Analysis

  • max time kernel
    44s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 01:56

General

  • Target

    49d62be43b892e5756b274f1d8ef8b032311a9142973d0098632350e366db732.exe

  • Size

    2.5MB

  • MD5

    4ae76d80154dcb97d4ac61e22d3c9ef6

  • SHA1

    d2c117e9dd6e30acb3b4c28eba60f9ee1c5d5e9b

  • SHA256

    49d62be43b892e5756b274f1d8ef8b032311a9142973d0098632350e366db732

  • SHA512

    f85f357b7b02e7e047656752ccba2fc1e158dd5687f3a1ff7f89d64997abbd7b21008d099a69bd36fb6e978a79e2c098f3560a6c28e2a859965b35ed796364b0

  • SSDEEP

    49152:h1Os/PHVmVhYwiLtKkKyW4nFU0I+NP/f7I3lMOaYjdxvL0HT:h1OoHVl71RnFXINxv0

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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 11 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
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\49d62be43b892e5756b274f1d8ef8b032311a9142973d0098632350e366db732.exe
    "C:\Users\Admin\AppData\Local\Temp\49d62be43b892e5756b274f1d8ef8b032311a9142973d0098632350e366db732.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:996
    • C:\Users\Admin\AppData\Local\Temp\7zS83C.tmp\zWX3CbC7Ol7r1tC.exe
      .\zWX3CbC7Ol7r1tC.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:952
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\dRGfB1Riz2IFhz.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1312
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\dRGfB1Riz2IFhz.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:1512

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\GoSave\dRGfB1Riz2IFhz.dat

    Filesize

    7KB

    MD5

    bd8b572b5a1e023ce33bc2ecf5888a94

    SHA1

    95038623d23412a3f2a0b08d3ff0816022ba8cf6

    SHA256

    d5ea3898a3be8737db69917793012b390ee18e00bcb91d45c010f9ea7d276379

    SHA512

    412d1b94975713e3b1d0441a5022045dd3598dfb421d4a2345bef7fd76cb0f39850ba1c937f03ddca636f7ed075ecc00ae3c45046b3ff65b2e0d2a018ceea51f

  • C:\Program Files (x86)\GoSave\dRGfB1Riz2IFhz.x64.dll

    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • C:\Users\Admin\AppData\Local\Temp\7zS83C.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS83C.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    8f139b57839ba8016d81fb0f82f89152

    SHA1

    bd1daf542213380ceaec89924b2c32ebe25b800e

    SHA256

    15ca549a636f89c3802fb062a3e59b4b540b07208e154b7f55d9c24f54426d81

    SHA512

    bc08164ea917b2f8fa6ab1f31c3678ab757ce0c8bafa35fc72c1a5a1c51002d45f94d827bd875dc8d2f4e792ee693333bc2d19b7868838f58e4a6a1b51f5542b

  • C:\Users\Admin\AppData\Local\Temp\7zS83C.tmp\[email protected]\content\bg.js

    Filesize

    9KB

    MD5

    92ae713cacc27b274b35211e0c846bd7

    SHA1

    e5c35175f53140cc06718ec04cff9b930b98f1e5

    SHA256

    00eaa1cf88203db67846d0ff5ff17f07d5b76a8b37459415527ea3c29d02b60d

    SHA512

    7f8310c7668b11b1dc95cc91811775e94f2f27e9e2ef36297e0b34c6ec142f989a492f8b43e0df3adc6d4c9b19c346caaaa597dfbee676230ba2d22903703043

  • C:\Users\Admin\AppData\Local\Temp\7zS83C.tmp\[email protected]\install.rdf

    Filesize

    592B

    MD5

    f1955f6dac9e603920b51953b4caf1d4

    SHA1

    6636abb8f60ec4cfabe84c5cbf7c2a2293ddae1f

    SHA256

    6a90c793dbdefe10dbbadc0d0519f4872763e79134dad5e8f4eeac483051e99f

    SHA512

    e1fa93e9c6cc6a55d8bee38a4c76956544fde4486d314951f157ec477d0e61e3d31741299f9a64ababba469c62041e9abc6d3c3d3cbcc12696057a2cc8fa9623

  • C:\Users\Admin\AppData\Local\Temp\7zS83C.tmp\dRGfB1Riz2IFhz.dll

    Filesize

    747KB

    MD5

    d949da968ea04ac3a7ddf0e300bb32be

    SHA1

    581d7d799c538b8e9e578cf57c420fb802d5a201

    SHA256

    5c4756451acf8622efa75639f9131ca8215c165e2ef21cc1ab7f8fee77db462b

    SHA512

    fd00e332af52646425f0d4032bb1bbfc85a44ff274bcf212f1264a29be546db4c1ceab7da32c70248a6baa2c55d2dff47dcb2ac441c783a1d9d1260c4685eb7e

