bitrat | 4431712d10e9f14bcbd31dba91597782d4a4edafa88ca78eb5118ff7446f4566

Analysis

max time kernel
148s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19-03-2024 20:52

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General

Target

z.ps1
Size

879B
MD5

b1b9f0a88530b0bab19a3df123950423
SHA1

7e9ac27ab2453fc444091d4768d90321941bc17f
SHA256

4431712d10e9f14bcbd31dba91597782d4a4edafa88ca78eb5118ff7446f4566
SHA512

19c41cbd459bd3f41275ce69729c6d17daadd3c85dd072d950d69b7f55d062febe502e1a62b98e2cf66a8a9f07e8cfc11dec811b343b1fb1dfc4f077cc6e1d07

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

193.233.132.136:4404

Attributes

communication_password
93d93f0d629d26b535ee4c950717ab2b
tor_process
tor

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat
Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

1 4168 powershell.exe

flow	pid	process
1	4168	powershell.exe

UPX packed file 43 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3320-21-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-25-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-26-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-28-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-27-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-29-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-31-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-32-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-33-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-34-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-35-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-36-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-37-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-39-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-40-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-41-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-42-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-46-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-47-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-48-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-49-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-50-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-51-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-52-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-53-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-54-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-55-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-56-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-57-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-58-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-59-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-60-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-61-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-62-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-63-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-64-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-65-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-69-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-73-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-77-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-81-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-85-0x0000000000400000-0x00000000007D2000-memory.dmp	upx
behavioral2/memory/3320-89-0x0000000000400000-0x00000000007D2000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

powershell.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft = "wscript //E:VBScript C:\\Users\\Public\\0x.log //Nologo"	powershell.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

RegSvcs.exe

pid process

3320 RegSvcs.exe
3320 RegSvcs.exe
3320 RegSvcs.exe
3320 RegSvcs.exe
3320 RegSvcs.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 4168 set thread context of 3320 4168 powershell.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exe

pid process

4168 powershell.exe
4168 powershell.exe
4168 powershell.exe
4168 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4168 powershell.exe
Token: SeShutdownPrivilege 3320 RegSvcs.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

RegSvcs.exe

pid process

3320 RegSvcs.exe
3320 RegSvcs.exe

pid	process
3320	RegSvcs.exe
3320	RegSvcs.exe
3320	RegSvcs.exe
3320	RegSvcs.exe
3320	RegSvcs.exe

description	pid	process	target process
PID 4168 set thread context of 3320	4168	powershell.exe	RegSvcs.exe

pid	process
4168	powershell.exe
4168	powershell.exe
4168	powershell.exe
4168	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4168	powershell.exe
Token: SeShutdownPrivilege	3320	RegSvcs.exe

pid	process
3320	RegSvcs.exe
3320	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

powershell.execmd.exe

description	pid	process	target process
PID 4168 wrote to memory of 1396	4168	powershell.exe	cmd.exe
PID 4168 wrote to memory of 1396	4168	powershell.exe	cmd.exe
PID 1396 wrote to memory of 832	1396	cmd.exe	attrib.exe
PID 1396 wrote to memory of 832	1396	cmd.exe	attrib.exe
PID 4168 wrote to memory of 3204	4168	powershell.exe	RegSvcs.exe
PID 4168 wrote to memory of 3204	4168	powershell.exe	RegSvcs.exe
PID 4168 wrote to memory of 3204	4168	powershell.exe	RegSvcs.exe
PID 4168 wrote to memory of 3320	4168	powershell.exe	RegSvcs.exe
PID 4168 wrote to memory of 3320	4168	powershell.exe	RegSvcs.exe
PID 4168 wrote to memory of 3320	4168	powershell.exe	RegSvcs.exe
PID 4168 wrote to memory of 3320	4168	powershell.exe	RegSvcs.exe
PID 4168 wrote to memory of 3320	4168	powershell.exe	RegSvcs.exe
PID 4168 wrote to memory of 3320	4168	powershell.exe	RegSvcs.exe
PID 4168 wrote to memory of 3320	4168	powershell.exe	RegSvcs.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exe

pid process

832 attrib.exe

pid	process
832	attrib.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\z.ps1
1⤵
- Blocklisted process makes network request
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4168
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c attrib +h C:\Users\Public\0x.log
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1396
- - C:\Windows\system32\attrib.exe
    attrib +h C:\Users\Public\0x.log
    3⤵
    - Views/modifies file attributes
    PID:832
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:3204
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3320

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1424 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
1⤵
PID:4904

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hbncbogi.i4g.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Public\0x.log

Filesize
62KB

MD5
34d6b90b676cf2fe59153c0c01b59278

SHA1
396c2789cf583c24b047976dc91584aa703c067a

SHA256
acec28de93d3ea0afc8d7101cadc56f07ef03492d1b398769c2d20e358b3b846

SHA512
f20cfcd266b691c70f530b92244dd80eddbd5a5c19d1c08bd6b330ff15217e8fef5ca221adabdc75fc2ac1cb4aae8e729073fe85e13c43a89f5cb56c0310af2f

Download Submit
memory/3320-39-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-73-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-89-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-85-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-77-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-40-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-69-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-65-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-64-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-63-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-21-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-62-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-25-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-26-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-28-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-27-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-29-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-30-0x00000000750F0000-0x0000000075129000-memory.dmp

Filesize
228KB

Download
memory/3320-31-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-32-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-33-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-34-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-35-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-36-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-37-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-38-0x0000000075580000-0x00000000755B9000-memory.dmp

Filesize
228KB

Download
memory/3320-81-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-61-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-50-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-42-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-46-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-47-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-48-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-49-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-41-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-51-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-52-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-53-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-54-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-55-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-56-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-57-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-58-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-59-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3320-60-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/4168-11-0x000001E77C2C0000-0x000001E77C2D0000-memory.dmp

Filesize
64KB

Download
memory/4168-24-0x00007FFAE3300000-0x00007FFAE3DC1000-memory.dmp

Filesize
10.8MB

Download
memory/4168-20-0x000001E763DE0000-0x000001E763DF2000-memory.dmp

Filesize
72KB

Download
memory/4168-19-0x000001E77C2C0000-0x000001E77C2D0000-memory.dmp

Filesize
64KB

Download
memory/4168-18-0x000001E77C2C0000-0x000001E77C2D0000-memory.dmp

Filesize
64KB

Download
memory/4168-17-0x000001E77C2C0000-0x000001E77C2D0000-memory.dmp

Filesize
64KB

Download
memory/4168-16-0x00007FFAE3300000-0x00007FFAE3DC1000-memory.dmp

Filesize
10.8MB

Download
memory/4168-10-0x00007FFAE3300000-0x00007FFAE3DC1000-memory.dmp

Filesize
10.8MB

Download
memory/4168-6-0x000001E763D90000-0x000001E763DB2000-memory.dmp

Filesize
136KB

Download
memory/4168-13-0x000001E77C2C0000-0x000001E77C2D0000-memory.dmp

Filesize
64KB

Download
memory/4168-12-0x000001E77C2C0000-0x000001E77C2D0000-memory.dmp

Filesize
64KB

Download