N.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3624	4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899N.exe
Token: SeDebugPrivilege	3624	4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899N.exe
Token: SeShutdownPrivilege	3152	InstallUtil.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3152	InstallUtil.exe
3152	InstallUtil.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3624 wrote to memory of 3152	3624	4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899N.exe	83
PID 3624 wrote to memory of 3152	3624	4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899N.exe	83
PID 3624 wrote to memory of 3152	3624	4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899N.exe	83
PID 3624 wrote to memory of 3152	3624	4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899N.exe	83
PID 3624 wrote to memory of 3152	3624	4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899N.exe	83
PID 3624 wrote to memory of 3152	3624	4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899N.exe	83
PID 3624 wrote to memory of 3152	3624	4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899N.exe	83
PID 3624 wrote to memory of 3152	3624	4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899N.exe	83
PID 3624 wrote to memory of 3152	3624	4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899N.exe	83
PID 3624 wrote to memory of 3152	3624	4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899N.exe	83
PID 3624 wrote to memory of 3152	3624	4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899N.exe	83

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3420
- C:\Users\Admin\AppData\Local\Temp\4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899N.exe
  "C:\Users\Admin\AppData\Local\Temp\4961035acbeb6994d32cddd04c863934bf765693e47f78b8aa8decf63d1aa899N.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3624
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3152

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3152-1096-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3152-1099-0x00000000751A0000-0x00000000751D9000-memory.dmp

Filesize
228KB

Download
memory/3152-1107-0x0000000075540000-0x0000000075579000-memory.dmp

Filesize
228KB

Download
memory/3152-1113-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3152-1144-0x00000000751A0000-0x00000000751D9000-memory.dmp

Filesize
228KB

Download
memory/3152-1145-0x0000000075540000-0x0000000075579000-memory.dmp

Filesize
228KB

Download
memory/3624-44-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-34-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-3-0x00000000057F0000-0x0000000005A94000-memory.dmp

Filesize
2.6MB

Download
memory/3624-4-0x0000000006BE0000-0x0000000006E86000-memory.dmp

Filesize
2.6MB

Download
memory/3624-12-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-14-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-22-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-26-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-46-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-64-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-66-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-68-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-62-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-60-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-58-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-56-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-54-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-52-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-50-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-48-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-1-0x0000000000AB0000-0x0000000000D50000-memory.dmp

Filesize
2.6MB

Download
memory/3624-42-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-40-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-38-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-36-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-2-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/3624-30-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-28-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-24-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-32-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-20-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-16-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-10-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-9-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-6-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-18-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-5-0x0000000006BE0000-0x0000000006E80000-memory.dmp

Filesize
2.6MB

Download
memory/3624-1079-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/3624-1080-0x0000000007310000-0x0000000007530000-memory.dmp

Filesize
2.1MB

Download
memory/3624-1081-0x0000000005140000-0x000000000518C000-memory.dmp

Filesize
304KB

Download
memory/3624-1085-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/3624-1086-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/3624-1088-0x000000007529E000-0x000000007529F000-memory.dmp

Filesize
4KB

Download
memory/3624-0-0x000000007529E000-0x000000007529F000-memory.dmp

Filesize
4KB

Download
memory/3624-1087-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/3624-1089-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/3624-1090-0x0000000007C90000-0x0000000008234000-memory.dmp

Filesize
5.6MB

Download
memory/3624-1091-0x0000000006FC0000-0x0000000007014000-memory.dmp

Filesize
336KB

Download
memory/3624-1097-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download