blackmoon | fcf54eaf0f05dae2521ce9a53b67a0ac8a72c98f9f8b25a9258fbe1261f0be5e

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22-12-2024 05:16

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22-12-2024 05:11

22-12-2024 05:10

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22-12-2024 04:38

Analysis

max time kernel
92s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
22-12-2024 05:10

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Report Analysis Logs

General

Target

GF.dll
Size

6.9MB
MD5

c6e29164ff238c1f3a538722c7ab9871
SHA1

8e3c981e9dcd9d71c2128811652b4a62acd2622b
SHA256

4848cd7fd555e5551d94a1b8df19d19a9cf65727c0d8badbe2457516ee19ead7
SHA512

f9e736d37d83ad38255e22ec282ca6d137471a640981f5bcd039d04ddd3151e4036920d3d182230d1f442f8410ebdc4dc8ef95f7264450a517c4fa9ad3308a31
SSDEEP

196608:2r05756bdjFOVhF22yMRTvBmmzIzCMRo:2FdjUVhacB1sJRo

Score

10^/10

blackmoon banker discovery trojan

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 2 IoCs

resource	yara_rule
behavioral1/memory/5868-3-0x0000000010000000-0x00000000106EB000-memory.dmp	family_blackmoon
behavioral1/memory/5868-5-0x0000000010000000-0x00000000106EB000-memory.dmp	family_blackmoon

Blocklisted process makes network request 3 IoCs

flow	pid	Process
2	5868	rundll32.exe
3	5868	rundll32.exe
4	5868	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
5868	rundll32.exe
5868	rundll32.exe

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	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5868	rundll32.exe
5868	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5856 wrote to memory of 5868	5856	rundll32.exe	78
PID 5856 wrote to memory of 5868	5856	rundll32.exe	78
PID 5856 wrote to memory of 5868	5856	rundll32.exe	78

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\GF.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\GF.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:5868

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/5868-0-0x0000000010027000-0x00000000103B2000-memory.dmp

Filesize
3.5MB

Download
memory/5868-2-0x0000000000850000-0x0000000000851000-memory.dmp

Filesize
4KB

Download
memory/5868-1-0x0000000000830000-0x0000000000831000-memory.dmp

Filesize
4KB

Download
memory/5868-3-0x0000000010000000-0x00000000106EB000-memory.dmp

Filesize
6.9MB

Download
memory/5868-4-0x0000000010027000-0x00000000103B2000-memory.dmp

Filesize
3.5MB

Download
memory/5868-5-0x0000000010000000-0x00000000106EB000-memory.dmp

Filesize
6.9MB

Download