blackmoon | 45ee6693f429120d248d587d46d8326eeb62c2cb4523fd0474cafe7a833cf43d

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31/12/2024, 09:46

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General

Target

45ee6693f429120d248d587d46d8326eeb62c2cb4523fd0474cafe7a833cf43dN.exe
Size

2.3MB
MD5

c3e670b5f737cdb039065f85856a8b60
SHA1

3d8f2b12d3771f76b72f14aff1184df81226b26b
SHA256

45ee6693f429120d248d587d46d8326eeb62c2cb4523fd0474cafe7a833cf43d
SHA512

4ee19a3cf9ed97b24ec07e7a8f6706ea16cecac55565f8731d66250ad1f3aa6206c5ea462b4f6521f08e089f22698714019210db1a545e3e6458944ba867f247
SSDEEP

24576:3qzIIUgC8d36kLBXlnB8j7v5Ta+hLLQ20JmXSeWwa1oWJQjk0svTS/PPsbb1hwRV:3sCOfN6X5tLLQTg20ITS/PPs/1kS4ey

Score

10^/10

blackmoon njrat banker discovery trojan upx

Malware Config

Signatures

Blackmoon family
blackmoon
Blackmoon, KrBanker
Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.
trojan banker blackmoon

Detect Blackmoon payload 4 IoCs

resource	yara_rule
behavioral1/memory/1800-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral1/memory/1800-7-0x0000000000220000-0x0000000000248000-memory.dmp	family_blackmoon
behavioral1/files/0x0007000000012118-8.dat	family_blackmoon
behavioral1/memory/1800-6-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Executes dropped EXE 1 IoCs

pid	Process
2100	tnbhtn.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1800-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral1/memory/1800-7-0x0000000000220000-0x0000000000248000-memory.dmp	upx
behavioral1/files/0x0007000000012118-8.dat	upx
behavioral1/memory/1800-6-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3044	2100	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	45ee6693f429120d248d587d46d8326eeb62c2cb4523fd0474cafe7a833cf43dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tnbhtn.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 2100	1800	45ee6693f429120d248d587d46d8326eeb62c2cb4523fd0474cafe7a833cf43dN.exe	30
PID 1800 wrote to memory of 2100	1800	45ee6693f429120d248d587d46d8326eeb62c2cb4523fd0474cafe7a833cf43dN.exe	30
PID 1800 wrote to memory of 2100	1800	45ee6693f429120d248d587d46d8326eeb62c2cb4523fd0474cafe7a833cf43dN.exe	30
PID 1800 wrote to memory of 2100	1800	45ee6693f429120d248d587d46d8326eeb62c2cb4523fd0474cafe7a833cf43dN.exe	30
PID 2100 wrote to memory of 3044	2100	tnbhtn.exe	31
PID 2100 wrote to memory of 3044	2100	tnbhtn.exe	31
PID 2100 wrote to memory of 3044	2100	tnbhtn.exe	31
PID 2100 wrote to memory of 3044	2100	tnbhtn.exe	31

C:\Users\Admin\AppData\Local\Temp\45ee6693f429120d248d587d46d8326eeb62c2cb4523fd0474cafe7a833cf43dN.exe
"C:\Users\Admin\AppData\Local\Temp\45ee6693f429120d248d587d46d8326eeb62c2cb4523fd0474cafe7a833cf43dN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1800
- \??\c:\tnbhtn.exe
  c:\tnbhtn.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 36
    3⤵
    - Program crash
    PID:3044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\tnbhtn.exe

Filesize
2.3MB

MD5
9a6a661b5f67b4cd80d85e37281f06d4

SHA1
bb7243c393a2d0bbc86a1ab41eec432d517652ed

SHA256
801a6467cb330a6cd3603889a7fac7ae6eb6783dea34e747043692a1e047e212

SHA512
d5dc73c9ee02bcafb5c0bc6c1899937fb84c13a9340597239b85fe5ab5b5a674012868d91e81d2be561d211734e8738dcaa901105026dc6088e39205f43c8439

Download Submit
memory/1800-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1800-7-0x0000000000220000-0x0000000000248000-memory.dmp

Filesize
160KB

Download
memory/1800-6-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download