Analysis

  • max time kernel
    36s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 18:10

General

  • Target

    decb2bf5bfa03c7119cc888bee563a945d020cc22fd61c76a058323265d54288.exe

  • Size

    3.5MB

  • MD5

    327ee11b16a0a421bf81efeae8ec0650

  • SHA1

    4834e23ffc47401e66398fb005759da0ce3b6073

  • SHA256

    decb2bf5bfa03c7119cc888bee563a945d020cc22fd61c76a058323265d54288

  • SHA512

    c354057fb36ed015997382b9741b3c0674b6375b8c14b85ad6aa994b96ac5208c86604d5cfc99d6af60102f6434876b8757fdb10e527050aa0ce85b249e83850

  • SSDEEP

    98304:T7YvYPEqY3veKe7sKR0mWJ+bgQYgI6+c0:ThNsKR0mWJsgDc

Malware Config

Signatures

  • Registers COM server for autorun 1 TTPs 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops Chrome extension 3 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Modifies Internet Explorer settings 1 TTPs 8 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\decb2bf5bfa03c7119cc888bee563a945d020cc22fd61c76a058323265d54288.exe
    "C:\Users\Admin\AppData\Local\Temp\decb2bf5bfa03c7119cc888bee563a945d020cc22fd61c76a058323265d54288.exe"
    1⤵
    • Loads dropped DLL
    • Drops Chrome extension
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2028
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\PriceLess\2MlfR9blr5EHeD.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:332
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\PriceLess\2MlfR9blr5EHeD.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:1388

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

3
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\PriceLess\2MlfR9blr5EHeD.dat
    Filesize

    3KB

    MD5

    973cb7945560234189ae136462790e0d

    SHA1

    e0144cd867a2114a9210de85fc8bd0d690330381

    SHA256

    eb567b39240333ec32f1de4ee7f46e9b5be959a3ff8288307d43201bcee9e0c6

    SHA512

    bb3e330c5a342296396403bf31c62f5d13a0a0bed23886dbce9eef8aaea27865cc3595578329e7a54cc3e26bb8a97693dd88c8c0f36b3b0b973c5e6c105e1051

  • C:\Program Files (x86)\PriceLess\2MlfR9blr5EHeD.tlb
    Filesize

    3KB

    MD5

    d5c4233a6c3de331b459f5f6a35ae3dd

    SHA1

    b5f1bf145f4e0896d7ae500abecbfaca715c18ab

    SHA256

    f3fca93b2a2848af13dcd30cad6305d20319d0a96f622f96753c1aebb91c885c

    SHA512

    4af48daa80dcd76cf45018d7edef74f35c5917457dd598f5a2071bba8875d75280326e41f3f5885d5301a596c22a3833cb062e2f4c97e0d83a01ad2644056e76

  • C:\Program Files (x86)\PriceLess\2MlfR9blr5EHeD.x64.dll
    Filesize

    693KB

    MD5

    c59945c3f5074d51077f2d598680aa11

    SHA1

    7d2ab4599f476d9da677283bdfcff5164a30b2e7

    SHA256

    10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

    SHA512

    d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

  • \Program Files (x86)\PriceLess\2MlfR9blr5EHeD.dll
    Filesize

    611KB

    MD5

    123fde8f1a45be2f971b36a8ae5457ef

    SHA1

    78f77c976bec0b388407f986e7866818512eec97

    SHA256

    12869f73fb78fcbb8876e10772d081890b19fd1e228dd83ca012416cf26e931e

    SHA512

    4ae3708e45e15a49e7ba1d338a9186ed47f41abe57727d57833a33be887043dcb950d02bc52f79ee414df0df56c3e87f213995fa222a6f0e1c659393860231d9

  • \Program Files (x86)\PriceLess\2MlfR9blr5EHeD.x64.dll
    Filesize

    693KB

    MD5

    c59945c3f5074d51077f2d598680aa11

    SHA1

    7d2ab4599f476d9da677283bdfcff5164a30b2e7

    SHA256

    10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

    SHA512

    d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

  • \Program Files (x86)\PriceLess\2MlfR9blr5EHeD.x64.dll
    Filesize

    693KB

    MD5

    c59945c3f5074d51077f2d598680aa11

    SHA1

    7d2ab4599f476d9da677283bdfcff5164a30b2e7

    SHA256

    10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

    SHA512

    d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

  • memory/332-61-0x0000000000000000-mapping.dmp
  • memory/1388-65-0x0000000000000000-mapping.dmp
  • memory/1388-66-0x000007FEFB8D1000-0x000007FEFB8D3000-memory.dmp
    Filesize

    8KB

  • memory/2028-54-0x0000000075561000-0x0000000075563000-memory.dmp
    Filesize

    8KB

  • memory/2028-55-0x0000000000350000-0x00000000003F5000-memory.dmp
    Filesize

    660KB