Analysis

  • max time kernel
    152s
  • max time network
    100s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    11-05-2021 13:46

General

  • Target

    ebbaf2b63b0578cee52b64718052ac71f38d7c533a4489abb4e1076d140de252.exe

  • Size

    2.1MB

  • MD5

    58b8d6df10fc2e2819250ec641eecd9f

  • SHA1

    7ddd603ec1f95f5208ec20c10988e9ed562e94ea

  • SHA256

    ebbaf2b63b0578cee52b64718052ac71f38d7c533a4489abb4e1076d140de252

  • SHA512

    ef9a8d0fccfff7d75aa6180eda6a09b0ea1accb5d5e99ec3ac2e28151f6d76a25f702003af675b5937e2ec98a4f7d5eb6a921e9bede3b7e8a3fcc459e76d900c

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs
  • UAC bypass 3 TTPs
  • Executes dropped EXE 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 19 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 5 IoCs
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry key 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ebbaf2b63b0578cee52b64718052ac71f38d7c533a4489abb4e1076d140de252.exe
    "C:\Users\Admin\AppData\Local\Temp\ebbaf2b63b0578cee52b64718052ac71f38d7c533a4489abb4e1076d140de252.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\IAMUMYAI\FgMIsMgw.exe
      "C:\Users\Admin\IAMUMYAI\FgMIsMgw.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:2004
    • C:\ProgramData\GwQQEocs\qEAMAUUA.exe
      "C:\ProgramData\GwQQEocs\qEAMAUUA.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      PID:1980
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\SDKSetup.exe
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:828
      • C:\Users\Admin\AppData\Local\Temp\SDKSetup.exe
        C:\Users\Admin\AppData\Local\Temp\SDKSetup.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1128
    • C:\Windows\SysWOW64\reg.exe
      reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /f /v HideFileExt /t REG_DWORD /d 1
      2⤵
      • Modifies registry key
      PID:1548
    • C:\Windows\SysWOW64\reg.exe
      reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /f /v Hidden /t REG_DWORD /d 2
      2⤵
      • Modifies registry key
      PID:1244
    • C:\Windows\SysWOW64\reg.exe
      reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /d 0 /t REG_DWORD /f
      2⤵
      • Modifies registry key
      PID:848
  • C:\ProgramData\DmokoosE\JAkMYcYI.exe
    C:\ProgramData\DmokoosE\JAkMYcYI.exe
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Drops file in System32 directory
    PID:1760

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Modify Registry

5
T1112

Hidden Files and Directories

1
T1158

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\DmokoosE\JAkMYcYI.exe
    MD5

    e52be6227592bcdd097a562702f1ff10

    SHA1

    d3f8fc72ff8cae70d4ad32ecebfe4fa2f0c7cb08

    SHA256

    bcba11694302385b17b5a928c347bd63b318265e8ae90fac6d2dc81bbc4a4f23

    SHA512

    8825ba202f0c9c689ef8e53c26f902539dc85f8b81ea28883e771a16ed1b8b2ec2aae7dc27162cc98f74b7d40f78f6830f71105dd7fcd158170143bca7762479

  • C:\ProgramData\GwQQEocs\qEAMAUUA.exe
    MD5

    418716369c00281311c114eeee09a6d4

    SHA1

    04c3e491b48576ac55efbd423d3947bd4dd4c1d4

    SHA256

    4b6534354513def118a2153296dcb4fb1e944f390e6c9c84a08af7a62a2ac15d

    SHA512

    8e032d7a8c060c5efbe8c67f91c8ce06e2c84c9e6283cb59ae465508bed9b49204fa7a74e6f589ec61bb9057dbe4b37ff39a42977fda4dfb10ba486c85ec89d6

  • C:\Users\Admin\AppData\Local\Temp\SDKSetup.exe
    MD5

    772e1dc9442497aaa78f4f377d5e289d

    SHA1

    37ad65c7c451ce87e98db4b0b7d1531a730a9134

    SHA256

    5f8fff194eaff9e3da3a334cbc08ec942fe4ec107e575d61f2301ba85b8f3800

    SHA512

    b4912dc967fd355956daa8e231e6bdfcf17238986e2e273ebaf70e3706f1d0ad19cccafedd0aa71cd138df351f2b74147fe868ef326b5dde135d628c0c386b8e

