blacknet | ce52605de786f0cc40c456b8de0742fe8d6f0b426de812033a901f08168d1d35

Analysis

max time kernel
5s
max time network
76s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
30-03-2024 17:43

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General

Target

40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
Size

131KB
MD5

40ba4ae347f750e4d71f06f7982c8c67
SHA1

5d6512146cbafb7d2545ca57fb4cbb2e7ec99c98
SHA256

ce52605de786f0cc40c456b8de0742fe8d6f0b426de812033a901f08168d1d35
SHA512

8967e67fa7b8d135036d719fa3fb0688da37336d4ec48b07442dbc123454f8c8540d161150ca571795562101c32b05cec061d782f921bcb04b73dea8dfca9240
SSDEEP

1536:6W27RutYPWEB9iefYRTCCaH2pw3bv4UFZL209s7MzhLbbATOX1A/Zkjn1Rr:qJwTC72pw3bvLFxEM8Rkj7

Score

10^/10

blacknet evasion persistence trojan

Malware Config

Signatures

BlackNET
BlackNET is an open source remote access tool written in VB.NET.
trojan blacknet

BlackNET payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/files/0x00020000000228bf-21.dat	family_blacknet

Contains code to disable Windows Defender 1 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

Processes:

resource	yara_rule
behavioral2/files/0x00020000000228bf-21.dat	disable_win_def

Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

Processes:

40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\a4f5fc179540a0b155d91b489e6811e2 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe"	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe

pid	Process
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe

description	pid	Process
Token: SeDebugPrivilege	3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe

pid	Process
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe

description	pid	Process	procid_target
PID 3332 wrote to memory of 648	3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe	89
PID 3332 wrote to memory of 648	3332	40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe"
1⤵
- Modifies Windows Defender Real-time Protection settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3332
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" Get-MpPreference -verbose
  2⤵
  PID:648
- C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe
  "C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe"
  2⤵
  PID:888
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell" Get-MpPreference -verbose
    3⤵
    PID:2780
- C:\Users\Admin\AppData\Local\Temp\svchosts.exe
  "C:\Users\Admin\AppData\Local\Temp\svchosts.exe"
  2⤵
  PID:1932
- - C:\Users\Admin\AppData\Local\Temp\40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe"
    3⤵
    PID:1920
- - C:\Users\Admin\AppData\Local\Temp\40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe"
    3⤵
    PID:4288
- - C:\Users\Admin\AppData\Local\Temp\40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe"
    3⤵
    PID:4432
- - C:\Users\Admin\AppData\Local\Temp\40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe"
    3⤵
    PID:1496
- - C:\Users\Admin\AppData\Local\Temp\40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe"
    3⤵
    PID:4324
- - C:\Users\Admin\AppData\Local\Temp\40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe"
    3⤵
    PID:3840
- - C:\Users\Admin\AppData\Local\Temp\40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe"
    3⤵
    PID:4304
- - C:\Users\Admin\AppData\Local\Temp\40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe"
    3⤵
    PID:5276

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

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\Microsoft\CLR_v2.0\UsageLogs\40ba4ae347f750e4d71f06f7982c8c67_JaffaCakes118.exe.log

Filesize
866B

MD5
d7d09fe4ff702ba9f25d5f48923708b6

SHA1
85ce2b7a1c9a4c3252fc9f471cf13ad50ad2cf65

SHA256
ae5b9b53869ba7b6bf99b07cb09c9ce9ff11d4abbbb626570390f9fba4f6f462

SHA512
500a313cc36a23302763d6957516640c981da2fbab691c8b66518f5b0051e25dfb1b09449efff526eab707fa1be36ef9362286869c82b3800e42d2d8287ef1cf

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
59d97011e091004eaffb9816aa0b9abd

SHA1
1602a56b01dd4b7c577ca27d3117e4bcc1aa657b

SHA256
18f381e0db020a763b8c515c346ef58679ab9c403267eacfef5359e272f7e71d

SHA512
d9ca49c1a17580981e2c1a50d73c0eecaa7a62f8514741512172e395af2a3d80aeb0f71c58bc7f52c18246d57ba67af09b6bff4776877d6cc6f0245c30e092d6

