Analysis

  • max time kernel
    155s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2023 17:03

General

  • Target

    0bb1c29f4a8c046e798cd9781cc127a7.exe

  • Size

    876KB

  • MD5

    0bb1c29f4a8c046e798cd9781cc127a7

  • SHA1

    bbad89c8d04b20f63d36014f00ded3818e595a53

  • SHA256

    139b8756b01add9dcac07d3a0137b0ea49a932fc4804ad0eca63ffc2958eda72

  • SHA512

    4b439bd85c725f104be24956525a6ae1a16dba28fe254695cbd667933d0cce2225e9a0f934ef17e1f5ef65ac033aa6ed72d016e3bed0bf270dd3d1eef12de63f

  • SSDEEP

    12288:+nkguFRskuUAlWC/44toU73kJiIWK4vV9BrFZsk1q1/1Yah2UKbnltqvTmDcN:0kEkuUAlV46zbk6K6VVZsuSYgF+qvH

Malware Config

Extracted

Family

blustealer

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @@@@@@

Signatures

  • A310logger

    A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • A310logger Executable 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0bb1c29f4a8c046e798cd9781cc127a7.exe
    "C:\Users\Admin\AppData\Local\Temp\0bb1c29f4a8c046e798cd9781cc127a7.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4976
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JacGDBJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp558D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2012
    • C:\Users\Admin\AppData\Local\Temp\0bb1c29f4a8c046e798cd9781cc127a7.exe
      "{path}"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4812
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • outlook_office_path
        • outlook_win_path
        PID:2552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp558D.tmp

    Filesize

    1KB

    MD5

    46ef3f78745a6fcef03d424863df4f5f

    SHA1

    7c6445e114a49e56c43fdeffdada3a27a1955e26

    SHA256

    f092902dfd7a2433377b0f5aaa7bba18601f4cfe2bb559cc13960c35e0d05d49

    SHA512

    907eac8092ead453974f6e95e62e52b4da8c2549e280c3f250c787b4a6617def91b0ebaf3ef36226c3a6ccbf509777380bce8747cf2d7d1fc0d5f7cd1337fdb7

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\F6NDNHWCM2.zip

    Filesize

    285KB

    MD5

    40a9752d59f2883e40d928f85a749008

    SHA1

    c60fb58eff64a7969b46f3934766f991352eeb47

    SHA256

    ef95540ec8dae3d255439fb847d26397c265b5cccda5ed0d6b9ed3dda14a2820

    SHA512

    ce33985f91103315accb1039635488d7e144df264bab8e164c1f9844ce6923e1c9c76349f14542901887ffcbbbca40b92cf474126f0b94893e8af1f608464b3c

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files.zip

    Filesize

    24B

    MD5

    98a833e15d18697e8e56cdafb0642647

    SHA1

    e5f94d969899646a3d4635f28a7cd9dd69705887

    SHA256

    ff006c86b5ec033fe3cafd759bf75be00e50c375c75157e99c0c5d39c96a2a6c

    SHA512

    c6f9a09d9707b770dbc10d47c4d9b949f4ebf5f030b5ef8c511b635c32d418ad25d72eee5d7ed02a96aeb8bf2c85491ca1aa0e4336d242793c886ed1bcdd910b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files.zip

    Filesize

    24KB

    MD5

    4beacb06c06c4248656da2918197bd4e

    SHA1

    d4bd54dec65737ff674857ab9335294500536da6

    SHA256

    b08ba29edc1b7861d16c3677bda1afcd6c5e9acc16e1c29a86219f7a19c3b8a8

    SHA512

    3e3dc6ead15603501ca5b7276b70be9d1037cff236eba7d26d5d6a5ead1bf5db458477415a4bc106c00f8e74b7d10b181dfb469516cda6892acb8bf4fe8a5a87

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\Are.docx

    Filesize

    11KB

    MD5

    a33e5b189842c5867f46566bdbf7a095

    SHA1

    e1c06359f6a76da90d19e8fd95e79c832edb3196

    SHA256

    5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

    SHA512

    f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\CloseConvertFrom.txt

    Filesize

    39KB

    MD5

    809603ee8e1f100e0f0598f1d384529b

    SHA1

    47e02ec9f672210297a6b462cda2b763feebe665

    SHA256

    dcce5827065be416162ac53e61fb9667beefdbbd588f9ede78089472efcdc2d1

    SHA512

    fc848037e59e180c12a579c235489aee62fb3f21249b9daba92187bdd332d0fdff31044542df3fd0b760e776ea8d3edce64bd0e61f2b3ec143aa5e3ab56d5155

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\ConvertGroup.pdf

    Filesize

    57KB

    MD5

    a8e530725428064bb5cbcf32c40a0e7d

    SHA1

    81e7ab9a51921276f4e1ca4a3a9a225936328578

    SHA256

    a258350a82087efe600611f6bd42a804b1e605ae6d70ce37e8a8e4c05e82950f

    SHA512

    3e81c30134902d457f05c2e5ecb0bf1f84694085cc8a2b5f38e1fb3779e991c5955a7c68c1bb0cd599e208eae968425c8be6ae6fc569250749066eee608a0036

