bitrat | a427b998ac966b5f8a4ec510205b075cfe7eaa102ac1d9e1ac0182a54cb33d2c

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
25-05-2024 01:30

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General

Target

Falcon.exe
Size

2.1MB
MD5

005e76ae2d3af2cc2a001745d5e0afd9
SHA1

fa117b48f316b38db20887ba9b0138a07d686064
SHA256

a427b998ac966b5f8a4ec510205b075cfe7eaa102ac1d9e1ac0182a54cb33d2c
SHA512

2e5bb3e7d95230c012014184bb29ddbd56328fc8d63738ebf50923d5e86461d2f2511c32ca930d23eeec81b4a0d4ad54a4be0c782dfe01904a276a74636a1e8b
SSDEEP

49152:ftBEvg4rSx4YYKOvp+QoqkxR/NPmmRFyxGFrEN0FN63lSY:fQvg4G6YDxQoqkxBNPXmUylD

Score

10^/10

bitrat 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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	Falcon.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	WScript.exe

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-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ntuser = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ntuser.exe\""	Falcon.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
7060	Falcon.exe
7060	Falcon.exe
7060	Falcon.exe
7060	Falcon.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4540 set thread context of 7060	4540	Falcon.exe	96

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000_Classes\Local Settings	Falcon.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4540	Falcon.exe
4540	Falcon.exe
7100	powershell.exe
7100	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4540	Falcon.exe
Token: SeDebugPrivilege	7100	powershell.exe
Token: SeShutdownPrivilege	7060	Falcon.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
7060	Falcon.exe
7060	Falcon.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4540 wrote to memory of 6924	4540	Falcon.exe	95
PID 4540 wrote to memory of 6924	4540	Falcon.exe	95
PID 4540 wrote to memory of 6924	4540	Falcon.exe	95
PID 4540 wrote to memory of 7060	4540	Falcon.exe	96
PID 4540 wrote to memory of 7060	4540	Falcon.exe	96
PID 4540 wrote to memory of 7060	4540	Falcon.exe	96
PID 4540 wrote to memory of 7060	4540	Falcon.exe	96
PID 4540 wrote to memory of 7060	4540	Falcon.exe	96
PID 4540 wrote to memory of 7060	4540	Falcon.exe	96
PID 4540 wrote to memory of 7060	4540	Falcon.exe	96
PID 4540 wrote to memory of 7060	4540	Falcon.exe	96
PID 4540 wrote to memory of 7060	4540	Falcon.exe	96
PID 4540 wrote to memory of 7060	4540	Falcon.exe	96
PID 4540 wrote to memory of 7060	4540	Falcon.exe	96
PID 6924 wrote to memory of 7100	6924	WScript.exe	97
PID 6924 wrote to memory of 7100	6924	WScript.exe	97
PID 6924 wrote to memory of 7100	6924	WScript.exe	97

C:\Users\Admin\AppData\Local\Temp\Falcon.exe
"C:\Users\Admin\AppData\Local\Temp\Falcon.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4540
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\_Lvzjypcn.vbs"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:6924
- - 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⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:7100
- C:\Users\Admin\AppData\Local\Temp\Falcon.exe
  C:\Users\Admin\AppData\Local\Temp\Falcon.exe
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:7060

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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_0rixae2v.pit.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4540-10-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-5-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/4540-2-0x0000000005900000-0x0000000005EA4000-memory.dmp

Filesize
5.6MB

Download
memory/4540-3-0x0000000005260000-0x00000000052F2000-memory.dmp

Filesize
584KB

Download
memory/4540-0-0x000000007453E000-0x000000007453F000-memory.dmp

Filesize
4KB

Download
memory/4540-60-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-6-0x000000007453E000-0x000000007453F000-memory.dmp

