blackmoon | a18764e20c4eb44612d0f9bbca1850cc77080e963accc79b2332fda9d28cafed

Analysis

max time kernel
94s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2024, 21:30

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General

Target

a18764e20c4eb44612d0f9bbca1850cc77080e963accc79b2332fda9d28cafedN.exe
Size

3.8MB
MD5

787a9834382da76353da50d1f3457a20
SHA1

efac79372ddce4fd32330755c832bc350a9474f3
SHA256

a18764e20c4eb44612d0f9bbca1850cc77080e963accc79b2332fda9d28cafed
SHA512

f08f7b4424740b74bdde00a4ff963e02a8c65ddfaee03dcb0c18737fa79fcc5a388024c6df956cbd18033b4dac99a79aed7c0588adafb65e72467d12adf058b1
SSDEEP

49152:SGCOfN6X5tLLQTg20ITS/PPs/1kS4eKRL/SRsj0Zuur1T75YqVUrmNF98jm:X6XLq/qPPslzKx/dJg1ErmNL

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
behavioral2/memory/3988-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral2/files/0x000a000000023bff-4.dat	family_blackmoon
behavioral2/memory/3988-5-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral2/memory/3932-6-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon

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

Executes dropped EXE 1 IoCs

pid	Process
3932	bnbhbn.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3988-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral2/files/0x000a000000023bff-4.dat	upx
behavioral2/memory/3988-5-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral2/memory/3932-6-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3564	3932	WerFault.exe	82

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	a18764e20c4eb44612d0f9bbca1850cc77080e963accc79b2332fda9d28cafedN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bnbhbn.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3988 wrote to memory of 3932	3988	a18764e20c4eb44612d0f9bbca1850cc77080e963accc79b2332fda9d28cafedN.exe	82
PID 3988 wrote to memory of 3932	3988	a18764e20c4eb44612d0f9bbca1850cc77080e963accc79b2332fda9d28cafedN.exe	82
PID 3988 wrote to memory of 3932	3988	a18764e20c4eb44612d0f9bbca1850cc77080e963accc79b2332fda9d28cafedN.exe	82

C:\Users\Admin\AppData\Local\Temp\a18764e20c4eb44612d0f9bbca1850cc77080e963accc79b2332fda9d28cafedN.exe
"C:\Users\Admin\AppData\Local\Temp\a18764e20c4eb44612d0f9bbca1850cc77080e963accc79b2332fda9d28cafedN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3988
- \??\c:\bnbhbn.exe
  c:\bnbhbn.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3932
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 224
    3⤵
    - Program crash
    PID:3564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3932 -ip 3932
1⤵
PID:2236

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

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Downloads

\??\c:\bnbhbn.exe

Filesize
3.8MB

MD5
60c9a090ac4c721c5b5957b1f28702a4

SHA1
2a6be33b0d603fddde5ece4e4e6c8f8f80e666e4

SHA256
209823ee20969938659332f4c91e5d720911bfaf9c8120151ecce0d378a414fa

SHA512
b94f859a3f07bef9a357115cb8c88e7a4ff9dfe8e3b0f9dc0bc4dba9b3a9816eb2f70d062ab3a12f7f45b7f08d17ad678a5887b2df7b11bdecd5c4540344894f

Download Submit
memory/3932-6-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3988-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3988-5-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download