bitrat | 2b0e5a007f1b13a5f5380718ba98c8e00c087315501667d03ebd6bf986205e2b

Analysis

max time kernel
140s
max time network
138s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
15-01-2024 18:38

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General

Target

5dcca8cd88e96c87d548d21c582e6534.exe
Size

1.7MB
MD5

5dcca8cd88e96c87d548d21c582e6534
SHA1

0715d363f54b89afc0a2e3b685ffa45cf76fcbeb
SHA256

2b0e5a007f1b13a5f5380718ba98c8e00c087315501667d03ebd6bf986205e2b
SHA512

5d48b7f2182f440a0201cb4c83f283b3866f9745ff0d2b8b79e2dfbcf68742d0d42a93fdcae680e031c09cdcdf417c40607e62e519adc264383da4a4e74ef2a7
SSDEEP

49152:MZO7NPP6UaRoNqZRTeSSwvA8kfLQ68fkCtgHREBfJXA:CcPP6UaRoNqDeSS6tEQ68fkCuHREBfK

Score

10^/10

bitrat zgrat persistence rat trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

94.237.49.140:2222

Attributes

communication_password
934b535800b1cba8f96a5d72f72f1611
tor_process
tor

Signatures

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

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral1/memory/2760-6-0x00000000001D0000-0x000000000022A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-7-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-8-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-10-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-16-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-14-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-12-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-20-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-18-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-22-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-26-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-24-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-32-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-30-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-28-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-34-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-36-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-40-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-38-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-42-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-44-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-46-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-52-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-50-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-54-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-48-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-58-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-56-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-62-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-60-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-64-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-66-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-68-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1
behavioral1/memory/2760-70-0x00000000001D0000-0x0000000000224000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Deletes itself 1 IoCs

pid	Process
1544	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
2976	RegAsm.exe

Loads dropped DLL 2 IoCs

pid	Process
2760	5dcca8cd88e96c87d548d21c582e6534.exe
2976	RegAsm.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2976-1795-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2976-1808-0x0000000000400000-0x00000000007E4000-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-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinRAR = "\"C:\\Users\\Admin\\AppData\\Roaming\\WinRAR\\WinRAR.exe\""	5dcca8cd88e96c87d548d21c582e6534.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2976	RegAsm.exe
2976	RegAsm.exe
2976	RegAsm.exe
2976	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2760 set thread context of 2976	2760	5dcca8cd88e96c87d548d21c582e6534.exe	34

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2760	5dcca8cd88e96c87d548d21c582e6534.exe
2760	5dcca8cd88e96c87d548d21c582e6534.exe
2760	5dcca8cd88e96c87d548d21c582e6534.exe
2760	5dcca8cd88e96c87d548d21c582e6534.exe
1544	powershell.exe
2444	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	5dcca8cd88e96c87d548d21c582e6534.exe
Token: SeDebugPrivilege	1544	powershell.exe
Token: SeDebugPrivilege	2444	powershell.exe
Token: SeDebugPrivilege	2976	RegAsm.exe
Token: SeShutdownPrivilege	2976	RegAsm.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2976	RegAsm.exe
2976	RegAsm.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 1736	2760	5dcca8cd88e96c87d548d21c582e6534.exe	29
PID 2760 wrote to memory of 1736	2760	5dcca8cd88e96c87d548d21c582e6534.exe	29
PID 2760 wrote to memory of 1736	2760	5dcca8cd88e96c87d548d21c582e6534.exe	29
PID 2760 wrote to memory of 1736	2760	5dcca8cd88e96c87d548d21c582e6534.exe	29
PID 2760 wrote to memory of 1544	2760	5dcca8cd88e96c87d548d21c582e6534.exe	30
PID 2760 wrote to memory of 1544	2760	5dcca8cd88e96c87d548d21c582e6534.exe	30
PID 2760 wrote to memory of 1544	2760	5dcca8cd88e96c87d548d21c582e6534.exe	30
PID 2760 wrote to memory of 1544	2760	5dcca8cd88e96c87d548d21c582e6534.exe	30
PID 1736 wrote to memory of 2444	1736	WScript.exe	32
PID 1736 wrote to memory of 2444	1736	WScript.exe	32
PID 1736 wrote to memory of 2444	1736	WScript.exe	32
PID 1736 wrote to memory of 2444	1736	WScript.exe	32
PID 2760 wrote to memory of 2976	2760	5dcca8cd88e96c87d548d21c582e6534.exe	34
PID 2760 wrote to memory of 2976	2760	5dcca8cd88e96c87d548d21c582e6534.exe	34
PID 2760 wrote to memory of 2976	2760	5dcca8cd88e96c87d548d21c582e6534.exe	34
PID 2760 wrote to memory of 2976	2760	5dcca8cd88e96c87d548d21c582e6534.exe	34
PID 2760 wrote to memory of 2976	2760	5dcca8cd88e96c87d548d21c582e6534.exe	34
PID 2760 wrote to memory of 2976	2760	5dcca8cd88e96c87d548d21c582e6534.exe	34
PID 2760 wrote to memory of 2976	2760	5dcca8cd88e96c87d548d21c582e6534.exe	34
PID 2760 wrote to memory of 2976	2760	5dcca8cd88e96c87d548d21c582e6534.exe	34
PID 2760 wrote to memory of 2976	2760	5dcca8cd88e96c87d548d21c582e6534.exe	34
PID 2760 wrote to memory of 2976	2760	5dcca8cd88e96c87d548d21c582e6534.exe	34
PID 2760 wrote to memory of 2976	2760	5dcca8cd88e96c87d548d21c582e6534.exe	34

