blackmoon | fcf54eaf0f05dae2521ce9a53b67a0ac8a72c98f9f8b25a9258fbe1261f0be5e

Analysis

max time kernel
99s
max time network
102s
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, 03:43

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General

Target

run me as admin.bat
Size

111B
MD5

32ebd1b51e027f5eb86c7cd3bf98f661
SHA1

9f94f463b0c60e73cb6d9a221feb86da05bf5582
SHA256

49941008e16ca6b79cc4949da034da2696d7f78d6664b74afcd11902eb76c3c9
SHA512

4540c9d9ea0e58e889d29d50cb22bb4e0d5c401475127c529d9abacf9ea0c3a9aa8b22ca1b13fd6da98f0452b8e7d22111b59bc520b57601e3d6e606c0d48b35

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
behavioral3/memory/3428-3-0x0000000010000000-0x00000000106EB000-memory.dmp	family_blackmoon
behavioral3/memory/3428-5-0x0000000010000000-0x00000000106EB000-memory.dmp	family_blackmoon

Blocklisted process makes network request 3 IoCs

flow	pid	Process
2	3428	rundll32.exe
4	3428	rundll32.exe
5	3428	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3428	rundll32.exe
3428	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
3428	rundll32.exe
3428	rundll32.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 5100	2168	cmd.exe	78
PID 2168 wrote to memory of 5100	2168	cmd.exe	78
PID 5100 wrote to memory of 3428	5100	rundll32.exe	79
PID 5100 wrote to memory of 3428	5100	rundll32.exe	79
PID 5100 wrote to memory of 3428	5100	rundll32.exe	79

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\run me as admin.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\GF.DATA,Win10
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5100
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\GF.DATA,Win10
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:3428

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/3428-0-0x0000000010027000-0x00000000103B2000-memory.dmp

Filesize
3.5MB

Download
memory/3428-1-0x0000000000FF0000-0x0000000000FF1000-memory.dmp

Filesize
4KB

Download
memory/3428-2-0x0000000001000000-0x0000000001001000-memory.dmp

Filesize
4KB

Download
memory/3428-3-0x0000000010000000-0x00000000106EB000-memory.dmp

Filesize
6.9MB

Download
memory/3428-4-0x0000000010027000-0x00000000103B2000-memory.dmp

Filesize
3.5MB

Download
memory/3428-5-0x0000000010000000-0x00000000106EB000-memory.dmp

Filesize
6.9MB

Download