Analysis

  • max time kernel
    40s
  • max time network
    63s
  • 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

    a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9.exe

  • Size

    931KB

  • MD5

    a67372cf7c6dbbedf7adf3847938dc04

  • SHA1

    a78808a31ba8eb04bc50c4ec05a41a7020528005

  • SHA256

    a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9

  • SHA512

    3734f415def09cfc1d04765fe7b81e203be1b5cb43730de5404b9bb8882bcde45372bce671f9a09df123ada56c593d61f988120e0d7940bb2c3cb444e157004e

  • SSDEEP

    24576:h1OYdaOGCZ/iWCvu/2sWsJA/jlt+DHhsj:h1Os4CpYO/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\a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9.exe
    "C:\Users\Admin\AppData\Local\Temp\a7325b69aeb4650aa778631bc92f62cad9b345bbfa3c1395ed65811e9183b9e9.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1272
    • C:\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\YTZ1hY5b92ntNRC.exe
      .\YTZ1hY5b92ntNRC.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1232

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\7zS5C25.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    b77b8250fa36c2d4f64034fed9d2a712

    SHA1

    85fda28623360dd33e3842b6bc6320b1dc143870

    SHA256

    77354b4f7626c2658493901ee81315d1103371aff7061fb16e5511f220bea29b

    SHA512

    41a675ade4a20868bb1fa6e32a2a3f2c94423c5d3cd9be886e1356048280a42ee6425cebc129ab333988f92be3003ac4d8209cf33ef681204662241a9dc40d07

  • C:\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\[email protected]\content\bg.js
    Filesize

    8KB

    MD5

    22a1098db84142054249265aa0fbc3b6

    SHA1

    1e279b7c8dadb878c11895c0b6813a40f4bccc5f

    SHA256

    4cbc81f03f87e344fe57c7cee2bccef31ac69a55b5e91ae939d3470077a17402

    SHA512

    8b054992ecb02a9004a5c6ebf4540b9c9165d6b733abe501284ec434e42958af881bddf6e7431031f8aa05af63ac2c301b167ffdd2172ad23f6896b68aaec7c9

  • C:\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\[email protected]\install.rdf
    Filesize

    593B

    MD5

    1a1f0aa9e79363247d181fb18868a5a8

    SHA1

    bc20e7a078ba6e863cf9884014b61d8b5d843e14

    SHA256

    a128de2c064018d4c33014ae11720c0fe8464f09aa84cfbf0747c15960716a80

    SHA512

    eccb9ef76872c06b8bd18af521f9cec05af6622263a9050e766a85548e68638e9e2538b306ed97b0bfdc85cffa1712c25b6c39268bb59777ba756f7d4ed4ee81

  • C:\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\YTZ1hY5b92ntNRC.dat
    Filesize

    1KB

    MD5

    4f5c006c0a615d8d5b0f569ae6ab4830

    SHA1

    0b6d408c4be335d8a2fcb2afc536fb7474a3c70a

    SHA256

    904def845dac2eef840c01be3b7c8f85a3943c62f1c049e449e8719e8edf75f1

    SHA512

    28d3aaf53cd2062d851972246d0bce1eec063ee8df0ef1aa4a101503865015dd4f2be0ca4bebd1667586fdbc7e4a8834d3a69d6b15d667f133f954966dd84922

  • C:\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\YTZ1hY5b92ntNRC.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\nnalmihgafjkobigdcghicjnofonoeoc\background.html
    Filesize

    145B

    MD5

    36d1450bc4df20adcb4fd580094db1d2

    SHA1

    7702f611a07c244edd072b39eabcf871b02bbb4e

    SHA256

    da315cb40441bc0696924e9cf61ebe2f67f50e1892472523087b781602a20f94

    SHA512

    88f94752ec9395e8005b686b143f6007273ddb33f08283efb515b9ef2c765cbb0f8efe9d29f06783c9887ffbc4de113f002e2c548a62d30b927c2d7a3fdcff8d

  • C:\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\nnalmihgafjkobigdcghicjnofonoeoc\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\nnalmihgafjkobigdcghicjnofonoeoc\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\nnalmihgafjkobigdcghicjnofonoeoc\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zS5C25.tmp\nnalmihgafjkobigdcghicjnofonoeoc\o4GnTC8b.js
    Filesize

    6KB

    MD5

    961e10ff81e2ab32ea77843264314fd7

    SHA1

    717fa75aa2f92115f33db102e0cc02bea9fc00cd

    SHA256

    4700e28398dde5cd061a62c6d2b2a6da4431c98b387a4d07c043dca35f2a2015

    SHA512

    e70ff5510e72466091ac830981c833ee1996806a3dc17e0076c064594f97d3686609991290bcfa19ae6d934e56d35d7542a58c96f579a9dde8464ec2698b46cd

  • \Users\Admin\AppData\Local\Temp\7zS5C25.tmp\YTZ1hY5b92ntNRC.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • memory/1232-56-0x0000000000000000-mapping.dmp
  • memory/1272-54-0x0000000074C41000-0x0000000074C43000-memory.dmp
    Filesize

    8KB