blackmoon | cb41599edbb9f1ee4a666d1721c3a0aac923f11fa52a2dbab188fa374982d260

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-09-2024 06:01

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General

Target

cb41599edbb9f1ee4a666d1721c3a0aac923f11fa52a2dbab188fa374982d260.exe
Size

1.9MB
MD5

5a1ffbc2508471b364bba3a5915a47cd
SHA1

21a3190e330dc6a4840ce8e01b1e8a9beaf8c0d4
SHA256

cb41599edbb9f1ee4a666d1721c3a0aac923f11fa52a2dbab188fa374982d260
SHA512

b7adcc0b243a2b4a3faf944f9500fa944bc1041141ce2364d268884d5fb8d107ef3e02becfd1519c4eecabd7febbc6adf0e8ae1adb77a38c3d9131826b61b466
SSDEEP

49152:IVYZ/JLLqcM5TG43qeSmZLHB38at8E5DjD43upiSjj5on:OYZJbmqVm9B1Fs329

Score

10^/10

blackmoon banker discovery trojan upx

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
behavioral1/memory/1552-1-0x0000000010000000-0x00000000100B3000-memory.dmp	family_blackmoon
behavioral1/memory/1552-6-0x0000000000400000-0x000000000076F000-memory.dmp	family_blackmoon

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1552-0-0x0000000000400000-0x000000000076F000-memory.dmp	upx
behavioral1/memory/1552-6-0x0000000000400000-0x000000000076F000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\zip.dll	cb41599edbb9f1ee4a666d1721c3a0aac923f11fa52a2dbab188fa374982d260.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2172	1552	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 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	cb41599edbb9f1ee4a666d1721c3a0aac923f11fa52a2dbab188fa374982d260.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1552	cb41599edbb9f1ee4a666d1721c3a0aac923f11fa52a2dbab188fa374982d260.exe
1552	cb41599edbb9f1ee4a666d1721c3a0aac923f11fa52a2dbab188fa374982d260.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 2172	1552	cb41599edbb9f1ee4a666d1721c3a0aac923f11fa52a2dbab188fa374982d260.exe	31
PID 1552 wrote to memory of 2172	1552	cb41599edbb9f1ee4a666d1721c3a0aac923f11fa52a2dbab188fa374982d260.exe	31
PID 1552 wrote to memory of 2172	1552	cb41599edbb9f1ee4a666d1721c3a0aac923f11fa52a2dbab188fa374982d260.exe	31
PID 1552 wrote to memory of 2172	1552	cb41599edbb9f1ee4a666d1721c3a0aac923f11fa52a2dbab188fa374982d260.exe	31

C:\Users\Admin\AppData\Local\Temp\cb41599edbb9f1ee4a666d1721c3a0aac923f11fa52a2dbab188fa374982d260.exe
"C:\Users\Admin\AppData\Local\Temp\cb41599edbb9f1ee4a666d1721c3a0aac923f11fa52a2dbab188fa374982d260.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1552
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1552 -s 276
  2⤵
  - Program crash
  PID:2172

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

memory/1552-0-0x0000000000400000-0x000000000076F000-memory.dmp

Filesize
3.4MB

Download
memory/1552-1-0x0000000010000000-0x00000000100B3000-memory.dmp

Filesize
716KB

Download
memory/1552-6-0x0000000000400000-0x000000000076F000-memory.dmp

Filesize
3.4MB

Download