blackmoon | a3779fc0e5cc0845faab56b3bd00bcc4dfbc289ba8f645d4d4fc4ae6834248fc

Analysis

max time kernel
116s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-10-2024 23:39

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General

Target

a3779fc0e5cc0845faab56b3bd00bcc4dfbc289ba8f645d4d4fc4ae6834248fcN.exe
Size

3.8MB
MD5

606b97ece0952eaa2da4cffa96e1fab0
SHA1

12054550a8c1fc0bd9458d82abc2a0d93286fd5e
SHA256

a3779fc0e5cc0845faab56b3bd00bcc4dfbc289ba8f645d4d4fc4ae6834248fc
SHA512

13c271574f6c647eb9065b2ab20290aa60fb76f61b0c12162ffecf9eb784e6c65d48d6d2a573c8de981b27dd692ee8ce5c8e5d072b6c8d76501bad7f3ca43b01
SSDEEP

49152:IsCOfN6X5tLLQTg20ITS/PPs/1kS4eKRL/SRsj0Zuur1T75YqVUrmNF98F:76XLq/qPPslzKx/dJg1ErmNC

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

Processes:

resource	yara_rule
behavioral2/memory/1612-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral2/files/0x000c000000023b14-3.dat	family_blackmoon
behavioral2/memory/2852-5-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral2/memory/1612-6-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon

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

Executes dropped EXE 1 IoCs

Processes:

ttbttn.exe

pid	Process
2852	ttbttn.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1612-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral2/files/0x000c000000023b14-3.dat	upx
behavioral2/memory/2852-5-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral2/memory/1612-6-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
952	2852	WerFault.exe	84

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

Processes:

ttbttn.exea3779fc0e5cc0845faab56b3bd00bcc4dfbc289ba8f645d4d4fc4ae6834248fcN.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ttbttn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a3779fc0e5cc0845faab56b3bd00bcc4dfbc289ba8f645d4d4fc4ae6834248fcN.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

a3779fc0e5cc0845faab56b3bd00bcc4dfbc289ba8f645d4d4fc4ae6834248fcN.exe

description	pid	Process	procid_target
PID 1612 wrote to memory of 2852	1612	a3779fc0e5cc0845faab56b3bd00bcc4dfbc289ba8f645d4d4fc4ae6834248fcN.exe	84
PID 1612 wrote to memory of 2852	1612	a3779fc0e5cc0845faab56b3bd00bcc4dfbc289ba8f645d4d4fc4ae6834248fcN.exe	84
PID 1612 wrote to memory of 2852	1612	a3779fc0e5cc0845faab56b3bd00bcc4dfbc289ba8f645d4d4fc4ae6834248fcN.exe	84

C:\Users\Admin\AppData\Local\Temp\a3779fc0e5cc0845faab56b3bd00bcc4dfbc289ba8f645d4d4fc4ae6834248fcN.exe
"C:\Users\Admin\AppData\Local\Temp\a3779fc0e5cc0845faab56b3bd00bcc4dfbc289ba8f645d4d4fc4ae6834248fcN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1612
- \??\c:\ttbttn.exe
  c:\ttbttn.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2852
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 224
    3⤵
    - Program crash
    PID:952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2852 -ip 2852
1⤵
PID:4816

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:\ttbttn.exe

Filesize
3.8MB

MD5
7da0ba6e2ab0d101accaa517958a98b7

SHA1
dc7e6cd4c924b94907b4e32f4e71237189d80c8e

SHA256
6940e36eb7150a63a910e0d4bb402305cc6b61df6fb2bb2a6d529ac9a75b7d89

SHA512
511e118cc0f99115d19d651ef85d65cfe3476d997c0d4d0b436b5d93a59f06ece5ec0d22b14e1d03f14d916327cc4093375fe754d84f86a7a32e84d356917841

Download Submit
memory/1612-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1612-6-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2852-5-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download