Analysis

  • max time kernel
    151s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    24-10-2021 13:16

General

  • Target

    29669b199ce94a9ee97f8955480b8e8f5b0ed8b38824f.exe

  • Size

    335KB

  • MD5

    a77a8e986138bacc3eeb643cddc9062a

  • SHA1

    da0c4503c6a44796713aac1cb1df104dd9b4e33f

  • SHA256

    29669b199ce94a9ee97f8955480b8e8f5b0ed8b38824f4316f094668a71e0b2c

  • SHA512

    02ec61fe2dde565490de182aa5a9ccfa808a1a2f02792c1d4ed8d0d73b318d69d10cf94c4622851128a9cc46cb397a7eec927cc6328ea24082144481f12e43c3

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

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 7 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 4 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 4 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 7 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\29669b199ce94a9ee97f8955480b8e8f5b0ed8b38824f.exe
    "C:\Users\Admin\AppData\Local\Temp\29669b199ce94a9ee97f8955480b8e8f5b0ed8b38824f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\Users\Admin\AppData\Local\Temp\29669b199ce94a9ee97f8955480b8e8f5b0ed8b38824f.exe
      "C:\Users\Admin\AppData\Local\Temp\29669b199ce94a9ee97f8955480b8e8f5b0ed8b38824f.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:524
  • C:\Users\Admin\AppData\Local\Temp\E14A.exe
    C:\Users\Admin\AppData\Local\Temp\E14A.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Users\Admin\AppData\Local\Temp\E14A.exe
      C:\Users\Admin\AppData\Local\Temp\E14A.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:676
  • C:\Users\Admin\AppData\Local\Temp\FBDD.exe
    C:\Users\Admin\AppData\Local\Temp\FBDD.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1800
    • C:\Users\Admin\AppData\Local\Temp\FBDD.exe
      C:\Users\Admin\AppData\Local\Temp\FBDD.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1104
  • C:\Users\Admin\AppData\Local\Temp\80E.exe
    C:\Users\Admin\AppData\Local\Temp\80E.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Users\Admin\AppData\Local\Temp\80E.exe
      C:\Users\Admin\AppData\Local\Temp\80E.exe
      2⤵
      • Executes dropped EXE
      PID:1968
    • C:\Users\Admin\AppData\Local\Temp\80E.exe
      C:\Users\Admin\AppData\Local\Temp\80E.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:680

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\80E.exe

    MD5

    0cafd553a0f55d525a5ec0ec6c2c06bd

    SHA1

    621e411916749c72cdc4d97f46b843bb758659c1

    SHA256

    3acca9f2af679c0cba972e71c88871397132c5f389a5beffa7710204b0c81987

    SHA512

    b56e4a59cc314ba533cb0c2d763482de28320f7f2c8eb73d9209745f61b4e22b041756d5c20775a0afab67f86eb68c1267b76b5da1baffbadc75b6ffeda3fdb9

  • C:\Users\Admin\AppData\Local\Temp\80E.exe

    MD5

    0cafd553a0f55d525a5ec0ec6c2c06bd

    SHA1

    621e411916749c72cdc4d97f46b843bb758659c1

    SHA256

    3acca9f2af679c0cba972e71c88871397132c5f389a5beffa7710204b0c81987

    SHA512

    b56e4a59cc314ba533cb0c2d763482de28320f7f2c8eb73d9209745f61b4e22b041756d5c20775a0afab67f86eb68c1267b76b5da1baffbadc75b6ffeda3fdb9

  • C:\Users\Admin\AppData\Local\Temp\80E.exe

    MD5

    0cafd553a0f55d525a5ec0ec6c2c06bd

    SHA1

    621e411916749c72cdc4d97f46b843bb758659c1

    SHA256

    3acca9f2af679c0cba972e71c88871397132c5f389a5beffa7710204b0c81987

    SHA512

    b56e4a59cc314ba533cb0c2d763482de28320f7f2c8eb73d9209745f61b4e22b041756d5c20775a0afab67f86eb68c1267b76b5da1baffbadc75b6ffeda3fdb9

  • C:\Users\Admin\AppData\Local\Temp\80E.exe

    MD5

    0cafd553a0f55d525a5ec0ec6c2c06bd

    SHA1

    621e411916749c72cdc4d97f46b843bb758659c1

    SHA256

    3acca9f2af679c0cba972e71c88871397132c5f389a5beffa7710204b0c81987

    SHA512

    b56e4a59cc314ba533cb0c2d763482de28320f7f2c8eb73d9209745f61b4e22b041756d5c20775a0afab67f86eb68c1267b76b5da1baffbadc75b6ffeda3fdb9

  • C:\Users\Admin\AppData\Local\Temp\E14A.exe

    MD5

    1c2d9cf0208c5c8c374ccf93236dc800

    SHA1

    5cb496c2522c3d139b77b0225eff2b79d2d1b761

    SHA256

    0338583080f32e338bb25504417cfaa15c8527cd848091c953424e32f72c49f4

    SHA512

    34b800572fb16034a19febe7e870a04b349d10358e2f60d31a9956b591df351b08a12123d7fd28ec70b6a96a712ed44a74e613278c793408d4c2fcc2beaf0787

