Overview

overview

10

Static

static

3

ee5f43c811...42.exe

windows7-x64

10

ee5f43c811...42.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-06-2023 20:12

Sharing

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General

  • Target

    ee5f43c81127af7c55cf94599ae17777fbc7a7bb7d059b830349e2b9c275f642.exe

  • Size

    514KB

  • MD5

    b13392a05917316585959b7d166a3732

  • SHA1

    0f969fd094615d20e51f11aa1a65e4301d365948

  • SHA256

    ee5f43c81127af7c55cf94599ae17777fbc7a7bb7d059b830349e2b9c275f642

  • SHA512

    2895df0ad78785dc8a51da8b1c87e6299b2eff1a0c26a982fcb0fe8f556b536305361ab3a7c1944665a19345145a9276f25c4bc7e0e826a2633b52b435da1ad8

  • SSDEEP

    12288:kv5JI23GIqqfOec2Y00I0mBW8En+eVp9TgLNAi:kw2Xqqmec2YIDq+eVneAi

Score
10/10
blackmoongh0stratbankerpersistencerattrojanupx

Malware Config

Signatures

  • Blackmoon, KrBanker

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

    trojanbankerblackmoon
  • Detect Blackmoon payload 9 IoCs
  • Gh0st RAT payload 3 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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 4 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • 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).

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ee5f43c81127af7c55cf94599ae17777fbc7a7bb7d059b830349e2b9c275f642.exe
    "C:\Users\Admin\AppData\Local\Temp\ee5f43c81127af7c55cf94599ae17777fbc7a7bb7d059b830349e2b9c275f642.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Checks processor information in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4340
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\ee5f43c81127af7c55cf94599ae17777fbc7a7bb7d059b830349e2b9c275f642.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:1992

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

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ee5f43c81127af7c55cf94599ae17777fbc7a7bb7d059b830349e2b9c275f642.txt
    Filesize

    22KB

    MD5

    efbc1a412b086fa59bfa7098dde6b819

    SHA1

    1c3ae2e815e08cac1d547d0f3955d08e2060f739

    SHA256

    5523228b29e38fe5cdf68a1519a1506959a0344192b761da5aa48c2fa3dcbdd9

    SHA512

    d085bf772a2c47d8d46a4290bbac958f792352154bb5ca85dff2dfe23b97a3bce06a9221937b65b16ed37e15b7cae2ed6fbd7599663cff2e5215f0c086a0cf8b

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\ijjn.dll
    Filesize

    2KB

    MD5

    7943effe67a4647e06def2348949020e

    SHA1

    eabd561f0639a975de259633f63896d82c3f878d

    SHA256

    3fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa

    SHA512

    c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003

    Download Submit
  • C:\Users\Public\Documents\aikh.dll
    Filesize

    2KB

    MD5

    7943effe67a4647e06def2348949020e

    SHA1

    eabd561f0639a975de259633f63896d82c3f878d

    SHA256

    3fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa

    SHA512

    c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003

    Download Submit
  • C:\Users\Public\Documents\aikh.dll
    Filesize

    2KB

    MD5

    7943effe67a4647e06def2348949020e

    SHA1

    eabd561f0639a975de259633f63896d82c3f878d

    SHA256

    3fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa

    SHA512

    c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003

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

    227B

    MD5

    b0d06853d73428f8c0ad8e8c92b63eab

    SHA1

    44c821693b04e1dfae7acd01eabdc6fe23eb7d5b

    SHA256

    1349c4fe7103ac92531d30a988eccb3aea350e34237b4b596e9e59f2dd63e898

    SHA512

    05579c041519e4380d4b86e78822659cf7c166d5696b5e3154bd58cf3a2ba603b51fe3a1c45f093d9f06c7fbf3f2ef049a2cfd9a46447c85fae1e825c143581f

