Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    31-07-2020 11:02

General

  • Target

    7b0f78e83f4027c6b6bd15af68b68af2.exe

  • Size

    595KB

  • MD5

    7b0f78e83f4027c6b6bd15af68b68af2

  • SHA1

    cf8fdfb81265fa4ec264f787dedcc2d52c782a36

  • SHA256

    1912d659af4fedbc9e143eff5e666ce460a710fd84c83f7a4c4d8170356e578a

  • SHA512

    37faf89c2735d629c682048fca73b6200c9b313a26307b426f4d60028c4f1d658417629af85ef1633d560fcba0851ad6a5a16615fc7a65945343949e1610de53

Malware Config

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 11 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • JavaScript code in executable 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
  • Modifies data under HKEY_USERS 17 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b0f78e83f4027c6b6bd15af68b68af2.exe
    "C:\Users\Admin\AppData\Local\Temp\7b0f78e83f4027c6b6bd15af68b68af2.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" https://iplogger.org/1vncg7.html
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1076
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1076 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1300
    • C:\Program Files (x86)\wotsuper\wotsuper\wotsuper.exe
      "C:\Program Files (x86)\wotsuper\wotsuper\wotsuper.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1056
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c taskkill /im wotsuper.exe /f & erase C:\Program Files (x86)\wotsuper\wotsuper\wotsuper.exe & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1508
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /im wotsuper.exe /f
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1804
    • C:\Program Files (x86)\wotsuper\wotsuper\wotsuper1.exe
      "C:\Program Files (x86)\wotsuper\wotsuper\wotsuper1.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1536
      • C:\Users\Admin\AppData\Local\Temp\1e52b52e..exe
        "C:\Users\Admin\AppData\Local\Temp\1e52b52e..exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2024
        • C:\Users\Admin\AppData\Local\Temp\1e52b52e..exe
          "C:\Users\Admin\AppData\Local\Temp\1e52b52e..exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1488
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c ping 127.0.0.1 && del "C:\Program Files (x86)\wotsuper\wotsuper\wotsuper1.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:580
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:572
    • C:\Windows\SysWOW64\regedit.exe
      "C:\Windows\System32\regedit.exe" \s C:\Windows\wotsuper.reg
      2⤵
      • Runs .reg file with regedit
      PID:1708

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Collection

Data from Local System

4
T1005

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\wotsuper\wotsuper\wotsuper.exe
    MD5

    befcd9935633f7417e28f2660d676365

    SHA1

    c293d06c991fde8c562b898472a318b0afa067e9

    SHA256

    de6bbc1648a408ff79f5c7e48c25e0095251ecb0fde4ad88fd94adb6d03710b7

    SHA512

    03d34c622fdcc100832831d24eec3e1f8bc65ed22ab160bf032895fc18aebe0e66d403e380705207b7ed001215d7801f0d95af464f72108333e304a5837b828d

  • C:\Program Files (x86)\wotsuper\wotsuper\wotsuper1.exe
    MD5

    e824c09b483093d4825c5ccf76539123

    SHA1

    66399a2d4abdf4f29a35a350ef94946527c7b4d2

    SHA256

    a59e157f814cc47b7f49905796ff81659ecd3e90cf6a96ab2aa5328ea8fbf65e

    SHA512

    883ad2fbd85a32bb39791b4be52d798c59bfab84bd68fbb6a292afcdacd61e3d7b1e7981748821679e411a51e7dd02b736b42f2a1f7ef0a35e1758cb94e10433

  • C:\Program Files (x86)\wotsuper\wotsuper\wotsuper1.exe
    MD5

    e824c09b483093d4825c5ccf76539123

    SHA1

    66399a2d4abdf4f29a35a350ef94946527c7b4d2

    SHA256

    a59e157f814cc47b7f49905796ff81659ecd3e90cf6a96ab2aa5328ea8fbf65e

    SHA512

    883ad2fbd85a32bb39791b4be52d798c59bfab84bd68fbb6a292afcdacd61e3d7b1e7981748821679e411a51e7dd02b736b42f2a1f7ef0a35e1758cb94e10433

