bitrat | b3c167f4d9b549c00a67e8dcdfc537bc91995b805bb2dcabf3af0979e597dae9

Analysis

max time kernel
57s
max time network
131s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
22-12-2023 09:11

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General

Target

804b8999e3e6d9a7dc4d091387335049.exe
Size

2.3MB
MD5

804b8999e3e6d9a7dc4d091387335049
SHA1

afaa02ac351e07f8816aaa7ee17e35294d9d343a
SHA256

b3c167f4d9b549c00a67e8dcdfc537bc91995b805bb2dcabf3af0979e597dae9
SHA512

4d55ca7744f63ad61afc18cea871a36ee7fe47a3051a77da23d8560e63e2e9bb5bbb15bb937470a0064ad41ebba9454660a256b018c705eb7260ece0bf386918
SSDEEP

49152:bCpBKTd2Z2tZkQmMN3KKtDQiFjpt2HOO9J3vhsfLnB4:bC3KTd+tMN37tUiFjLEOOnvh8N4

Score

10^/10

bitrat persistence trojan

Malware Config

Extracted

Family

bitrat

Version

1.38

mianoffice221.kozow.com:8899

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Roaming\\Luminar\\LuminarSetup.exe\","	804b8999e3e6d9a7dc4d091387335049.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2080	804b8999e3e6d9a7dc4d091387335049.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2684	2080	804b8999e3e6d9a7dc4d091387335049.exe	30
PID 2080 wrote to memory of 2684	2080	804b8999e3e6d9a7dc4d091387335049.exe	30
PID 2080 wrote to memory of 2684	2080	804b8999e3e6d9a7dc4d091387335049.exe	30
PID 2080 wrote to memory of 2684	2080	804b8999e3e6d9a7dc4d091387335049.exe	30

C:\Users\Admin\AppData\Local\Temp\804b8999e3e6d9a7dc4d091387335049.exe
"C:\Users\Admin\AppData\Local\Temp\804b8999e3e6d9a7dc4d091387335049.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\_Oviadrszxpavhd.vbs"
  2⤵
  PID:2684
- - 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\Luminar\LuminarSetup.exe'
    3⤵
    PID:2912
- C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
  C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
  2⤵
  PID:320

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
10KB

MD5
08bc01a0ee98743b4b9e270f0296af11

SHA1
a89b166f14cb6ca71e8ebcbfb5a96e81615f4d89

SHA256
901a7e65e28e230bc75fc1f9048c5db070a2bcf09fb5d882982998486f7c70b7

SHA512
4588950e1b9c781602084b442136a34f830950a5086bd48df8bcbba102ab7c976b76b2dff8999a486094aa5d58d502e8fcd55fa78a56d17d505cc181bd56ec12

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

Filesize
150B

MD5
72150d142e8c0f04acf3ffaf4ac31d5a

SHA1
49cd56fa5e534c8c06b1c29d32159bd7d45178e9

SHA256
8108e778017e5da4690e88ec75833fa34122321d3a41f356e01742c24139f6a6

SHA512
eba87752abc9f39b719c61f6d39e72a666c63108009a1dcb3f304ddf23f072a1bb950e108c2eac6f93c8dd3c9fe59e327dad417b2e0bc2e39eed717fca50de46

Download Submit
\Users\Admin\AppData\Local\Temp\RegAsm.exe

Filesize
63KB

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
memory/320-73-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/320-68-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/320-71-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/320-64-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/320-77-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/320-79-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/320-94-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/320-104-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/320-75-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/320-70-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/320-66-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2080-47-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-29-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-39-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-37-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-35-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-33-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-31-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-19-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-41-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-43-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-11-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-45-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-0-0x00000000000A0000-0x00000000002EC000-memory.dmp

Filesize
2.3MB

Download
memory/2080-49-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-51-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-52-0x0000000002070000-0x0000000002098000-memory.dmp

Filesize
160KB

Download
memory/2080-53-0x0000000074420000-0x0000000074B0E000-memory.dmp

Filesize
6.9MB

Download
memory/2080-54-0x0000000000610000-0x0000000000650000-memory.dmp

Filesize
256KB

Download
memory/2080-27-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-21-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-23-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-25-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-13-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-88-0x0000000074420000-0x0000000074B0E000-memory.dmp

Filesize
6.9MB

Download
memory/2080-1-0x0000000074420000-0x0000000074B0E000-memory.dmp

Filesize
6.9MB

Download
memory/2080-2-0x0000000000610000-0x0000000000650000-memory.dmp

Filesize
256KB

Download
memory/2080-15-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-3-0x0000000008230000-0x0000000008434000-memory.dmp

Filesize
2.0MB

Download
memory/2080-4-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-17-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-5-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-9-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2080-7-0x0000000008230000-0x000000000842E000-memory.dmp

Filesize
2.0MB

Download
memory/2912-95-0x000000006F570000-0x000000006FB1B000-memory.dmp

Filesize
5.7MB

Download
memory/2912-90-0x000000006F570000-0x000000006FB1B000-memory.dmp

Filesize
5.7MB

Download
memory/2912-92-0x000000006F570000-0x000000006FB1B000-memory.dmp

Filesize
5.7MB

Download
memory/2912-93-0x0000000002C40000-0x0000000002C80000-memory.dmp

Filesize
256KB

Download
memory/2912-91-0x0000000002C40000-0x0000000002C80000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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