blackmoon | bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd

Analysis

max time kernel
139s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 14:41

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General

Target

bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
Size

3.0MB
MD5

c119e6f3ec97fb8fd246e1784af0d826
SHA1

8678d2846df714dc89628b784fd25355628c350f
SHA256

bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd
SHA512

35ea350c84967f9548757c45ef3a4c22c352a506b9a047fb3c5e01c1ff773f59e0c6e632843cf6e4925acf38e39a9b6d9d987031d622dfb8f3e827fbac205625
SSDEEP

98304:AOL9eBmp46HDT2MtUmmJqvOwcdI/X48ETeO7:lRp46HDT2MtUmmJqvOwcdI/X48ETeO7

Score

10^/10

blackmoon privateloader banker discovery evasion execution loader persistence 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 1 IoCs

resource	yara_rule
behavioral2/memory/4508-13-0x0000000010000000-0x0000000010025000-memory.dmp	family_blackmoon

PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
loader privateloader
Privateloader family
privateloader

Sets service image path in registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\qulrfo\ImagePath = "\\??\\C:\\Windows\\Fonts\\qulrfo.sys"	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\AbiGQcdyAr\ImagePath = "\\??\\C:\\EAZ3Dyd.sys"	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe

Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\F:	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Fonts\qulrfo.sys	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
File opened for modification	C:\Windows\Fonts\qulrfo.sys	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe

Launches sc.exe 4 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
4732	sc.exe
3356	sc.exe
1480	sc.exe
5044	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 10 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	CMD.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CMD.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CMD.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CMD.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Checks SCSI registry key(s) 3 TTPs 6 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000	dwm.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\ConfigFlags	dwm.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\HardwareID	dwm.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\HardwareID	dwm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000	dwm.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\ConfigFlags	dwm.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	dwm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dwm.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1560	taskkill.exe

Modifies data under HKEY_USERS 18 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	dwm.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe

Suspicious behavior: LoadsDriver 3 IoCs

pid	Process
652	Process not Found
652	Process not Found
652	Process not Found

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeDebugPrivilege	4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
Token: SeDebugPrivilege	4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
Token: SeDebugPrivilege	1560	taskkill.exe
Token: SeCreateGlobalPrivilege	3528	dwm.exe
Token: SeChangeNotifyPrivilege	3528	dwm.exe
Token: 33	3528	dwm.exe
Token: SeIncBasePriorityPrivilege	3528	dwm.exe
Token: SeDebugPrivilege	4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
Token: SeShutdownPrivilege	3528	dwm.exe
Token: SeCreatePagefilePrivilege	3528	dwm.exe
Token: SeShutdownPrivilege	3528	dwm.exe
Token: SeCreatePagefilePrivilege	3528	dwm.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 4508 wrote to memory of 5064	4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	82
PID 4508 wrote to memory of 5064	4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	82
PID 4508 wrote to memory of 1560	4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	83
PID 4508 wrote to memory of 1560	4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	83
PID 4508 wrote to memory of 1560	4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	83
PID 4508 wrote to memory of 3292	4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	88
PID 4508 wrote to memory of 3292	4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	88
PID 4508 wrote to memory of 3292	4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	88
PID 3292 wrote to memory of 5044	3292	CMD.exe	90
PID 3292 wrote to memory of 5044	3292	CMD.exe	90
PID 3292 wrote to memory of 5044	3292	CMD.exe	90
PID 4508 wrote to memory of 4048	4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	91
PID 4508 wrote to memory of 4048	4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	91
PID 4508 wrote to memory of 4048	4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	91
PID 4048 wrote to memory of 4732	4048	CMD.exe	93
PID 4048 wrote to memory of 4732	4048	CMD.exe	93
PID 4048 wrote to memory of 4732	4048	CMD.exe	93
PID 4508 wrote to memory of 848	4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	94
PID 4508 wrote to memory of 848	4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	94
PID 4508 wrote to memory of 848	4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	94
PID 848 wrote to memory of 3356	848	CMD.exe	96
PID 848 wrote to memory of 3356	848	CMD.exe	96
PID 848 wrote to memory of 3356	848	CMD.exe	96
PID 4508 wrote to memory of 3220	4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	97
PID 4508 wrote to memory of 3220	4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	97
PID 4508 wrote to memory of 3220	4508	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	97
PID 3220 wrote to memory of 1480	3220	CMD.exe	99
PID 3220 wrote to memory of 1480	3220	CMD.exe	99
PID 3220 wrote to memory of 1480	3220	CMD.exe	99

C:\Users\Admin\AppData\Local\Temp\bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
"C:\Users\Admin\AppData\Local\Temp\bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe"
1⤵
- Sets service image path in registry
- Enumerates connected drives
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4508
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:5064
- C:\Windows\SysWOW64\taskkill.exe
  C:\Windows\System32\taskkill /f /pid 376
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:1560
- C:\Windows\SysWOW64\CMD.exe
  CMD /C SC STOP qulrfo
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3292
- - C:\Windows\SysWOW64\sc.exe
    SC STOP qulrfo
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:5044
- C:\Windows\SysWOW64\CMD.exe
  CMD /C SC DELETE qulrfo
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4048
- - C:\Windows\SysWOW64\sc.exe
    SC DELETE qulrfo
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:4732
- C:\Windows\SysWOW64\CMD.exe
  CMD /C SC STOP qulrfo
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:848
- - C:\Windows\SysWOW64\sc.exe
    SC STOP qulrfo
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:3356
- C:\Windows\SysWOW64\CMD.exe
  CMD /C SC DELETE qulrfo
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3220
- - C:\Windows\SysWOW64\sc.exe
    SC DELETE qulrfo
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:1480

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
- Checks SCSI registry key(s)
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:3528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe

Filesize
3.0MB

MD5
a739b995976b9f2df54456c355cebd0a

SHA1
e24d2577442789db14639299cd1f7eab9c7c1f60

SHA256
e2b7a6c4b38ed0da71b91e48d8767f16bfca6172ae83da1ef98fc3d2346f6417

SHA512
bd47b123e6f6081c7e96a0f3e72e306ebfed0410b1603d0fda77d23475a94876a802771a988ac3725965c1ee4729a9d041e649b50fea981b6952e12eb4946bd9

Download Submit
memory/3528-4-0x0000000000180000-0x00000000002AF000-memory.dmp

Filesize
1.2MB

Download
memory/3528-3-0x0000000000180000-0x00000000002AF000-memory.dmp

Filesize
1.2MB

Download
memory/4508-13-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download
memory/4508-21-0x0000000000400000-0x00000000006FC000-memory.dmp

Filesize
3.0MB

Download
memory/5064-0-0x0000000000790000-0x0000000000798000-memory.dmp

Filesize
32KB

Download
memory/5064-1-0x0000000000790000-0x0000000000798000-memory.dmp

Filesize
32KB

Download