blackmoon | fcf54eaf0f05dae2521ce9a53b67a0ac8a72c98f9f8b25a9258fbe1261f0be5e

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 3 IoCs

resource	yara_rule
behavioral3/memory/2608-11-0x0000000010000000-0x00000000106EB000-memory.dmp	family_blackmoon
behavioral3/memory/2608-12-0x0000000010000000-0x00000000106EB000-memory.dmp	family_blackmoon
behavioral3/memory/2608-14-0x0000000010000000-0x00000000106EB000-memory.dmp	family_blackmoon

Blocklisted process makes network request 3 IoCs

flow	pid	Process
3	2608	rundll32.exe
4	2608	rundll32.exe
6	2608	rundll32.exe

Deletes itself 1 IoCs

pid	Process
3044	cmd.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2608	rundll32.exe
2608	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
2608	rundll32.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 1272	3044	cmd.exe	29
PID 3044 wrote to memory of 1272	3044	cmd.exe	29
PID 3044 wrote to memory of 1272	3044	cmd.exe	29
PID 1272 wrote to memory of 2608	1272	rundll32.exe	30
PID 1272 wrote to memory of 2608	1272	rundll32.exe	30
PID 1272 wrote to memory of 2608	1272	rundll32.exe	30
PID 1272 wrote to memory of 2608	1272	rundll32.exe	30
PID 1272 wrote to memory of 2608	1272	rundll32.exe	30
PID 1272 wrote to memory of 2608	1272	rundll32.exe	30
PID 1272 wrote to memory of 2608	1272	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\run me as admin.bat"
1⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\GF.DATA,Win10
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1272
- - 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
    - Modifies system certificate store
    - Suspicious behavior: EnumeratesProcesses
    PID:2608

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/2608-0-0x0000000010027000-0x00000000103B2000-memory.dmp

Filesize
3.5MB

Download
memory/2608-1-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2608-3-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2608-10-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/2608-8-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/2608-6-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/2608-5-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2608-11-0x0000000010000000-0x00000000106EB000-memory.dmp

Filesize
6.9MB

Download
memory/2608-12-0x0000000010000000-0x00000000106EB000-memory.dmp

Filesize
6.9MB

Download
memory/2608-13-0x0000000010027000-0x00000000103B2000-memory.dmp

Filesize
3.5MB

Download
memory/2608-14-0x0000000010000000-0x00000000106EB000-memory.dmp

Filesize
6.9MB

Download

Analysis

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