Filesize
4KB

Download
memory/4540-7-0x0000000006B90000-0x0000000006D9A000-memory.dmp

Filesize
2.0MB

Download
memory/4540-8-0x0000000004CB0000-0x0000000004D1A000-memory.dmp

Filesize
424KB

Download
memory/4540-24-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-72-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-70-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-69-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-66-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-62-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-58-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-54-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-50-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-46-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-44-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-40-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-36-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-34-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-32-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-30-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-28-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-26-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-22-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-20-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-18-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-16-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-14-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-12-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-64-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-56-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-1-0x0000000000660000-0x000000000087C000-memory.dmp

Filesize
2.1MB

Download
memory/4540-4-0x0000000005310000-0x000000000531A000-memory.dmp

Filesize
40KB

Download
memory/4540-52-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-48-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-42-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-38-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-9-0x0000000004CB0000-0x0000000004D13000-memory.dmp

Filesize
396KB

Download
memory/4540-1823-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/4540-1834-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/7060-1877-0x0000000074440000-0x0000000074479000-memory.dmp

Filesize
228KB

Download
memory/7060-1895-0x00000000747C0000-0x00000000747F9000-memory.dmp

Filesize
228KB

Download
memory/7060-1885-0x00000000747C0000-0x00000000747F9000-memory.dmp

Filesize
228KB

Download
memory/7060-1892-0x00000000747C0000-0x00000000747F9000-memory.dmp

Filesize
228KB

Download
memory/7060-1889-0x00000000747C0000-0x00000000747F9000-memory.dmp

Filesize
228KB

Download
memory/7060-1886-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/7060-1833-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/7100-1835-0x0000000002A70000-0x0000000002AA6000-memory.dmp

Filesize
216KB

Download
memory/7100-1868-0x0000000007930000-0x00000000079C6000-memory.dmp

Filesize
600KB

Download
memory/7100-1850-0x0000000006370000-0x000000000638E000-memory.dmp

Filesize
120KB

Download
memory/7100-1866-0x00000000076A0000-0x00000000076BA000-memory.dmp

Filesize
104KB

Download
memory/7100-1853-0x00000000703D0000-0x000000007041C000-memory.dmp

Filesize
304KB

Download
memory/7100-1864-0x00000000073A0000-0x0000000007443000-memory.dmp

Filesize
652KB

Download
memory/7100-1849-0x0000000005E90000-0x00000000061E4000-memory.dmp

Filesize
3.3MB

Download
memory/7100-1838-0x0000000005C80000-0x0000000005CE6000-memory.dmp

Filesize
408KB

Download
memory/7100-1851-0x0000000006420000-0x000000000646C000-memory.dmp

Filesize
304KB

Download
memory/7100-1865-0x0000000007CE0000-0x000000000835A000-memory.dmp

Filesize
6.5MB

Download
memory/7100-1867-0x0000000007700000-0x000000000770A000-memory.dmp

Filesize
40KB

Download
memory/7100-1837-0x0000000005BE0000-0x0000000005C02000-memory.dmp

Filesize
136KB

Download
memory/7100-1869-0x00000000078A0000-0x00000000078B1000-memory.dmp

Filesize
68KB

Download
memory/7100-1870-0x00000000078D0000-0x00000000078DE000-memory.dmp

Filesize
56KB

Download
memory/7100-1871-0x00000000078E0000-0x00000000078F4000-memory.dmp

Filesize
80KB

Download
memory/7100-1839-0x0000000005CF0000-0x0000000005D56000-memory.dmp

Filesize
408KB

Download
memory/7100-1836-0x0000000005560000-0x0000000005B88000-memory.dmp

Filesize
6.2MB

Download
memory/7100-1852-0x0000000006940000-0x0000000006972000-memory.dmp

Filesize
200KB

Download
memory/7100-1863-0x0000000007380000-0x000000000739E000-memory.dmp

Filesize
120KB

Download
memory/7100-1873-0x0000000007920000-0x0000000007928000-memory.dmp

Filesize
32KB

Download
memory/7100-1872-0x00000000079F0000-0x0000000007A0A000-memory.dmp

Filesize
104KB

Download