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
    24-11-2022 11:57

General

  • Target

    18e39df7487e556ead962801a6a5d3e03149a7ac7f6cfbd33b2902ce298d8b53.exe

  • Size

    2.1MB

  • MD5

    844b15e58e948af7134d325d9938d5fe

  • SHA1

    775025207b42cfdf817d2ad25986d79c3aa266e6

  • SHA256

    18e39df7487e556ead962801a6a5d3e03149a7ac7f6cfbd33b2902ce298d8b53

  • SHA512

    17ac2915a75761171338eed5cb631b11e3488bd52dde52b1fceb8da3c32699520a3437a8fcdb87f66aa437e3a585d7b8c99713354e9f969ac870b13d70605d5b

  • SSDEEP

    24576:h1OYdaOITwLleYkTVug2PiL0jHM8WK5z6Sh19BUfOD4XRt1otyBNvJvMXzGK5Ihy:h1OsTLARTQ9PimJWtShQnvQsrut

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\18e39df7487e556ead962801a6a5d3e03149a7ac7f6cfbd33b2902ce298d8b53.exe
    "C:\Users\Admin\AppData\Local\Temp\18e39df7487e556ead962801a6a5d3e03149a7ac7f6cfbd33b2902ce298d8b53.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1396
    • C:\Users\Admin\AppData\Local\Temp\7zS974.tmp\lgAn4piSSGxcfGI.exe
      .\lgAn4piSSGxcfGI.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:1628
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\PumwJGUMLkeJSN.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1144
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\PumwJGUMLkeJSN.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:780

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    5KB

    MD5

    1ce5dbdb8b21cfdde26e02dcfff06b85

    SHA1

    081ebc294b1af81c012e54b385c25674cd5f3d8f

    SHA256

    a25d72946e55ed106339e18d18b69167e54b42b16fd3ca5e9268f6716fa43265

    SHA512

    8661234f31043aac65f99dd080a315728877f01b8ba5f323a6bd6322718d9fd024f85c18b264da90323e31dab51ff64e4d9e361d017f8879241f1d4db2ee75c1

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

    Filesize

    693KB

    MD5

    c59945c3f5074d51077f2d598680aa11

    SHA1

    7d2ab4599f476d9da677283bdfcff5164a30b2e7

    SHA256

    10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

    SHA512

    d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

  • C:\Users\Admin\AppData\Local\Temp\7zS974.tmp\PumwJGUMLkeJSN.dll

    Filesize

    611KB

    MD5

    123fde8f1a45be2f971b36a8ae5457ef

    SHA1

    78f77c976bec0b388407f986e7866818512eec97

    SHA256

    12869f73fb78fcbb8876e10772d081890b19fd1e228dd83ca012416cf26e931e

    SHA512

    4ae3708e45e15a49e7ba1d338a9186ed47f41abe57727d57833a33be887043dcb950d02bc52f79ee414df0df56c3e87f213995fa222a6f0e1c659393860231d9

  • C:\Users\Admin\AppData\Local\Temp\7zS974.tmp\PumwJGUMLkeJSN.tlb

    Filesize

    3KB

    MD5

    d5c4233a6c3de331b459f5f6a35ae3dd

    SHA1

    b5f1bf145f4e0896d7ae500abecbfaca715c18ab

    SHA256

    f3fca93b2a2848af13dcd30cad6305d20319d0a96f622f96753c1aebb91c885c

    SHA512

    4af48daa80dcd76cf45018d7edef74f35c5917457dd598f5a2071bba8875d75280326e41f3f5885d5301a596c22a3833cb062e2f4c97e0d83a01ad2644056e76

  • C:\Users\Admin\AppData\Local\Temp\7zS974.tmp\PumwJGUMLkeJSN.x64.dll

    Filesize

    693KB

    MD5

    c59945c3f5074d51077f2d598680aa11

    SHA1

    7d2ab4599f476d9da677283bdfcff5164a30b2e7

    SHA256

    10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

    SHA512

    d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

  • C:\Users\Admin\AppData\Local\Temp\7zS974.tmp\gmiopmiiafhimooljbdakbkdgjdgjoan\background.html

    Filesize

    141B

    MD5

    a3407dfdc67bf8be8cf7f6b38e94d0f8

    SHA1

    69c704e9b760839ccbab7f73ef6ea211549334cd

    SHA256

    9a43948afbe5a184fe598f64e0ce774a873db49e87f541f22d0a4b2e0a4ff840

    SHA512

    ed8294a62f28672c347b7f2fe5c7b06981f3f302f58dfc52de547ee7435ddc485fca14a4c181081f71d1118bb162a21616f58ad016927017abac0bbff5c79b74

  • C:\Users\Admin\AppData\Local\Temp\7zS974.tmp\gmiopmiiafhimooljbdakbkdgjdgjoan\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS974.tmp\gmiopmiiafhimooljbdakbkdgjdgjoan\hDGZ.js

    Filesize

    5KB

    MD5

    45d8c63fcbb458639199a2f6a6cb0f49

    SHA1

    f7bf27cfaf9da32d7f91b504e3fec36a0eb4e4c0

    SHA256

    49fc54473b771b28f5361cd4c13c728b024b8b2eb96a0ea184741e0cdf37bf00

    SHA512

    06de6f635618be290fc9ac985b85a0444503342e6b1b446021af03cdc83ce4e1bfe3e5f8ab8ca7a188989ae2e9b8bdfe7e524e677eb5b6c6889f22c079fc93b3

  • C:\Users\Admin\AppData\Local\Temp\7zS974.tmp\gmiopmiiafhimooljbdakbkdgjdgjoan\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS974.tmp\gmiopmiiafhimooljbdakbkdgjdgjoan\manifest.json

    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zS974.tmp\lgAn4piSSGxcfGI.dat

    Filesize

    5KB

    MD5

    1ce5dbdb8b21cfdde26e02dcfff06b85

    SHA1

    081ebc294b1af81c012e54b385c25674cd5f3d8f

    SHA256

    a25d72946e55ed106339e18d18b69167e54b42b16fd3ca5e9268f6716fa43265

    SHA512

    8661234f31043aac65f99dd080a315728877f01b8ba5f323a6bd6322718d9fd024f85c18b264da90323e31dab51ff64e4d9e361d017f8879241f1d4db2ee75c1

  • C:\Users\Admin\AppData\Local\Temp\7zS974.tmp\lgAn4piSSGxcfGI.exe

    Filesize

    634KB

    MD5

    8b3b2e0c8e5f6fdefb32e82daf230175

    SHA1

    4ddeb5ed636661376b8e1ef41e5162387724ed44

    SHA256

    e7be2ab45ff78525377a8da7205bbc29f871c907ddf30879d29aa0c219f65e99

    SHA512

    8aeb49852cb6a1335df799e8e30b34d83303a225c1a7b2e029368246d81463d653109a4454a3f9196fa050c2a5e9ba4dc8372900c55ce989c821c954cb850038

  • C:\Users\Admin\AppData\Local\Temp\7zS974.tmp\lgAn4piSSGxcfGI.exe

    Filesize

    634KB

    MD5

    8b3b2e0c8e5f6fdefb32e82daf230175

    SHA1

    4ddeb5ed636661376b8e1ef41e5162387724ed44

    SHA256

    e7be2ab45ff78525377a8da7205bbc29f871c907ddf30879d29aa0c219f65e99

    SHA512

    8aeb49852cb6a1335df799e8e30b34d83303a225c1a7b2e029368246d81463d653109a4454a3f9196fa050c2a5e9ba4dc8372900c55ce989c821c954cb850038

  • C:\Users\Admin\AppData\Local\Temp\7zS974.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS974.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    0c5df674fac37d01940017012475cbfd

    SHA1

    d9b2da7540c29e855ade869765c75e5817b8a2bc

    SHA256

    3d0103446d61e68ff0f813299352308b6b5aedda270e637af06bf48ca3d65e6d

    SHA512

    248b9e8e0f04818fe586fac64ab0f2a94c0f55736b99725866a102fc93b755929f05fdf4507f979cbdec4991b60045fc03e00ee4887d298a33bdd389430fd316

  • C:\Users\Admin\AppData\Local\Temp\7zS974.tmp\[email protected]\content\bg.js

    Filesize

    7KB

    MD5

    7db2c84a21d32623b08c4cb88ebf26dd

    SHA1

    d65328cd0a2be92812b66e1fe24e4494283aaa29

    SHA256

    3117364529cd1d50efcff0173522824ba99c8437998878b2d16ba4952b05076a

    SHA512

    322148dd68764c7468dff34d23089f3cbf0f0108da932ed328de3117c72fcfe9e386b98a42f6af25ceddeeea0af9eafeb610e5ce1e49ccf25ee36d3f1b29a8e0

  • C:\Users\Admin\AppData\Local\Temp\7zS974.tmp\[email protected]\install.rdf

    Filesize

    597B

    MD5

    076cc8bfc8420b946b687e283d6ea213

    SHA1

    d25de75223db5f4a8e839c83d64a69ba1c4dc48c

    SHA256

    61b3dc1c46adadd224ab74526d06263e0e5e84c5936f1e250ebe5ab442472031

    SHA512

    d9521a0c128a64832f8d7d936e12955e5b8c2e6338f83104332ead8d73b4ab17dccdad08bd62d60e9ecc061f5e82380ee555e6c454a149070efab74ffa503225

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

    Filesize

    611KB

    MD5

    123fde8f1a45be2f971b36a8ae5457ef

    SHA1

    78f77c976bec0b388407f986e7866818512eec97

    SHA256

    12869f73fb78fcbb8876e10772d081890b19fd1e228dd83ca012416cf26e931e

    SHA512

    4ae3708e45e15a49e7ba1d338a9186ed47f41abe57727d57833a33be887043dcb950d02bc52f79ee414df0df56c3e87f213995fa222a6f0e1c659393860231d9

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

    Filesize

    693KB

    MD5

    c59945c3f5074d51077f2d598680aa11

    SHA1

    7d2ab4599f476d9da677283bdfcff5164a30b2e7

    SHA256

    10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

    SHA512

    d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

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

    Filesize

    693KB

    MD5

    c59945c3f5074d51077f2d598680aa11

    SHA1

    7d2ab4599f476d9da677283bdfcff5164a30b2e7

    SHA256

    10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

    SHA512

    d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

  • \Users\Admin\AppData\Local\Temp\7zS974.tmp\lgAn4piSSGxcfGI.exe

    Filesize

    634KB

    MD5

    8b3b2e0c8e5f6fdefb32e82daf230175

    SHA1

    4ddeb5ed636661376b8e1ef41e5162387724ed44

    SHA256

    e7be2ab45ff78525377a8da7205bbc29f871c907ddf30879d29aa0c219f65e99

    SHA512

    8aeb49852cb6a1335df799e8e30b34d83303a225c1a7b2e029368246d81463d653109a4454a3f9196fa050c2a5e9ba4dc8372900c55ce989c821c954cb850038

  • memory/780-77-0x0000000000000000-mapping.dmp

  • memory/780-78-0x000007FEFBBF1000-0x000007FEFBBF3000-memory.dmp

    Filesize

    8KB

  • memory/1144-73-0x0000000000000000-mapping.dmp

  • memory/1396-54-0x00000000760E1000-0x00000000760E3000-memory.dmp

    Filesize

    8KB

  • memory/1628-56-0x0000000000000000-mapping.dmp