  • C:\Users\Admin\AppData\Local\Temp\SDKSetup.exe
    MD5

    772e1dc9442497aaa78f4f377d5e289d

    SHA1

    37ad65c7c451ce87e98db4b0b7d1531a730a9134

    SHA256

    5f8fff194eaff9e3da3a334cbc08ec942fe4ec107e575d61f2301ba85b8f3800

    SHA512

    b4912dc967fd355956daa8e231e6bdfcf17238986e2e273ebaf70e3706f1d0ad19cccafedd0aa71cd138df351f2b74147fe868ef326b5dde135d628c0c386b8e

  • C:\Users\Admin\IAMUMYAI\FgMIsMgw.exe
    MD5

    af2b6ec0d3410d43444795ac6baabde9

    SHA1

    d12964ef0523606304e21de322a6ce452a69bda1

    SHA256

    dcf48477935adab0744d1b5101a140c2cebfd5c968a8fb8d47476a130e62e677

    SHA512

    9208675a6e80600bc32b3ce4ba957144c055364d03204383402af0289537676aef85509171a3d809ba0129c90404ee8a3c8fa260c18a28624fadd826ab147088

  • \MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\ose.exe
    MD5

    9d10f99a6712e28f8acd5641e3a7ea6b

    SHA1

    835e982347db919a681ba12f3891f62152e50f0d

    SHA256

    70964a0ed9011ea94044e15fa77edd9cf535cc79ed8e03a3721ff007e69595cc

    SHA512

    2141ee5c07aa3e038360013e3f40969e248bed05022d161b992df61f21934c5574ed9d3094ffd5245f5afd84815b24f80bda30055cf4d374f9c6254e842f6bd5

  • \MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\setup.exe
    MD5

    4d92f518527353c0db88a70fddcfd390

    SHA1

    c4baffc19e7d1f0e0ebf73bab86a491c1d152f98

    SHA256

    97e6f3fc1a9163f10b6502509d55bf75ee893967fb35f318954797e8ab4d4d9c

    SHA512

    05a8136ccc45ef73cd5c70ee0ef204d9d2b48b950e938494b6d1a61dfba37527c9600382321d1c031dc74e4cf3e16f001ae0f8cd64d76d765f5509ce8dc76452

  • \MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\setup.exe
    MD5

    4d92f518527353c0db88a70fddcfd390

    SHA1

    c4baffc19e7d1f0e0ebf73bab86a491c1d152f98

    SHA256

    97e6f3fc1a9163f10b6502509d55bf75ee893967fb35f318954797e8ab4d4d9c

    SHA512

    05a8136ccc45ef73cd5c70ee0ef204d9d2b48b950e938494b6d1a61dfba37527c9600382321d1c031dc74e4cf3e16f001ae0f8cd64d76d765f5509ce8dc76452

  • \MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\DW20.EXE
    MD5

    a41e524f8d45f0074fd07805ff0c9b12

    SHA1

    948deacf95a60c3fdf17e0e4db1931a6f3fc5d38

    SHA256

    082329648337e5ba7377fed9d8a178809f37eecb8d795b93cca4ec07d8640ff7

    SHA512

    91bf4be7e82536a85a840dbc9f3ce7b7927d1cedf6391aac93989abae210620433e685b86a12d133a72369a4f8a665c46ac7fc9e8a806e2872d8b1514cbb305f

  • \MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\DW20.EXE
    MD5

    a41e524f8d45f0074fd07805ff0c9b12

    SHA1

    948deacf95a60c3fdf17e0e4db1931a6f3fc5d38

    SHA256

    082329648337e5ba7377fed9d8a178809f37eecb8d795b93cca4ec07d8640ff7

    SHA512

    91bf4be7e82536a85a840dbc9f3ce7b7927d1cedf6391aac93989abae210620433e685b86a12d133a72369a4f8a665c46ac7fc9e8a806e2872d8b1514cbb305f

  • \MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\dwtrig20.exe
    MD5

    c87e561258f2f8650cef999bf643a731

    SHA1

    2c64b901284908e8ed59cf9c912f17d45b05e0af

    SHA256

    a1dfa6639bef3cb4e41175c43730d46a51393942ead826337ca9541ac210c67b

    SHA512

    dea4833aa712c5823f800f5f5a2adcf241c1b2b6747872f540f5ff9da6795c4ddb73db0912593337083c7c67b91e9eaf1b3d39a34b99980fd5904ba3d7d62f6c

  • \ProgramData\GwQQEocs\qEAMAUUA.exe
    MD5

    418716369c00281311c114eeee09a6d4

    SHA1

    04c3e491b48576ac55efbd423d3947bd4dd4c1d4

    SHA256

    4b6534354513def118a2153296dcb4fb1e944f390e6c9c84a08af7a62a2ac15d

    SHA512

    8e032d7a8c060c5efbe8c67f91c8ce06e2c84c9e6283cb59ae465508bed9b49204fa7a74e6f589ec61bb9057dbe4b37ff39a42977fda4dfb10ba486c85ec89d6

  • \ProgramData\GwQQEocs\qEAMAUUA.exe
    MD5

    418716369c00281311c114eeee09a6d4

    SHA1

    04c3e491b48576ac55efbd423d3947bd4dd4c1d4

    SHA256

    4b6534354513def118a2153296dcb4fb1e944f390e6c9c84a08af7a62a2ac15d

    SHA512

    8e032d7a8c060c5efbe8c67f91c8ce06e2c84c9e6283cb59ae465508bed9b49204fa7a74e6f589ec61bb9057dbe4b37ff39a42977fda4dfb10ba486c85ec89d6

  • \ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe
    MD5

    2b48f69517044d82e1ee675b1690c08b

    SHA1

    83ca22c8a8e9355d2b184c516e58b5400d8343e0

    SHA256

    507bdc3ab5a6d9ddba2df68aff6f59572180134252f5eb8cb46f9bb23006b496

    SHA512

    97d9b130a483263ddf59c35baceba999d7c8db4effc97bcb935cb57acc7c8d46d3681c95e24975a099e701997330c6c6175e834ddb16abc48d5e9827c74a325b

  • \ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe
    MD5

    2b48f69517044d82e1ee675b1690c08b

    SHA1

    83ca22c8a8e9355d2b184c516e58b5400d8343e0

    SHA256

    507bdc3ab5a6d9ddba2df68aff6f59572180134252f5eb8cb46f9bb23006b496

    SHA512

    97d9b130a483263ddf59c35baceba999d7c8db4effc97bcb935cb57acc7c8d46d3681c95e24975a099e701997330c6c6175e834ddb16abc48d5e9827c74a325b

  • \ProgramData\Package Cache\{ef6b00ec-13e1-4c25-9064-b2f383cb8412}\vcredist_x64.exe
    MD5

    e9e67cfb6c0c74912d3743176879fc44

    SHA1

    c6b6791a900020abf046e0950b12939d5854c988

    SHA256

    bacba0359c51bf0c74388273a35b95365a00f88b235143ab096dcca93ad4790c

    SHA512

    9bba881d9046ce31794a488b73b87b3e9c3ff09d641d21f4003b525d9078ae5cd91d2b002278e69699117e3c85bfa44a2cc7a184a42f38ca087616b699091aec

  • \ProgramData\Package Cache\{ef6b00ec-13e1-4c25-9064-b2f383cb8412}\vcredist_x64.exe
    MD5

    e9e67cfb6c0c74912d3743176879fc44

    SHA1

    c6b6791a900020abf046e0950b12939d5854c988

    SHA256

    bacba0359c51bf0c74388273a35b95365a00f88b235143ab096dcca93ad4790c

    SHA512

    9bba881d9046ce31794a488b73b87b3e9c3ff09d641d21f4003b525d9078ae5cd91d2b002278e69699117e3c85bfa44a2cc7a184a42f38ca087616b699091aec

  • \ProgramData\Package Cache\{f4220b74-9edd-4ded-bc8b-0342c1e164d8}\VC_redist.x64.exe
    MD5

    caa6e1dcae648ce17bc57a5b7d383cc8

    SHA1

    21fd5579a3d001779e5b8b107a326393d35dff4c

    SHA256

    14ad34fa255132c22b234bb4d30fe6cfd231f4947cccdcbbb94eb85e67135d92

    SHA512

    e4a63894895d20d5e455d6e8c9e81256f56f30f35bf8b385be103114d2e20885f3692bb3ec5e51d1a3073a072da5405200e5ed4a35956684bb8b515a20273ccf

