blackmoon | 04e28b87b59c589e1a889384d82499b62e4c557d8bc972e8c9d656c9c153103e

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 20:23

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General

Target

3b2a14671a4f0ea12152874527663303.exe
Size

260KB
MD5

3b2a14671a4f0ea12152874527663303
SHA1

30e6c17a0cd075e3947e82532800a0ae74fd1fc0
SHA256

04e28b87b59c589e1a889384d82499b62e4c557d8bc972e8c9d656c9c153103e
SHA512

67f2a5d5d616e6391cabd7649abaaa61afa9fda5c67f13f5af17b6b2336d876b728b2687170108773538f15bb6dbaed999a429c812fdab1f422cc2e027e1f12a
SSDEEP

6144:lop3GqvWfVGiJjODSd0XuLwvr/eR2fq4P+yvDmIB:loRGqvqnJjODSWXMwvr/7fq49Dm

Score

10^/10

blackmoon banker 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/0x000700000002320d-4.dat	family_blackmoon

Executes dropped EXE 1 IoCs

pid	Process
3304	etClient.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\360. = "C:\\Windows\\etClient.exe"	3b2a14671a4f0ea12152874527663303.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\etClient.exe	3b2a14671a4f0ea12152874527663303.exe
File opened for modification	C:\Windows\etClient.exe	3b2a14671a4f0ea12152874527663303.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
264	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1472	3b2a14671a4f0ea12152874527663303.exe
1472	3b2a14671a4f0ea12152874527663303.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 3304	1472	3b2a14671a4f0ea12152874527663303.exe	23
PID 1472 wrote to memory of 3304	1472	3b2a14671a4f0ea12152874527663303.exe	23
PID 1472 wrote to memory of 3304	1472	3b2a14671a4f0ea12152874527663303.exe	23
PID 1472 wrote to memory of 1804	1472	3b2a14671a4f0ea12152874527663303.exe	17
PID 1472 wrote to memory of 1804	1472	3b2a14671a4f0ea12152874527663303.exe	17
PID 1472 wrote to memory of 1804	1472	3b2a14671a4f0ea12152874527663303.exe	17
PID 1804 wrote to memory of 264	1804	cmd.exe	19
PID 1804 wrote to memory of 264	1804	cmd.exe	19
PID 1804 wrote to memory of 264	1804	cmd.exe	19

C:\Users\Admin\AppData\Local\Temp\3b2a14671a4f0ea12152874527663303.exe
"C:\Users\Admin\AppData\Local\Temp\3b2a14671a4f0ea12152874527663303.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1472
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ping 127.0.0.1 -n 2 &del "C:\Users\Admin\AppData\Local\Temp\3b2a14671a4f0ea12152874527663303.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1804
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - Runs ping.exe
    PID:264
- C:\Windows\etClient.exe
  C:\Windows\etClient.exe
  2⤵
  - Executes dropped EXE
  PID:3304

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\etClient.exe

Filesize
260KB

MD5
3b2a14671a4f0ea12152874527663303

SHA1
30e6c17a0cd075e3947e82532800a0ae74fd1fc0

SHA256
04e28b87b59c589e1a889384d82499b62e4c557d8bc972e8c9d656c9c153103e

SHA512
67f2a5d5d616e6391cabd7649abaaa61afa9fda5c67f13f5af17b6b2336d876b728b2687170108773538f15bb6dbaed999a429c812fdab1f422cc2e027e1f12a

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