Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    24-10-2021 13:06

General

  • Target

    acc3a67769fafbcf4d837f8d0a3955fb.exe

  • Size

    229KB

  • MD5

    acc3a67769fafbcf4d837f8d0a3955fb

  • SHA1

    f94890bc739caa13199aca095379768556ba3cbb

  • SHA256

    28728c85010f66ccd3b2b88a39f9ebb074178bdf094c6df5702b9a80e9c3007d

  • SHA512

    501d333746c53ea987021291beab4891679e95f820466cd8d178ec4e130f140d6a61e04ace17750124d764a2e3a358b0f57873b0aed46cc66c9fbbd899e0df9a

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://gejajoo7.top/

http://sysaheu9.top/

http://xacokuo8.top/

http://hajezey1.top/

rc4.i32
rc4.i32

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 8 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 9 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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.

  • Suspicious use of SetThreadContext 6 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\acc3a67769fafbcf4d837f8d0a3955fb.exe
    "C:\Users\Admin\AppData\Local\Temp\acc3a67769fafbcf4d837f8d0a3955fb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1876
    • C:\Users\Admin\AppData\Local\Temp\acc3a67769fafbcf4d837f8d0a3955fb.exe
      "C:\Users\Admin\AppData\Local\Temp\acc3a67769fafbcf4d837f8d0a3955fb.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1060
  • C:\Users\Admin\AppData\Local\Temp\980B.exe
    C:\Users\Admin\AppData\Local\Temp\980B.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:508
    • C:\Users\Admin\AppData\Local\Temp\980B.exe
      C:\Users\Admin\AppData\Local\Temp\980B.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:736
  • C:\Users\Admin\AppData\Local\Temp\B2CC.exe
    C:\Users\Admin\AppData\Local\Temp\B2CC.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1448
    • C:\Users\Admin\AppData\Local\Temp\B2CC.exe
      C:\Users\Admin\AppData\Local\Temp\B2CC.exe
      2⤵
      • Executes dropped EXE
      PID:1720
    • C:\Users\Admin\AppData\Local\Temp\B2CC.exe
      C:\Users\Admin\AppData\Local\Temp\B2CC.exe
      2⤵
      • Executes dropped EXE
      PID:1096
    • C:\Users\Admin\AppData\Local\Temp\B2CC.exe
      C:\Users\Admin\AppData\Local\Temp\B2CC.exe
      2⤵
      • Executes dropped EXE
      PID:1908
    • C:\Users\Admin\AppData\Local\Temp\B2CC.exe
      C:\Users\Admin\AppData\Local\Temp\B2CC.exe
      2⤵
      • Executes dropped EXE
      PID:880
  • C:\Users\Admin\AppData\Local\Temp\BF1D.exe
    C:\Users\Admin\AppData\Local\Temp\BF1D.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Users\Admin\AppData\Local\Temp\BF1D.exe
      C:\Users\Admin\AppData\Local\Temp\BF1D.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1888

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\980B.exe

    MD5

    a77a8e986138bacc3eeb643cddc9062a

    SHA1

    da0c4503c6a44796713aac1cb1df104dd9b4e33f

    SHA256

    29669b199ce94a9ee97f8955480b8e8f5b0ed8b38824f4316f094668a71e0b2c

    SHA512

    02ec61fe2dde565490de182aa5a9ccfa808a1a2f02792c1d4ed8d0d73b318d69d10cf94c4622851128a9cc46cb397a7eec927cc6328ea24082144481f12e43c3

  • C:\Users\Admin\AppData\Local\Temp\980B.exe

    MD5

    a77a8e986138bacc3eeb643cddc9062a

    SHA1

    da0c4503c6a44796713aac1cb1df104dd9b4e33f

    SHA256

    29669b199ce94a9ee97f8955480b8e8f5b0ed8b38824f4316f094668a71e0b2c

    SHA512

    02ec61fe2dde565490de182aa5a9ccfa808a1a2f02792c1d4ed8d0d73b318d69d10cf94c4622851128a9cc46cb397a7eec927cc6328ea24082144481f12e43c3

  • C:\Users\Admin\AppData\Local\Temp\980B.exe

    MD5

    a77a8e986138bacc3eeb643cddc9062a

    SHA1

    da0c4503c6a44796713aac1cb1df104dd9b4e33f

    SHA256

    29669b199ce94a9ee97f8955480b8e8f5b0ed8b38824f4316f094668a71e0b2c

    SHA512

    02ec61fe2dde565490de182aa5a9ccfa808a1a2f02792c1d4ed8d0d73b318d69d10cf94c4622851128a9cc46cb397a7eec927cc6328ea24082144481f12e43c3

  • C:\Users\Admin\AppData\Local\Temp\B2CC.exe

    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • C:\Users\Admin\AppData\Local\Temp\B2CC.exe

    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • C:\Users\Admin\AppData\Local\Temp\B2CC.exe

    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • C:\Users\Admin\AppData\Local\Temp\B2CC.exe

    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • C:\Users\Admin\AppData\Local\Temp\B2CC.exe