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    MD5

    d84ae36716e8af0f0dc13e82e7a32ad5

    SHA1

    8fa333561a08606ff23793e8308d42b9a3d4845d

    SHA256

    aa027e256ed6de411c6f8a7ebdedd1a8a8ebd178389036b9e1d4b9e00b555ead

    SHA512

    f58ea3a8463c666ea9999de56ad41e83c29f8a6c2537760d61c675869f4b30cbee7f25acc7e5917e028fca88eb6ad5ca41265f31c83d5b0f81c2b50789e32779

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\j8hu3ld\imagestore.dat
    MD5

    7df80a6bd38d1f0e7a7f040a10baea53

    SHA1

    60bdd49b3367aa5e7ddd7139b9f307d74329d0e2

    SHA256

    a2ac551b444de677ae8aab9814b26f337ec3dad363743b29b7ce96393af8ba5d

    SHA512

    c2afb1fdf9929c4ce0222f894f9f0de92fcf0f780fdc6a3ba15b271c29cfd1cacb49a2d3a69b0abe79d2300e78be52f0ffe26d2c1fe7c2456a014fbbb5c8decf

  • C:\Users\Admin\AppData\Local\Temp\1e52b52e..exe
    MD5

    d9a97096753da9101e89efe264834629

    SHA1

    bef5989964ecc57613554049b76086d99d4207f0

    SHA256

    2afb9e882933b951a803e82694e39249e51e0ec987212edc46f261240dad76b6

    SHA512

    4d29505235883ec980acdd62a5de049f6ae1209102c0658a70a06c0ffa7da59b312f619c9db3739da412a515b04813a09b0737d7bf64df1c8483083b01b413e5

  • C:\Users\Admin\AppData\Local\Temp\1e52b52e..exe
    MD5

    d9a97096753da9101e89efe264834629

    SHA1

    bef5989964ecc57613554049b76086d99d4207f0

    SHA256

    2afb9e882933b951a803e82694e39249e51e0ec987212edc46f261240dad76b6

    SHA512

    4d29505235883ec980acdd62a5de049f6ae1209102c0658a70a06c0ffa7da59b312f619c9db3739da412a515b04813a09b0737d7bf64df1c8483083b01b413e5

  • C:\Users\Admin\AppData\Local\Temp\1e52b52e..exe
    MD5

    d9a97096753da9101e89efe264834629

    SHA1

    bef5989964ecc57613554049b76086d99d4207f0

    SHA256

    2afb9e882933b951a803e82694e39249e51e0ec987212edc46f261240dad76b6

    SHA512

    4d29505235883ec980acdd62a5de049f6ae1209102c0658a70a06c0ffa7da59b312f619c9db3739da412a515b04813a09b0737d7bf64df1c8483083b01b413e5

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\YE8HXD1X.txt
    MD5

    85fe0592017f78947dde94e2f2b53423

    SHA1

    7f228005099027ad17042c25e7fec5c7a5b87c07

    SHA256

    3bf4706feb7523abf4b9b6b3373e52a7253e2b2f5051343020614833d065ded1

    SHA512

    1d63a528817835ba2dc76bf0ae2ff22935102776ecb815c2ba100d41b8662db52c0c0a000ce1d15d0138b87620aae2cdb876dc17b7401b1c5c45bd1f32b7556e

  • \Program Files (x86)\wotsuper\wotsuper\wotsuper.exe
    MD5

    befcd9935633f7417e28f2660d676365

    SHA1

    c293d06c991fde8c562b898472a318b0afa067e9

    SHA256

    de6bbc1648a408ff79f5c7e48c25e0095251ecb0fde4ad88fd94adb6d03710b7

    SHA512

    03d34c622fdcc100832831d24eec3e1f8bc65ed22ab160bf032895fc18aebe0e66d403e380705207b7ed001215d7801f0d95af464f72108333e304a5837b828d

