blackmoon | fcf54eaf0f05dae2521ce9a53b67a0ac8a72c98f9f8b25a9258fbe1261f0be5e

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 3 IoCs

resource	yara_rule
behavioral1/memory/2256-11-0x0000000010000000-0x00000000106EB000-memory.dmp	family_blackmoon
behavioral1/memory/2256-12-0x0000000010000000-0x00000000106EB000-memory.dmp	family_blackmoon
behavioral1/memory/2256-14-0x0000000010000000-0x00000000106EB000-memory.dmp	family_blackmoon

Blocklisted process makes network request 3 IoCs

flow	pid	Process
3	2256	rundll32.exe
4	2256	rundll32.exe
6	2256	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2256	rundll32.exe
2256	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

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	rundll32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	rundll32.exe

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	3	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2256	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2256	2316	rundll32.exe	30
PID 2316 wrote to memory of 2256	2316	rundll32.exe	30
PID 2316 wrote to memory of 2256	2316	rundll32.exe	30
PID 2316 wrote to memory of 2256	2316	rundll32.exe	30
PID 2316 wrote to memory of 2256	2316	rundll32.exe	30
PID 2316 wrote to memory of 2256	2316	rundll32.exe	30
PID 2316 wrote to memory of 2256	2316	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\GF.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2316
- 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
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  PID:2256

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2256-0-0x0000000010027000-0x00000000103B2000-memory.dmp

Filesize
3.5MB

Download
memory/2256-1-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/2256-10-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/2256-8-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/2256-6-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/2256-5-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/2256-3-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/2256-11-0x0000000010000000-0x00000000106EB000-memory.dmp

Filesize
6.9MB

Download
memory/2256-12-0x0000000010000000-0x00000000106EB000-memory.dmp

Filesize
6.9MB

Download
memory/2256-13-0x0000000010027000-0x00000000103B2000-memory.dmp

Filesize
3.5MB

Download
memory/2256-14-0x0000000010000000-0x00000000106EB000-memory.dmp

Filesize
6.9MB

Download

Analysis

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