bitrat | 8c91dbc3e4dbb2931374d7ce7604d747eaa75466229f9e56d9854150a4b284f1

Analysis

max time kernel
149s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
31-08-2024 18:07

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General

Target

FalconV1.7/Falcon.exe
Size

2.1MB
MD5

005e76ae2d3af2cc2a001745d5e0afd9
SHA1

fa117b48f316b38db20887ba9b0138a07d686064
SHA256

a427b998ac966b5f8a4ec510205b075cfe7eaa102ac1d9e1ac0182a54cb33d2c
SHA512

2e5bb3e7d95230c012014184bb29ddbd56328fc8d63738ebf50923d5e86461d2f2511c32ca930d23eeec81b4a0d4ad54a4be0c782dfe01904a276a74636a1e8b
SSDEEP

49152:ftBEvg4rSx4YYKOvp+QoqkxR/NPmmRFyxGFrEN0FN63lSY:fQvg4G6YDxQoqkxBNPXmUylD

Score

10^/10

bitrat discovery execution persistence trojan

Malware Config

Extracted

Family

bitrat

Version

1.38

23.105.131.195:49645

Attributes

communication_password
81dc9bdb52d04dc20036dbd8313ed055
tor_process
tor

Signatures

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

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Falcon.exeWScript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	Falcon.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	WScript.exe

Executes dropped EXE 3 IoCs

Processes:

Falcon.exeFalcon.exeFalcon.exe

pid process

5924 Falcon.exe
4224 Falcon.exe
5952 Falcon.exe

pid	process
5924	Falcon.exe
4224	Falcon.exe
5952	Falcon.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Falcon.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ntuser = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ntuser.exe\""	Falcon.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

1540 powershell.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

Falcon.exe

pid process

5952 Falcon.exe
5952 Falcon.exe
5952 Falcon.exe
5952 Falcon.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Falcon.exe

description pid process target process

PID 2688 set thread context of 5952 2688 Falcon.exe Falcon.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1540	powershell.exe

pid	process
5952	Falcon.exe
5952	Falcon.exe
5952	Falcon.exe
5952	Falcon.exe

description	pid	process	target process
PID 2688 set thread context of 5952	2688	Falcon.exe	Falcon.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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

Processes:

Falcon.exepowershell.exeFalcon.exeWScript.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Falcon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Falcon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe

Modifies registry class 1 IoCs

Processes:

Falcon.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000_Classes\Local Settings Falcon.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000_Classes\Local Settings	Falcon.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

Falcon.exepowershell.exe

pid	process
2688	Falcon.exe
2688	Falcon.exe
2688	Falcon.exe
2688	Falcon.exe
2688	Falcon.exe
2688	Falcon.exe
2688	Falcon.exe
2688	Falcon.exe
2688	Falcon.exe
2688	Falcon.exe
1540	powershell.exe
1540	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Falcon.exepowershell.exeFalcon.exe

description pid process

Token: SeDebugPrivilege 2688 Falcon.exe
Token: SeDebugPrivilege 1540 powershell.exe
Token: SeShutdownPrivilege 5952 Falcon.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

Falcon.exe

pid process

5952 Falcon.exe
5952 Falcon.exe

description	pid	process
Token: SeDebugPrivilege	2688	Falcon.exe
Token: SeDebugPrivilege	1540	powershell.exe
Token: SeShutdownPrivilege	5952	Falcon.exe

pid	process
5952	Falcon.exe
5952	Falcon.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

Falcon.exeWScript.exe

description	pid	process	target process
PID 2688 wrote to memory of 1020	2688	Falcon.exe	WScript.exe
PID 2688 wrote to memory of 1020	2688	Falcon.exe	WScript.exe
PID 2688 wrote to memory of 1020	2688	Falcon.exe	WScript.exe
PID 2688 wrote to memory of 5924	2688	Falcon.exe	Falcon.exe
PID 2688 wrote to memory of 5924	2688	Falcon.exe	Falcon.exe
PID 2688 wrote to memory of 5924	2688	Falcon.exe	Falcon.exe
PID 2688 wrote to memory of 4224	2688	Falcon.exe	Falcon.exe
PID 2688 wrote to memory of 4224	2688	Falcon.exe	Falcon.exe
PID 2688 wrote to memory of 4224	2688	Falcon.exe	Falcon.exe
PID 2688 wrote to memory of 5952	2688	Falcon.exe	Falcon.exe
PID 2688 wrote to memory of 5952	2688	Falcon.exe	Falcon.exe
PID 2688 wrote to memory of 5952	2688	Falcon.exe	Falcon.exe
PID 1020 wrote to memory of 1540	1020	WScript.exe	powershell.exe
PID 1020 wrote to memory of 1540	1020	WScript.exe	powershell.exe
PID 1020 wrote to memory of 1540	1020	WScript.exe	powershell.exe
PID 2688 wrote to memory of 5952	2688	Falcon.exe	Falcon.exe
PID 2688 wrote to memory of 5952	2688	Falcon.exe	Falcon.exe
PID 2688 wrote to memory of 5952	2688	Falcon.exe	Falcon.exe
PID 2688 wrote to memory of 5952	2688	Falcon.exe	Falcon.exe
PID 2688 wrote to memory of 5952	2688	Falcon.exe	Falcon.exe
PID 2688 wrote to memory of 5952	2688	Falcon.exe	Falcon.exe
PID 2688 wrote to memory of 5952	2688	Falcon.exe	Falcon.exe
PID 2688 wrote to memory of 5952	2688	Falcon.exe	Falcon.exe

C:\Users\Admin\AppData\Local\Temp\FalconV1.7\Falcon.exe
"C:\Users\Admin\AppData\Local\Temp\FalconV1.7\Falcon.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\_Lvzjypcn.vbs"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1020
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ExclusionPath C:\,'C:\Users\Admin\AppData\Roaming\Ntuser.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1540
- C:\Users\Admin\AppData\Local\Temp\Falcon.exe
  C:\Users\Admin\AppData\Local\Temp\Falcon.exe
  2⤵
  - Executes dropped EXE
  PID:5924
- C:\Users\Admin\AppData\Local\Temp\Falcon.exe
  C:\Users\Admin\AppData\Local\Temp\Falcon.exe
  2⤵
  - Executes dropped EXE
  PID:4224
- C:\Users\Admin\AppData\Local\Temp\Falcon.exe
  C:\Users\Admin\AppData\Local\Temp\Falcon.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:5952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Falcon.exe

Filesize
2.1MB

MD5
005e76ae2d3af2cc2a001745d5e0afd9

SHA1
fa117b48f316b38db20887ba9b0138a07d686064

SHA256
a427b998ac966b5f8a4ec510205b075cfe7eaa102ac1d9e1ac0182a54cb33d2c

SHA512
2e5bb3e7d95230c012014184bb29ddbd56328fc8d63738ebf50923d5e86461d2f2511c32ca930d23eeec81b4a0d4ad54a4be0c782dfe01904a276a74636a1e8b

Download Submit
C:\Users\Admin\AppData\Local\Temp\_Lvzjypcn.vbs

Filesize
136B

MD5
24131be6e84c424a31423a9daa683b01

SHA1
38ae56938aa4fd963f066287b4190c929388e074

SHA256
1fe2a89a827cbe4ef046ca27f4d38c1ef1fbe889901f3946a4b7e1d4005cbde7

SHA512
5e0cb79ec9ed8836570393060e0b0f55b1a1a0446922e988913ed4ea4d67567a3a04e7d3a77c73dce596bd0eae530d07f0d2cf0f9cdf6b96001e1737d158704f

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gmdpprr0.zbk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1540-1860-0x00000000709D0000-0x0000000070A1C000-memory.dmp

