Analysis

  • max time kernel
    4294211s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    23-02-2022 17:29

General

  • Target

    1bc6dc2bd7d420c49f410a30bbcf786a7c68a7e324145487edfc8dfb324c6473.exe

  • Size

    347KB

  • MD5

    5e0e9e8a5a59e34b24ae82afb780ee1b

  • SHA1

    b7fcc73c90fc8abdccd0cdd1c2ff306a497461cc

  • SHA256

    1bc6dc2bd7d420c49f410a30bbcf786a7c68a7e324145487edfc8dfb324c6473

  • SHA512

    d7ad21283e25d2b4a6860a23723a7bb7cd3f570471b8072310aa01c321123a2d6dba7fd5b8508431db41d3b75d1d3abcc559160511b8886a6621de862abed502

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://dollybuster.at/upload/

http://spaldingcompanies.com/upload/

http://remik-franchise.ru/upload/

http://fennsports.com/upload/

http://am1420wbec.com/upload/

http://islamic-city.com/upload/

http://egsagl.com/upload/

http://mordo.ru/upload/

http://piratia-life.ru/upload/

rc4.i32
rc4.i32

Extracted

Family

icedid

Campaign

1843818144

C2

grendafolz.com

Signatures

  • IcedID, BokBot

    IcedID is a banking trojan capable of stealing credentials.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • IcedID First Stage Loader 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • UPX packed file 1 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 1 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1bc6dc2bd7d420c49f410a30bbcf786a7c68a7e324145487edfc8dfb324c6473.exe
    "C:\Users\Admin\AppData\Local\Temp\1bc6dc2bd7d420c49f410a30bbcf786a7c68a7e324145487edfc8dfb324c6473.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of AdjustPrivilegeToken
    PID:1784
  • C:\Users\Admin\AppData\Local\Temp\DC6A.exe
    C:\Users\Admin\AppData\Local\Temp\DC6A.exe
    1⤵
    • Executes dropped EXE
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1796
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1796 -s 860
      2⤵
      • Loads dropped DLL
      • Program crash
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1332

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\DC6A.exe

    MD5

    ee0e37deb11cf4a2985c6ed958b13d62

    SHA1

    7d8670e51edef13c46a6189734975f43035f601c

    SHA256

    c1b0455a5a7f7802014ef76bf279e6ec667a3fb89be5d0cef8b356d84642dc94

    SHA512

    bda678fca4c791822d1166be9b4b2691bf8a8fd7e22a4e766f85cd5700f92cc1721284df9b628909378d9ff8e97a50fd278cd1bd4cfb77bbbb78359c36ff2246

  • C:\Users\Admin\AppData\Local\Temp\DC6A.exe

    MD5

    ee0e37deb11cf4a2985c6ed958b13d62

    SHA1

    7d8670e51edef13c46a6189734975f43035f601c

    SHA256

    c1b0455a5a7f7802014ef76bf279e6ec667a3fb89be5d0cef8b356d84642dc94

    SHA512

    bda678fca4c791822d1166be9b4b2691bf8a8fd7e22a4e766f85cd5700f92cc1721284df9b628909378d9ff8e97a50fd278cd1bd4cfb77bbbb78359c36ff2246

  • \Program Files\Common Files\System\symsrv.dll

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • \Users\Admin\AppData\Local\Temp\DC6A.exe

    MD5

    ee0e37deb11cf4a2985c6ed958b13d62

    SHA1

    7d8670e51edef13c46a6189734975f43035f601c

    SHA256

    c1b0455a5a7f7802014ef76bf279e6ec667a3fb89be5d0cef8b356d84642dc94

    SHA512

    bda678fca4c791822d1166be9b4b2691bf8a8fd7e22a4e766f85cd5700f92cc1721284df9b628909378d9ff8e97a50fd278cd1bd4cfb77bbbb78359c36ff2246

  • \Users\Admin\AppData\Local\Temp\DC6A.exe

    MD5

    ee0e37deb11cf4a2985c6ed958b13d62

    SHA1

    7d8670e51edef13c46a6189734975f43035f601c

    SHA256

    c1b0455a5a7f7802014ef76bf279e6ec667a3fb89be5d0cef8b356d84642dc94

    SHA512

    bda678fca4c791822d1166be9b4b2691bf8a8fd7e22a4e766f85cd5700f92cc1721284df9b628909378d9ff8e97a50fd278cd1bd4cfb77bbbb78359c36ff2246

  • \Users\Admin\AppData\Local\Temp\DC6A.exe

    MD5

    ee0e37deb11cf4a2985c6ed958b13d62

    SHA1

    7d8670e51edef13c46a6189734975f43035f601c

    SHA256

    c1b0455a5a7f7802014ef76bf279e6ec667a3fb89be5d0cef8b356d84642dc94

    SHA512

    bda678fca4c791822d1166be9b4b2691bf8a8fd7e22a4e766f85cd5700f92cc1721284df9b628909378d9ff8e97a50fd278cd1bd4cfb77bbbb78359c36ff2246

  • \Users\Admin\AppData\Local\Temp\DC6A.exe

    MD5

    ee0e37deb11cf4a2985c6ed958b13d62

    SHA1

    7d8670e51edef13c46a6189734975f43035f601c

    SHA256

    c1b0455a5a7f7802014ef76bf279e6ec667a3fb89be5d0cef8b356d84642dc94

    SHA512

    bda678fca4c791822d1166be9b4b2691bf8a8fd7e22a4e766f85cd5700f92cc1721284df9b628909378d9ff8e97a50fd278cd1bd4cfb77bbbb78359c36ff2246

  • memory/1244-79-0x0000000002110000-0x0000000002126000-memory.dmp

    Filesize

    88KB

  • memory/1332-88-0x00000000021B0000-0x00000000021B1000-memory.dmp

    Filesize

    4KB

  • memory/1332-83-0x000007FEFB981000-0x000007FEFB983000-memory.dmp

    Filesize

    8KB

  • memory/1784-65-0x000000000040A000-0x000000000040B000-memory.dmp

    Filesize

    4KB

  • memory/1784-78-0x0000000000401000-0x0000000000402000-memory.dmp

    Filesize

    4KB

  • memory/1784-69-0x0000000000416000-0x0000000000417000-memory.dmp

    Filesize

    4KB

  • memory/1784-68-0x000000000040C000-0x000000000040D000-memory.dmp

    Filesize

    4KB

  • memory/1784-67-0x000000000040D000-0x000000000040E000-memory.dmp

    Filesize

    4KB

  • memory/1784-66-0x0000000000417000-0x0000000000418000-memory.dmp

    Filesize

    4KB

  • memory/1784-64-0x0000000000414000-0x0000000000415000-memory.dmp

    Filesize

    4KB

  • memory/1784-71-0x0000000000409000-0x000000000040A000-memory.dmp

    Filesize

    4KB

  • memory/1784-72-0x00000000006C1000-0x00000000006D2000-memory.dmp

    Filesize

    68KB

  • memory/1784-73-0x0000000075251000-0x0000000075253000-memory.dmp

    Filesize

    8KB

  • memory/1784-74-0x0000000000408000-0x0000000000409000-memory.dmp

    Filesize

    4KB

  • memory/1784-75-0x00000000006C1000-0x00000000006D2000-memory.dmp

    Filesize

    68KB

  • memory/1784-76-0x0000000000300000-0x0000000000309000-memory.dmp

    Filesize

    36KB

  • memory/1784-70-0x000000000041D000-0x0000000000420000-memory.dmp

    Filesize

    12KB

  • memory/1784-77-0x0000000000402000-0x0000000000403000-memory.dmp

    Filesize

    4KB

  • memory/1784-61-0x000000000041A000-0x000000000041B000-memory.dmp

    Filesize

    4KB

  • memory/1784-62-0x0000000000419000-0x000000000041A000-memory.dmp

    Filesize

    4KB

  • memory/1784-63-0x000000000040E000-0x000000000040F000-memory.dmp

    Filesize

    4KB

  • memory/1784-55-0x000000000040B000-0x000000000040C000-memory.dmp

    Filesize

    4KB

  • memory/1784-60-0x000000000040F000-0x0000000000410000-memory.dmp

    Filesize

    4KB

  • memory/1784-59-0x0000000000418000-0x0000000000419000-memory.dmp

    Filesize

    4KB

  • memory/1784-58-0x0000000000410000-0x0000000000411000-memory.dmp

    Filesize

    4KB

  • memory/1784-57-0x0000000000413000-0x0000000000414000-memory.dmp

    Filesize

    4KB

  • memory/1784-56-0x0000000000411000-0x0000000000413000-memory.dmp

    Filesize

    8KB

  • memory/1796-82-0x00000000000E0000-0x00000000000EB000-memory.dmp

    Filesize

    44KB