Analysis

  • max time kernel
    40s
  • max time network
    82s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 21:18

General

  • Target

    a466881849f9be7370d35bb14158ce974dddf73fc0893f08aef94d5c2f528c43.exe

  • Size

    931KB

  • MD5

    26529e29e345d92f6ca360f12d394511

  • SHA1

    8b15041a5c001172f9a051b11ef1b6c93cddaaa2

  • SHA256

    a466881849f9be7370d35bb14158ce974dddf73fc0893f08aef94d5c2f528c43

  • SHA512

    becdd5ae6ec44facbb340ecd2c6a0232876a10ba9947cdf7f4e3ff4887d6094e88f1a4fc17a6de08a6c6cfa98c2335c1ce790da23b978adf5b957c441721533e

  • SSDEEP

    24576:h1OYdaO/CZ/iWCvu/2sWsJA/jlt+DHhss:h1OsxCpYO/dJJDHhss

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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
  • Drops file in System32 directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a466881849f9be7370d35bb14158ce974dddf73fc0893f08aef94d5c2f528c43.exe
    "C:\Users\Admin\AppData\Local\Temp\a466881849f9be7370d35bb14158ce974dddf73fc0893f08aef94d5c2f528c43.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1236
    • C:\Users\Admin\AppData\Local\Temp\7zSAA06.tmp\B4wzAV4rTaxJazc.exe
      .\B4wzAV4rTaxJazc.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:556

Network

MITRE ATT&CK Matrix ATT&CK v6

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:\Users\Admin\AppData\Local\Temp\7zSAA06.tmp\B4wzAV4rTaxJazc.dat
    Filesize

    1KB

    MD5

    3c1d7391cea6f5ae61ab226695a69518

    SHA1

    9df664ac83386203bbec949a677a6e04483b088f

    SHA256

    9b44ad65c763a499c0ed49795e4033dfb01f436f87f29a81a29548d8bc710d77

    SHA512

    12baf5166cbe3e55b793721067acaefc43dda282f907e7f1d5af715435e427c2c64c544905d5a4faf1374662912c831b7b80e785f5e1abc4642132b697f0a90b

  • C:\Users\Admin\AppData\Local\Temp\7zSAA06.tmp\B4wzAV4rTaxJazc.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zSAA06.tmp\nfkmnijhchfgihlmpmlmlcmnbnkolkel\background.html
    Filesize

    145B

    MD5

    27ec4275d73c55eb6fbfadd77ee480f7

    SHA1

    d4e4ef90a762df3251d26704e4ce20e182595ce9

    SHA256

    c0314c2e28e16a00927a7020f8861ce6350492d6815e25e854cc97aabcf354cc

    SHA512

    7d2f8dd0c71608bc2c33dba29fea94e53ac186b921aba7eee880324f4f0c94a939d063e8405a3971cc45b692d930a6edfaf1971219eb511a4997a553eb9fa598

  • C:\Users\Admin\AppData\Local\Temp\7zSAA06.tmp\nfkmnijhchfgihlmpmlmlcmnbnkolkel\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zSAA06.tmp\nfkmnijhchfgihlmpmlmlcmnbnkolkel\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zSAA06.tmp\nfkmnijhchfgihlmpmlmlcmnbnkolkel\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zSAA06.tmp\nfkmnijhchfgihlmpmlmlcmnbnkolkel\s77suGkv.js
    Filesize

    6KB

    MD5

    f6ba9a9fb45677c8a26e23da7c308a29

    SHA1

    4b950499996f208dd123ef8815d49d2f83ac0264

    SHA256

    03903519e6fd61968de42438b5d3d10c45a15a36fdfed611e50237ac7e8dd2bc

    SHA512

    8bbb580031a4a30103df4b874d0184aee10e6e8baaec4273f46cf63739fe366b9b18be55625f8eca999bcd021ab89b4ddeccb94a227fc2100a271a0799a96b53

  • C:\Users\Admin\AppData\Local\Temp\7zSAA06.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zSAA06.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    5d8b97d39ca0c0fdc002e1645ab42f78

    SHA1

    d401cad5a1bfaecc098119ff405a213cf22bef67

    SHA256

    4bbc9301c7f9dc914b7ee7d03ec011184999a59a78806f1a83c24001cd236b55

    SHA512

    8c14debc1c261b6102c073497d5a1fb058a2bb1f1fb75ff65348cea4fa8d45a49a4bd417753131c49f93172dbe59cfb80d0c951abced3635ea68198999108358

  • C:\Users\Admin\AppData\Local\Temp\7zSAA06.tmp\[email protected]\content\bg.js
    Filesize

    8KB

    MD5

    1b80aae4845c79e20dd67d4cab18e9c4

    SHA1

    b1a71fd13d8e8186ed28c7c2afa18d910c0a5cc9

    SHA256

    f901da96c1ea6f410f2d1e42b0f68eb746226ef916587486b0c37f32f1db3dea

    SHA512

    4d266900e02df6acff8099b20e22d528afe7c99fd3c1019ff14b3020e60950b5fb6094999255e4102fb675774e706c26530690cbd21335832ad2f732324d8728

  • C:\Users\Admin\AppData\Local\Temp\7zSAA06.tmp\[email protected]\install.rdf
    Filesize

    593B

    MD5

    ef95df780a882057f8dd3635301d4cb4

    SHA1

    d70a3e20a30fc48e45be673d17df9a112b926c6d

    SHA256

    eff12e21195a7777683e2e9e88e405020dd69e5d69867e1c6b4b07896cf249fa

    SHA512

    c8e8a0565d9fed1da0fb830e6dfa2509067f53cf6a1e0584fc386724637e2c195e3e24c5409cbc6241397e82e8c6a7fa83d60275f0f826b05afe727eb950a41d

  • \Users\Admin\AppData\Local\Temp\7zSAA06.tmp\B4wzAV4rTaxJazc.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • memory/556-56-0x0000000000000000-mapping.dmp
  • memory/1236-54-0x0000000074FD1000-0x0000000074FD3000-memory.dmp
    Filesize

    8KB