  • C:\Users\Admin\AppData\Local\Temp\E14A.exe

    MD5

    1c2d9cf0208c5c8c374ccf93236dc800

    SHA1

    5cb496c2522c3d139b77b0225eff2b79d2d1b761

    SHA256

    0338583080f32e338bb25504417cfaa15c8527cd848091c953424e32f72c49f4

    SHA512

    34b800572fb16034a19febe7e870a04b349d10358e2f60d31a9956b591df351b08a12123d7fd28ec70b6a96a712ed44a74e613278c793408d4c2fcc2beaf0787

  • C:\Users\Admin\AppData\Local\Temp\E14A.exe

    MD5

    1c2d9cf0208c5c8c374ccf93236dc800

    SHA1

    5cb496c2522c3d139b77b0225eff2b79d2d1b761

    SHA256

    0338583080f32e338bb25504417cfaa15c8527cd848091c953424e32f72c49f4

    SHA512

    34b800572fb16034a19febe7e870a04b349d10358e2f60d31a9956b591df351b08a12123d7fd28ec70b6a96a712ed44a74e613278c793408d4c2fcc2beaf0787

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

    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

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

    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

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

    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • \Users\Admin\AppData\Local\Temp\80E.exe

    MD5

    0cafd553a0f55d525a5ec0ec6c2c06bd

    SHA1

    621e411916749c72cdc4d97f46b843bb758659c1

    SHA256

    3acca9f2af679c0cba972e71c88871397132c5f389a5beffa7710204b0c81987

    SHA512

    b56e4a59cc314ba533cb0c2d763482de28320f7f2c8eb73d9209745f61b4e22b041756d5c20775a0afab67f86eb68c1267b76b5da1baffbadc75b6ffeda3fdb9

  • \Users\Admin\AppData\Local\Temp\80E.exe

    MD5

    0cafd553a0f55d525a5ec0ec6c2c06bd

    SHA1

    621e411916749c72cdc4d97f46b843bb758659c1

    SHA256

    3acca9f2af679c0cba972e71c88871397132c5f389a5beffa7710204b0c81987

    SHA512

    b56e4a59cc314ba533cb0c2d763482de28320f7f2c8eb73d9209745f61b4e22b041756d5c20775a0afab67f86eb68c1267b76b5da1baffbadc75b6ffeda3fdb9

  • \Users\Admin\AppData\Local\Temp\E14A.exe

    MD5

    1c2d9cf0208c5c8c374ccf93236dc800

    SHA1

    5cb496c2522c3d139b77b0225eff2b79d2d1b761

    SHA256

    0338583080f32e338bb25504417cfaa15c8527cd848091c953424e32f72c49f4

    SHA512

    34b800572fb16034a19febe7e870a04b349d10358e2f60d31a9956b591df351b08a12123d7fd28ec70b6a96a712ed44a74e613278c793408d4c2fcc2beaf0787

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

    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • memory/524-56-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/524-57-0x0000000000402E0C-mapping.dmp

  • memory/524-58-0x0000000075D31000-0x0000000075D33000-memory.dmp

    Filesize

    8KB

  • memory/676-67-0x0000000000402E0C-mapping.dmp

  • memory/680-96-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/680-93-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/680-99-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/680-101-0x0000000004910000-0x0000000004911000-memory.dmp

    Filesize

    4KB

  • memory/680-92-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/680-94-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/680-97-0x0000000000418D2A-mapping.dmp

  • memory/680-95-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1104-89-0x00000000043A0000-0x00000000043A1000-memory.dmp

    Filesize

    4KB

  • memory/1104-85-0x0000000000418D06-mapping.dmp

  • memory/1104-87-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1104-84-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1128-80-0x0000000000150000-0x0000000000151000-memory.dmp

    Filesize

    4KB

  • memory/1128-77-0x0000000000000000-mapping.dmp

  • memory/1128-83-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

    Filesize

    4KB

  • memory/1284-55-0x0000000001488000-0x0000000001499000-memory.dmp

    Filesize

    68KB

  • memory/1284-59-0x0000000000020000-0x0000000000029000-memory.dmp

    Filesize

    36KB

  • memory/1352-70-0x0000000002A20000-0x0000000002A36000-memory.dmp

    Filesize

    88KB

  • memory/1352-60-0x0000000001DD0000-0x0000000001DE6000-memory.dmp

    Filesize

    88KB

  • memory/1800-71-0x0000000000000000-mapping.dmp

  • memory/1800-74-0x00000000009B0000-0x00000000009B1000-memory.dmp

    Filesize

    4KB

  • memory/1956-63-0x0000000001188000-0x0000000001199000-memory.dmp

    Filesize

    68KB

  • memory/1956-61-0x0000000000000000-mapping.dmp