    Download Submit
  • C:\Users\Public\Documents\tnnmj.dll
    Filesize

    2KB

    MD5

    7943effe67a4647e06def2348949020e

    SHA1

    eabd561f0639a975de259633f63896d82c3f878d

    SHA256

    3fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa

    SHA512

    c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003

    Download Submit
  • C:\Users\Public\Documents\weokg.dll
    Filesize

    2KB

    MD5

    7943effe67a4647e06def2348949020e

    SHA1

    eabd561f0639a975de259633f63896d82c3f878d

    SHA256

    3fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa

    SHA512

    c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003

    Download Submit
  • memory/4340-184-0x0000000003920000-0x000000000395D000-memory.dmp
    Filesize

    244KB

    Download
  • memory/4340-134-0x0000000000580000-0x0000000000583000-memory.dmp
    Filesize

    12KB

    Download
  • memory/4340-150-0x0000000003760000-0x0000000003799000-memory.dmp
    Filesize

    228KB

    Download
  • memory/4340-151-0x00000000038A0000-0x00000000038A3000-memory.dmp
    Filesize

    12KB

    Download
  • memory/4340-147-0x0000000003760000-0x0000000003799000-memory.dmp
    Filesize

    228KB

    Download
  • memory/4340-159-0x0000000003920000-0x000000000395D000-memory.dmp
    Filesize

    244KB

    Download
  • memory/4340-158-0x0000000003920000-0x000000000395D000-memory.dmp
    Filesize

    244KB

    Download
  • memory/4340-140-0x0000000002340000-0x000000000236C000-memory.dmp
    Filesize

    176KB

    Download
  • memory/4340-165-0x0000000003990000-0x00000000039DE000-memory.dmp
    Filesize

    312KB

    Download
  • memory/4340-166-0x0000000003990000-0x00000000039DE000-memory.dmp
    Filesize

    312KB

    Download
  • memory/4340-139-0x0000000002340000-0x000000000236C000-memory.dmp
    Filesize

    176KB

    Download
  • memory/4340-133-0x0000000000400000-0x0000000000500000-memory.dmp
    Filesize

    1024KB

    Download
  • memory/4340-188-0x00000000038C0000-0x00000000038C3000-memory.dmp
    Filesize

    12KB

    Download
  • memory/4340-189-0x0000000003990000-0x00000000039DE000-memory.dmp
    Filesize

    312KB

    Download
  • memory/4340-190-0x0000000003970000-0x0000000003973000-memory.dmp
    Filesize

    12KB

    Download
  • memory/4340-148-0x0000000003760000-0x0000000003799000-memory.dmp
    Filesize

    228KB

    Download
  • memory/4340-193-0x00000000042D0000-0x00000000043BC000-memory.dmp
    Filesize

    944KB

    Download
  • memory/4340-194-0x00000000042D0000-0x00000000043BC000-memory.dmp
    Filesize

    944KB

    Download
  • memory/4340-195-0x0000000000400000-0x0000000000427000-memory.dmp
    Filesize

    156KB

    Download
  • memory/4340-196-0x00000000042D0000-0x00000000043BC000-memory.dmp
    Filesize

    944KB

    Download
  • memory/4340-198-0x0000000010000000-0x0000000010017000-memory.dmp
    Filesize

    92KB

    Download
  • memory/4340-197-0x0000000010001000-0x000000001000F000-memory.dmp
    Filesize

    56KB

    Download
  • memory/4340-200-0x0000000000400000-0x0000000000427000-memory.dmp
    Filesize

    156KB

    Download
  • memory/4340-210-0x0000000003990000-0x00000000039DE000-memory.dmp
    Filesize

    312KB

    Download
  • memory/4340-211-0x0000000003990000-0x00000000039DE000-memory.dmp
    Filesize

    312KB

    Download
  • memory/4340-213-0x0000000010000000-0x0000000010003000-memory.dmp
    Filesize

    12KB

    Download
  • memory/4340-214-0x0000000002340000-0x000000000236C000-memory.dmp
    Filesize

    176KB

    Download
  • memory/4340-215-0x0000000003760000-0x0000000003799000-memory.dmp
    Filesize

    228KB

    Download
  • memory/4340-216-0x0000000003920000-0x000000000395D000-memory.dmp
    Filesize

    244KB

    Download
  • memory/4340-224-0x0000000000400000-0x0000000000500000-memory.dmp
    Filesize

    1024KB

    Download