General

  • Target

    _RFQ_MVSEASAIL_34.xlsx

  • Size

    2.2MB

  • Sample

    210121-j8c7v8gnk2

  • MD5

    1e885c00156d5de8ae0b075c09638ebb

  • SHA1

    62d93138955f35ef8ddadbf4f530fd6dc0d1beb1

  • SHA256

    611ccb1d6251e3c51bf807fe03850e09229f3420477bf9a5d18e185f3dd7b4a4

  • SHA512

    7af24dd6ac7e6b33c498cde3d2783d882c78ec84ebd0e5f6369e3ea74e9e3c339398232f9db7a4d2c9348ab4e31910b387f4f709cdc5c936962c4449d8a864b9

Malware Config

Extracted

Family

formbook

C2

http://www.kaiyuansu.pro/incn/

Decoy

1bovvfk93jd.com

enlightenedhealthcoaching.com

findthatsmartphone.com

intelligentsystemsus.com

xn--lmsealamientos-tnb.com

eot0luh5ia.men

babanewshop.com

beyond-bit.com

meritane.com

buythinsecret.com

c2ornot.com

twelvesband.com

rktlends.com

bourseandish.com

happyshop88.com

topangacanyonvintage.com

epersonalloansonline.com

roofers-anaheim.com

shanghaiys.net

bickel.wtf

Targets

    • Target

      _RFQ_MVSEASAIL_34.xlsx

    • Size

      2.2MB

    • MD5

      1e885c00156d5de8ae0b075c09638ebb

    • SHA1

      62d93138955f35ef8ddadbf4f530fd6dc0d1beb1

    • SHA256

      611ccb1d6251e3c51bf807fe03850e09229f3420477bf9a5d18e185f3dd7b4a4

    • SHA512

      7af24dd6ac7e6b33c498cde3d2783d882c78ec84ebd0e5f6369e3ea74e9e3c339398232f9db7a4d2c9348ab4e31910b387f4f709cdc5c936962c4449d8a864b9

    • Formbook

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

    • Xloader

      Xloader is a rebranded version of Formbook malware.

    • Xloader Payload

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Enumerates physical storage devices

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Exploitation for Client Execution

1
T1203

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Tasks