Overview

overview

10

Static

static

1

b593b06c04...c9.exe

windows7-x64

10

b593b06c04...c9.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    134s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    14-03-2023 04:15

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General

  • Target

    b593b06c046cac84d19903bb4f253da8cbd6bfa2a0601459c15f0f7c0d1c42c9.exe

  • Size

    682KB

  • MD5

    7562211a68b8c6410156a404fdde44da

  • SHA1

    3a102d31ea2e1056712de3e8a195dae6cb986d03

  • SHA256

    b593b06c046cac84d19903bb4f253da8cbd6bfa2a0601459c15f0f7c0d1c42c9

  • SHA512

    c6feca2a099c6a511bf9721fc334569b313f6d57ed8dec38a64c7ce28b3fea8450ba98fe15d970fe4b9b606a2ecf873d0012dd45a29a61a8f5562b7cc45ece49

  • SSDEEP

    12288:ISYfFx0mgDpkZLtU5K3+9KpdS+grSSHnaoRB4JyVDMXt:n4FxJtZxU5BCdS+vkr1VDM

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 3 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 1 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 41 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b593b06c046cac84d19903bb4f253da8cbd6bfa2a0601459c15f0f7c0d1c42c9.exe
    "C:\Users\Admin\AppData\Local\Temp\b593b06c046cac84d19903bb4f253da8cbd6bfa2a0601459c15f0f7c0d1c42c9.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 AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of UnmapMainImage
    PID:2040

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

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • \Users\Public\Documents\yrrgt.dll
    Filesize

    2KB

    MD5

    7943effe67a4647e06def2348949020e

    SHA1

    eabd561f0639a975de259633f63896d82c3f878d

    SHA256

    3fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa

    SHA512

    c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003

    Download Submit
  • memory/2040-58-0x0000000000400000-0x00000000005AF000-memory.dmp
    Filesize

    1.7MB

    Download
  • memory/2040-60-0x0000000002AE0000-0x0000000002B28000-memory.dmp
    Filesize

    288KB

    Download
  • memory/2040-59-0x0000000000230000-0x0000000000233000-memory.dmp
    Filesize

    12KB

    Download
  • memory/2040-80-0x0000000003870000-0x0000000003962000-memory.dmp
    Filesize

    968KB

    Download
  • memory/2040-81-0x0000000003870000-0x0000000003962000-memory.dmp
    Filesize

    968KB

    Download
  • memory/2040-82-0x0000000000400000-0x0000000000427000-memory.dmp
    Filesize

    156KB

    Download
  • memory/2040-83-0x0000000003870000-0x0000000003962000-memory.dmp
    Filesize

    968KB

    Download
  • memory/2040-84-0x0000000010000000-0x0000000010017000-memory.dmp
    Filesize

    92KB

    Download
  • memory/2040-87-0x0000000000400000-0x0000000000427000-memory.dmp
    Filesize

    156KB

    Download
  • memory/2040-97-0x0000000002AE0000-0x0000000002B28000-memory.dmp
    Filesize

    288KB

    Download
  • memory/2040-99-0x0000000000400000-0x0000000000427000-memory.dmp
    Filesize

    156KB

    Download
  • memory/2040-98-0x0000000002AE0000-0x0000000002B28000-memory.dmp
    Filesize

    288KB

    Download
  • memory/2040-100-0x0000000000400000-0x00000000005AF000-memory.dmp
    Filesize

    1.7MB

    Download