Download Submit
C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe

Filesize
131KB

MD5
40ba4ae347f750e4d71f06f7982c8c67

SHA1
5d6512146cbafb7d2545ca57fb4cbb2e7ec99c98

SHA256
ce52605de786f0cc40c456b8de0742fe8d6f0b426de812033a901f08168d1d35

SHA512
8967e67fa7b8d135036d719fa3fb0688da37336d4ec48b07442dbc123454f8c8540d161150ca571795562101c32b05cec061d782f921bcb04b73dea8dfca9240

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_buvct2hm.a0p.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchosts.exe

Filesize
17KB

MD5
89dd6e72358a669b7d6e2348307a7af7

SHA1
0db348f3c6114a45d71f4d218e0e088b71c7bb0a

SHA256
ad34794058212006ae974fcc6a0242598e6d020f08044439e3512773cd402b7e

SHA512
93b8a47686d7491281a0809b138a6244a535302ba0d6b2146849e9888632c72b6223ae8eb7a24f1006aaf57ab947a8f43719cff4837df559e7bf42f52c63856b

Download Submit
memory/648-41-0x0000023BA2830000-0x0000023BA2852000-memory.dmp

Filesize
136KB

Download
memory/648-17-0x00007FF95C280000-0x00007FF95CD41000-memory.dmp

Filesize
10.8MB

Download
memory/648-27-0x0000023BA2890000-0x0000023BA28A0000-memory.dmp

Filesize
64KB

Download
memory/648-77-0x00007FF95C280000-0x00007FF95CD41000-memory.dmp

Filesize
10.8MB

Download
memory/648-73-0x00007FF95C280000-0x00007FF95CD41000-memory.dmp

Filesize
10.8MB

Download
memory/888-69-0x00000000012C0000-0x00000000012D0000-memory.dmp

Filesize
64KB

Download
memory/888-89-0x00000000012C0000-0x00000000012D0000-memory.dmp

Filesize
64KB

Download
memory/888-2724-0x00000000012C0000-0x00000000012D0000-memory.dmp

Filesize
64KB

Download
memory/888-1827-0x00000000012C0000-0x00000000012D0000-memory.dmp

Filesize
64KB

Download
memory/888-74-0x00000000012C0000-0x00000000012D0000-memory.dmp

Filesize
64KB

Download
memory/888-72-0x00000000012C0000-0x00000000012D0000-memory.dmp

Filesize
64KB

Download
memory/888-721-0x00000000012C0000-0x00000000012D0000-memory.dmp

Filesize
64KB

Download
memory/888-61-0x00007FF9603F0000-0x00007FF960D91000-memory.dmp

Filesize
9.6MB

Download
memory/888-94-0x00000000012C0000-0x00000000012D0000-memory.dmp

Filesize
64KB

Download
memory/888-70-0x00000000012C0000-0x00000000012D0000-memory.dmp

Filesize
64KB

Download
memory/888-64-0x00007FF9603F0000-0x00007FF960D91000-memory.dmp

Filesize
9.6MB

Download
memory/888-62-0x00000000012C0000-0x00000000012D0000-memory.dmp

Filesize
64KB

Download
memory/888-87-0x00007FF9603F0000-0x00007FF960D91000-memory.dmp

Filesize
9.6MB

Download
memory/1920-88-0x000000000116A000-0x000000000116F000-memory.dmp

Filesize
20KB

Download
memory/1920-81-0x00007FF9603F0000-0x00007FF960D91000-memory.dmp

Filesize
9.6MB

Download
memory/1920-80-0x00007FF9603F0000-0x00007FF960D91000-memory.dmp

Filesize
9.6MB

Download
memory/1920-90-0x00007FF9603F0000-0x00007FF960D91000-memory.dmp

Filesize
9.6MB

Download
memory/1920-83-0x0000000001160000-0x0000000001170000-memory.dmp

Filesize
64KB

Download
memory/1920-82-0x0000000001160000-0x0000000001170000-memory.dmp

Filesize
64KB

Download
memory/1932-804-0x0000000000E60000-0x0000000000E70000-memory.dmp

Filesize
64KB

Download
memory/1932-86-0x00007FF9603F0000-0x00007FF960D91000-memory.dmp

Filesize
9.6MB

Download
memory/1932-68-0x00007FF9603F0000-0x00007FF960D91000-memory.dmp

Filesize
9.6MB

Download
memory/1932-84-0x0000000000E60000-0x0000000000E70000-memory.dmp