    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • C:\Users\Admin\AppData\Local\Temp\B2CC.exe

    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • C:\Users\Admin\AppData\Local\Temp\BF1D.exe

    MD5

    0cafd553a0f55d525a5ec0ec6c2c06bd

    SHA1

    621e411916749c72cdc4d97f46b843bb758659c1

    SHA256

    3acca9f2af679c0cba972e71c88871397132c5f389a5beffa7710204b0c81987

    SHA512

    b56e4a59cc314ba533cb0c2d763482de28320f7f2c8eb73d9209745f61b4e22b041756d5c20775a0afab67f86eb68c1267b76b5da1baffbadc75b6ffeda3fdb9

  • C:\Users\Admin\AppData\Local\Temp\BF1D.exe

    MD5

    0cafd553a0f55d525a5ec0ec6c2c06bd

    SHA1

    621e411916749c72cdc4d97f46b843bb758659c1

    SHA256

    3acca9f2af679c0cba972e71c88871397132c5f389a5beffa7710204b0c81987

    SHA512

    b56e4a59cc314ba533cb0c2d763482de28320f7f2c8eb73d9209745f61b4e22b041756d5c20775a0afab67f86eb68c1267b76b5da1baffbadc75b6ffeda3fdb9

  • C:\Users\Admin\AppData\Local\Temp\BF1D.exe

    MD5

    0cafd553a0f55d525a5ec0ec6c2c06bd

    SHA1

    621e411916749c72cdc4d97f46b843bb758659c1

    SHA256

    3acca9f2af679c0cba972e71c88871397132c5f389a5beffa7710204b0c81987

    SHA512

    b56e4a59cc314ba533cb0c2d763482de28320f7f2c8eb73d9209745f61b4e22b041756d5c20775a0afab67f86eb68c1267b76b5da1baffbadc75b6ffeda3fdb9

  • \Users\Admin\AppData\Local\Temp\980B.exe

    MD5

    a77a8e986138bacc3eeb643cddc9062a

    SHA1

    da0c4503c6a44796713aac1cb1df104dd9b4e33f

    SHA256

    29669b199ce94a9ee97f8955480b8e8f5b0ed8b38824f4316f094668a71e0b2c

    SHA512

    02ec61fe2dde565490de182aa5a9ccfa808a1a2f02792c1d4ed8d0d73b318d69d10cf94c4622851128a9cc46cb397a7eec927cc6328ea24082144481f12e43c3

  • \Users\Admin\AppData\Local\Temp\B2CC.exe

    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • \Users\Admin\AppData\Local\Temp\B2CC.exe

    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • \Users\Admin\AppData\Local\Temp\B2CC.exe

    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • \Users\Admin\AppData\Local\Temp\B2CC.exe

    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • \Users\Admin\AppData\Local\Temp\BF1D.exe

    MD5

    0cafd553a0f55d525a5ec0ec6c2c06bd

    SHA1

    621e411916749c72cdc4d97f46b843bb758659c1

    SHA256

    3acca9f2af679c0cba972e71c88871397132c5f389a5beffa7710204b0c81987

    SHA512

    b56e4a59cc314ba533cb0c2d763482de28320f7f2c8eb73d9209745f61b4e22b041756d5c20775a0afab67f86eb68c1267b76b5da1baffbadc75b6ffeda3fdb9

  • memory/508-63-0x0000000001198000-0x00000000011A9000-memory.dmp

    Filesize

    68KB

  • memory/508-70-0x0000000000020000-0x0000000000029000-memory.dmp

    Filesize

    36KB

  • memory/508-61-0x0000000000000000-mapping.dmp

  • memory/736-66-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/736-67-0x0000000000402E0C-mapping.dmp

  • memory/880-103-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/880-104-0x0000000000418D06-mapping.dmp

  • memory/880-106-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/880-108-0x0000000004630000-0x0000000004631000-memory.dmp

    Filesize

    4KB

  • memory/1060-56-0x0000000000402EE8-mapping.dmp

  • memory/1060-55-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1060-57-0x0000000075B71000-0x0000000075B73000-memory.dmp

    Filesize

    8KB

  • memory/1304-71-0x0000000002C80000-0x0000000002C96000-memory.dmp

    Filesize

    88KB

  • memory/1304-60-0x00000000029B0000-0x00000000029C6000-memory.dmp

    Filesize

    88KB

  • memory/1448-72-0x0000000000000000-mapping.dmp

  • memory/1448-75-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/1644-83-0x0000000004A90000-0x0000000004A91000-memory.dmp

    Filesize

    4KB

  • memory/1644-81-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/1644-78-0x0000000000000000-mapping.dmp

  • memory/1876-58-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/1876-59-0x0000000000240000-0x0000000000249000-memory.dmp

    Filesize

    36KB

  • memory/1888-99-0x0000000000890000-0x0000000000891000-memory.dmp

    Filesize

    4KB

  • memory/1888-94-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1888-88-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1888-89-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1888-90-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1888-91-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1888-92-0x0000000000418D2A-mapping.dmp

  • memory/1888-87-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB