Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2022 12:46

General

  • Target

    tmp.exe

  • Size

    576KB

  • MD5

    4218b9cf266916690af26776acf29627

  • SHA1

    d69e2af929a0d406d7eea8316e9747db1d4a7ff0

  • SHA256

    dcc8a16c411d371bf110f3d0bfe6a4224a53810844ef1bc02d3f89f2e02e7c0b

  • SHA512

    fad04a07efa85b91c64022f0b9b1fefdc80a59cd9127e6c1d750f803e2377c71793f20add0532ab2ed595cc9a98a8c9d522c6c42bc6fc07cfdfd2eddf9954d05

  • SSDEEP

    12288:xWO+lpbKbfO7FoxgcSkgyZyfOL5eJxnS4ta5NG3WlViKY:xWnbKzxgcSkgyZeO0TtWN+

Malware Config

Extracted

Family

formbook

Campaign

dcn0

Decoy

ZVx68vDtAMBCwg==

oBMBvsNORkM/O/ox

Ff9pISWkm6eG4lByIspp

c2T42c6CIIF6B8xTxm9XzpVw

bvjhxRbnAC183w==

0lTttSNG4HUDNflyIspp

hPXFlstqiHA/O/ox

WLR+MeerxZ0cNn1ja+IQAYo=

IHRn4xXOVKi477zarG+ObSy7YJA=

Xhf3e+tdAC183w==

Xk0ZAezv2rWH

kngo+vBeSRN7AszNwam3Osmguuqc0MoC

a2Qp7a+E8fSw7LDjpnqEKjsRZA==

3zjy4E7+QM48wg==

YcCmqT3OUNAigVott2pBKiy7YJA=

4+SMeX1juat/5cZ1AZihcyy7YJA=

/+m7sro0OBTl3TMpCw==

i2ctEfe4//a64yklMsgS2J90

+loZ2QKGX0UWgpvErMs=

b9BNCnJWQJS8IfsR0uR3bCy7YJA=

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2032
      • C:\Users\Admin\AppData\Local\Temp\tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
        3⤵
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1628
    • C:\Windows\SysWOW64\colorcpl.exe
      "C:\Windows\SysWOW64\colorcpl.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1756
      • C:\Program Files\Mozilla Firefox\Firefox.exe
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        3⤵
          PID:576

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\sqlite3.dll

      Filesize

      888KB

      MD5

      9c73b282279e74e40435132e61fda001

      SHA1

      63c7248e91b68fbde4641e3c5e2dc3e9d38671fa

      SHA256

      6710d91d77e1937dd5b46d96c0852042985dc78c4c51ce12d3e07a4cdb12c202

      SHA512

      02f9a01a3a5f74ef994ebb9e5f24c6870e2d48c8b99c429a63e74dad73fb581f0b52b2a86d651cafa414675b70a0e85b2e08c843d07e080fe69ee835e3c91108

    • memory/1368-72-0x0000000007020000-0x00000000071AA000-memory.dmp

      Filesize

      1.5MB

    • memory/1368-89-0x0000000006AA0000-0x0000000006B7A000-memory.dmp

      Filesize

      872KB

    • memory/1368-88-0x000007FF16CD0000-0x000007FF16CDA000-memory.dmp

      Filesize

      40KB

    • memory/1368-87-0x000007FEF6600000-0x000007FEF6743000-memory.dmp

      Filesize

      1.3MB

    • memory/1368-85-0x0000000006AA0000-0x0000000006B7A000-memory.dmp

      Filesize

      872KB

    • memory/1368-76-0x0000000004AC0000-0x0000000004BBE000-memory.dmp

      Filesize

      1016KB

    • memory/1628-63-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1628-71-0x00000000001A0000-0x00000000001B0000-memory.dmp

      Filesize

      64KB

    • memory/1628-64-0x00000000004012B0-mapping.dmp

    • memory/1628-66-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1628-67-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1628-68-0x0000000000401000-0x000000000042E000-memory.dmp

      Filesize

      180KB

    • memory/1628-69-0x0000000000A70000-0x0000000000D73000-memory.dmp

      Filesize

      3.0MB

    • memory/1628-78-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1628-70-0x0000000000422000-0x0000000000424000-memory.dmp

      Filesize

      8KB

    • memory/1628-61-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1628-75-0x00000000002E0000-0x00000000002F0000-memory.dmp

      Filesize

      64KB

    • memory/1628-74-0x0000000000422000-0x0000000000424000-memory.dmp

      Filesize

      8KB

    • memory/1628-60-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1628-79-0x0000000000401000-0x000000000042E000-memory.dmp

      Filesize

      180KB

    • memory/1756-77-0x0000000000000000-mapping.dmp

    • memory/1756-81-0x00000000005D0000-0x00000000005E8000-memory.dmp

      Filesize

      96KB

    • memory/1756-82-0x0000000000080000-0x00000000000AD000-memory.dmp

      Filesize

      180KB

    • memory/1756-83-0x0000000001EA0000-0x00000000021A3000-memory.dmp

      Filesize

      3.0MB

    • memory/1756-84-0x0000000001DB0000-0x0000000001E3F000-memory.dmp

      Filesize

      572KB

    • memory/1756-86-0x0000000000080000-0x00000000000AD000-memory.dmp

      Filesize

      180KB

    • memory/2032-54-0x00000000009D0000-0x0000000000A66000-memory.dmp

      Filesize

      600KB

    • memory/2032-59-0x0000000001F20000-0x0000000001F54000-memory.dmp

      Filesize

      208KB

    • memory/2032-58-0x0000000004810000-0x0000000004880000-memory.dmp

      Filesize

      448KB

    • memory/2032-57-0x0000000000540000-0x000000000054E000-memory.dmp

      Filesize

      56KB

    • memory/2032-56-0x0000000000520000-0x0000000000536000-memory.dmp

      Filesize

      88KB

    • memory/2032-55-0x0000000075A71000-0x0000000075A73000-memory.dmp

      Filesize

      8KB