  • C:\Users\Admin\AppData\Local\Temp\7zS83C.tmp\dRGfB1Riz2IFhz.tlb

    Filesize

    3KB

    MD5

    5b503f1b4056c3d4fbf2d03f88e1adfe

    SHA1

    c8d659ea27bf0ca0bbfd46865d5796589bf9ef68

    SHA256

    231ef0fef77ab6c7fea053f64a9ce7f9e21646b868bfe391962262fc15c9bb6c

    SHA512

    229207201368d9674258389df19132070390f913aa5cc21b7567c515be5f5e0f07cdaa460d497ae355f27f00f7fc75538783d8890f6c9c0e861a7ecb8f520bdb

  • C:\Users\Admin\AppData\Local\Temp\7zS83C.tmp\dRGfB1Riz2IFhz.x64.dll

    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • C:\Users\Admin\AppData\Local\Temp\7zS83C.tmp\mlaoglgnokioflfiffjakahheignecmp\Ca.js

    Filesize

    6KB

    MD5

    5d27460b5343fb7c4651ab5311e70b05

    SHA1

    eb4760118fd22f62fcc42f22ed1fca1a79fb229e

    SHA256

    89479750ec528831a1acde89c2640a67de093e9c6faa21ca7b05bb094d73c829

    SHA512

    4a4e1eca9cfc4dfb621a1c851c1b0d00efcb800b1d39a8ad297627e8ce3272d28b9a79fcf6869b987b5318267a5cd20c6a1a2091c03e8cfe43e862134ea75092

  • C:\Users\Admin\AppData\Local\Temp\7zS83C.tmp\mlaoglgnokioflfiffjakahheignecmp\background.html

    Filesize

    139B

    MD5

    f87a1be331f8bd1ed27e712f1a666c3c

    SHA1

    9a9d582921dfb3c42db2897748398169f8a6f1bd

    SHA256

    f9b2ffc82be03076ecf8a61de73d2208158164e375b2e8c58a3b737b5e337c4b

    SHA512

    3885a12ba4118a793f8ecf16fee116520eca652cc8aac3578471b5cf6ca41c7dbd45b16ac4771b147ffd7389827e6e68b94730dc795f0bee78ace44d1ff23ce0

  • C:\Users\Admin\AppData\Local\Temp\7zS83C.tmp\mlaoglgnokioflfiffjakahheignecmp\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS83C.tmp\mlaoglgnokioflfiffjakahheignecmp\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS83C.tmp\mlaoglgnokioflfiffjakahheignecmp\manifest.json

    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zS83C.tmp\zWX3CbC7Ol7r1tC.dat

    Filesize

    7KB

    MD5

    bd8b572b5a1e023ce33bc2ecf5888a94

    SHA1

    95038623d23412a3f2a0b08d3ff0816022ba8cf6

    SHA256

    d5ea3898a3be8737db69917793012b390ee18e00bcb91d45c010f9ea7d276379

    SHA512

    412d1b94975713e3b1d0441a5022045dd3598dfb421d4a2345bef7fd76cb0f39850ba1c937f03ddca636f7ed075ecc00ae3c45046b3ff65b2e0d2a018ceea51f

  • C:\Users\Admin\AppData\Local\Temp\7zS83C.tmp\zWX3CbC7Ol7r1tC.exe

    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • C:\Users\Admin\AppData\Local\Temp\7zS83C.tmp\zWX3CbC7Ol7r1tC.exe

    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • \Program Files (x86)\GoSave\dRGfB1Riz2IFhz.dll

    Filesize

    747KB

    MD5

    d949da968ea04ac3a7ddf0e300bb32be

    SHA1

    581d7d799c538b8e9e578cf57c420fb802d5a201

    SHA256

    5c4756451acf8622efa75639f9131ca8215c165e2ef21cc1ab7f8fee77db462b

    SHA512

    fd00e332af52646425f0d4032bb1bbfc85a44ff274bcf212f1264a29be546db4c1ceab7da32c70248a6baa2c55d2dff47dcb2ac441c783a1d9d1260c4685eb7e

  • \Program Files (x86)\GoSave\dRGfB1Riz2IFhz.x64.dll

    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • \Program Files (x86)\GoSave\dRGfB1Riz2IFhz.x64.dll

    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • \Users\Admin\AppData\Local\Temp\7zS83C.tmp\zWX3CbC7Ol7r1tC.exe

    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • memory/952-56-0x0000000000000000-mapping.dmp

  • memory/996-54-0x00000000760E1000-0x00000000760E3000-memory.dmp

    Filesize

    8KB

  • memory/1312-73-0x0000000000000000-mapping.dmp

  • memory/1512-78-0x000007FEFBBF1000-0x000007FEFBBF3000-memory.dmp

    Filesize

    8KB

  • memory/1512-77-0x0000000000000000-mapping.dmp