  • \ProgramData\Package Cache\{f4220b74-9edd-4ded-bc8b-0342c1e164d8}\VC_redist.x64.exe
    MD5

    caa6e1dcae648ce17bc57a5b7d383cc8

    SHA1

    21fd5579a3d001779e5b8b107a326393d35dff4c

    SHA256

    14ad34fa255132c22b234bb4d30fe6cfd231f4947cccdcbbb94eb85e67135d92

    SHA512

    e4a63894895d20d5e455d6e8c9e81256f56f30f35bf8b385be103114d2e20885f3692bb3ec5e51d1a3073a072da5405200e5ed4a35956684bb8b515a20273ccf

  • \ProgramData\Package Cache\{f4220b74-9edd-4ded-bc8b-0342c1e164d8}\VC_redist.x64.exe
    MD5

    caa6e1dcae648ce17bc57a5b7d383cc8

    SHA1

    21fd5579a3d001779e5b8b107a326393d35dff4c

    SHA256

    14ad34fa255132c22b234bb4d30fe6cfd231f4947cccdcbbb94eb85e67135d92

    SHA512

    e4a63894895d20d5e455d6e8c9e81256f56f30f35bf8b385be103114d2e20885f3692bb3ec5e51d1a3073a072da5405200e5ed4a35956684bb8b515a20273ccf

  • \ProgramData\Package Cache\{f4220b74-9edd-4ded-bc8b-0342c1e164d8}\VC_redist.x64.exe
    MD5

    caa6e1dcae648ce17bc57a5b7d383cc8

    SHA1

    21fd5579a3d001779e5b8b107a326393d35dff4c

    SHA256

    14ad34fa255132c22b234bb4d30fe6cfd231f4947cccdcbbb94eb85e67135d92

    SHA512

    e4a63894895d20d5e455d6e8c9e81256f56f30f35bf8b385be103114d2e20885f3692bb3ec5e51d1a3073a072da5405200e5ed4a35956684bb8b515a20273ccf

  • \Users\Admin\AppData\Local\Temp\SDKSetup.exe
    MD5

    772e1dc9442497aaa78f4f377d5e289d

    SHA1

    37ad65c7c451ce87e98db4b0b7d1531a730a9134

    SHA256

    5f8fff194eaff9e3da3a334cbc08ec942fe4ec107e575d61f2301ba85b8f3800

    SHA512

    b4912dc967fd355956daa8e231e6bdfcf17238986e2e273ebaf70e3706f1d0ad19cccafedd0aa71cd138df351f2b74147fe868ef326b5dde135d628c0c386b8e

  • \Users\Admin\IAMUMYAI\FgMIsMgw.exe
    MD5

    af2b6ec0d3410d43444795ac6baabde9

    SHA1

    d12964ef0523606304e21de322a6ce452a69bda1

    SHA256

    dcf48477935adab0744d1b5101a140c2cebfd5c968a8fb8d47476a130e62e677

    SHA512

    9208675a6e80600bc32b3ce4ba957144c055364d03204383402af0289537676aef85509171a3d809ba0129c90404ee8a3c8fa260c18a28624fadd826ab147088

  • \Users\Admin\IAMUMYAI\FgMIsMgw.exe
    MD5

    af2b6ec0d3410d43444795ac6baabde9

    SHA1

    d12964ef0523606304e21de322a6ce452a69bda1

    SHA256

    dcf48477935adab0744d1b5101a140c2cebfd5c968a8fb8d47476a130e62e677

    SHA512

    9208675a6e80600bc32b3ce4ba957144c055364d03204383402af0289537676aef85509171a3d809ba0129c90404ee8a3c8fa260c18a28624fadd826ab147088

  • memory/828-73-0x0000000000000000-mapping.dmp
  • memory/848-80-0x0000000000000000-mapping.dmp
  • memory/1128-82-0x000007FEF2D10000-0x000007FEF3DA6000-memory.dmp
    Filesize

    16.6MB

  • memory/1128-89-0x000000001BDA0000-0x000000001C09F000-memory.dmp
    Filesize

    3.0MB

  • memory/1128-81-0x0000000000A00000-0x0000000000A02000-memory.dmp
    Filesize

    8KB

  • memory/1128-75-0x0000000000000000-mapping.dmp
  • memory/1244-79-0x0000000000000000-mapping.dmp
  • memory/1548-78-0x0000000000000000-mapping.dmp
  • memory/1684-60-0x0000000075B31000-0x0000000075B33000-memory.dmp
    Filesize

    8KB

  • memory/1980-68-0x0000000000000000-mapping.dmp
  • memory/2004-63-0x0000000000000000-mapping.dmp