Analysis

  • max time kernel
    42s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 21:06

General

  • Target

    a86a33da4dff82753bcf27d8934999834cde44e07f9441b83783d2871f56aeff.exe

  • Size

    932KB

  • MD5

    e03ba73b6726f006c2b4f49112c728b0

  • SHA1

    4a5e0e8ac6b541e3bb9c97e01c588432ce0cf8e5

  • SHA256

    a86a33da4dff82753bcf27d8934999834cde44e07f9441b83783d2871f56aeff

  • SHA512

    27fc01927ed2dc057a8e9e85ad071c536df4d1b14e326a95a6c37d64fcac1b83158af1551f2fd0016f35a555d413118e27346f6ca8100c77bc7307078a4fba5b

  • SSDEEP

    24576:h1OYdaOpCZ/iWCvu/2sWsJA/jlt+DHhsa:h1OsvCpYO/dJJDHhsa

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\a86a33da4dff82753bcf27d8934999834cde44e07f9441b83783d2871f56aeff.exe
    "C:\Users\Admin\AppData\Local\Temp\a86a33da4dff82753bcf27d8934999834cde44e07f9441b83783d2871f56aeff.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Users\Admin\AppData\Local\Temp\7zSF9F9.tmp\KfSupj3tlRwTygM.exe
      .\KfSupj3tlRwTygM.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:952

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\7zSF9F9.tmp\KfSupj3tlRwTygM.dat
    Filesize

    1KB

    MD5

    ae66a10ffdfc0057a89f187161618b97

    SHA1

    edda9023c602922f490f6e8f6595005ee251908f

    SHA256

    2b54c988e2aaadcf2893e7e76c3206edd1ea3390ad6e698bd3f75c3d33a8a7d7

    SHA512

    ac23ca49911cb86d9c74ce62f2269ff674c4cf4ef058a23a588cf343a93b0c9074686eee6b9c95af9f1bdf4c1d4f1c8433b69f0536da35f5fc8e867b15e95ee3

  • C:\Users\Admin\AppData\Local\Temp\7zSF9F9.tmp\KfSupj3tlRwTygM.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zSF9F9.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zSF9F9.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    781162abd055488990dcdb53f4d76f78

    SHA1

    7f29e705da3c80abb423d85b03979019e99089f6

    SHA256

    380111bde6fa48d4c57db0f653c9e182c1eb616b4f6c315572920bc61791e373

    SHA512

    5adff7b44b5383965781f8f85baf045428f29c96ed7456b03f9be85a63474d3fa6b86302cc8cf2664a026a678308b01b8872af1fcb8f26324da8d380074133fc

  • C:\Users\Admin\AppData\Local\Temp\7zSF9F9.tmp\[email protected]\content\bg.js
    Filesize

    9KB

    MD5

    e3a0300912e216d3f23fc568b47aae0d

    SHA1

    775347a2ba87790127771e2cc969b9739ced54bd

    SHA256

    53c787c8a43e3774e0d1018967a041f408f14612a565baf36fdba27bb536673f

    SHA512

    d51dcc0f5f24df2d859f1d4d55874b548020ba6d82c699bb1666ced1cc23004c4577092443f454218ea820626d1c179a4fdd9c0a3f1cdab6d9fd1bbfea2b13f8

  • C:\Users\Admin\AppData\Local\Temp\7zSF9F9.tmp\[email protected]\install.rdf
    Filesize

    591B

    MD5

    e857780a675bdeebc13ec5bf634da98a

    SHA1

    bf1e81c2c0e54b19d7269eec3a71fda6ae462852

    SHA256

    4e67cbd168f1e6350e40632a95535b5be10d2d9be79c365d6b5b7b0f059d8461

    SHA512

    8c3f7cac8419efaa6a5df77f355fa6c26abb4e03005dcde0b21fd012b87633f9dc52fcc8b86166c798b8a14ef912cbd813d7bbf834f973dc729948697ef1803c

  • C:\Users\Admin\AppData\Local\Temp\7zSF9F9.tmp\jmmagklghbdjpmehejjafigeiflkplci\background.html
    Filesize

    140B

    MD5

    43b1dbdfd0809f50e70d6e0876a88c74

    SHA1

    356c4113d0db7b3a1f2f517bdfc3f6c8a2ddef9c

    SHA256

    8fb2844814e0468302236c5d4dc30e85e9ce4fcacf1b3cc890de68d2d43fb7be

    SHA512

    7bff1f81636b68c52e9760c573a43703f5c8628280005844ad3d990c5dc0b0f6b497f814d0d44e8827ed1482521981898e4e8b0113e17ddecd734a6c03a17ec8

  • C:\Users\Admin\AppData\Local\Temp\7zSF9F9.tmp\jmmagklghbdjpmehejjafigeiflkplci\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zSF9F9.tmp\jmmagklghbdjpmehejjafigeiflkplci\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zSF9F9.tmp\jmmagklghbdjpmehejjafigeiflkplci\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zSF9F9.tmp\jmmagklghbdjpmehejjafigeiflkplci\yXj.js
    Filesize

    6KB

    MD5

    4ae209df4f36cdee3b2e78344515a0ec

    SHA1

    5880403a49dd514e9c2738a3a2c473f924492ed5

    SHA256

    459f7a2e7e55534383bc54ac317c4216449b57ef1094859654967a8d14d1a381

    SHA512

    2c15744d5273e23d64cc47d4272670ec4ea2d4770799994291f78abdcc731ab29e494090b37feed62c3568d00632e12c97565ae87225eab2936e373e9c2a09a7

  • \Users\Admin\AppData\Local\Temp\7zSF9F9.tmp\KfSupj3tlRwTygM.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • memory/952-56-0x0000000000000000-mapping.dmp
  • memory/1736-54-0x0000000075DA1000-0x0000000075DA3000-memory.dmp
    Filesize

    8KB