bitrat | 34637d766580ee138044aba566756d6ee1356ad1915df4778c72e74dcabd25bb

Analysis

max time kernel
152s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28-12-2023 23:21

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General

Target

ff887fa7815b8759a4908e7db7246dff.exe
Size

2.9MB
MD5

ff887fa7815b8759a4908e7db7246dff
SHA1

643240f371ba273be5d24d279fa4a12e45d49b19
SHA256

34637d766580ee138044aba566756d6ee1356ad1915df4778c72e74dcabd25bb
SHA512

3b409a1afd836636a25b93e9a6a8c15d3686b249a05ba60735864cf884f5f9a816e96ee02f411bc31cba5380f1b5e861f5b78c09ceb9c9eddd2a17fe90cf614f
SSDEEP

49152:SaMq0SaVfvc8NDRxHjfUlcfkDKG0y4fTOy6XWa:RWa

Score

10^/10

bitrat zgrat persistence rat trojan

Malware Config

Extracted

Family

bitrat

Version

1.38

vslt.info:1972

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

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral2/memory/3992-9-0x0000000005410000-0x000000000547E000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-10-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-11-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-13-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-15-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-17-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-19-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-21-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-23-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-25-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-27-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-31-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-29-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-43-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-57-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-69-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-67-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-73-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-71-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-65-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-63-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-61-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-59-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-55-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-53-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-51-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-49-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-47-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-45-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-41-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-39-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-37-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-35-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1
behavioral2/memory/3992-33-0x0000000005410000-0x0000000005477000-memory.dmp	family_zgrat_v1

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\Mozilla\\firefox.exe\","	ff887fa7815b8759a4908e7db7246dff.exe

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

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-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	ff887fa7815b8759a4908e7db7246dff.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	WScript.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
1096	ff887fa7815b8759a4908e7db7246dff.exe
1096	ff887fa7815b8759a4908e7db7246dff.exe
1096	ff887fa7815b8759a4908e7db7246dff.exe
1096	ff887fa7815b8759a4908e7db7246dff.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3992 set thread context of 1096	3992	ff887fa7815b8759a4908e7db7246dff.exe	105

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-1-5-21-2398549320-3657759451-817663969-1000_Classes\Local Settings	ff887fa7815b8759a4908e7db7246dff.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3992	ff887fa7815b8759a4908e7db7246dff.exe
3992	ff887fa7815b8759a4908e7db7246dff.exe
5108	powershell.exe
5108	powershell.exe
5108	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3992	ff887fa7815b8759a4908e7db7246dff.exe
Token: SeShutdownPrivilege	1096	ff887fa7815b8759a4908e7db7246dff.exe
Token: SeDebugPrivilege	5108	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1096	ff887fa7815b8759a4908e7db7246dff.exe
1096	ff887fa7815b8759a4908e7db7246dff.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3992 wrote to memory of 1988	3992	ff887fa7815b8759a4908e7db7246dff.exe	104
PID 3992 wrote to memory of 1988	3992	ff887fa7815b8759a4908e7db7246dff.exe	104
PID 3992 wrote to memory of 1988	3992	ff887fa7815b8759a4908e7db7246dff.exe	104
PID 3992 wrote to memory of 1096	3992	ff887fa7815b8759a4908e7db7246dff.exe	105
PID 3992 wrote to memory of 1096	3992	ff887fa7815b8759a4908e7db7246dff.exe	105
PID 3992 wrote to memory of 1096	3992	ff887fa7815b8759a4908e7db7246dff.exe	105
PID 3992 wrote to memory of 1096	3992	ff887fa7815b8759a4908e7db7246dff.exe	105
PID 3992 wrote to memory of 1096	3992	ff887fa7815b8759a4908e7db7246dff.exe	105
PID 1988 wrote to memory of 5108	1988	WScript.exe	106
PID 1988 wrote to memory of 5108	1988	WScript.exe	106
PID 1988 wrote to memory of 5108	1988	WScript.exe	106
PID 3992 wrote to memory of 1096	3992	ff887fa7815b8759a4908e7db7246dff.exe	105
PID 3992 wrote to memory of 1096	3992	ff887fa7815b8759a4908e7db7246dff.exe	105
PID 3992 wrote to memory of 1096	3992	ff887fa7815b8759a4908e7db7246dff.exe	105
PID 3992 wrote to memory of 1096	3992	ff887fa7815b8759a4908e7db7246dff.exe	105
PID 3992 wrote to memory of 1096	3992	ff887fa7815b8759a4908e7db7246dff.exe	105
PID 3992 wrote to memory of 1096	3992	ff887fa7815b8759a4908e7db7246dff.exe	105

