blackmoon | e5bcef72212f77a5390675d5fc24433af0e682db535969894f967a409eefb8aa

Analysis

max time kernel
91s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-08-2024 08:58

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General

Target

1f0754128f1fd32781886c3d9e7dc138.exe
Size

475KB
MD5

1f0754128f1fd32781886c3d9e7dc138
SHA1

91170c5fd52ea3b5aa77c4b746d0781b3b195a6d
SHA256

e5bcef72212f77a5390675d5fc24433af0e682db535969894f967a409eefb8aa
SHA512

38ec7ead85e45b82c02420da71f0bed58fc199f658f9b2fb7f0a164f5a26dc4ed9e5de7084e7380a3dcc9bfd3be214fbebb3cfb2a316b1d37cee1acbd4116afa
SSDEEP

12288:EfqiJSvtZDd4YQp7T8BPZ0T9XG1rVBbtpIwaDoS8:GqiWfvQpX8T0h2r/b/IDK

Score

10^/10

blackmoon banker discovery trojan upx

Malware Config

Signatures

Blackmoon, KrBanker
Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.
trojan banker blackmoon

Detect Blackmoon payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4392-1-0x0000000000400000-0x00000000004C4000-memory.dmp	family_blackmoon

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4392-0-0x0000000000400000-0x00000000004C4000-memory.dmp	upx
behavioral2/memory/4392-1-0x0000000000400000-0x00000000004C4000-memory.dmp	upx

Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exe

pid process

2360 sc.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3224 4392 WerFault.exe 1f0754128f1fd32781886c3d9e7dc138.exe

pid	process
2360	sc.exe

pid	pid_target	process	target process
3224	4392	WerFault.exe	1f0754128f1fd32781886c3d9e7dc138.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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

Processes:

1f0754128f1fd32781886c3d9e7dc138.execmd.exesc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1f0754128f1fd32781886c3d9e7dc138.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

1f0754128f1fd32781886c3d9e7dc138.exe

pid process

4392 1f0754128f1fd32781886c3d9e7dc138.exe

pid	process
4392	1f0754128f1fd32781886c3d9e7dc138.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

1f0754128f1fd32781886c3d9e7dc138.execmd.exe

description	pid	process	target process
PID 4392 wrote to memory of 1388	4392	1f0754128f1fd32781886c3d9e7dc138.exe	cmd.exe
PID 4392 wrote to memory of 1388	4392	1f0754128f1fd32781886c3d9e7dc138.exe	cmd.exe
PID 4392 wrote to memory of 1388	4392	1f0754128f1fd32781886c3d9e7dc138.exe	cmd.exe
PID 1388 wrote to memory of 2360	1388	cmd.exe	sc.exe
PID 1388 wrote to memory of 2360	1388	cmd.exe	sc.exe
PID 1388 wrote to memory of 2360	1388	cmd.exe	sc.exe

C:\Users\Admin\AppData\Local\Temp\1f0754128f1fd32781886c3d9e7dc138.exe
"C:\Users\Admin\AppData\Local\Temp\1f0754128f1fd32781886c3d9e7dc138.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4392
- C:\Windows\SysWOW64\cmd.exe
  cmd /c sc config "UxSms" start= demand
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1388
- - C:\Windows\SysWOW64\sc.exe
    sc config "UxSms" start= demand
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2360
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4392 -s 536
  2⤵
  - Program crash
  PID:3224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4392 -ip 4392
1⤵
PID:396

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

memory/4392-0-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/4392-1-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download