blackmoon | ea70763cc536f206af69005b5df0e7da9a622bb676a1fa3bc7a00151ced15962

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2024 11:31

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General

Target

ea70763cc536f206af69005b5df0e7da9a622bb676a1fa3bc7a00151ced15962N.exe
Size

3.8MB
MD5

a4f21876ac5aec30d284a8bfb43f5400
SHA1

3d11289529c98e0c14f99d6b06607ab10dead776
SHA256

ea70763cc536f206af69005b5df0e7da9a622bb676a1fa3bc7a00151ced15962
SHA512

27fe2d69e57c1684eb7edc8c0c07092b0e72820d4195556a512752b1fc9864736f1943884f30a9e0dd629a170313aa1830c1d911562e3638eaebf7afec1fc27f
SSDEEP

49152:3sCOfN6X5tLLQTg20ITS/PPs/1kS4eKRL/SRsj0Zuur1T75YqVUrmNF98x:Q6XLq/qPPslzKx/dJg1ErmNg

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/3372-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral2/files/0x0008000000023c94-3.dat	family_blackmoon
behavioral2/memory/1136-4-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral2/memory/3372-6-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon

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

Executes dropped EXE 1 IoCs

pid	Process
1136	xxxxxrl.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3372-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral2/files/0x0008000000023c94-3.dat	upx
behavioral2/memory/1136-4-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral2/memory/3372-6-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3600	1136	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea70763cc536f206af69005b5df0e7da9a622bb676a1fa3bc7a00151ced15962N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xxxxxrl.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3372 wrote to memory of 1136	3372	ea70763cc536f206af69005b5df0e7da9a622bb676a1fa3bc7a00151ced15962N.exe	84
PID 3372 wrote to memory of 1136	3372	ea70763cc536f206af69005b5df0e7da9a622bb676a1fa3bc7a00151ced15962N.exe	84
PID 3372 wrote to memory of 1136	3372	ea70763cc536f206af69005b5df0e7da9a622bb676a1fa3bc7a00151ced15962N.exe	84

C:\Users\Admin\AppData\Local\Temp\ea70763cc536f206af69005b5df0e7da9a622bb676a1fa3bc7a00151ced15962N.exe
"C:\Users\Admin\AppData\Local\Temp\ea70763cc536f206af69005b5df0e7da9a622bb676a1fa3bc7a00151ced15962N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3372
- \??\c:\xxxxxrl.exe
  c:\xxxxxrl.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1136
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1136 -s 224
    3⤵
    - Program crash
    PID:3600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1136 -ip 1136
1⤵
PID:4676

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:\xxxxxrl.exe

Filesize
3.8MB

MD5
2b8085265f30fe3939681f9a7ffd57fe

SHA1
b22f96a13803ab8dd43af900e0835d5465a6d7cb

SHA256
597210c75f2866d133fb4b3d204755dc0709c5355326e5e24f024723f9785c51

SHA512
ab60de2c8b655285f2041e0617ed0430a71bfa4d129f1c1c28b38d90c3c158dda593262e865e938f1dd0cd41703d441d9ffb224251769215ca4c8c9cdd7eddab

Download Submit
memory/1136-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3372-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3372-6-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download