C:\Users\Admin\AppData\Local\Temp\ff887fa7815b8759a4908e7db7246dff.exe
"C:\Users\Admin\AppData\Local\Temp\ff887fa7815b8759a4908e7db7246dff.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3992
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\_Xpuqxffprcsiiwrkqgzqm.vbs"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:1988
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ExclusionPath C:\,'C:\Users\Admin\AppData\Local\Mozilla\firefox.exe'
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5108
- C:\Users\Admin\AppData\Local\Temp\ff887fa7815b8759a4908e7db7246dff.exe
  C:\Users\Admin\AppData\Local\Temp\ff887fa7815b8759a4908e7db7246dff.exe
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1096

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

Query Registry

T1012

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\_Xpuqxffprcsiiwrkqgzqm.vbs

Filesize
143B

MD5
717b4d7fa76feeacd5d14ef6464b138f

SHA1
733c2c9e7e6c454621a7de00364f7cf7d4db733e

SHA256
fdd3b1fb8750a69b824106dbf0377b7821551544e79fe598283bf58099008c36

SHA512
1554a595f894851df685d92af079197c1df730c78505d095e1cfe61ed003b5a009f4335a95165052d7c107f6f76073d876595d78e48fc80892d761c5169dfef0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mgox44dj.ije.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1096-2033-0x0000000075600000-0x0000000075639000-memory.dmp

Filesize
228KB

Download
memory/1096-2030-0x0000000075600000-0x0000000075639000-memory.dmp

Filesize
228KB

Download
memory/1096-2027-0x0000000075600000-0x0000000075639000-memory.dmp

Filesize
228KB

Download
memory/1096-2014-0x0000000070700000-0x0000000070739000-memory.dmp

Filesize
228KB

Download
memory/1096-2006-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1096-2004-0x0000000070700000-0x0000000070739000-memory.dmp

Filesize
228KB

Download
memory/1096-1982-0x00000000705B0000-0x00000000705E9000-memory.dmp

Filesize
228KB

Download
memory/1096-1961-0x0000000072DB0000-0x0000000072DE9000-memory.dmp

Filesize
228KB

Download
memory/1096-1953-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3992-35-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-55-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-15-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-17-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-19-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-21-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-23-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-25-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-27-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-31-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-29-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-43-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-57-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-69-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-67-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-73-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-71-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-65-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-63-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-61-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-59-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-7-0x0000000005CA0000-0x0000000005CB0000-memory.dmp

Filesize
64KB

Download
memory/3992-53-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-51-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-49-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-47-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-45-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-41-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-39-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-37-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-1-0x0000000000D50000-0x0000000001034000-memory.dmp

Filesize
2.9MB

Download
memory/3992-33-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-11-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-10-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-1954-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/3992-0-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/3992-2-0x0000000006090000-0x0000000006634000-memory.dmp

Filesize
5.6MB

Download
memory/3992-13-0x0000000005410000-0x0000000005477000-memory.dmp

Filesize
412KB

Download
memory/3992-3-0x0000000005A10000-0x0000000005AA2000-memory.dmp

Filesize
584KB

Download
memory/3992-4-0x0000000005CA0000-0x0000000005CB0000-memory.dmp

Filesize
64KB

Download
memory/3992-9-0x0000000005410000-0x000000000547E000-memory.dmp

Filesize
440KB

Download
memory/3992-5-0x0000000005BE0000-0x0000000005BEA000-memory.dmp

Filesize
40KB

Download
memory/3992-6-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/3992-8-0x00000000070B0000-0x00000000072BC000-memory.dmp

