blacknet | 76844c2401ac24b85e662d65f5007dc193e81df6c9493963c8e09de55f98cdfa

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

C2

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 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4232-0-0x000001EF77B70000-0x000001EF77B82000-memory.dmp	family_blacknet
behavioral2/memory/4232-2-0x000001EF7A090000-0x000001EF7A0A0000-memory.dmp	family_blacknet
behavioral2/memory/4232-8-0x000001EF7A090000-0x000001EF7A0A0000-memory.dmp	family_blacknet

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation	acea5fb0f0dd0ad6e33cedbaed6fdbd9.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
2228	PING.EXE

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe

pid	Process
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe

description	pid	Process
Token: SeDebugPrivilege	4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe

pid	Process
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

acea5fb0f0dd0ad6e33cedbaed6fdbd9.execmd.exe

description	pid	Process	procid_target
PID 4232 wrote to memory of 1276	4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe	100
PID 4232 wrote to memory of 1276	4232	acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe	100
PID 1276 wrote to memory of 2228	1276	cmd.exe	102
PID 1276 wrote to memory of 2228	1276	cmd.exe	102

C:\Users\Admin\AppData\Local\Temp\acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
"C:\Users\Admin\AppData\Local\Temp\acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4232
- 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⤵
  - Suspicious use of WriteProcessMemory
  PID:1276
- - C:\Windows\system32\PING.EXE
    ping 1.1.1.1 -n 5 -w 5000
    3⤵
    - Runs ping.exe
    PID:2228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4232-0-0x000001EF77B70000-0x000001EF77B82000-memory.dmp

Filesize
72KB

Download
memory/4232-1-0x00007FFAAEA70000-0x00007FFAAF531000-memory.dmp

Filesize
10.8MB

Download
memory/4232-2-0x000001EF7A090000-0x000001EF7A0A0000-memory.dmp

Filesize
64KB

Download
memory/4232-3-0x000001EF7A090000-0x000001EF7A0A0000-memory.dmp

Filesize
64KB

Download
memory/4232-4-0x000001EF7A090000-0x000001EF7A0A0000-memory.dmp

Filesize
64KB

Download
memory/4232-5-0x000001EF7A2B0000-0x000001EF7AA07000-memory.dmp

Filesize
7.3MB

Download
memory/4232-6-0x00007FFAAEA70000-0x00007FFAAF531000-memory.dmp

Filesize
10.8MB

Download
memory/4232-8-0x000001EF7A090000-0x000001EF7A0A0000-memory.dmp

Filesize
64KB

Download
memory/4232-9-0x000001EF7A090000-0x000001EF7A0A0000-memory.dmp

Filesize
64KB

Download
memory/4232-10-0x000001EF7A090000-0x000001EF7A0A0000-memory.dmp

Filesize
64KB

Download
memory/4232-14-0x000001EF7A2B0000-0x000001EF7AA07000-memory.dmp

Filesize
7.3MB

Download
memory/4232-15-0x00007FFAAEA70000-0x00007FFAAF531000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads