Overview

overview

10

Static

static

1

a9a03510b4...f9.exe

windows7-x64

10

a9a03510b4...f9.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    29s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    11-04-2023 19:40

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General

  • Target

    a9a03510b446a53a00552d7a8e7fbae1c3951a7e4607b781f984ceae087e34f9.exe

  • Size

    860KB

  • MD5

    e2d8f93e9c519f5994c87f5f3ca5ed47

  • SHA1

    550f8562c930ab43f28985e77291fc0ef21cc79c

  • SHA256

    a9a03510b446a53a00552d7a8e7fbae1c3951a7e4607b781f984ceae087e34f9

  • SHA512

    e3086b8308f87917c33d6b2a236a0a151b8be5439bbc99e7b0517d852ea3a160de85697c6498fbf0177abf8758bef1d48a4354289487e9a7118b6ced11ca4885

  • SSDEEP

    12288:D+aqnjQNWk8zzJtTJJrzZodlnuB4GWu0zEXrpwB1jPo4OA:DCnjEWkszvTJJr9od7E7pwPo4OA

Score
10/10
blackmoongh0stratbankerpersistencerattrojan

Malware Config

Signatures

  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

    trojanbankerblackmoon
  • Detect Blackmoon payload 7 IoCs
  • Gh0st RAT payload 1 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

    ratgh0strat
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 41 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9a03510b446a53a00552d7a8e7fbae1c3951a7e4607b781f984ceae087e34f9.exe
    "C:\Users\Admin\AppData\Local\Temp\a9a03510b446a53a00552d7a8e7fbae1c3951a7e4607b781f984ceae087e34f9.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1216
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\a9a03510b446a53a00552d7a8e7fbae1c3951a7e4607b781f984ceae087e34f9.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:576

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\a9a03510b446a53a00552d7a8e7fbae1c3951a7e4607b781f984ceae087e34f9.txt
    Filesize

    120KB

    MD5

    3aea5b78bac5359a799c2714fecccd1a

    SHA1

    5d3203b328ecfc7a55c0ded1032d209e9f273367

    SHA256

    c05e763cab67cf9daf5be7a6a6cff2650223987a9693eaa119f69b2bbb6df6c3

    SHA512

    9513cc84a7ed3dd709d4affb03f6e286dcd43e82f33441c00a9d74d2b45449f2ee20baa8db46218d7a59d9e62fb7f95050ea305166e70f3e71dde39ccf07b6d3

    Download Submit
  • C:\Users\Public\Documents\sjsw.log
    Filesize

    254B

    MD5

    240c596e2d8004743c7036744bc7c7cb

    SHA1

    ea6e1584d78cd4e16b4065c9bbe4fec2e3ba44ba

    SHA256

    2fab96f25fc048ddc1ef80e65f7f61de58b4543ea20ab0003740711722879efa

    SHA512

    8e2c7ce0cfc5419b01a993233e8010f4efc1844f0b096bfcbdfc2a7b790b47549a8fc81353176b376db137ab6ab721eb4bad82bed7f7c69e59a300b4bd5ebb90

    Download Submit
  • \Users\Admin\AppData\Local\Temp\saty.dll
    Filesize

    2KB

    MD5

    7943effe67a4647e06def2348949020e

    SHA1

    eabd561f0639a975de259633f63896d82c3f878d

    SHA256

    3fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa

    SHA512

    c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003

    Download Submit
  • \Users\Public\Documents\slooy.dll
    Filesize

    2KB

    MD5

    7943effe67a4647e06def2348949020e

    SHA1

    eabd561f0639a975de259633f63896d82c3f878d

    SHA256

    3fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa

    SHA512

    c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003

    Download Submit
  • memory/1216-83-0x0000000000860000-0x0000000000863000-memory.dmp
    Filesize

    12KB

    Download
  • memory/1216-88-0x0000000003FB0000-0x00000000040A2000-memory.dmp
    Filesize

    968KB

    Download
  • memory/1216-61-0x00000000022F0000-0x0000000002356000-memory.dmp
    Filesize

    408KB

    Download
  • memory/1216-82-0x00000000022F0000-0x0000000002356000-memory.dmp
    Filesize

    408KB

    Download
  • memory/1216-57-0x0000000000580000-0x00000000005B8000-memory.dmp
    Filesize

    224KB

    Download
  • memory/1216-85-0x0000000003FB0000-0x00000000040A2000-memory.dmp
    Filesize

    968KB

    Download
  • memory/1216-86-0x0000000003FB0000-0x00000000040A2000-memory.dmp
    Filesize

    968KB

    Download
  • memory/1216-62-0x00000000022F0000-0x0000000002356000-memory.dmp
    Filesize

    408KB

    Download
  • memory/1216-87-0x0000000000400000-0x0000000000427000-memory.dmp
    Filesize

    156KB

    Download
  • memory/1216-89-0x0000000010000000-0x0000000010017000-memory.dmp
    Filesize

    92KB

    Download
  • memory/1216-92-0x0000000000400000-0x0000000000427000-memory.dmp
    Filesize

    156KB

    Download
  • memory/1216-102-0x00000000022F0000-0x0000000002356000-memory.dmp
    Filesize

    408KB

    Download
  • memory/1216-103-0x00000000022F0000-0x0000000002356000-memory.dmp
    Filesize

    408KB

    Download
  • memory/1216-105-0x0000000000400000-0x0000000000427000-memory.dmp
    Filesize

    156KB

    Download
  • memory/1216-110-0x0000000000580000-0x00000000005B8000-memory.dmp
    Filesize

    224KB

    Download