Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-11-2024 21:51

General

  • Target

    f3f7199ba9ae45e662bed0b593057355aeb5b604817599ee33b70f261ce926c1.exe

  • Size

    1.5MB

  • MD5

    a3007093692d237b7c65f833bddf18d5

  • SHA1

    f7c2841e1a51c7329d673e956f01b04d83db0eaf

  • SHA256

    f3f7199ba9ae45e662bed0b593057355aeb5b604817599ee33b70f261ce926c1

  • SHA512

    1c3acd7a7495a1358951bf704dbfa19d38258adca20954f83e0352d109ed0a518c25864201e0b9283133c3f8bfca6e78e586180836b49bfbcb63307cf7381115

  • SSDEEP

    24576:7i2Tro2H2HESq2eWJ6MQjySjylCnsJ39LyjbJkQFMhmC+6GD9QzF1lU6A:7xTc2H2tFvduySQCnsHyjtk2MYC5GDmY

Malware Config

Extracted

Family

xred

C2

xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Signatures

  • Detect PurpleFox Rootkit 6 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 6 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Gh0strat family
  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Purplefox family
  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • Drops file in Drivers directory 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 11 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • UPX packed file 7 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f3f7199ba9ae45e662bed0b593057355aeb5b604817599ee33b70f261ce926c1.exe
    "C:\Users\Admin\AppData\Local\Temp\f3f7199ba9ae45e662bed0b593057355aeb5b604817599ee33b70f261ce926c1.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\Users\Admin\AppData\Local\Temp\RVN.exe
      C:\Users\Admin\AppData\Local\Temp\\RVN.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2252
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\RVN.exe > nul
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:2012
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2620
    • C:\Users\Admin\AppData\Local\Temp\HD_f3f7199ba9ae45e662bed0b593057355aeb5b604817599ee33b70f261ce926c1.exe
      C:\Users\Admin\AppData\Local\Temp\HD_f3f7199ba9ae45e662bed0b593057355aeb5b604817599ee33b70f261ce926c1.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2424
      • C:\Users\Admin\AppData\Local\Temp\._cache_HD_f3f7199ba9ae45e662bed0b593057355aeb5b604817599ee33b70f261ce926c1.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_HD_f3f7199ba9ae45e662bed0b593057355aeb5b604817599ee33b70f261ce926c1.exe"
        3⤵
        • Executes dropped EXE
        PID:2752
      • C:\ProgramData\Synaptics\Synaptics.exe
        "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2772
        • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
          "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:864
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.exe -acsi
      2⤵
      • Drops file in Drivers directory
      • Sets service image path in registry
      • Executes dropped EXE
      • Suspicious behavior: LoadsDriver
      • Suspicious use of AdjustPrivilegeToken
      PID:2324
  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
    1⤵
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\4r5MXvdT.xlsm

    Filesize

    21KB

    MD5

    869176b72c884c0fb2c7c2096cbe81f0

    SHA1

    a58ed2f14624003f2c90dabca0613788f6f42626

    SHA256

    58d9729b2c830b10c6b97ac0d1fe4839d3c09c5ce1e50b93198c1522b7c7dc8b

    SHA512

    4dec08bb5139374bdf87725c84ef451860820a0b3706173cc3b47479acab3a6b3d89b3ceb5fb089f3472ceae7f6806c183b00fe7a70248f2b0209e635b22d76b

  • C:\Users\Admin\AppData\Local\Temp\4r5MXvdT.xlsm

    Filesize

    21KB

    MD5

    72ce4fc280e6b6515779f73083331102

    SHA1

    44026359db9d03e6db4bc10c98bb542882f5cf4a

    SHA256

    15885bf67f95645e5af58eaf23c1b731699c14db3594fb324362b9b1ea5e5841

    SHA512

    e3a90817364309da743734d602911cc871a54d7fcd27ce931e5eb7dc02b313ff2bbee0e4e0d35305e98ec6b0e99f7b4494197c6717b0996cada01bc97391584c

  • C:\Users\Admin\AppData\Local\Temp\4r5MXvdT.xlsm

    Filesize

    25KB

    MD5

    02ae29eb25fa3148884ca1191e4bfb34

    SHA1

    fc090d73afedb2a26e4d2736f870dc64fd8f1da9

    SHA256

    56b67eba681465bb28d9ba946d89617ca0eccc550206c360ced2a8d2a31034da

    SHA512

    66897b2c059f485c68cce50068fa37d03c5aa1b33467a3a0054440c67cff61207aea719a8219f330c62be7043d4736ed4098c5442910f06f624ff34dc969378f