Filesize
2.0MB

Download
memory/5108-1957-0x00000000054F0000-0x0000000005500000-memory.dmp

Filesize
64KB

Download
memory/5108-1980-0x0000000006560000-0x00000000068B4000-memory.dmp

Filesize
3.3MB

Download
memory/5108-1971-0x00000000062C0000-0x0000000006326000-memory.dmp

Filesize
408KB

Download
memory/5108-1983-0x0000000006900000-0x000000000691E000-memory.dmp

Filesize
120KB

Download
memory/5108-1984-0x0000000006AF0000-0x0000000006B3C000-memory.dmp

Filesize
304KB

Download
memory/5108-1985-0x00000000054F0000-0x0000000005500000-memory.dmp

Filesize
64KB

Download
memory/5108-1986-0x000000007F7C0000-0x000000007F7D0000-memory.dmp

Filesize
64KB

Download
memory/5108-1998-0x0000000006EA0000-0x0000000006EBE000-memory.dmp

Filesize
120KB

Download
memory/5108-1999-0x0000000007AE0000-0x0000000007B83000-memory.dmp

Filesize
652KB

Download
memory/5108-1988-0x0000000070880000-0x00000000708CC000-memory.dmp

Filesize
304KB

Download
memory/5108-1987-0x00000000078A0000-0x00000000078D2000-memory.dmp

Filesize
200KB

Download
memory/5108-2003-0x0000000007C10000-0x0000000007C2A000-memory.dmp

Filesize
104KB

Download
memory/5108-1963-0x0000000006160000-0x00000000061C6000-memory.dmp

Filesize
408KB

Download
memory/5108-2002-0x0000000008250000-0x00000000088CA000-memory.dmp

Filesize
6.5MB

Download
memory/5108-2005-0x0000000007C80000-0x0000000007C8A000-memory.dmp

Filesize
40KB

Download
memory/5108-1962-0x0000000005A30000-0x0000000005A52000-memory.dmp

Filesize
136KB

Download
memory/5108-2007-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/5108-2008-0x00000000054F0000-0x0000000005500000-memory.dmp

Filesize
64KB

Download
memory/5108-2010-0x00000000054F0000-0x0000000005500000-memory.dmp

Filesize
64KB

Download
memory/5108-2011-0x0000000007EB0000-0x0000000007F46000-memory.dmp

Filesize
600KB

Download
memory/5108-1960-0x0000000005B30000-0x0000000006158000-memory.dmp

Filesize
6.2MB

Download
memory/5108-2015-0x00000000054F0000-0x0000000005500000-memory.dmp

Filesize
64KB

Download
memory/5108-2016-0x000000007F7C0000-0x000000007F7D0000-memory.dmp

Filesize
64KB

Download
memory/5108-2017-0x0000000007E30000-0x0000000007E41000-memory.dmp

Filesize
68KB

Download
memory/5108-2018-0x0000000005640000-0x000000000564E000-memory.dmp

Filesize
56KB

Download
memory/5108-2019-0x0000000007DD0000-0x0000000007DE4000-memory.dmp

Filesize
80KB

Download
memory/5108-2020-0x0000000007E50000-0x0000000007E6A000-memory.dmp

Filesize
104KB

Download
memory/5108-2021-0x0000000007DF0000-0x0000000007DF8000-memory.dmp

Filesize
32KB

Download
memory/5108-2024-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/5108-1959-0x00000000054F0000-0x0000000005500000-memory.dmp

Filesize
64KB

Download
memory/5108-1955-0x0000000005340000-0x0000000005376000-memory.dmp

Filesize
216KB

Download
memory/5108-1956-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download