Analysis

  • max time kernel
    9s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 16:31

General

  • Target

    fc5717a5981313030677bb2cc0b6e8e4bb35cdf89d6b5bb37e8534c9957027b6.exe

  • Size

    2.5MB

  • MD5

    a7bf83d42b445adaf0bd51f8dd8ba19f

  • SHA1

    31b74718bb5f9df5af843eab94c670a34a1fcca6

  • SHA256

    fc5717a5981313030677bb2cc0b6e8e4bb35cdf89d6b5bb37e8534c9957027b6

  • SHA512

    e3dc438ee23953a32274c04ff99d80ae4cb1248fe12a3552ff60b0e1b3712c50fd2bb53a2224178753321b10c1368d1465db0100178105b6f98df77af8ef4650

  • SSDEEP

    49152:h1Os1kyT7S7xhSCUXDejvUwpRZVSVkLhfoEenMc4zppeIifw0hZ:h1OIBJvXDvwpRZVSVIwTn

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 Program Files directory 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fc5717a5981313030677bb2cc0b6e8e4bb35cdf89d6b5bb37e8534c9957027b6.exe
    "C:\Users\Admin\AppData\Local\Temp\fc5717a5981313030677bb2cc0b6e8e4bb35cdf89d6b5bb37e8534c9957027b6.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\Users\Admin\AppData\Local\Temp\7zS895C.tmp\XXmLmSE1ZqPsz4t.exe
      .\XXmLmSE1ZqPsz4t.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1436
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\E4c6zGjGUJIeP6.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:956
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\E4c6zGjGUJIeP6.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:1980

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

1
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)\GoSave\E4c6zGjGUJIeP6.dat
    Filesize

    6KB

    MD5

    a60c1a1bfbdff469808651cc697acacf

    SHA1

    233d5f33d7f04f7f75eeacd26eb097192de3b5e1

    SHA256

    b15e103876846c5b077b343c63407e79c97ded3d83d130e1b2cb4930ead1007d

    SHA512

    ec0834959e3533952a44dd9f8f0253d59415e50c25a8437fa2fbff57234cc0f98159aa2f15d5021df2b4e0f29f253041a158e5fd730395e0187fd4b927cf5a9a

  • C:\Program Files (x86)\GoSave\E4c6zGjGUJIeP6.x64.dll
    Filesize

    873KB

    MD5

    2168b00df6f310015e3e9d44b85513cf

    SHA1

    8ab47b98842329532b275aa772f1e27e611ef3e8

    SHA256

    c0ded994b241830db88c0ec45e210d52271ec2f72e346c8e4155ea4d14b56cc9

    SHA512

    41bf733eb08e4374113e2db8ac673cc2bb0a8cc7650333f410272439aac254d196a36c72afa2a42b44a9565caf0cc2c812853b30985b062a0a8840f47c3252ff

  • C:\Users\Admin\AppData\Local\Temp\7zS895C.tmp\E4c6zGjGUJIeP6.dll
    Filesize

    743KB

    MD5

    489266c672b2bab12b7c64132f367d18

    SHA1

    a25a0a4477595bc095184181da0d84269963702d

    SHA256

    4d9a9066c204f01bdfaa715fe5201152de5facb0c0d07a620ffac73c58ef4e12

    SHA512

    ffeb655dcb6f8d1cda90d77f28f2ee621eca5606b0b05fd9195ca5f80c0afe287acfde35653ac1a934a7da41d2f915bef5b5836831c93db82c3569cb10550006

  • C:\Users\Admin\AppData\Local\Temp\7zS895C.tmp\E4c6zGjGUJIeP6.tlb
    Filesize

    3KB

    MD5

    2d90f92c915e5cdfa043dedb29d0f2f0

    SHA1

    de481e671e326383b34d316d18ebd7664fe749bb

    SHA256

    cd4334b44270b267f9d909cb514a5b7dd4439a362491b817c5a87b262d06b52c

    SHA512

    ea6f84a95c4bffaacd4ddc5505bd4b7a065de33b85259aa59755d43d59b0b47a49ff24d8e8beaa4d708bdcce1d2eef0ea27fdea15f81c0cc6fb5220ce7b70ebf

  • C:\Users\Admin\AppData\Local\Temp\7zS895C.tmp\E4c6zGjGUJIeP6.x64.dll
    Filesize

    873KB

    MD5

    2168b00df6f310015e3e9d44b85513cf

    SHA1

    8ab47b98842329532b275aa772f1e27e611ef3e8

    SHA256

    c0ded994b241830db88c0ec45e210d52271ec2f72e346c8e4155ea4d14b56cc9

    SHA512

    41bf733eb08e4374113e2db8ac673cc2bb0a8cc7650333f410272439aac254d196a36c72afa2a42b44a9565caf0cc2c812853b30985b062a0a8840f47c3252ff

  • C:\Users\Admin\AppData\Local\Temp\7zS895C.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS895C.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    a633e652169b8ce07eb8828f6ef69d91

    SHA1

    8817f1fd69d478da0f177f621c896735c8067e42

    SHA256

    93a982d552cae1e543d390e8ef80736f4062d3f572a9e7e3a88d35a987c6628e

    SHA512

    a9cfeaf24db6bd748cbfd18d433e7c4c6d4045532f157fc58779cd42f0cff572a4fae698baaa696fabe0b8a1f203c32b6c1cac192787647b0fe32442392b262b

  • C:\Users\Admin\AppData\Local\Temp\7zS895C.tmp\[email protected]\content\bg.js
    Filesize

    7KB

    MD5

    24ddc4219b18790aff2ee9f29f700a31

    SHA1

    3b2b4c4dfe80ad9a8e9f7daa288acf21fe3dd6c2

    SHA256

    819fecb68a73f1ff1f4a0dd50a28b14a59c790ddec67d04149b6f3d8b27d5229

    SHA512

    71ebbeab4a57e8dda221f82b336831ab91b7a0c7adfa16df364f3cd27950856e0fb1d976e50f73ba34b1ba62f09e32fcfd625cfc65873fabb92b2bb6a2cdc737

  • C:\Users\Admin\AppData\Local\Temp\7zS895C.tmp\[email protected]\install.rdf
    Filesize

    595B

    MD5

    9546d6fa3bb46c758ee9f50d69a56aa0

    SHA1

    d18d5bdd09a85daa7f2dd04ca3af8b74cabaaf80

    SHA256

    68442ef3878cfc21b0760349bccc2a6ce2b8cda514e6e5fc690c149e893aff44

    SHA512

    a0cc361a5c543e83c158e8583944abe63b10f1015b340b95eb76414e9d23f1ee02546478056613b5ca6939533148daabac43853127fa71d1bf78d8e2ecce0839

  • C:\Users\Admin\AppData\Local\Temp\7zS895C.tmp\XXmLmSE1ZqPsz4t.dat
    Filesize

    6KB

    MD5

    a60c1a1bfbdff469808651cc697acacf

    SHA1

    233d5f33d7f04f7f75eeacd26eb097192de3b5e1

    SHA256

    b15e103876846c5b077b343c63407e79c97ded3d83d130e1b2cb4930ead1007d

    SHA512

    ec0834959e3533952a44dd9f8f0253d59415e50c25a8437fa2fbff57234cc0f98159aa2f15d5021df2b4e0f29f253041a158e5fd730395e0187fd4b927cf5a9a

  • C:\Users\Admin\AppData\Local\Temp\7zS895C.tmp\XXmLmSE1ZqPsz4t.exe
    Filesize

    791KB

    MD5

    8e78cd4b1c05327f9ce03f037eb2bfd0

    SHA1

    381caf0ead67c72ed9cb5c72fcfbf94b54627c41

    SHA256

    91160eda6fbf13634821b1d73a99ed6348581b31f7d76e888c759139e066baac

    SHA512

    7eeb6945d6fbed1a598d4de34317fc955032382f52457eb9eb8681227a15e22c233d9a2d9d90ceea87535e2dc46d1851aaa0fb3cf69d39e76768e500ec81f249

  • C:\Users\Admin\AppData\Local\Temp\7zS895C.tmp\XXmLmSE1ZqPsz4t.exe
    Filesize

    791KB

    MD5

    8e78cd4b1c05327f9ce03f037eb2bfd0

    SHA1

    381caf0ead67c72ed9cb5c72fcfbf94b54627c41

    SHA256

    91160eda6fbf13634821b1d73a99ed6348581b31f7d76e888c759139e066baac

    SHA512

    7eeb6945d6fbed1a598d4de34317fc955032382f52457eb9eb8681227a15e22c233d9a2d9d90ceea87535e2dc46d1851aaa0fb3cf69d39e76768e500ec81f249

  • C:\Users\Admin\AppData\Local\Temp\7zS895C.tmp\heejgnkokfefalgdojpaafofmbdahhjg\BO.js
    Filesize

    5KB

    MD5

    13a458c4de69578b84716093512ece5b

    SHA1

    c50691a5e68ff3a22b49dd4cf60827eb612963f9

    SHA256

    8d81aae9f295eb6276bfe4e188b72f080a2bbacbaeb639166fa7c40d8b6ff659

    SHA512

    ec00af63c02f37bcc0462bf930376dd676a75db8c0ed125a3083912e77ec02b9592d90c9be7d01245e51df25b10775f8090648680599dfd82455738ed8cefab0

  • C:\Users\Admin\AppData\Local\Temp\7zS895C.tmp\heejgnkokfefalgdojpaafofmbdahhjg\background.html
    Filesize

    139B

    MD5

    766df10f1402e2e7a83a7c3513fa9de0

    SHA1

    04bb78604bf9668553aa7d6f0b1ab268275f33e3

    SHA256

    6aa79c298f7932ebe5c3fc65d98b156db4a2e599342d0741676255dd1a7df7a6

    SHA512

    f2653f854c1b1255df93e80e49ca58b4730e771766877b6546047fdb3237d4e6047b028f7917aba4251ffda2e1df079b985e582976b919897de447d99c029743

  • C:\Users\Admin\AppData\Local\Temp\7zS895C.tmp\heejgnkokfefalgdojpaafofmbdahhjg\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS895C.tmp\heejgnkokfefalgdojpaafofmbdahhjg\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS895C.tmp\heejgnkokfefalgdojpaafofmbdahhjg\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • \Program Files (x86)\GoSave\E4c6zGjGUJIeP6.dll
    Filesize

    743KB

    MD5

    489266c672b2bab12b7c64132f367d18

    SHA1

    a25a0a4477595bc095184181da0d84269963702d

    SHA256

    4d9a9066c204f01bdfaa715fe5201152de5facb0c0d07a620ffac73c58ef4e12

    SHA512

    ffeb655dcb6f8d1cda90d77f28f2ee621eca5606b0b05fd9195ca5f80c0afe287acfde35653ac1a934a7da41d2f915bef5b5836831c93db82c3569cb10550006

  • \Program Files (x86)\GoSave\E4c6zGjGUJIeP6.x64.dll
    Filesize

    873KB

    MD5

    2168b00df6f310015e3e9d44b85513cf

    SHA1

    8ab47b98842329532b275aa772f1e27e611ef3e8

    SHA256

    c0ded994b241830db88c0ec45e210d52271ec2f72e346c8e4155ea4d14b56cc9

    SHA512

    41bf733eb08e4374113e2db8ac673cc2bb0a8cc7650333f410272439aac254d196a36c72afa2a42b44a9565caf0cc2c812853b30985b062a0a8840f47c3252ff

  • \Program Files (x86)\GoSave\E4c6zGjGUJIeP6.x64.dll
    Filesize

    873KB

    MD5

    2168b00df6f310015e3e9d44b85513cf

    SHA1

    8ab47b98842329532b275aa772f1e27e611ef3e8

    SHA256

    c0ded994b241830db88c0ec45e210d52271ec2f72e346c8e4155ea4d14b56cc9

    SHA512

    41bf733eb08e4374113e2db8ac673cc2bb0a8cc7650333f410272439aac254d196a36c72afa2a42b44a9565caf0cc2c812853b30985b062a0a8840f47c3252ff

  • \Users\Admin\AppData\Local\Temp\7zS895C.tmp\XXmLmSE1ZqPsz4t.exe
    Filesize

    791KB

    MD5

    8e78cd4b1c05327f9ce03f037eb2bfd0

    SHA1

    381caf0ead67c72ed9cb5c72fcfbf94b54627c41

    SHA256

    91160eda6fbf13634821b1d73a99ed6348581b31f7d76e888c759139e066baac

    SHA512

    7eeb6945d6fbed1a598d4de34317fc955032382f52457eb9eb8681227a15e22c233d9a2d9d90ceea87535e2dc46d1851aaa0fb3cf69d39e76768e500ec81f249

  • memory/956-73-0x0000000000000000-mapping.dmp
  • memory/1284-54-0x00000000762F1000-0x00000000762F3000-memory.dmp
    Filesize

    8KB

  • memory/1436-56-0x0000000000000000-mapping.dmp
  • memory/1980-77-0x0000000000000000-mapping.dmp
  • memory/1980-78-0x000007FEFC421000-0x000007FEFC423000-memory.dmp
    Filesize

    8KB