Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10-12-2022 04:36

General

  • Target

    1ade1d842f0cb779839799c419832a9c05238f94a678e7cbf44fae51e2264f71.exe

  • Size

    333KB

  • MD5

    4c974d9519a2bfe890a2fd763224d1e7

  • SHA1

    2e88feb98658d7ffee549438453aef2bc162b115

  • SHA256

    1ade1d842f0cb779839799c419832a9c05238f94a678e7cbf44fae51e2264f71

  • SHA512

    fbfccf98cf6cd86715c7990c31c1a3865ea5833f471cb198bf0bf523583e540f25b285022cecb40d97a93b230b5c89f566699f3c70382af03d13327854da5b27

  • SSDEEP

    6144:9kw4zSWT5nfPUV3IyLOCJ8a2e8/rBpAUfoyrlAtn/3lxS5qr:k38RIyLG88TBawZi/3lkO

Malware Config

Extracted

Family

formbook

Campaign

dwdp

Decoy

jPxWFTS1Rn/K/LD47WRRW7+Veuct8yc=

ke1Wv1l26dZZxDikX9dU3s6k8+w=

+vtNyVBkx8VMf5KCaIj8DYR5QyLJgQ==

GHXPhYzwXcKgZwqBb/kejm7rfobj

yalW64iE8+aXs70=

MD83dBR0KSF4fizgRhAM

Xti3uNm2JDWgssPgRhAM

X7gYbv5uJhpvjdI0Qg==

ydxGznbNJ3tCCLAX4arq4nweMuQ=

Ca+fvtST8OBbosPgRhAM

kG1QegD8mU/E/hLw1t0=

g9FFFjEC5C2IvR/BhbSrpw==

PCkpeg38W0aPdg1rav1DFnVASw==

vSq+xBf3qjY27H3yqepK+g+nOmOMc3m7

G7WYirSZS9EYob8=

WbEWaOVIAPlSNNc4LsfL53weMuQ=

hnyAvEY4n3rTKS4g5mHKxR0=

JN7b0uCqVrQydMl7JNw=

XTki/RASDK6BCW0q8sU=

DQMBWA9wJyOKqqGSmGHKxR0=

Extracted

Family

xloader

Version

3.8

Campaign

dwdp

Decoy

jPxWFTS1Rn/K/LD47WRRW7+Veuct8yc=

ke1Wv1l26dZZxDikX9dU3s6k8+w=

+vtNyVBkx8VMf5KCaIj8DYR5QyLJgQ==

GHXPhYzwXcKgZwqBb/kejm7rfobj

yalW64iE8+aXs70=

MD83dBR0KSF4fizgRhAM

Xti3uNm2JDWgssPgRhAM

X7gYbv5uJhpvjdI0Qg==

ydxGznbNJ3tCCLAX4arq4nweMuQ=

Ca+fvtST8OBbosPgRhAM

kG1QegD8mU/E/hLw1t0=

g9FFFjEC5C2IvR/BhbSrpw==

PCkpeg38W0aPdg1rav1DFnVASw==

vSq+xBf3qjY27H3yqepK+g+nOmOMc3m7

G7WYirSZS9EYob8=

WbEWaOVIAPlSNNc4LsfL53weMuQ=

hnyAvEY4n3rTKS4g5mHKxR0=

JN7b0uCqVrQydMl7JNw=

XTki/RASDK6BCW0q8sU=

DQMBWA9wJyOKqqGSmGHKxR0=

Signatures

  • Formbook

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

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Users\Admin\AppData\Local\Temp\1ade1d842f0cb779839799c419832a9c05238f94a678e7cbf44fae51e2264f71.exe
      "C:\Users\Admin\AppData\Local\Temp\1ade1d842f0cb779839799c419832a9c05238f94a678e7cbf44fae51e2264f71.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2700
      • C:\Users\Admin\AppData\Local\Temp\wyziyqqllh.exe
        "C:\Users\Admin\AppData\Local\Temp\wyziyqqllh.exe" C:\Users\Admin\AppData\Local\Temp\qwdscgke.dnn
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:4320
        • C:\Users\Admin\AppData\Local\Temp\wyziyqqllh.exe
          "C:\Users\Admin\AppData\Local\Temp\wyziyqqllh.exe"
          4⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:4616
    • C:\Windows\SysWOW64\chkdsk.exe
      "C:\Windows\SysWOW64\chkdsk.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Enumerates system info in registry
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1468
      • C:\Program Files\Mozilla Firefox\Firefox.exe
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        3⤵
          PID:4580

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    2
    T1112

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    3
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\fugegefct.s
      Filesize

      185KB

      MD5

      2375912c75db13281f3bfc9c3ddf7646

      SHA1

      9955467017fcb057d1ca868db84f4f7ebc31fd45

      SHA256

      f9cdfa1edf4a5f85d8ddaae338fc550580ff5094eed1507c9beca4097298d861

      SHA512

      56242ec311c00540ebee80b661fb3fcf8674635d48675b17e1de677271ab997f3ae057f009cf34654b5241b11e1a3f0d97f8f99be4e78a4b32b519a7695e5256

