Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2024 17:52

General

  • Target

    7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe

  • Size

    412KB

  • MD5

    7d62e1b94f471c3d0dc01af8ef1070f2

  • SHA1

    e49e8ba2aa87edf578ce603fc186b89e5f8ddfc3

  • SHA256

    2140eb8fb75c67eb1a7ab305c07dd6bb1bc97fafda4b6632e5e7a58bb077f497

  • SHA512

    8e953a842749bfebd81bb0785b733d5b3330fa4b265eecf0f01422d2d661ce6b7808f617aae5dcc908f3853bc5b74baa86537f7d5860f331f3a4e9bbef0ac59b

  • SSDEEP

    6144:2rKd/9yO8EJKdRWWyU/PgJoK01tDWUej3dc9YJTVK1GHzbAW0tOpOZibXPU/gC9Z:zdl7iutsClIqSYhjKT7x/++U0Zdd

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    l2mymom#

Extracted

Family

gozi

Signatures

  • Gozi

    Gozi is a well-known and widely distributed banking trojan.

  • Detected Nirsoft tools 4 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 8 IoCs

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

  • Drops desktop.ini file(s) 2 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Drops file in System32 directory 11 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops desktop.ini file(s)
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3200
    • C:\Users\Admin\AppData\Local\Temp\Java Update.exe
      "C:\Users\Admin\AppData\Local\Temp\Java Update.exe" /stext C:\Users\Admin\AppData\Local\Temp\mess.txt
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:528
    • C:\Users\Admin\AppData\Local\Temp\Windows Defender.exe
      "C:\Users\Admin\AppData\Local\Temp\Windows Defender.exe" /stext C:\Users\Admin\AppData\Local\Temp\iepv.txt
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:184
    • C:\Users\Admin\AppData\Local\Temp\Microsoft_Update.exe
      C:\Users\Admin\AppData\Local\Temp\Microsoft_Update.exe /stext C:\Users\Admin\AppData\Local\Temp\ChromePass.txt
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4664
    • C:\WINDOWS\system32\explorer\winlogon.exe
      C:\WINDOWS\system32\explorer\winlogon.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ChromePass.txt

    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

  • C:\Users\Admin\AppData\Local\Temp\Java Update.exe

    Filesize

    63KB

    MD5

    fbb93d4c91453b06414d6973152d904e

    SHA1

    4624232c5450e7e9e7ba1f2113a07f8800dc5b5f

    SHA256

    8898b138a3f238fa985992a9d0e48f6b5865dd2cc35e08b83fa326260c510ffe

    SHA512

    4ed926d230af576a945bdd4d9b2d4001e8036abbcf1ef9a35669823d9420b6d95b426d80384a6fd022165c1fc2485fda0e28193b99b301927236928ddfcac6f7

  • C:\Users\Admin\AppData\Local\Temp\Microsoft_Update.exe

    Filesize

    125KB

    MD5

    9b3b1c0db965166319469b2afa6c4f0c

    SHA1

    9f1e65a3056dff872949329c4e5e70c007cc5621

    SHA256

    dbfa10a7deeb6d1ac8fd95ffeb23b87adc58e6388e522812fabe7f710e3cdd89

    SHA512

    c11512599b83fa1875a67915a7e7454512ed8300a0a47c16692ebc1f526755c39c795fe9721dd97d417bfcb29f9e4c1f3283cf4c426af6571b3996005f7e4f5e

  • C:\Users\Admin\AppData\Local\Temp\Windows Defender.exe

    Filesize

    42KB

    MD5

    28c110b8d0ad095131c8d06043678086

    SHA1

    c684cf321e890e0e766a97609a4cde866156d6c5

    SHA256

    dbc2216d5f31f5218e940e3d802998dee90eeb69af69cbeb063c69c6a5a3f1e1

    SHA512

    065e043b76b0e1163e73f4a1c257bae793ae9b46bff1951956c2174ef91deb2528730da77aab76b9e7246d705c3b8c1d23f05dc3b161cacabf3e52d0f563c922

