blackmoon | 8d59657585b67cdc2b002f32b02e60edc5affcf69127eb514a149eb923766ab9

Analysis

max time kernel
111s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 20:11

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General

Target

03d3201912f828f2133dcfe2d63ccef0N.exe
Size

44KB
MD5

03d3201912f828f2133dcfe2d63ccef0
SHA1

a5f0f3e56472972832ddbbed942c67733b041589
SHA256

8d59657585b67cdc2b002f32b02e60edc5affcf69127eb514a149eb923766ab9
SHA512

62fbf6221e513078776dc86c54a2f3cd96f9bb52d9e0a19717ad0fe654518f21ebed8bb9eb945aa4e73a2d99107cb6bd8e838ec9e3a9d97cd96282b23a0590d1
SSDEEP

768:KmZ70XUP0K2I5f6VJiPy6jBZTCRoMUHIYhlDkYi0sDaF8QCFSXbyt/CSF7p97DyI:Kf2V2IOSXQoMUHFhSYr+DQLytpFF

Score

10^/10

blackmoon banker discovery trojan

Malware Config

Signatures

Blackmoon, KrBanker
Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.
trojan banker blackmoon

Detect Blackmoon payload 2 IoCs

resource	yara_rule
behavioral2/memory/2680-6-0x0000000000400000-0x000000000042A000-memory.dmp	family_blackmoon
behavioral2/memory/4224-10-0x0000000000400000-0x000000000042A000-memory.dmp	family_blackmoon

Executes dropped EXE 1 IoCs

pid	Process
4224	3lxxrlf.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	\??\c:\windows\friendl.dll	3lxxrlf.exe

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	03d3201912f828f2133dcfe2d63ccef0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3lxxrlf.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 4224	2680	03d3201912f828f2133dcfe2d63ccef0N.exe	83
PID 2680 wrote to memory of 4224	2680	03d3201912f828f2133dcfe2d63ccef0N.exe	83
PID 2680 wrote to memory of 4224	2680	03d3201912f828f2133dcfe2d63ccef0N.exe	83

C:\Users\Admin\AppData\Local\Temp\03d3201912f828f2133dcfe2d63ccef0N.exe
"C:\Users\Admin\AppData\Local\Temp\03d3201912f828f2133dcfe2d63ccef0N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680
- \??\c:\3lxxrlf.exe
  c:\3lxxrlf.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:4224

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:\3lxxrlf.exe

Filesize
44KB

MD5
009d938531a0763599db6e762338785d

SHA1
65643ed41dbba0b6b4945b917b84ca49242c646c

SHA256
b56fe8b36d64cae56cd027580e12a2a7d31d62d06531231da5cc4013ce34f45d

SHA512
24fe6695663a7267b16b536a40e8c0a3cd79df520f358b0ff654c62b586167781e9c5d9b0a011a8b35ef2555efb9ad2e5c6bfdc656f3b509aa04cfd28e5e843b

Download Submit
\??\c:\jl

Filesize
71B

MD5
3f5c87eec853622f9e811bc528087ba1

SHA1
88832d35bb8b4fe39e76720a3262992211d5305c

SHA256
55c402e3d92a52e7fa69ef6891b30eb483cf93dc4d150ae8a49b6d5e1986d058

SHA512
be0a9ae33c882f75f7352aff4deca486535f9a8a3ad078015db0f5c79c22a90e8f1a7b557d1e9e4796a64d32b9c432575f2519158d6faf66d4e107f0a34b11ea

Download Submit
memory/2680-0-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2680-6-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4224-10-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download