C:\Users\Admin\AppData\Local\Temp\5dcca8cd88e96c87d548d21c582e6534.exe
"C:\Users\Admin\AppData\Local\Temp\5dcca8cd88e96c87d548d21c582e6534.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\_Fqwxizhaqzzkrkb.vbs"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1736
- - 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\WinRAR\WinRAR.exe'
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2444
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 5; Remove-Item -Path "C:\Users\Admin\AppData\Local\Temp\5dcca8cd88e96c87d548d21c582e6534.exe" -Force
  2⤵
  - Deletes itself
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1544
- C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
  C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2976

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 Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_Fqwxizhaqzzkrkb.vbs

Filesize
143B

MD5
a005d0cdeced63bd69946fdc567f5790

SHA1
2a8f8b628dfb1c122c6a7f6df720bc0b1a4edfa9

SHA256
2c1c3db64a15478fabe2013f50ad9ec329b75a10b8054be67f765d9891582c8e

SHA512
a4cfd3f0567f9b378b8643fc31350048a3c8d272568104df1e851da4406a72ad61e5865a34a3d0d9a9b3643f2c54a3e96b85362797ebcb747826745ccd38235b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\N27W4AQIAQM9RHWN8MK4.temp

Filesize
7KB

MD5
ce77d1a9ff3f9282cc387bd8dc924653

SHA1
6f3650fb3d06dfe1991f405d5c2f85efb5356c68

SHA256
40d39783cb6070d6b0c496c3b615f79ad164470ad44f3fff5a5f6bbc53c4430e

SHA512
cca5d0aa6f3e8477436920db955c5bfee4fa9e0b426b554564e39b24d7e5c0afe381535ac1df5f558b4d38d531f8478f8a78efb2d3ed1b55e784241135b886fb

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

Filesize
63KB

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
memory/1544-1787-0x0000000073910000-0x0000000073EBB000-memory.dmp

Filesize
5.7MB

Download
memory/1544-1807-0x0000000073910000-0x0000000073EBB000-memory.dmp

Filesize
5.7MB

Download
memory/1544-1793-0x00000000025B0000-0x00000000025F0000-memory.dmp

Filesize
256KB

Download
memory/1544-1792-0x0000000073910000-0x0000000073EBB000-memory.dmp

Filesize
5.7MB

Download
memory/1544-1790-0x00000000025B0000-0x00000000025F0000-memory.dmp

Filesize
256KB

Download
memory/2444-1791-0x0000000073910000-0x0000000073EBB000-memory.dmp

Filesize
5.7MB

Download
memory/2444-1788-0x0000000073910000-0x0000000073EBB000-memory.dmp

Filesize
5.7MB

Download
memory/2444-1789-0x00000000027A0000-0x00000000027E0000-memory.dmp

Filesize
256KB

Download
memory/2444-1794-0x00000000027A0000-0x00000000027E0000-memory.dmp

Filesize
256KB

Download
memory/2444-1797-0x0000000073910000-0x0000000073EBB000-memory.dmp

Filesize
5.7MB

Download
memory/2760-18-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-62-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-22-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-26-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-24-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-32-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-30-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-28-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-34-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-36-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-40-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-38-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-42-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-44-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-46-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-52-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-50-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-54-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-48-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-58-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-56-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-0-0x00000000009B0000-0x0000000000B6C000-memory.dmp

Filesize
1.7MB

Download
memory/2760-60-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-64-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-66-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-68-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-70-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-20-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-12-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-1773-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2760-14-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-16-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-10-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-8-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-7-0x00000000001D0000-0x0000000000224000-memory.dmp

Filesize
336KB

Download
memory/2760-6-0x00000000001D0000-0x000000000022A000-memory.dmp

Filesize
360KB

Download
memory/2760-5-0x0000000008910000-0x0000000008AB4000-memory.dmp

Filesize
1.6MB

Download
memory/2760-4-0x00000000023A0000-0x00000000023E0000-memory.dmp

Filesize
256KB

Download
memory/2760-3-0x00000000023A0000-0x00000000023E0000-memory.dmp

Filesize
256KB

Download
memory/2760-1-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2760-2-0x00000000023A0000-0x00000000023E0000-memory.dmp

Filesize
256KB

Download
memory/2976-1795-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2976-1808-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download