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\ConvertShow.pdf

    Filesize

    75KB

    MD5

    d450d7eded49b69964360e3e48b0aa5d

    SHA1

    51acb81d0d2ac189b4bac7ad3712bce700c14046

    SHA256

    7dbc1b9beb1c6deecf917d8a3fe063618dcef813c17efac33c17dee59b52ecbb

    SHA512

    49f4598aea58b5aae26819bba58d5b9b181a2bfd434ad4ec2382e2288db0e21326e0d2e337386475e3a4d821b89f2dd633e7dbbc2d9d49fb2ee9ffae12386899

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\Files.docx

    Filesize

    11KB

    MD5

    4a8fbd593a733fc669169d614021185b

    SHA1

    166e66575715d4c52bcb471c09bdbc5a9bb2f615

    SHA256

    714cd32f8edacb3befbfc4b17db5b6eb05c2c8936e3bae14ea25a6050d88ae42

    SHA512

    6b2ebbbc34cd821fd9b3d7711d9cdadd8736412227e191883e5df19068f8118b7c80248eb61cc0a2f785a4153871a6003d79de934254b2c74c33b284c507a33b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\GroupMeasure.xlsm

    Filesize

    13KB

    MD5

    c83f69954a49110235f5761783d9f76d

    SHA1

    07a8efdbb529076faf9bd4b57f6b4a6af0115bd0

    SHA256

    aeb9f099ba37bbdc9effb4dd84c5295a83eec5259bf55e3a432db6da8fe76f83

    SHA512

    a41d691f9ebee6a0edb39547059e7dd143b141b1f13f8d04a0b2088148a558fe151e94ac2d92dd7a149f393f5a1a1001b0497e4e64a0fc7d62a4339a035721de

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\InitializePing.rtf

    Filesize

    34KB

    MD5

    778e381b204c651a0ac701186728e746

    SHA1

    e92cd8d95bfcf1a0d1a5273cb91c75a68c4a3de7

    SHA256

    d1129fd3950185d5f1b009aa334d4d428affe74cdc0720f433a7e66a0b27acb3

    SHA512

    17246359409b1a5df507f24bd1bc07d75b569bfd602409b5b6bde8ca5a9a23ab39ffbb6b9e19c099bd8901cb42d06a718f8d1faf2a5cc9531ca4b75a3f8a9a23

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\MergeRegister.docx

    Filesize

    114KB

    MD5

    148c67f444d15b0337d8109db054ef87

    SHA1

    f5fecd5ec70ab12e755b0d4844f2df60e5735723

    SHA256

    957cceb91bc377042887a16a6c6ae4abacb213320855fdf0a5a7bac721a0c628

    SHA512

    082d10a3c52e03508008e73f39c2c7718b17c53a7b69e2f9e2a29052302248f83ca399854d96474c2c92fb03d25544275d4b4b73e260735d0005281e76f34f92

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\Opened.docx

    Filesize

    11KB

    MD5

    bfbc1a403197ac8cfc95638c2da2cf0e

    SHA1

    634658f4dd9747e87fa540f5ba47e218acfc8af2

    SHA256

    272ed278e82c84cf4f80f48ec7989e1fc35f2055d6d05b63c8a31880846597a6

    SHA512

    b8938526fcbf7152805aec130ca553e3ec949cb825430a5d0a25c90ec5eb0863857010484a4b31fdc4bb65a4c92ad7127c812b93114be4569a677f60debe43b1

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\PublishEnter.xlsx

    Filesize

    125KB

    MD5

    0cf0b9f0ef01699ca92093809e3b5bf0

    SHA1

    76e1adc5b7fdf2d421cefe5d72d6aaa96a60f989

    SHA256

    87dee080e29392b28126ddbc8b989341a36026fe9d8b2e0f2ea414187f1f9a34

    SHA512

    f2905bc951fdcf8fb4498d9ac1a5e3604601ab2d96324073af5682016e3250da75f689a32f712a29c70aae97fb4063d9a5329f0567a2ad6b209d40c26b5c933b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\Recently.docx

    Filesize

    11KB

    MD5

    3b068f508d40eb8258ff0b0592ca1f9c

    SHA1

    59ac025c3256e9c6c86165082974fe791ff9833a

    SHA256

    07db44a8d6c3a512b15f1cb7262a2d7e4b63ced2130bc9228515431699191cc7

    SHA512

    e29624bc8fecb0e2a9d917642375bd97b42502e5f23812195a61a4920cae5b6ed540e74dfcf8432dcceb7de906ad0501cdd68056f9b0ec86a6bb0c1e336bfe32

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\RevokeConnect.rtf

    Filesize

    126KB

    MD5

    dc277201e7c9af1c09742790c9a31a38

    SHA1

    20a1b06e65a6ff0af45fa319f52fa8607357fd95

    SHA256

    bee55164da9777dfd865547031d85c1028cc36396a1f1a1db7504bfea7daecf0

    SHA512

    521a47dafc7785435040a49d60a649b090ef9e286844ab9134433e5367082e1cd29ff7921b1b3f4c82c40b78d8f65f1a2ed5d13ac1af01129a9dd0914b157c8a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\StepRevoke.xlsm

    Filesize

    27KB

    MD5

    bd3b3e35399037a2150cc1bb65109935

    SHA1

    fe36cb9c0c410413c688ba3e61ee96dfd97899bf

    SHA256

    ffafd2467194f3d450c68e795d0f9592e8d011f7fd34479a43b569db23a86ffb

    SHA512

    67c591ecfe6f2a3b1167724b8e895109736be7e45d74ce3753592eacbb4c87e060a4d26049483659707709b2dd7af4936a7816105e946c022901999438384f21

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\SuspendUndo.xls

    Filesize

    21KB

    MD5

    6d20af45ebe2882d4b424218847a4f9a

    SHA1

    73b3f76842ed9d3b26a954072c0e272519a44389

    SHA256

    d1348805c9fc16898e06b98fb8b19b57008cfbfe8eb4ca6c7fbeb5c42f24ece2

    SHA512

    3b333c93b675375052f3178ca084872d37131f0c469cbf2ca2e969b9fc07d673fec912faae8b433dccc79061b16036d7a5f3bd88f41240e4a31a51a96ab37eff

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\These.docx

    Filesize

    11KB

    MD5

    87cbab2a743fb7e0625cc332c9aac537

    SHA1

    50f858caa7f4ac3a93cf141a5d15b4edeb447ee7

    SHA256

    57e3b0d22fa619da90237d8bcf8f922b142c9f6abf47efc5a1f5b208c4d3f023

    SHA512

    6b678f0dd0030806effe6825fd52a6a30b951e0c3dcf91dfd7a713d387aa8b39ec24368e9623c463360acba5e929e268f75ce996526c5d4485894b8ac6b2e0fa

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe

    Filesize

    689KB

    MD5

    91b41651e6e9ab352805c6d35a297d08

    SHA1

    11b8eaa7b7941461bc952b11ec3f07d25dcd1c2e

    SHA256

    0872abe29cc9231cdded3a44e02a7ea17f09cf2ac2bdbd7077065858829c3723

    SHA512

    b0b0d73f6ac7b6e9b39db0fa58931873143f6559c3b8d3db2d82d453045f75da94f3236b6c6c5200b52af6cacc038565eb2e9c6a834608dac0b0e8bb45b1e892

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\credentials.txt

    Filesize

    691B

    MD5

    055c857272026583a61e1b5821c69a24

    SHA1

    ec39d34f16487682801dd2b319554cbed57feca4

    SHA256

    190db16bb64995e3bdea04b9e6fc1994dacfea3253a7559732205b1d41362b84

    SHA512

    d7833c4651683e95959107e05b07b60d2e963b9fbecd0106b329e2087d1dfc9aedb962b334e22b6b462699cbce86097d4d50ce5d1310ad098e3531efaa4e204b

  • memory/2552-53-0x000000001B910000-0x000000001B920000-memory.dmp

    Filesize

    64KB

  • memory/2552-52-0x00007FF8E6D60000-0x00007FF8E7821000-memory.dmp

    Filesize

    10.8MB

  • memory/2552-51-0x0000000000B70000-0x0000000000C22000-memory.dmp

    Filesize

    712KB

  • memory/2552-61-0x00007FF8E6D60000-0x00007FF8E7821000-memory.dmp

    Filesize

    10.8MB

  • memory/4812-15-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/4812-184-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/4812-18-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/4976-10-0x0000000007960000-0x0000000007A1E000-memory.dmp

    Filesize

    760KB

  • memory/4976-11-0x0000000009EB0000-0x0000000009F22000-memory.dmp

    Filesize

    456KB

  • memory/4976-19-0x00000000751D0000-0x0000000075980000-memory.dmp

    Filesize

    7.7MB

  • memory/4976-9-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

    Filesize

    64KB

  • memory/4976-8-0x00000000751D0000-0x0000000075980000-memory.dmp

    Filesize

    7.7MB

  • memory/4976-7-0x0000000005EE0000-0x0000000005F7C000-memory.dmp

    Filesize

    624KB

  • memory/4976-6-0x0000000005180000-0x0000000005188000-memory.dmp

    Filesize

    32KB

  • memory/4976-5-0x0000000004D90000-0x0000000004D9A000-memory.dmp

    Filesize

    40KB

  • memory/4976-4-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

    Filesize

    64KB

  • memory/4976-3-0x0000000004C00000-0x0000000004C92000-memory.dmp

    Filesize

    584KB

  • memory/4976-2-0x00000000051B0000-0x0000000005754000-memory.dmp

    Filesize

    5.6MB

  • memory/4976-1-0x0000000000110000-0x00000000001F2000-memory.dmp

    Filesize

    904KB

  • memory/4976-0-0x00000000751D0000-0x0000000075980000-memory.dmp

    Filesize

    7.7MB