  • C:\Users\Admin\AppData\Local\Temp\4r5MXvdT.xlsm

    Filesize

    23KB

    MD5

    3bc893a707e062765329bac89edb29ba

    SHA1

    9cd03213882d4266dc8d028fe25859d52dc13bd5

    SHA256

    dc6172f91a7f33355bfb6fd1d7df9d12deee905ac9ce17d0e5d14864d3fa23b8

    SHA512

    dc38fd6abddb6ed387f3bd117f8f5248a1e80d315f736bfd0f485223e8a436585f2c9dc9e3083ad390813803a8572e0d57052e8e7b7e64b3aeda359dcda6bc4e

  • C:\Users\Admin\AppData\Local\Temp\4r5MXvdT.xlsm

    Filesize

    26KB

    MD5

    bfb54f88a42c3ba17c73d660261b3c38

    SHA1

    acd7f31cf61559a319f08740781392a7ba275755

    SHA256

    369951d76de17bd1a116f94003c358948a126bd8c669b9068e9d057797b66a5e

    SHA512

    d238c3ca29bbfd5bf03824313228a84aa765cdfa61b0eb33ddfd1de1e097c575dd180b65e3b6b5f46d4f9a84208b0d676b50af7934b2bc5d2bdff614615ceaae

  • C:\Users\Admin\AppData\Local\Temp\4r5MXvdT.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\HD_X.dat

    Filesize

    576KB

    MD5

    62fac9ef099447024ed09c067fdd1b80

    SHA1

    cd1dfc25ef79de7a0afd47d8e37fd5eba6082dcf

    SHA256

    2b2975b8e2903a9e180241773e84979d1c85aacd269c2805495bf544cfe188af

    SHA512

    9661c42bf688de8bdad615cf270ae55869b543b63afdc883a4b3e6c0a20325d11c3da7de3bd4483428a9a733cfe97d45cc122b87f2f70c71d51794c5388f804a

  • C:\Users\Admin\AppData\Local\Temp\HD_f3f7199ba9ae45e662bed0b593057355aeb5b604817599ee33b70f261ce926c1.exe

    Filesize

    924KB

    MD5

    fc69db50ed849673c9bf40e214cbb6e4

    SHA1

    a04ac9871d08e8a0ed6b79f78fc0d6eae609ee11

    SHA256

    29ae1062e2b89180992283737193e0793df2feda365f8ba59a7037d4f13f1563

    SHA512

    de8039e86738ea8d189dc25b2a9256691a31cbe0c56f50e34bafa7ac0fb339369ded2eeeee53497d6f3d03510cb4f11a917e6b3af7962eced969ed4f524a3c42

  • C:\Users\Admin\Desktop\~$OpenBackup.xlsx

    Filesize

    165B

    MD5

    ff09371174f7c701e75f357a187c06e8

    SHA1

    57f9a638fd652922d7eb23236c80055a91724503

    SHA256

    e4ba04959837c27019a2349015543802439e152ddc4baf4e8c7b9d2b483362a8

    SHA512

    e4d01e5908e9f80b7732473ec6807bb7faa5425e3154d5642350f44d7220af3cffd277e0b67bcf03f1433ac26a26edb3ddd3707715b61d054b979fbb4b453882

  • \Users\Admin\AppData\Local\Temp\._cache_HD_f3f7199ba9ae45e662bed0b593057355aeb5b604817599ee33b70f261ce926c1.exe

    Filesize

    170KB

    MD5

    65aa3807b36baa10d03a373eb33d7879

    SHA1

    badfb2b05a202805fdd884e1a4560d7c4c624998

    SHA256

    dbf5530ba4bb1b78336a70c5697dce50627263626ce9d3df11e89aa6ffbea737

    SHA512

    8081c0c2053b33eab6a0eb7bbdf187c00b6ab7b5c5e675d741a565b29aaed12f54d8ab52fe94c6ea2a8add27697f65af92b9f3e0dbd67c2b7737f197b44c958a

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

    Filesize

    377KB

    MD5

    80ade1893dec9cab7f2e63538a464fcc

    SHA1

    c06614da33a65eddb506db00a124a3fc3f5be02e

    SHA256

    57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

    SHA512

    fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

  • \Users\Admin\Desktop\BlockFind.exe

    Filesize

    1.4MB

    MD5

    8d5ed30bedd5a7888ced3c1edc38cabd

    SHA1

    bccb09ff05893bd44a465b52e6c0faf3bbcfa5b0

    SHA256

    78e23d78c122f0702a1f64c5b7f618d661ec81af5ad43151a91109b8e1eb4948

    SHA512

    d858870ad72a40b54bdc841e2ffa385cc5511b3d06f5153fd22e38372ed922198c3e095b0938efa10c7706157212d01e087837f63c34198018dfeb8dad341195

  • memory/2084-172-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2084-85-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2252-22-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2252-20-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2252-23-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2252-24-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2324-59-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2324-56-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2324-61-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2424-69-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/2424-17-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2772-173-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/2772-174-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB

  • memory/2772-208-0x0000000000400000-0x00000000004ED000-memory.dmp

    Filesize

    948KB