Overview

overview

10

Static

static

027119161d...le.exe

windows7_x64

10

027119161d...le.exe

windows10_x64

10

Analysis

  • max time kernel
    153s
  • max time network
    120s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    26-07-2021 12:39

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General

  • Target

    027119161d11ba87acc908a1d284b93a6bcafccc012e52ce390ecb9cd745bf27.sample.exe

  • Size

    1.3MB

  • MD5

    a7e571312e05d547936aab18f0b30fbf

  • SHA1

    e0d643e759b2adf736b451aff9afa92811ab8a99

  • SHA256

    027119161d11ba87acc908a1d284b93a6bcafccc012e52ce390ecb9cd745bf27

  • SHA512

    20e8af2770aa1be935f7d1b74d6db6f9aeb5aebab016ac6c2e58e60b1b5c9029726fda7b75ed003bf4a1a5a480024231c6a90f5a3d812bf2438dc2c540a49f88

Score
10/10
dearcrypersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\PROGRAMDATA\DESKTOP\readme.txt

Family

dearcry

Ransom Note
Your file has been encrypted! If you want to decrypt, please contact us. [email protected] or [email protected] And please send me the following hash! d37fc1eabc6783a418d23a8d2ba5db5a

Signatures

  • DearCry

    DearCry is a ransomware first seen after the 2021 Microsoft Exchange hacks.

    ransomwaredearcry
  • Modifies Installed Components in the registry 2 TTPs
    persistence
  • Modifies extensions of user files 6 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Drops desktop.ini file(s) 56 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 12 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 34 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 59 IoCs
  • Suspicious use of FindShellTrayWindow 51 IoCs
  • Suspicious use of SendNotifyMessage 28 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\027119161d11ba87acc908a1d284b93a6bcafccc012e52ce390ecb9cd745bf27.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\027119161d11ba87acc908a1d284b93a6bcafccc012e52ce390ecb9cd745bf27.sample.exe"
    1⤵
    • Modifies extensions of user files
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    PID:3928
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 3064 -s 2868
    1⤵
    • Program crash
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:216
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3532
  • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
    "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:2900
  • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2212

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\Microsoft\Windows\Caches\cversions.2.db
    MD5

    4534f12102d235344cf8dda748f0cabf

    SHA1

    7db67baceeecb3a420bf37a7beca4a45185f8f3c

    SHA256

    1bd4db450abc8914c2fac721cace2704ff4c16028e6d07293154dad289835694

    SHA512

    7b4dacdbc6a2fccdd3818eb41b7fa23eeec51f333af0e842d9185c7ae45eba1623369b1caa27b824cba10c4cd6a2cdbf7f127ab2c6f7656eedce5fe25a0b84a2

    Download Submit

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\cversions.3.db
    MD5

    4534f12102d235344cf8dda748f0cabf

    SHA1

    7db67baceeecb3a420bf37a7beca4a45185f8f3c

    SHA256

    1bd4db450abc8914c2fac721cace2704ff4c16028e6d07293154dad289835694

    SHA512

    7b4dacdbc6a2fccdd3818eb41b7fa23eeec51f333af0e842d9185c7ae45eba1623369b1caa27b824cba10c4cd6a2cdbf7f127ab2c6f7656eedce5fe25a0b84a2

    Download Submit

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\{3DA71D5A-20CC-432F-A115-DFE92379E91F}.3.ver0x000000000000001c.db
    MD5

    001ed257544479fa1d1d84aacbd780a7

    SHA1

    4e95b0b5a1933198ce75f73a422c3b91aac7b27c

    SHA256

    b472e5d0984e03cde3b9fceda14a15fabbdc0bf9a30e90cddadf0d34bb8a54d8

    SHA512

    6b7cbc42f3e2578668453cfef198ccdbf23e6cb90872999345e7865e386c1c24c40e60713f159c27e1f0f21c63b53b1b4b4de12c469efa4733b50f0c839c0b66

    Download Submit

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\{3DA71D5A-20CC-432F-A115-DFE92379E91F}.3.ver0x000000000000001c.db.CRYPT
    MD5

    73b97aa8b42ddebfaf34efa1908699c7

    SHA1

    f62dd857b9a89efe54ab952775024107ba5fac91

    SHA256

    691edcf0454cb441e3cf158a4bd56690c7b3ef20760d61dc937e2c06dc1044ec

    SHA512

    86b016c50d4e106e25a93cd12e1d8f68a6349d4f111b4c423983a31a80deaf13165eff5595ccddc346d47e167ba5616d73b9a0e8835507e1d699bb8d329dba62

    Download Submit

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_48.db
    MD5

    c7c6abfa9cb508f7fc178d4045313a94

    SHA1

    4f130f23896bd6d0e95f2a42b2cb83d17ac8f1a2

    SHA256

    1bda9f0aed80857d43c9329457f28b1ca29f736a0c539901e1ba16a909eb07b4

    SHA512

    9f1c1e438b8cceda02663a61a64c1c5fc6fb6238aa92d30e6d8d1a7b0cb29a8a6f26b63b9964ad876617f71ee7dc3c05205158c4ed4be327149652b1c6900825

    Download Submit

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_idx.db
    MD5

    d62de45260290993ab8f379c928263eb

    SHA1

    1a885ddfea2427607247084565bf7b547005b7cc

    SHA256

    5443a81a010bc1ff7da14947d3737287a2045bac55e5a7057ce5d17171989c58

    SHA512

    66228c968e4691940ec8e3265de44ca328e7787dcd04fd4a6a0142a63164f70aaada515221e2a9654d7790e90ed1b73cf63024f65c72b3313b05c82c3ee67ec3

    Download Submit

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\counters2.dat
    MD5

    af35b0d348e5162036e183339d385b0c

    SHA1

    2927490ade868795ecdd8febe05214cbd243ef35

    SHA256

    b6ac3cc10386331c765f04f041c147d0f278f2aed8eaa021e2d0057fc6f6ff9e

    SHA512

    6486a74d95f54812a76071f6c6344ab6d34df3da685ec70dc78d9c5804b4ee3c449d9e68a6b52491f8275b838c2cd9102c3c223a620bbee2671edbff2611594e

    Download Submit

  • memory/3532-119-0x0000000000810000-0x0000000000811000-memory.dmp

    Filesize

    4KB

    Download