blacknet | 76844c2401ac24b85e662d65f5007dc193e81df6c9493963c8e09de55f98cdfa

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-02-2024 21:38

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General

Target

acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
Size

45KB
MD5

acea5fb0f0dd0ad6e33cedbaed6fdbd9
SHA1

b8c8d170b78ba0f117fc13ddb1ace03efd2a8b0b
SHA256

76844c2401ac24b85e662d65f5007dc193e81df6c9493963c8e09de55f98cdfa
SHA512

adb12002574276b0357e5971d3fd9c7a9e57a3d34800693ce5f357d09f548051819376f669a1727db363566aa9574b11edb0fec89e55ac5c7df88275ac0f179b
SSDEEP

768:RcQQj5JBXsahUBZGa1jRY+JPPtTVv04Ap+aTV5fbfts6hs/a0fC:lQj5TXgGapGoVVvB43jbfts6h70fC

Score

10^/10

blacknet 83pe2q trojan

Malware Config

Extracted

Family

blacknet

Version

v3.7.0 Public

Botnet

83pE2q

http://100.26.17.80

Mutex

BN[e3f2e5808feda59aa28196]

Attributes

antivm
false
elevate_uac
false
install_name
WindowsUpdate.exe
splitter
|BN|
start_name
a1c8373d971dfcd2057c69646c6c3502
startup
false
usb_spread
false

Signatures

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

BlackNET payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2872-0-0x0000000000B50000-0x0000000000B62000-memory.dmp	family_blacknet

Deletes itself 1 IoCs

Processes:

cmd.exe

pid	Process
2788	cmd.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
1052	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe

pid	Process
2872	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
2872	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe

description	pid	Process
Token: SeDebugPrivilege	2872	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe

pid	Process
2872	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
2872	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

acea5fb0f0dd0ad6e33cedbaed6fdbd9.execmd.exe

description	pid	Process	procid_target
PID 2872 wrote to memory of 2788	2872	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe	31
PID 2872 wrote to memory of 2788	2872	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe	31
PID 2872 wrote to memory of 2788	2872	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe	31
PID 2788 wrote to memory of 1052	2788	cmd.exe	33
PID 2788 wrote to memory of 1052	2788	cmd.exe	33
PID 2788 wrote to memory of 1052	2788	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
"C:\Users\Admin\AppData\Local\Temp\acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 1.1.1.1 -n 5 -w 5000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2788
- - C:\Windows\system32\PING.EXE
    ping 1.1.1.1 -n 5 -w 5000
    3⤵
    - Runs ping.exe
    PID:1052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2872-0-0x0000000000B50000-0x0000000000B62000-memory.dmp

Filesize
72KB

Download
memory/2872-1-0x000007FEF4E40000-0x000007FEF582C000-memory.dmp

Filesize
9.9MB

Download
memory/2872-2-0x000000001B0E0000-0x000000001B160000-memory.dmp

Filesize
512KB

Download
memory/2872-3-0x000000001B0E0000-0x000000001B160000-memory.dmp

Filesize
512KB

Download
memory/2872-4-0x000000001B0E0000-0x000000001B160000-memory.dmp

Filesize
512KB

Download
memory/2872-5-0x000007FEF4E40000-0x000007FEF582C000-memory.dmp

Filesize
9.9MB

Download
memory/2872-6-0x000000001B0E0000-0x000000001B160000-memory.dmp

Filesize
512KB

Download
memory/2872-7-0x000007FEF4E40000-0x000007FEF582C000-memory.dmp

Filesize
9.9MB

Download