blackmoon | 8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-10-2024 19:13

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General

Target

8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
Size

2.8MB
MD5

738a95eb2bb19c4b04dce42b06edb03c
SHA1

115bce785ff9e7bb5f6cf857b7e66d56c3cb6f19
SHA256

8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55
SHA512

27c705b78ee98030d66db6492d82615f0a2c023b6f25af99f9979825a28f64f9403ba0b97a3a1313fdb2c287992750ae40521c2d0cbe4b00b92412069341bab7
SSDEEP

24576:wl18GADX15DihL9GVRqIERogW68ngSTeTm8HZfj4cCao6A6u2EmAOuydnTX2tuiU:wO7SL9eq67ydBC/S2mpTn8

Score

10^/10

blackmoon privateloader banker discovery evasion execution loader persistence trojan

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/1176-13-0x0000000010000000-0x0000000010025000-memory.dmp	family_blackmoon

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

Sets service image path in registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\ZdPcEACxTQ\ImagePath = "\\??\\C:\\FUQ26CEw.sys"	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\apejmi\ImagePath = "\\??\\C:\\Windows\\Fonts\\apejmi.sys"	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.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

Processes:

8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe

description	ioc	Process
File opened (read-only)	\??\F:	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe

Drops file in Windows directory 2 IoCs

Processes:

8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe

description	ioc	Process
File opened for modification	C:\Windows\Fonts\apejmi.sys	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
File created	C:\Windows\Fonts\apejmi.sys	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe

Launches sc.exe 4 IoCs

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

Processes:

sc.exesc.exesc.exesc.exe

pid	Process
2460	sc.exe
436	sc.exe
2512	sc.exe
668	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

Processes:

8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exetaskkill.exesc.exeCMD.exesc.exeCMD.exeCMD.exesc.exeCMD.exesc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.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	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

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

Processes:

dwm.exe

description	ioc	Process
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
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

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

dwm.exe

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

Processes:

taskkill.exe

pid	Process
3912	taskkill.exe

Modifies data under HKEY_USERS 18 IoCs

Processes:

dwm.exe

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

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe

pid	Process
1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe

Suspicious behavior: LoadsDriver 3 IoCs

Processes:

pid	Process
660
660
660

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe

pid	Process
1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe

pid	Process
1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

Processes:

8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exetaskkill.exedwm.exe

description	pid	Process
Token: SeDebugPrivilege	1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
Token: SeDebugPrivilege	1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
Token: SeDebugPrivilege	3912	taskkill.exe
Token: SeCreateGlobalPrivilege	1144	dwm.exe
Token: SeChangeNotifyPrivilege	1144	dwm.exe
Token: 33	1144	dwm.exe
Token: SeIncBasePriorityPrivilege	1144	dwm.exe
Token: SeDebugPrivilege	1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
Token: SeShutdownPrivilege	1144	dwm.exe
Token: SeCreatePagefilePrivilege	1144	dwm.exe
Token: SeShutdownPrivilege	1144	dwm.exe
Token: SeCreatePagefilePrivilege	1144	dwm.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe

pid	Process
1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exeCMD.exeCMD.exeCMD.exeCMD.exe

description	pid	Process	procid_target
PID 1176 wrote to memory of 812	1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe	84
PID 1176 wrote to memory of 812	1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe	84
PID 1176 wrote to memory of 3912	1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe	85
PID 1176 wrote to memory of 3912	1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe	85
PID 1176 wrote to memory of 3912	1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe	85
PID 1176 wrote to memory of 2644	1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe	94
PID 1176 wrote to memory of 2644	1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe	94
PID 1176 wrote to memory of 2644	1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe	94
PID 2644 wrote to memory of 2512	2644	CMD.exe	96
PID 2644 wrote to memory of 2512	2644	CMD.exe	96
PID 2644 wrote to memory of 2512	2644	CMD.exe	96
PID 1176 wrote to memory of 1924	1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe	97
PID 1176 wrote to memory of 1924	1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe	97
PID 1176 wrote to memory of 1924	1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe	97
PID 1924 wrote to memory of 668	1924	CMD.exe	99
PID 1924 wrote to memory of 668	1924	CMD.exe	99
PID 1924 wrote to memory of 668	1924	CMD.exe	99
PID 1176 wrote to memory of 2504	1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe	103
PID 1176 wrote to memory of 2504	1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe	103
PID 1176 wrote to memory of 2504	1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe	103
PID 2504 wrote to memory of 2460	2504	CMD.exe	105
PID 2504 wrote to memory of 2460	2504	CMD.exe	105
PID 2504 wrote to memory of 2460	2504	CMD.exe	105
PID 1176 wrote to memory of 1768	1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe	106
PID 1176 wrote to memory of 1768	1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe	106
PID 1176 wrote to memory of 1768	1176	8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe	106
PID 1768 wrote to memory of 436	1768	CMD.exe	108
PID 1768 wrote to memory of 436	1768	CMD.exe	108
PID 1768 wrote to memory of 436	1768	CMD.exe	108

C:\Users\Admin\AppData\Local\Temp\8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe
"C:\Users\Admin\AppData\Local\Temp\8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.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:1176
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:812
- C:\Windows\SysWOW64\taskkill.exe
  C:\Windows\System32\taskkill /f /pid 64
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3912
- C:\Windows\SysWOW64\CMD.exe
  CMD /C SC STOP apejmi
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2644
- - C:\Windows\SysWOW64\sc.exe
    SC STOP apejmi
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2512
- C:\Windows\SysWOW64\CMD.exe
  CMD /C SC DELETE apejmi
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1924
- - C:\Windows\SysWOW64\sc.exe
    SC DELETE apejmi
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:668
- C:\Windows\SysWOW64\CMD.exe
  CMD /C SC STOP apejmi
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2504
- - C:\Windows\SysWOW64\sc.exe
    SC STOP apejmi
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2460
- C:\Windows\SysWOW64\CMD.exe
  CMD /C SC DELETE apejmi
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1768
- - C:\Windows\SysWOW64\sc.exe
    SC DELETE apejmi
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:436

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:1144

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\8831a1c5d2416aaf377d917c550b6dc9e0f6638969e49fc8ee697cfeddf54f55.exe

Filesize
2.8MB

MD5
6ffa4ebda5d32cf28e0e5c9bb6573c00

SHA1
01dca39ce93ffedcbad953647587ca30506e13f2

SHA256
49f4bd379a180b3d6737bff2089547d82bf3b0b19e2d6d3bd71e4664f0ddb4de

SHA512
37ad463758135dd725b62abb71b0abe6937ace5e635774a75b3d0db6aec5a4a480f0f3a6c00908ff49835fc8a4f9aab203e53bc1bd80f550ad8b675cc1d7bd9d

Download Submit
memory/812-0-0x0000000000270000-0x0000000000278000-memory.dmp

Filesize
32KB

Download
memory/812-1-0x0000000000270000-0x0000000000278000-memory.dmp

Filesize
32KB

Download
memory/1144-4-0x00000000001C0000-0x00000000002EF000-memory.dmp

Filesize
1.2MB

Download
memory/1144-3-0x00000000001C0000-0x00000000002EF000-memory.dmp

Filesize
1.2MB

Download
memory/1176-13-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download
memory/1176-21-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download