Filesize
304KB

Download
memory/1540-1858-0x00000000064F0000-0x000000000653C000-memory.dmp

Filesize
304KB

Download
memory/1540-1885-0x00000000079D0000-0x00000000079E1000-memory.dmp

Filesize
68KB

Download
memory/1540-1877-0x0000000007A50000-0x0000000007AE6000-memory.dmp

Filesize
600KB

Download
memory/1540-1874-0x0000000007840000-0x000000000784A000-memory.dmp

Filesize
40KB

Download
memory/1540-1873-0x00000000077D0000-0x00000000077EA000-memory.dmp

Filesize
104KB

Download
memory/1540-1872-0x0000000007E10000-0x000000000848A000-memory.dmp

Filesize
6.5MB

Download
memory/1540-1871-0x00000000076B0000-0x0000000007753000-memory.dmp

Filesize
652KB

Download
memory/1540-1870-0x0000000006AA0000-0x0000000006ABE000-memory.dmp

Filesize
120KB

Download
memory/1540-1887-0x0000000007A10000-0x0000000007A24000-memory.dmp

Filesize
80KB

Download
memory/1540-1859-0x0000000006A60000-0x0000000006A92000-memory.dmp

Filesize
200KB

Download
memory/1540-1886-0x0000000007A00000-0x0000000007A0E000-memory.dmp

Filesize
56KB

Download
memory/1540-1857-0x00000000064A0000-0x00000000064BE000-memory.dmp

Filesize
120KB

Download
memory/1540-1856-0x0000000005EE0000-0x0000000006234000-memory.dmp

Filesize
3.3MB

Download
memory/1540-1888-0x0000000007B10000-0x0000000007B2A000-memory.dmp

Filesize
104KB

Download
memory/1540-1846-0x0000000005E70000-0x0000000005ED6000-memory.dmp

Filesize
408KB

Download
memory/1540-1845-0x00000000056A0000-0x0000000005706000-memory.dmp

Filesize
408KB

Download
memory/1540-1844-0x0000000005500000-0x0000000005522000-memory.dmp

Filesize
136KB

Download
memory/1540-1843-0x0000000005710000-0x0000000005D38000-memory.dmp

Filesize
6.2MB

Download
memory/1540-1842-0x0000000002B80000-0x0000000002BB6000-memory.dmp

Filesize
216KB

Download
memory/1540-1889-0x0000000007AF0000-0x0000000007AF8000-memory.dmp

Filesize
32KB

Download
memory/2688-51-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-55-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-33-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-31-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-29-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-27-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-25-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-21-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-19-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-17-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-15-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-71-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-65-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-13-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-53-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-49-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-43-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-11-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-10-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-37-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-39-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-1-0x0000000000E00000-0x000000000101C000-memory.dmp

Filesize
2.1MB

Download
memory/2688-1841-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/2688-41-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-45-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-47-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/2688-35-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-57-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-59-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-61-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-63-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-67-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-69-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-73-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-23-0x0000000005410000-0x0000000005473000-memory.dmp

Filesize
396KB

Download
memory/2688-9-0x0000000005410000-0x000000000547A000-memory.dmp

Filesize
424KB

Download
memory/2688-8-0x0000000007420000-0x000000000762A000-memory.dmp

Filesize
2.0MB

Download
memory/2688-7-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/2688-2-0x0000000005FC0000-0x0000000006564000-memory.dmp

Filesize
5.6MB

Download
memory/2688-6-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/2688-5-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/2688-4-0x0000000005AC0000-0x0000000005ACA000-memory.dmp

Filesize
40KB

Download
memory/2688-3-0x0000000005A10000-0x0000000005AA2000-memory.dmp

Filesize
584KB

Download
memory/5952-1876-0x000000006FFC0000-0x000000006FFF9000-memory.dmp

Filesize
228KB

Download
memory/5952-1840-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/5952-1892-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/5952-1895-0x0000000074C10000-0x0000000074C49000-memory.dmp

Filesize
228KB

Download
memory/5952-1898-0x0000000074C10000-0x0000000074C49000-memory.dmp

Filesize
228KB

Download
memory/5952-1899-0x000000006FFC0000-0x000000006FFF9000-memory.dmp

Filesize
228KB

Download
memory/5952-1900-0x000000006FC90000-0x000000006FCC9000-memory.dmp

Filesize
228KB

Download
memory/5952-1903-0x0000000074C10000-0x0000000074C49000-memory.dmp

Filesize
228KB

Download
memory/5952-1904-0x0000000074C10000-0x0000000074C49000-memory.dmp

Filesize
228KB

Download