Resubmissions

14/05/2024, 18:33

240514-w7fzzsac5z7

19/02/2024, 06:44

240219-hhfq2aba647

General

  • Target
    ZoomInfoContactContributor.exe
  • Size 259KB
  • Sample240219-hhfq2aba64
  • SHA256 2aa9f15810e2c55dbc8522e386d76d1a8fb3a63a712b33e17bd2139a7b45c76b
  • MD5 SHA1 SHA512 SSDEEP
Score
3/10

Malware Config

Signatures

  • Unsigned PE 7 IoCs

    Checks for missing Authenticode signature.

  • NSIS installer 4 IoCs

File Explorer

  • ZoomInfoContactContributor.exe
    .exe 259KB
  • $PLUGINSDIR/FindProcDLL.dll
    .dll 31KB
  • $PLUGINSDIR/GetVersion.dll
    .dll 5KB
  • $PLUGINSDIR/NSISdl.dll
    .dll 14KB
  • $PLUGINSDIR/System.dll
    .dll 11KB
  • $PLUGINSDIR/modern-wizard.bmp
    25KB
  • $PLUGINSDIR/nsDialogs.dll
    .dll 9KB
  • $PLUGINSDIR/nsisunz.dll
    .dll 40KB
  • $TEMP/uninstall_fc.exe
    .exe 59KB
  • uninstall.exe.nsis
    1KB
  • zi.ico
    90KB

ZoomInfoContactContributor.exe

  • IMPHASH 7fa974366048f9c551ef45714595665e
  • SHA256 2aa9f15810e2c55dbc8522e386d76d1a8fb3a63a712b33e17bd2139a7b45c76b
  • MD5 SHA1 SHA512 SSDEEP
Digest
49:5c:fc:b8:68:a9:3b:a1:1f:01:c8:bd:7f:43:07:8d:c8:55:40:16
Digest Algorithm
sha1
PE Digests Matches
Trusted
Signing Certificate
SERIALNUMBER=3184976,CN=Zoom Information Inc.,OU=IT,O=Zoom Information Inc.,L=Waltham,ST=Massachusetts,C=US,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.2=#130844656c6177617265,1.3.6.1.4.1.311.60.2.1.3=#13025553
Minor OS version
0
Major OS version
4
Entry point
12538
Magic Number
267
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_GUI
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE
PDB paths