    • C:\Users\Admin\AppData\Local\Temp\qwdscgke.dnn
      Filesize

      7KB

      MD5

      2c406815d04080e2fa43ba9e99ceabd3

      SHA1

      27b0f2b81e15d7715867accb5fa68f8c8f4ea209

      SHA256

      b70fa69ab56821b4902e9922d786948c5673440e0f8dd5403385d96d0167cee4

      SHA512

      32df91288abf935fb71e1fa04beeed0d945877f2ed2830fd7068344523371a05bc5fe973f475e8a1f9b5d95f50ca4ae9ab75a5182a063476209f2cb22b6c9b89

    • C:\Users\Admin\AppData\Local\Temp\wyziyqqllh.exe
      Filesize

      276KB

      MD5

      bd4eb7604f815c32830ec68cc479ad62

      SHA1

      00ac1b0b12be758027c01083ad85604305d4b1af

      SHA256

      1b417034908720dffd6e5847b89a013f0414b46a31f2e93f91446f8efede1f64

      SHA512

      b72e5e0e8cce7a22b6053f6daed91e91bc7c81c7a314a8340aa2903d1506b4e04e91ed2d08f343f9a616ecbf3f83cbe4763ee0876dd61e2acab141adc8d4dcd9

    • C:\Users\Admin\AppData\Local\Temp\wyziyqqllh.exe
      Filesize

      276KB

      MD5

      bd4eb7604f815c32830ec68cc479ad62

      SHA1

      00ac1b0b12be758027c01083ad85604305d4b1af

      SHA256

      1b417034908720dffd6e5847b89a013f0414b46a31f2e93f91446f8efede1f64

      SHA512

      b72e5e0e8cce7a22b6053f6daed91e91bc7c81c7a314a8340aa2903d1506b4e04e91ed2d08f343f9a616ecbf3f83cbe4763ee0876dd61e2acab141adc8d4dcd9

    • C:\Users\Admin\AppData\Local\Temp\wyziyqqllh.exe
      Filesize

      276KB

      MD5

      bd4eb7604f815c32830ec68cc479ad62

      SHA1

      00ac1b0b12be758027c01083ad85604305d4b1af

      SHA256

      1b417034908720dffd6e5847b89a013f0414b46a31f2e93f91446f8efede1f64

      SHA512

      b72e5e0e8cce7a22b6053f6daed91e91bc7c81c7a314a8340aa2903d1506b4e04e91ed2d08f343f9a616ecbf3f83cbe4763ee0876dd61e2acab141adc8d4dcd9

    • memory/1468-257-0x0000000001010000-0x00000000011A4000-memory.dmp
      Filesize

      1.6MB

    • memory/1468-256-0x0000000000C30000-0x0000000000C5D000-memory.dmp
      Filesize

      180KB

    • memory/1468-254-0x0000000001010000-0x00000000011A4000-memory.dmp
      Filesize

      1.6MB

    • memory/1468-245-0x00000000053D0000-0x00000000056F0000-memory.dmp
      Filesize

      3.1MB

    • memory/1468-243-0x00000000013C0000-0x00000000013CA000-memory.dmp
      Filesize

      40KB

    • memory/1468-244-0x0000000000C30000-0x0000000000C5D000-memory.dmp
      Filesize

      180KB

    • memory/1468-225-0x0000000000000000-mapping.dmp
    • memory/2252-258-0x0000000005230000-0x000000000531B000-memory.dmp
      Filesize

      940KB

    • memory/2252-255-0x0000000005230000-0x000000000531B000-memory.dmp
      Filesize

      940KB

    • memory/2252-224-0x0000000002E50000-0x0000000002F91000-memory.dmp
      Filesize

      1.3MB

    • memory/2700-155-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-147-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-130-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-131-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-132-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-133-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-134-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-135-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-136-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-137-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-138-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-139-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-140-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-141-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-142-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-143-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-144-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-145-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-146-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-127-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-148-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-149-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-150-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-151-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-152-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-153-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-154-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-128-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-156-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-118-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-119-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-120-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-121-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-122-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-123-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-129-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-124-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-125-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/2700-126-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-164-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-184-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-171-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-172-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-173-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-175-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-176-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-174-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-177-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-179-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-178-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-180-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-181-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-182-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-183-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-170-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-157-0x0000000000000000-mapping.dmp
    • memory/4320-159-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-160-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-162-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-169-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-168-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-161-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-167-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-166-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4320-163-0x0000000077520000-0x00000000776AE000-memory.dmp
      Filesize

      1.6MB

    • memory/4616-227-0x0000000000400000-0x000000000042F000-memory.dmp
      Filesize

      188KB

    • memory/4616-223-0x0000000000430000-0x00000000004DE000-memory.dmp
      Filesize

      696KB

    • memory/4616-222-0x0000000000A50000-0x0000000000D70000-memory.dmp
      Filesize

      3.1MB

    • memory/4616-206-0x0000000000400000-0x000000000042F000-memory.dmp
      Filesize

      188KB

    • memory/4616-199-0x00000000004012B0-mapping.dmp