bitrat | 748d3b47d1498c7bbf2205b98e8ed577f95872d980ac06baee0426d1c8b166ed

Analysis

max time kernel
148s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
22-02-2024 12:41

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General

Target

Cvdnacb.exe
Size

23KB
MD5

50e198816a25e6ceeaf4174413b7d1b3
SHA1

5509191f320424402266c02b9b6352aea32638f7
SHA256

748d3b47d1498c7bbf2205b98e8ed577f95872d980ac06baee0426d1c8b166ed
SHA512

c7149694fdbe892ebd8345970f848c0a54de294792b802dcd262c2e9370a4936dde56cd3184a0269377c9c9ee8c8bef62ae2526842ee1caf84696b64eb08f853
SSDEEP

384:M86Fw68yQDd5DY/5i49Rtj1sgw2bCoTBPmrQSpb+5S/2vHvrPQ:4vkITztmgXdST0PrPQ

Score

10^/10

bitrat zgrat persistence rat trojan

Malware Config

Extracted

Family

bitrat

Version

1.38

103.153.182.247:6161

Attributes

communication_password
81dc9bdb52d04dc20036dbd8313ed055
install_dir
Install path
install_file
Install name
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

Processes:

resource	yara_rule
behavioral2/memory/1228-3-0x0000000006200000-0x000000000646E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-6-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-7-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-9-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-11-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-15-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-13-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-21-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-25-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-23-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-29-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-27-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-19-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-17-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-31-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-33-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-37-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-39-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-41-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-35-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-45-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-43-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-49-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-47-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-51-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-55-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-59-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-57-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-53-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-61-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-63-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-65-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-67-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1
behavioral2/memory/1228-69-0x0000000006200000-0x0000000006467000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
Drops startup file 1 IoCs

Processes:

Cvdnacb.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Wfldk.vbs Cvdnacb.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Wfldk.vbs	Cvdnacb.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Cvdnacb.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-910440534-423636034-2318342392-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Install name = "C:\\Users\\Admin\\AppData\\Local\\Install path\\Install name"	Cvdnacb.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

Cvdnacb.exe

pid process

4152 Cvdnacb.exe
4152 Cvdnacb.exe
4152 Cvdnacb.exe
4152 Cvdnacb.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Cvdnacb.exe

description pid process target process

PID 1228 set thread context of 4152 1228 Cvdnacb.exe Cvdnacb.exe
Suspicious behavior: RenamesItself 3 IoCs

Processes:

Cvdnacb.exe

pid process

4152 Cvdnacb.exe
4152 Cvdnacb.exe
4152 Cvdnacb.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Cvdnacb.exeCvdnacb.exe

description pid process

Token: SeDebugPrivilege 1228 Cvdnacb.exe
Token: SeShutdownPrivilege 4152 Cvdnacb.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

Cvdnacb.exe

pid process

4152 Cvdnacb.exe
4152 Cvdnacb.exe

pid	process
4152	Cvdnacb.exe
4152	Cvdnacb.exe
4152	Cvdnacb.exe
4152	Cvdnacb.exe

description	pid	process	target process
PID 1228 set thread context of 4152	1228	Cvdnacb.exe	Cvdnacb.exe

pid	process
4152	Cvdnacb.exe
4152	Cvdnacb.exe
4152	Cvdnacb.exe

description	pid	process
Token: SeDebugPrivilege	1228	Cvdnacb.exe
Token: SeShutdownPrivilege	4152	Cvdnacb.exe

pid	process
4152	Cvdnacb.exe
4152	Cvdnacb.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Cvdnacb.exe

description	pid	process	target process
PID 1228 wrote to memory of 4152	1228	Cvdnacb.exe	Cvdnacb.exe
PID 1228 wrote to memory of 4152	1228	Cvdnacb.exe	Cvdnacb.exe
PID 1228 wrote to memory of 4152	1228	Cvdnacb.exe	Cvdnacb.exe
PID 1228 wrote to memory of 4152	1228	Cvdnacb.exe	Cvdnacb.exe
PID 1228 wrote to memory of 4152	1228	Cvdnacb.exe	Cvdnacb.exe
PID 1228 wrote to memory of 4152	1228	Cvdnacb.exe	Cvdnacb.exe
PID 1228 wrote to memory of 4152	1228	Cvdnacb.exe	Cvdnacb.exe
PID 1228 wrote to memory of 4152	1228	Cvdnacb.exe	Cvdnacb.exe
PID 1228 wrote to memory of 4152	1228	Cvdnacb.exe	Cvdnacb.exe
PID 1228 wrote to memory of 4152	1228	Cvdnacb.exe	Cvdnacb.exe
PID 1228 wrote to memory of 4152	1228	Cvdnacb.exe	Cvdnacb.exe

C:\Users\Admin\AppData\Local\Temp\Cvdnacb.exe
"C:\Users\Admin\AppData\Local\Temp\Cvdnacb.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Users\Admin\AppData\Local\Temp\Cvdnacb.exe
  C:\Users\Admin\AppData\Local\Temp\Cvdnacb.exe
  2⤵
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4152

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1228-0-0x0000000000E80000-0x0000000000E8C000-memory.dmp

Filesize
48KB

Download
memory/1228-1-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/1228-2-0x00000000033D0000-0x00000000033E0000-memory.dmp

Filesize
64KB

Download
memory/1228-3-0x0000000006200000-0x000000000646E000-memory.dmp

Filesize
2.4MB

Download
memory/1228-4-0x0000000006A90000-0x00000000070A8000-memory.dmp

Filesize
6.1MB

Download
memory/1228-5-0x00000000065C0000-0x00000000066CA000-memory.dmp

Filesize
1.0MB

Download
memory/1228-6-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-7-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-9-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-11-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-15-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-13-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-21-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-25-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-23-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-29-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-27-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-19-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-17-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-31-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-33-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-37-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-39-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-41-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-35-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-45-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-43-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-49-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-47-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-51-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-55-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-59-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-57-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-53-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-61-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-63-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-65-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-67-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-69-0x0000000006200000-0x0000000006467000-memory.dmp

Filesize
2.4MB

Download
memory/1228-1120-0x00000000064F0000-0x00000000064F1000-memory.dmp

Filesize
4KB

Download
memory/1228-1121-0x00000000081D0000-0x00000000083C6000-memory.dmp

Filesize
2.0MB

Download
memory/1228-1122-0x00000000019C0000-0x0000000001A0C000-memory.dmp

Filesize
304KB

Download
memory/1228-1123-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/1228-1124-0x00000000033D0000-0x00000000033E0000-memory.dmp

Filesize
64KB

Download
memory/1228-1125-0x00000000071D0000-0x0000000007774000-memory.dmp

Filesize
5.6MB

Download
memory/1228-1131-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/4152-1133-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/4152-1135-0x0000000074940000-0x0000000074979000-memory.dmp

Filesize
228KB

Download
memory/4152-1143-0x0000000074CE0000-0x0000000074D19000-memory.dmp

Filesize
228KB

Download