blackmoon | 99839f4e2d466e2f4043d7cef454de2545cb5cb3df1bde3c43716dbfeea02e56

Analysis

max time kernel
95s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 20:49

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General

Target

99839f4e2d466e2f4043d7cef454de2545cb5cb3df1bde3c43716dbfeea02e56.dll
Size

4.2MB
MD5

58345def8b478487ddf266d012334cf7
SHA1

bbb1956e0ee6631fb3729fd39b00f61835923a46
SHA256

99839f4e2d466e2f4043d7cef454de2545cb5cb3df1bde3c43716dbfeea02e56
SHA512

cc81d8727e3be75e0fbf35ac160d64e270538c42343351e4a006d601c50e5663688370271769f8d4df09fbfb62a51117c6b5383761921297c6d15ae75655b69a
SSDEEP

98304:W3jMc3dYt1mI8e7GBloJBxs7QqAiweQiXRdPT597Nbo:W3dtY39GBuBxGwDiXL7TN0

Score

10^/10

blackmoon banker discovery trojan upx

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 1 IoCs

resource	yara_rule
behavioral2/memory/3668-9-0x0000000010000000-0x0000000010C9F000-memory.dmp	family_blackmoon

Loads dropped DLL 1 IoCs

pid	Process
3668	rundll32.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3668-0-0x0000000010000000-0x0000000010C9F000-memory.dmp	upx
behavioral2/memory/3668-7-0x0000000002D40000-0x0000000002D55000-memory.dmp	upx
behavioral2/memory/3668-8-0x0000000002D40000-0x0000000002D55000-memory.dmp	upx
behavioral2/memory/3668-9-0x0000000010000000-0x0000000010C9F000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1472	3668	WerFault.exe	82

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 use of SetWindowsHookEx 1 IoCs

pid	Process
3668	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3116 wrote to memory of 3668	3116	rundll32.exe	82
PID 3116 wrote to memory of 3668	3116	rundll32.exe	82
PID 3116 wrote to memory of 3668	3116	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\99839f4e2d466e2f4043d7cef454de2545cb5cb3df1bde3c43716dbfeea02e56.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\99839f4e2d466e2f4043d7cef454de2545cb5cb3df1bde3c43716dbfeea02e56.dll,#1
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3668
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3668 -s 848
    3⤵
    - Program crash
    PID:1472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3668 -ip 3668
1⤵
PID:4724

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\E2EECore.2.7.2.dll

Filesize
8.4MB

MD5
8b6c94bbdbfb213e94a5dcb4fac28ce3

SHA1
b56102ca4f03556f387f8b30e2b404efabe0cb65

SHA256
982a177924762f270b36fe34c7d6847392b48ae53151dc2011078dceef487a53

SHA512
9d6d63b5d8cf7a978d7e91126d7a343c2f7acd00022da9d692f63e50835fdd84a59a93328564f10622f2b1f6adfd7febdd98b8ddb294d0754ed45cc9c165d25a

Download Submit
memory/3668-0-0x0000000010000000-0x0000000010C9F000-memory.dmp

Filesize
12.6MB

Download
memory/3668-6-0x0000000002D70000-0x0000000002D97000-memory.dmp

Filesize
156KB

Download
memory/3668-7-0x0000000002D40000-0x0000000002D55000-memory.dmp

Filesize
84KB

Download
memory/3668-8-0x0000000002D40000-0x0000000002D55000-memory.dmp

Filesize
84KB

Download
memory/3668-9-0x0000000010000000-0x0000000010C9F000-memory.dmp

Filesize
12.6MB

Download