  • \Program Files (x86)\wotsuper\wotsuper\wotsuper.exe
    MD5

    befcd9935633f7417e28f2660d676365

    SHA1

    c293d06c991fde8c562b898472a318b0afa067e9

    SHA256

    de6bbc1648a408ff79f5c7e48c25e0095251ecb0fde4ad88fd94adb6d03710b7

    SHA512

    03d34c622fdcc100832831d24eec3e1f8bc65ed22ab160bf032895fc18aebe0e66d403e380705207b7ed001215d7801f0d95af464f72108333e304a5837b828d

  • \Program Files (x86)\wotsuper\wotsuper\wotsuper1.exe
    MD5

    e824c09b483093d4825c5ccf76539123

    SHA1

    66399a2d4abdf4f29a35a350ef94946527c7b4d2

    SHA256

    a59e157f814cc47b7f49905796ff81659ecd3e90cf6a96ab2aa5328ea8fbf65e

    SHA512

    883ad2fbd85a32bb39791b4be52d798c59bfab84bd68fbb6a292afcdacd61e3d7b1e7981748821679e411a51e7dd02b736b42f2a1f7ef0a35e1758cb94e10433

  • \ProgramData\mozglue.dll
    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • \ProgramData\msvcp140.dll
    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • \ProgramData\nss3.dll
    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • \ProgramData\vcruntime140.dll
    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • \Users\Admin\AppData\Local\Temp\1e52b52e..exe
    MD5

    d9a97096753da9101e89efe264834629

    SHA1

    bef5989964ecc57613554049b76086d99d4207f0

    SHA256

    2afb9e882933b951a803e82694e39249e51e0ec987212edc46f261240dad76b6

    SHA512

    4d29505235883ec980acdd62a5de049f6ae1209102c0658a70a06c0ffa7da59b312f619c9db3739da412a515b04813a09b0737d7bf64df1c8483083b01b413e5

  • \Users\Admin\AppData\Local\Temp\1e52b52e..exe
    MD5

    d9a97096753da9101e89efe264834629

    SHA1

    bef5989964ecc57613554049b76086d99d4207f0

    SHA256

    2afb9e882933b951a803e82694e39249e51e0ec987212edc46f261240dad76b6

    SHA512

    4d29505235883ec980acdd62a5de049f6ae1209102c0658a70a06c0ffa7da59b312f619c9db3739da412a515b04813a09b0737d7bf64df1c8483083b01b413e5

  • \Users\Admin\AppData\Local\Temp\1e52b52e..exe
    MD5

    d9a97096753da9101e89efe264834629

    SHA1

    bef5989964ecc57613554049b76086d99d4207f0

    SHA256

    2afb9e882933b951a803e82694e39249e51e0ec987212edc46f261240dad76b6

    SHA512

    4d29505235883ec980acdd62a5de049f6ae1209102c0658a70a06c0ffa7da59b312f619c9db3739da412a515b04813a09b0737d7bf64df1c8483083b01b413e5

  • \Users\Admin\AppData\Local\Temp\D47F.tmp
    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • memory/572-26-0x0000000000000000-mapping.dmp
  • memory/580-25-0x0000000000000000-mapping.dmp
  • memory/1056-3-0x0000000000000000-mapping.dmp
  • memory/1076-0-0x0000000000000000-mapping.dmp
  • memory/1300-11-0x0000000000000000-mapping.dmp
  • memory/1488-32-0x0000000000402C70-mapping.dmp
  • memory/1488-31-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB

  • memory/1508-19-0x0000000000000000-mapping.dmp
  • memory/1536-9-0x0000000010000000-0x0000000010017000-memory.dmp
    Filesize

    92KB

  • memory/1536-12-0x0000000001E90000-0x0000000001EAE000-memory.dmp
    Filesize

    120KB

  • memory/1536-6-0x0000000000000000-mapping.dmp
  • memory/1708-8-0x0000000000000000-mapping.dmp
  • memory/1804-20-0x0000000000000000-mapping.dmp
  • memory/2024-28-0x0000000004E50000-0x0000000004E61000-memory.dmp
    Filesize

    68KB

  • memory/2024-27-0x0000000003476000-0x0000000003477000-memory.dmp
    Filesize

    4KB

  • memory/2024-23-0x0000000000000000-mapping.dmp