blackmoon | 552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752

Analysis

max time kernel
16s
max time network
22s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
31/12/2024, 16:30

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General

Target

552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752.exe
Size

2.3MB
MD5

bc055ee1a3e93a1f1cadb666d073aa39
SHA1

3a0d99190c69380ce01a088d7b8850debe4cf0f8
SHA256

552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752
SHA512

e77c8e75f9b1bce8136ebdb1807915f81c37d80f03e29b55cde6ee3c1755484b312254f86264ccc7dac54e65d68e4a7a4987b615af1b0f9fd2c986d6c3a36988
SSDEEP

24576:3qzIIUgC8d36kLBXlnB8j7v5Ta+hLLQ20JmXSeWwa1oWJQjk0svTS/PPsbb1hwRn:3sCOfN6X5tLLQTg20ITS/PPs/1kS4eW

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/1856-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral1/files/0x00080000000120fd-7.dat	family_blackmoon
behavioral1/memory/1856-6-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral1/memory/2956-8-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon

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

Executes dropped EXE 1 IoCs

pid	Process
2956	thnnth.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1856-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral1/files/0x00080000000120fd-7.dat	upx
behavioral1/memory/1856-6-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral1/memory/2956-8-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1480	2956	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	552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	thnnth.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 2956	1856	552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752.exe	30
PID 1856 wrote to memory of 2956	1856	552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752.exe	30
PID 1856 wrote to memory of 2956	1856	552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752.exe	30
PID 1856 wrote to memory of 2956	1856	552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752.exe	30
PID 2956 wrote to memory of 1480	2956	thnnth.exe	31
PID 2956 wrote to memory of 1480	2956	thnnth.exe	31
PID 2956 wrote to memory of 1480	2956	thnnth.exe	31
PID 2956 wrote to memory of 1480	2956	thnnth.exe	31

C:\Users\Admin\AppData\Local\Temp\552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752.exe
"C:\Users\Admin\AppData\Local\Temp\552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1856
- \??\c:\thnnth.exe
  c:\thnnth.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2956
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 36
    3⤵
    - Program crash
    PID:1480

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:\thnnth.exe

Filesize
2.3MB

MD5
d177c387382433e1d1b51bd2dab70bd4

SHA1
c57c8714574ba4288ba5f1a3e2006cba1fbce698

SHA256
5d484cb3383416edea492533864afb1b41ba6cc6c6af889f0b76c569b895017c

SHA512
3ccc0cd124d0ad0dddfc53c8ce3340fe668f669aa2214cad5180e88d48874b07f280e74c4283b886ad1de6927dd275296db8374ccbdab26784897932aca150ee

Download Submit
memory/1856-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1856-6-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2956-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download