blackmoon | bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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
behavioral1/memory/1732-10-0x0000000010000000-0x0000000010025000-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 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\kzsdkg\ImagePath = "\\??\\C:\\Windows\\Fonts\\kzsdkg.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 opened for modification	C:\Windows\Fonts\kzsdkg.sys	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
File created	C:\Windows\Fonts\kzsdkg.sys	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe

Launches sc.exe 4 IoCs

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

pid	Process
2356	sc.exe
2652	sc.exe
2648	sc.exe
2640	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 9 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	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.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	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

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
472	Process not Found
472	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
Token: SeDebugPrivilege	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
Token: SeDebugPrivilege	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe
1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2960	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	30
PID 1732 wrote to memory of 2960	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	30
PID 1732 wrote to memory of 2960	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	30
PID 1732 wrote to memory of 2960	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	30
PID 1732 wrote to memory of 2796	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	32
PID 1732 wrote to memory of 2796	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	32
PID 1732 wrote to memory of 2796	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	32
PID 1732 wrote to memory of 2796	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	32
PID 2796 wrote to memory of 2640	2796	CMD.exe	34
PID 2796 wrote to memory of 2640	2796	CMD.exe	34
PID 2796 wrote to memory of 2640	2796	CMD.exe	34
PID 2796 wrote to memory of 2640	2796	CMD.exe	34
PID 1732 wrote to memory of 2632	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	35
PID 1732 wrote to memory of 2632	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	35
PID 1732 wrote to memory of 2632	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	35
PID 1732 wrote to memory of 2632	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	35
PID 2632 wrote to memory of 2356	2632	CMD.exe	37
PID 2632 wrote to memory of 2356	2632	CMD.exe	37
PID 2632 wrote to memory of 2356	2632	CMD.exe	37
PID 2632 wrote to memory of 2356	2632	CMD.exe	37
PID 1732 wrote to memory of 2608	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	38
PID 1732 wrote to memory of 2608	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	38
PID 1732 wrote to memory of 2608	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	38
PID 1732 wrote to memory of 2608	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	38
PID 2608 wrote to memory of 2652	2608	CMD.exe	40
PID 2608 wrote to memory of 2652	2608	CMD.exe	40
PID 2608 wrote to memory of 2652	2608	CMD.exe	40
PID 2608 wrote to memory of 2652	2608	CMD.exe	40
PID 1732 wrote to memory of 2680	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	41
PID 1732 wrote to memory of 2680	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	41
PID 1732 wrote to memory of 2680	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	41
PID 1732 wrote to memory of 2680	1732	bc3b16825c47824b41591a1897ff2e7542cbdabde6c62d330405784f80930cdd.exe	41
PID 2680 wrote to memory of 2648	2680	CMD.exe	43
PID 2680 wrote to memory of 2648	2680	CMD.exe	43
PID 2680 wrote to memory of 2648	2680	CMD.exe	43
PID 2680 wrote to memory of 2648	2680	CMD.exe	43

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:1732
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:2960
- C:\Windows\SysWOW64\CMD.exe
  CMD /C SC STOP kzsdkg
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2796
- - C:\Windows\SysWOW64\sc.exe
    SC STOP kzsdkg
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2640
- C:\Windows\SysWOW64\CMD.exe
  CMD /C SC DELETE kzsdkg
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2632
- - C:\Windows\SysWOW64\sc.exe
    SC DELETE kzsdkg
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2356
- C:\Windows\SysWOW64\CMD.exe
  CMD /C SC STOP kzsdkg
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2608
- - C:\Windows\SysWOW64\sc.exe
    SC STOP kzsdkg
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2652
- C:\Windows\SysWOW64\CMD.exe
  CMD /C SC DELETE kzsdkg
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\SysWOW64\sc.exe
    SC DELETE kzsdkg
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2648

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\Ç´Á¼È»¾Ó¾ÆÐÈ±»ÉÌ¶²ÎÃ»ÔÓºÀËØ±ÅÂ²ÓÊ¹·ÊÏ°¼ÁÔÒÁ¸ÙÉÆÙ³¿ËÐ¸¶ÐÇ½ØÕ¾ÂÏÚµ\ÇÆ´×Ì½¹ÎÑ²¾ÃØÔÅº²ËÊ±·ÂÏÓ¼¹ÔÊÁ°ÙÁÆÒ³¸ËÉ¸ÚÐ¿½ÐÕ¶ÂÇÚØÇ¾´ÏÌµ¹ÆÑ×¾½ÖÎÃ´°ÅÈÖµ¼ÍÍº³ÒÄ¿Ó×¹ÄÊ±°ÉÁ¶ÒÐ¸½ÉÕÚÂ¿ÚÐÇ¶µÇÍØº¾ÒÏ¿µ×ÆÄ×±½ÉÎ¶´ÎÅ»ÖÓ¼.lnk

Filesize
3.0MB

MD5
a739b995976b9f2df54456c355cebd0a

SHA1
e24d2577442789db14639299cd1f7eab9c7c1f60

SHA256
e2b7a6c4b38ed0da71b91e48d8767f16bfca6172ae83da1ef98fc3d2346f6417

SHA512
bd47b123e6f6081c7e96a0f3e72e306ebfed0410b1603d0fda77d23475a94876a802771a988ac3725965c1ee4729a9d041e649b50fea981b6952e12eb4946bd9

Download Submit
memory/1732-10-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download
memory/1732-17-0x0000000000400000-0x00000000006FC000-memory.dmp

Filesize
3.0MB

Download
memory/1732-18-0x0000000000400000-0x00000000006FC000-memory.dmp

Filesize
3.0MB

Download
memory/2960-0-0x0000000000060000-0x0000000000068000-memory.dmp

Filesize
32KB

Download
memory/2960-1-0x0000000000060000-0x0000000000068000-memory.dmp

Filesize
32KB

Download