Filesize
64KB

Download
memory/1932-71-0x0000000000E60000-0x0000000000E70000-memory.dmp

Filesize
64KB

Download
memory/1932-67-0x00007FF9603F0000-0x00007FF960D91000-memory.dmp

Filesize
9.6MB

Download
memory/1932-65-0x0000000000E60000-0x0000000000E70000-memory.dmp

Filesize
64KB

Download
memory/2780-93-0x000001EE73440000-0x000001EE73450000-memory.dmp

Filesize
64KB

Download
memory/2780-1638-0x000001EE73440000-0x000001EE73450000-memory.dmp

Filesize
64KB

Download
memory/2780-92-0x000001EE73440000-0x000001EE73450000-memory.dmp

Filesize
64KB

Download
memory/2780-91-0x00007FF95C530000-0x00007FF95CFF1000-memory.dmp

Filesize
10.8MB

Download
memory/3332-6-0x0000000001300000-0x0000000001308000-memory.dmp

Filesize
32KB

Download
memory/3332-13-0x0000000020D70000-0x0000000020E70000-memory.dmp

Filesize
1024KB

Download
memory/3332-3-0x000000001C0D0000-0x000000001C59E000-memory.dmp

Filesize
4.8MB

Download
memory/3332-2-0x0000000001520000-0x0000000001530000-memory.dmp

Filesize
64KB

Download
memory/3332-4-0x000000001C5A0000-0x000000001C63C000-memory.dmp

Filesize
624KB

Download
memory/3332-0-0x000000001BA10000-0x000000001BAB6000-memory.dmp

Filesize
664KB

Download
memory/3332-66-0x00007FF9603F0000-0x00007FF960D91000-memory.dmp

Filesize
9.6MB

Download
memory/3332-5-0x00007FF9603F0000-0x00007FF960D91000-memory.dmp

Filesize
9.6MB

Download
memory/3332-7-0x000000001C720000-0x000000001C76C000-memory.dmp

Filesize
304KB

Download
memory/3332-58-0x00007FF9603F0000-0x00007FF960D91000-memory.dmp

Filesize
9.6MB

Download
memory/3332-31-0x0000000001520000-0x0000000001530000-memory.dmp

Filesize
64KB

Download
memory/3332-30-0x0000000020D70000-0x0000000020E70000-memory.dmp

Filesize
1024KB

Download
memory/3332-29-0x00007FF9603F0000-0x00007FF960D91000-memory.dmp

Filesize
9.6MB

Download
memory/3332-28-0x0000000020D70000-0x0000000020E70000-memory.dmp

Filesize
1024KB

Download
memory/3332-14-0x0000000020D70000-0x0000000020E70000-memory.dmp

Filesize
1024KB

Download
memory/3332-1-0x00007FF9603F0000-0x00007FF960D91000-memory.dmp

Filesize
9.6MB

Download
memory/3332-12-0x000000001FD60000-0x000000001FDC2000-memory.dmp

Filesize
392KB

Download
memory/3332-11-0x0000000001520000-0x0000000001530000-memory.dmp

Filesize
64KB

Download
memory/3332-8-0x0000000001520000-0x0000000001530000-memory.dmp

Filesize
64KB

Download
memory/3332-9-0x0000000001520000-0x0000000001530000-memory.dmp

Filesize
64KB

Download
memory/3332-10-0x0000000001520000-0x0000000001530000-memory.dmp

Filesize
64KB

Download
memory/4288-1343-0x00007FF9603F0000-0x00007FF960D91000-memory.dmp

Filesize
9.6MB

Download
memory/4288-1126-0x0000000001960000-0x0000000001970000-memory.dmp

Filesize
64KB

Download
memory/4288-1926-0x0000000001960000-0x0000000001970000-memory.dmp

Filesize
64KB

Download
memory/4288-2033-0x0000000001960000-0x0000000001970000-memory.dmp

Filesize
64KB

Download
memory/4288-1073-0x00007FF9603F0000-0x00007FF960D91000-memory.dmp

Filesize
9.6MB

Download
memory/4288-2900-0x0000000001960000-0x0000000001970000-memory.dmp

Filesize
64KB

Download
memory/4288-2940-0x0000000001960000-0x0000000001970000-memory.dmp

Filesize
64KB

Download
memory/4288-3101-0x00007FF9603F0000-0x00007FF960D91000-memory.dmp

Filesize
9.6MB

Download