blackmoon | b5dfd68d0085e04fa7f609b29f598fc7ea7ee7aa41a542f5195efc2c67038fe4

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24/11/2024, 18:11

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General

Target

b5dfd68d0085e04fa7f609b29f598fc7ea7ee7aa41a542f5195efc2c67038fe4.exe
Size

3.8MB
MD5

55bce90441ab33f3a3614d09f6e5a817
SHA1

97bfca4cd7a9433de2dc0772d43c5912dc6f0ff0
SHA256

b5dfd68d0085e04fa7f609b29f598fc7ea7ee7aa41a542f5195efc2c67038fe4
SHA512

109b42317ac2ead586f00a40501933f70a5e025f5fc56c8a128871c623659dc3096a0196e7ac35bf19c27ecf8006207dbd46578607d10af196338c52c173aba9
SSDEEP

49152:SGCOfN6X5tLLQTg20ITS/PPs/1kS4eKRL/SRsj0Zuur1T75YqVUrmNF98jW:X6XLq/qPPslzKx/dJg1ErmNT

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/3568-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral2/files/0x000c000000023b9a-3.dat	family_blackmoon
behavioral2/memory/4556-4-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral2/memory/3568-6-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon

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

Executes dropped EXE 1 IoCs

pid	Process
4556	ttthtn.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3568-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral2/files/0x000c000000023b9a-3.dat	upx
behavioral2/memory/4556-4-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral2/memory/3568-6-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4808	4556	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	b5dfd68d0085e04fa7f609b29f598fc7ea7ee7aa41a542f5195efc2c67038fe4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ttthtn.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3568 wrote to memory of 4556	3568	b5dfd68d0085e04fa7f609b29f598fc7ea7ee7aa41a542f5195efc2c67038fe4.exe	82
PID 3568 wrote to memory of 4556	3568	b5dfd68d0085e04fa7f609b29f598fc7ea7ee7aa41a542f5195efc2c67038fe4.exe	82
PID 3568 wrote to memory of 4556	3568	b5dfd68d0085e04fa7f609b29f598fc7ea7ee7aa41a542f5195efc2c67038fe4.exe	82

C:\Users\Admin\AppData\Local\Temp\b5dfd68d0085e04fa7f609b29f598fc7ea7ee7aa41a542f5195efc2c67038fe4.exe
"C:\Users\Admin\AppData\Local\Temp\b5dfd68d0085e04fa7f609b29f598fc7ea7ee7aa41a542f5195efc2c67038fe4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3568
- \??\c:\ttthtn.exe
  c:\ttthtn.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4556
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4556 -s 224
    3⤵
    - Program crash
    PID:4808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4556 -ip 4556
1⤵
PID:2104

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:\ttthtn.exe

Filesize
3.8MB

MD5
ea4cf9b56df0cd105119749dda7a9fad

SHA1
4c509fa9e8d206e28aafd473dc506c6ba94e34a5

SHA256
c30e31cbbe76346ee09b358c8bb42cbbce90898c0d27e3a42b0233a72199606a

SHA512
f2db7737ef7f6499f470c11a21a17ffb97a6283ed9ea815c46fe3e96803a6f4fb1ad82bade4169f5d37c5b2e73231829aa9345ff0b5d9b745685d7a65d4a68cf

Download Submit
memory/3568-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3568-6-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4556-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download