  • C:\WINDOWS\system32\explorer\melt.txt

    Filesize

    86B

    MD5

    59a761c211a2111802550482d5d26d0e

    SHA1

    b12c3fdc250696d634aa546d4a9c3e853ef61ba7

    SHA256

    68bdc4a244f3b984ec14cc13e539eaaef03df9e010eb2b4c9d333e307e93dfb1

    SHA512

    ff1d90d199e258c84b524d5be2aab9650146a2c422badaa98aba0736559e199fce666d4772d8f261116aaab72fdbbae7f395d90a8e1ad9b01cbe6d780dca1751

  • C:\Windows\System32\explorer\winlogon.exe

    Filesize

    412KB

    MD5

    7d62e1b94f471c3d0dc01af8ef1070f2

    SHA1

    e49e8ba2aa87edf578ce603fc186b89e5f8ddfc3

    SHA256

    2140eb8fb75c67eb1a7ab305c07dd6bb1bc97fafda4b6632e5e7a58bb077f497

    SHA512

    8e953a842749bfebd81bb0785b733d5b3330fa4b265eecf0f01422d2d661ce6b7808f617aae5dcc908f3853bc5b74baa86537f7d5860f331f3a4e9bbef0ac59b

  • C:\Windows\System32\explorer\winlogon.exe.exe

    Filesize

    114B

    MD5

    e89f75f918dbdcee28604d4e09dd71d7

    SHA1

    f9d9055e9878723a12063b47d4a1a5f58c3eb1e9

    SHA256

    6dc9c7fc93bb488bb0520a6c780a8d3c0fb5486a4711aca49b4c53fac7393023

    SHA512

    8df0ab2e3679b64a6174deff4259ae5680f88e3ae307e0ea2dfff88ec4ba14f3477c9fe3a5aa5da3a8e857601170a5108ed75f6d6975958ac7a314e4a336aed0

  • memory/184-29-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/184-27-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/528-22-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/528-19-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/3200-7-0x000000001C580000-0x000000001C5CC000-memory.dmp

    Filesize

    304KB

  • memory/3200-5-0x000000001C370000-0x000000001C40C000-memory.dmp

    Filesize

    624KB

  • memory/3200-13-0x000000001DF60000-0x000000001DFA0000-memory.dmp

    Filesize

    256KB

  • memory/3200-11-0x00007FFE9E8D0000-0x00007FFE9F271000-memory.dmp

    Filesize

    9.6MB

  • memory/3200-10-0x00007FFE9E8D0000-0x00007FFE9F271000-memory.dmp

    Filesize

    9.6MB

  • memory/3200-9-0x00007FFE9E8D0000-0x00007FFE9F271000-memory.dmp

    Filesize

    9.6MB

  • memory/3200-8-0x000000001C930000-0x000000001C992000-memory.dmp

    Filesize

    392KB

  • memory/3200-0-0x00007FFE9EB85000-0x00007FFE9EB86000-memory.dmp

    Filesize

    4KB

  • memory/3200-6-0x0000000001070000-0x0000000001078000-memory.dmp

    Filesize

    32KB

  • memory/3200-12-0x000000001F340000-0x000000001F64E000-memory.dmp

    Filesize

    3.1MB

  • memory/3200-1-0x00007FFE9E8D0000-0x00007FFE9F271000-memory.dmp

    Filesize

    9.6MB

  • memory/3200-4-0x000000001C220000-0x000000001C2C6000-memory.dmp

    Filesize

    664KB

  • memory/3200-38-0x00007FFE9E8D0000-0x00007FFE9F271000-memory.dmp

    Filesize

    9.6MB

  • memory/3200-39-0x00007FFE9EB85000-0x00007FFE9EB86000-memory.dmp

    Filesize

    4KB

  • memory/3200-3-0x00007FFE9E8D0000-0x00007FFE9F271000-memory.dmp

    Filesize

    9.6MB

  • memory/3200-2-0x000000001BD50000-0x000000001C21E000-memory.dmp

    Filesize

    4.8MB

  • memory/3200-64-0x00007FFE9E8D0000-0x00007FFE9F271000-memory.dmp

    Filesize

    9.6MB

  • memory/4664-37-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB