Analysis

  • max time kernel
    42s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 21:19

General

  • Target

    a41b28d3e5878519fc32421b5b44df324a1d3d61b5fd8c3f911b5dcb2ffcfafb.exe

  • Size

    931KB

  • MD5

    f603a1cebeb00e5eb0f0a0219693238c

  • SHA1

    bfba31f0535a8bed82a9172739f0765d5758f4cd

  • SHA256

    a41b28d3e5878519fc32421b5b44df324a1d3d61b5fd8c3f911b5dcb2ffcfafb

  • SHA512

    58700b18d5195227c67badf80b5570752bc69f5ce331428ecb81c6d2edd50cacf333ac12a8f2fae4de69b45bbfeb28c1df7bac77967b108d74110afb5ac3af2b

  • SSDEEP

    24576:h1OYdaOICZ/iWCvu/2sWsJA/jlt+DHhsj:h1OsuCpYO/dJJDHhsj

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\a41b28d3e5878519fc32421b5b44df324a1d3d61b5fd8c3f911b5dcb2ffcfafb.exe
    "C:\Users\Admin\AppData\Local\Temp\a41b28d3e5878519fc32421b5b44df324a1d3d61b5fd8c3f911b5dcb2ffcfafb.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Users\Admin\AppData\Local\Temp\7zSF00A.tmp\Izd3m0bOls6W8FJ.exe
      .\Izd3m0bOls6W8FJ.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:896

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\7zSF00A.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zSF00A.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    305f04a630ab03ca43bd674cb47c673b

    SHA1

    3b3da6513f18d4dd04e5c191b8def1ab9eeab5b7

    SHA256

    3320c8f63ff50a79fa36ec2eca6f4544435f94e4dc21b754e65e80d94e6d0711

    SHA512

    5d4f1ea28aeb66512ca163efa7b73a423c04c9f7f6b0e27b6dca86eae993314d63e7e3cb4a609b4d1be789f477bb2d09bfe82cbbacd62cf94ce951b5f37f6d51

  • C:\Users\Admin\AppData\Local\Temp\7zSF00A.tmp\[email protected]\content\bg.js
    Filesize

    8KB

    MD5

    c1f5a07e4a54755835171dc4ea918732

    SHA1

    82d7a99645bd953bca5eb65f6ae272fbe1df6b6c

    SHA256

    51969d59a62e1c9008f1034e280251ef8528d7f10f40f97769b7fa6d49f3727c

    SHA512

    81e5b8573547148d20942b8e4654200ffa682d87a03237a1f706b5b75b06f3e0cbcef62608c775ffd68de2cbe9b311b372f75838cd37ca31830917e31b81a17c

  • C:\Users\Admin\AppData\Local\Temp\7zSF00A.tmp\[email protected]\install.rdf
    Filesize

    598B

    MD5

    c79c604bcc6973cdb9a07c3bcd9db1c2

    SHA1

    269c98388c30248101ecc0447dc99d91852c7a6a

    SHA256

    bdb799b7dd0f8cc0533d3526acfea9449ff9fc2cc6b296ba72b8eade00b9b270

    SHA512

    97980528148687c241c98e0de27e741b2205f7446d4371e09617e23152c56fdf2c949e628254cfe9636a0220fed1fea1d1a3b0751e90d775b6c449ea19d969b3

  • C:\Users\Admin\AppData\Local\Temp\7zSF00A.tmp\Izd3m0bOls6W8FJ.dat
    Filesize

    1KB

    MD5

    d5a2072ce298aa07e6196230e805220d

    SHA1

    91a0ca645e66ecb80df4cb33d2d7209b65cd3400

    SHA256

    6f127a7aefd120bda38e3d4194581ca29bd9bd1099f4d0b86c3ea91aab9144a1

    SHA512

    795e43aace7d24340af0163bf3f6d90bbe4efe24b5e41176fa08069ba514a18771e57ba7148ba8f8ac6f5ed37d6236e18cd3f187a55e895b3a854332e9a1372a

  • C:\Users\Admin\AppData\Local\Temp\7zSF00A.tmp\Izd3m0bOls6W8FJ.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zSF00A.tmp\ikngbcfeimeeffdoaddbnhedmmedhecc\PGcsH.js
    Filesize

    6KB

    MD5

    fd45cd4f939a97dddb1b9e192b9c35a3

    SHA1

    a374b3272ae3336594ac94774288461b2520f185

    SHA256

    a42710c68007ec11f540cf0d8046c217128a2e9b9d9408526ec35fb98b5c4e0d

    SHA512

    99956e56c24145361c2105a7ff534d21467bdace732dfd0dc8efd37fde2e3df08f32085a01707fadf29ca45c09d440fc4296e021e80a2dbf06552475af1c2bee

  • C:\Users\Admin\AppData\Local\Temp\7zSF00A.tmp\ikngbcfeimeeffdoaddbnhedmmedhecc\background.html
    Filesize

    142B

    MD5

    daeb1d2ee1667621cb1df8b8dd35297d

    SHA1

    b53972a989c9b032148e1bea4b8c18783f080bdd

    SHA256

    2e0b031a57024e1cc84653be46e3206fe58ca372608522bda7717a204e163d93

    SHA512

    12d502fd268e8f66d0d1f145cc394666018cd9533c26af6c30f1373deb0d2a919db09f983a71a2784017307388ace5bfc82e1177b3a6a778d4480f8a96e32cb5

  • C:\Users\Admin\AppData\Local\Temp\7zSF00A.tmp\ikngbcfeimeeffdoaddbnhedmmedhecc\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zSF00A.tmp\ikngbcfeimeeffdoaddbnhedmmedhecc\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zSF00A.tmp\ikngbcfeimeeffdoaddbnhedmmedhecc\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • \Users\Admin\AppData\Local\Temp\7zSF00A.tmp\Izd3m0bOls6W8FJ.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • memory/896-56-0x0000000000000000-mapping.dmp
  • memory/1964-54-0x0000000076411000-0x0000000076413000-memory.dmp
    Filesize

    8KB