blackmoon | bc7699bff0a4297edcdc3b9d37f107d9f521ef87fa23aa81337fcea52e96357a

General

Target

2024-09-27_74963de58f863553d29885b7c88a1e71_magniber.exe
Size

14.2MB
MD5

74963de58f863553d29885b7c88a1e71
SHA1

11606e31eea1aaaf2aead78e173c493dd1c5f27b
SHA256

bc7699bff0a4297edcdc3b9d37f107d9f521ef87fa23aa81337fcea52e96357a
SHA512

939072c17bf3555a735a9cc3720aa51b54027267ccea8a6fc969bd68aa5919e4d8d2aa75d89353b9732e7e69bb82e6f508988abb1df5f8c26f3f02a5177134ef
SSDEEP

98304:OGwqwpAEdmDbNdL2WQljnUZxlKzS6I+Y0EjT9s9o36:rDbNdiUxlKzY0EjTC

Score

10^/10

blackmoon banker discovery 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

resource	yara_rule
behavioral2/files/0x00070000000234cb-13.dat	family_blackmoon

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	R287Q5D4Ang1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\R287Q5D4Ang1 = "C:\\Users\\Admin\\AppData\\Roaming\\aokhn\\l0RYDjQ73_9RF32QHQ\\R287Q5D4Ang1.exe"	R287Q5D4Ang1.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	2024-09-27_74963de58f863553d29885b7c88a1e71_magniber.exe

Executes dropped EXE 1 IoCs

pid	Process
4336	R287Q5D4Ang1.exe

Loads dropped DLL 1 IoCs

pid	Process
4336	R287Q5D4Ang1.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 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	R287Q5D4Ang1.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4336	R287Q5D4Ang1.exe
4336	R287Q5D4Ang1.exe
4336	R287Q5D4Ang1.exe
4336	R287Q5D4Ang1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4336	R287Q5D4Ang1.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4880	2024-09-27_74963de58f863553d29885b7c88a1e71_magniber.exe
4476	2024-09-27_74963de58f863553d29885b7c88a1e71_magniber.exe
4336	R287Q5D4Ang1.exe
4336	R287Q5D4Ang1.exe
4336	R287Q5D4Ang1.exe
4336	R287Q5D4Ang1.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 4476	4880	2024-09-27_74963de58f863553d29885b7c88a1e71_magniber.exe	83
PID 4880 wrote to memory of 4476	4880	2024-09-27_74963de58f863553d29885b7c88a1e71_magniber.exe	83
PID 4476 wrote to memory of 4336	4476	2024-09-27_74963de58f863553d29885b7c88a1e71_magniber.exe	93
PID 4476 wrote to memory of 4336	4476	2024-09-27_74963de58f863553d29885b7c88a1e71_magniber.exe	93
PID 4476 wrote to memory of 4336	4476	2024-09-27_74963de58f863553d29885b7c88a1e71_magniber.exe	93

C:\Users\Admin\AppData\Local\Temp\2024-09-27_74963de58f863553d29885b7c88a1e71_magniber.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_74963de58f863553d29885b7c88a1e71_magniber.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4880
- C:\Users\Admin\AppData\Local\Temp\2024-09-27_74963de58f863553d29885b7c88a1e71_magniber.exe
  C:\Users\Admin\AppData\Local\Temp\2024-09-27_74963de58f863553d29885b7c88a1e71_magniber.exe 46053F0559055005760560057705760559054405610568056C056B0559054405750575054105640571056405590557056A05640568056C056B056205590564056A056E056D056B0559056905350557055C0541056F055405320536055A053C05570543053605370554054D0554055905570537053D053205540530054105310544056B0562053405--aa`
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4476
- - C:\Users\Admin\AppData\Roaming\aokhn\l0RYDjQ73_9RF32QHQ\R287Q5D4Ang1.exe
    "C:\Users\Admin\AppData\Roaming\aokhn\l0RYDjQ73_9RF32QHQ\R287Q5D4Ang1.exe"
    3⤵
    - Adds policy Run key to start application
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:4336

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\aokhn\l0RYDjQ73_9RF32QHQ\Microsoft.WindowsAppRuntime.Bootstrap.dll

Filesize
2.5MB

MD5
b0713694f37e94697f1698bad4beee33

SHA1
a9efc94625ef7568a025447648ba7aacc984fad0

SHA256
71dc40443fa4c7ebb7c02ac1e13261fbe9b91a22bde79d27e1833f0bd4bd7e21

SHA512
f6f922e87a80c938eda7f09d59864f48a6d7c5e4f79680e2af114cd5fbe093923de510d6efd355d8fd89b5ce69430829e5e659379196910b4b2f658e312363a0

Download Submit
C:\Users\Admin\AppData\Roaming\aokhn\l0RYDjQ73_9RF32QHQ\R287Q5D4Ang1.exe

Filesize
146KB

MD5
ae1817f4788e6733af457bd5dff46289

SHA1
32ba5f36e80c28f256204fa3abda0ab2774d8af8

SHA256
08ccea61d93eb33675dffdeda73003d57b8f6710db4f9d98a5ec398a377101cd

SHA512
6c73589e5b2a540fa116cf11f8871acd4b0c391a22f6adad28ac07b9144150762faf6153cde82a2b661f93d4b9c36a73aff5438ebe31515869e79a397a6d1d01

Download Submit
C:\Users\Admin\AppData\Roaming\aokhn\l0RYDjQ73_9RF32QHQ\R287Q5D4Ang1.txt

Filesize
493B

MD5
d1a1666b76cf5e9d8bd4f19e37801225

SHA1
e5bff206b78273c0b9fa12521915d1b66c0c6c2c

SHA256
c4db940cd209c6f53e65ea5ae2171e80273b9ad7c7a8756d70a74fdda7b74019

SHA512
c34b4c9e25adb903fe8c13a2e4841f5dbd666f5285559da21e1dbb4fdafe72154ac52d4e99d628de47744db4d73edd554c22184528001a4b29c284ae163ad6f2

Download Submit
memory/4336-14-0x0000000002BF0000-0x0000000002CD7000-memory.dmp

Filesize
924KB

Download
memory/4336-16-0x0000000002BF0000-0x0000000002CD7000-memory.dmp

Filesize
924KB

Download
memory/4336-20-0x00000000044A0000-0x000000000458B000-memory.dmp

Filesize
940KB

Download
memory/4336-22-0x0000000004B10000-0x0000000004C85000-memory.dmp

Filesize
1.5MB

Download
memory/4336-24-0x0000000004020000-0x0000000004231000-memory.dmp

Filesize
2.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads