Analysis

  • max time kernel
    19s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 21:10

General

  • Target

    a720aaf61d60b456f030971af1945dcba9413cacfa916db2fc21bd36f9751e5d.exe

  • Size

    2.5MB

  • MD5

    30e84923bb1d491af41cd69eee326127

  • SHA1

    d97926cb64d105af33461b1d2b3188eb09739803

  • SHA256

    a720aaf61d60b456f030971af1945dcba9413cacfa916db2fc21bd36f9751e5d

  • SHA512

    0fd8aec8a1c6ca6c3ca51fa38a21b9798e4dec3d3fa64442cbc42be11313027009fe62cb134834b650231bb739cc00a08b12eddef52156d31e9935db055ba154

  • SSDEEP

    49152:h1OsEPHVmVhYwiLtKkKyW4nFU0I+NP/f7I3lMOaYjdxvL0HD:h1O9HVl71RnFXINxvk

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 4 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a720aaf61d60b456f030971af1945dcba9413cacfa916db2fc21bd36f9751e5d.exe
    "C:\Users\Admin\AppData\Local\Temp\a720aaf61d60b456f030971af1945dcba9413cacfa916db2fc21bd36f9751e5d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:920
    • C:\Users\Admin\AppData\Local\Temp\7zSA2E5.tmp\DVkIzQnPwozFyzT.exe
      .\DVkIzQnPwozFyzT.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 WriteProcessMemory
      PID:1556
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\SkypEmoticons\VoGRjvvO8r5bps.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1836
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\SkypEmoticons\VoGRjvvO8r5bps.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:636

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)\SkypEmoticons\VoGRjvvO8r5bps.dat
    Filesize

    7KB

    MD5

    0d96fd55142da4c10dc1220273470864

    SHA1

    2a3845b22c9551672293f7f2a6f13d963c7cec79

    SHA256

    3884a69affd4320f2d63bf3cc6ed11186f8075cbcb98a0ba9a04f00c12adb034

    SHA512

    bb1afc327ff81ee10304904472cd52792b8b9bb8d494b1bac05a5c596339b82ac5092dfd2073309ce918c893d414f470a59a1a76d95c20f31305a7b8436004df

  • C:\Program Files (x86)\SkypEmoticons\VoGRjvvO8r5bps.x64.dll
    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • C:\Users\Admin\AppData\Local\Temp\7zSA2E5.tmp\DVkIzQnPwozFyzT.dat
    Filesize

    7KB

    MD5

    0d96fd55142da4c10dc1220273470864

    SHA1

    2a3845b22c9551672293f7f2a6f13d963c7cec79

    SHA256

    3884a69affd4320f2d63bf3cc6ed11186f8075cbcb98a0ba9a04f00c12adb034

    SHA512

    bb1afc327ff81ee10304904472cd52792b8b9bb8d494b1bac05a5c596339b82ac5092dfd2073309ce918c893d414f470a59a1a76d95c20f31305a7b8436004df

  • C:\Users\Admin\AppData\Local\Temp\7zSA2E5.tmp\DVkIzQnPwozFyzT.exe
    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • C:\Users\Admin\AppData\Local\Temp\7zSA2E5.tmp\DVkIzQnPwozFyzT.exe
    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • C:\Users\Admin\AppData\Local\Temp\7zSA2E5.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zSA2E5.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    c9455d031f41b1cba084633fb7593b83

    SHA1

    12ee3ebb27de71d8ce0aa0a135960522539e52a9

    SHA256

    5947f7ddea5919698a47d96636ac7da1b96d775b4178cc71ddfa5705568ed830

    SHA512

    6c321dd542e7f1e3a41167706b0e9ebafdb64f20473334de69c20b274d1d854212e5cad60caec856df2b8b037f44986d67ea229d4465e8e06dbce6c128a44dc7

  • C:\Users\Admin\AppData\Local\Temp\7zSA2E5.tmp\[email protected]\content\bg.js
    Filesize

    8KB

    MD5

    9df079dbac50b84a2e8764296af2574c

    SHA1

    62dcfdca7167aefaf1356be153533a2571d099b2

    SHA256

    bdac26d92a8b6110c47ddada2b5cda11945f9f23e0c3254fa60681ade115ed20

    SHA512

    bf5b6f70abf3b7247f2a2843c359d41ddbd2396753085d77b95b35176f8ce3fbef7845d90208a2c7491015df7e88cad5f85c699c743f2c642091538a16ed0114

  • C:\Users\Admin\AppData\Local\Temp\7zSA2E5.tmp\[email protected]\install.rdf
    Filesize

    602B

    MD5

    317ce1219a28d2c3a6ecb3519c6c8732

    SHA1

    936d2bd828b04ebf3a70180a27f0ed96ad27524d

    SHA256

    1395790c7742ea743b646f6325d41034f333af522314bc3e37c923d3c442f5c4

    SHA512

    f72a54df6b05640c4d88b9ba2f21243d92df9dbb4f002ce92bd6763f7684c870dcc51abf7d757d1114b908b0eb8fb411944fab6dbfefc42aaf1fa6e8a05765f3

  • C:\Users\Admin\AppData\Local\Temp\7zSA2E5.tmp\VoGRjvvO8r5bps.dll
    Filesize

    747KB

    MD5

    d949da968ea04ac3a7ddf0e300bb32be

    SHA1

    581d7d799c538b8e9e578cf57c420fb802d5a201

    SHA256

    5c4756451acf8622efa75639f9131ca8215c165e2ef21cc1ab7f8fee77db462b

    SHA512

    fd00e332af52646425f0d4032bb1bbfc85a44ff274bcf212f1264a29be546db4c1ceab7da32c70248a6baa2c55d2dff47dcb2ac441c783a1d9d1260c4685eb7e

  • C:\Users\Admin\AppData\Local\Temp\7zSA2E5.tmp\VoGRjvvO8r5bps.tlb
    Filesize

    3KB

    MD5

    5b503f1b4056c3d4fbf2d03f88e1adfe

    SHA1

    c8d659ea27bf0ca0bbfd46865d5796589bf9ef68

    SHA256

    231ef0fef77ab6c7fea053f64a9ce7f9e21646b868bfe391962262fc15c9bb6c

    SHA512

    229207201368d9674258389df19132070390f913aa5cc21b7567c515be5f5e0f07cdaa460d497ae355f27f00f7fc75538783d8890f6c9c0e861a7ecb8f520bdb

  • C:\Users\Admin\AppData\Local\Temp\7zSA2E5.tmp\VoGRjvvO8r5bps.x64.dll
    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • C:\Users\Admin\AppData\Local\Temp\7zSA2E5.tmp\lhhmkdfhfhcpcjnmlpljllokfniopnid\MUpWwW.js
    Filesize

    6KB

    MD5

    bdf2bcdc65e38228194870f63178d9a2

    SHA1

    79e458840183eb2792e25c2f0564aacea951f48d

    SHA256

    722b36424b14d4ad80d4bf1b8cb2d2812bae0e4d9256f61f176a40d2b1736f79

    SHA512

    521fa551c729b19b12f0f7f6c9559f30f2fded25fdf298395603a65a379cf5400044b5fe9d66ce4a5392ee92acf27561e9f5005645bfedd86c4465c17481ec22

  • C:\Users\Admin\AppData\Local\Temp\7zSA2E5.tmp\lhhmkdfhfhcpcjnmlpljllokfniopnid\background.html
    Filesize

    143B

    MD5

    3fb57c8c811891c35e4ca82bf0170f5a

    SHA1

    10920bec5e7da56ea3017ad94c06db4a02c37784

    SHA256

    4a35a0af677655c91bb6716f387b0ec801aff9617cc6cd1912f8206061a9d5cb

    SHA512

    f5dfa9ab7befbfe602e6ae9830d862552880855584b63efadf58b43a57e89247c2572b471fa1cdbe95d8b6034dca0b4491b77eb1281148e23bed26f59d48b372

  • C:\Users\Admin\AppData\Local\Temp\7zSA2E5.tmp\lhhmkdfhfhcpcjnmlpljllokfniopnid\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zSA2E5.tmp\lhhmkdfhfhcpcjnmlpljllokfniopnid\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zSA2E5.tmp\lhhmkdfhfhcpcjnmlpljllokfniopnid\manifest.json
    Filesize

    505B

    MD5

    81ffb399385d4747d64ee1e27698ea05

    SHA1

    a86735aa92f91f22d4c32a999d3dc12103bf65ee

    SHA256

    a9e44c9b861cebc3f8c8c3fbba2cdac559d078855b8c63907007e40621244999

    SHA512

    a5162125cfb11779ceaa110b4a5641e38fea29d9a56405386475420024e9285cbd49b13338cf90a7ec207e532f05f61517b5261bf0f67a48ff49d3402eed1167

  • \Program Files (x86)\SkypEmoticons\VoGRjvvO8r5bps.dll
    Filesize

    747KB

    MD5

    d949da968ea04ac3a7ddf0e300bb32be

    SHA1

    581d7d799c538b8e9e578cf57c420fb802d5a201

    SHA256

    5c4756451acf8622efa75639f9131ca8215c165e2ef21cc1ab7f8fee77db462b

    SHA512

    fd00e332af52646425f0d4032bb1bbfc85a44ff274bcf212f1264a29be546db4c1ceab7da32c70248a6baa2c55d2dff47dcb2ac441c783a1d9d1260c4685eb7e

  • \Program Files (x86)\SkypEmoticons\VoGRjvvO8r5bps.x64.dll
    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • \Program Files (x86)\SkypEmoticons\VoGRjvvO8r5bps.x64.dll
    Filesize

    885KB

    MD5

    1a6b1013f17c1cdc6e98f82cd2568ea8

    SHA1

    c96e7bdba616743a5c05b08a342d89ed102376b0

    SHA256

    fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

    SHA512

    10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

  • \Users\Admin\AppData\Local\Temp\7zSA2E5.tmp\DVkIzQnPwozFyzT.exe
    Filesize

    760KB

    MD5

    dcd148f6f3af3e3b0935c4fcc9f41811

    SHA1

    ee9bdbc7c568c7832d90b85921ab20030b6734cd

    SHA256

    f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

    SHA512

    34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

  • memory/636-77-0x0000000000000000-mapping.dmp
  • memory/636-78-0x000007FEFC481000-0x000007FEFC483000-memory.dmp
    Filesize

    8KB

  • memory/920-54-0x00000000760B1000-0x00000000760B3000-memory.dmp
    Filesize

    8KB

  • memory/1556-56-0x0000000000000000-mapping.dmp
  • memory/1836-73-0x0000000000000000-mapping.dmp