Analysis

  • max time kernel
    149s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    03-07-2022 08:48

General

  • Target

    3c0b18bee9c6ad38c7d786f83e5e658691d89f72699e4b9680de14dd09e2d2b5.exe

  • Size

    960KB

  • MD5

    958c0908a5bf3c08105bc71e54e5fb1b

  • SHA1

    a472b13b5318e2cdecc87cbaec35df5d6ef645c5

  • SHA256

    3c0b18bee9c6ad38c7d786f83e5e658691d89f72699e4b9680de14dd09e2d2b5

  • SHA512

    e30d937a8b935e57a48dbcffe1f28e78b7d2b59ca05f7b6c138c9a858acf82d728e720297cdd2c62c26341ac97005fee4c2efd8fa6683b687a28ee059efa50e2

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • ASPack v2.12-2.42 4 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Drops startup file 3 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c0b18bee9c6ad38c7d786f83e5e658691d89f72699e4b9680de14dd09e2d2b5.exe
    "C:\Users\Admin\AppData\Local\Temp\3c0b18bee9c6ad38c7d786f83e5e658691d89f72699e4b9680de14dd09e2d2b5.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops startup file
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2440
    • C:\Windows\SysWOW64\HelpMe.exe
      C:\Windows\system32\HelpMe.exe
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Drops startup file
      • Enumerates connected drives
      • Drops autorun.inf file
      • Drops file in System32 directory
      • Drops file in Program Files directory
      PID:1044

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Persistence

Winlogon Helper DLL

1
T1004

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\$Recycle.Bin\S-1-5-21-3751123196-3323558407-1869646069-1000\desktop.ini.exe
    Filesize

    960KB

    MD5

    7b5a034481fa2f7cecf86e56800d1c9e

    SHA1

    918c3afa6f87ce0abe309e6ddb52dd00f551d646

    SHA256

    686ca30f7b6d92227cdf356cd8aa5edc750688e769a5e7200bbd4d27b41d30a3

    SHA512

    54a695abbe03d9f442ace6466e09dcb4cdce2bff7bf7395fd18ee74795ab163bbd86c1abc7d001424fef4178aecfd10218c132752ed59db912aa061864e91000

  • C:\AutoRun.exe
    Filesize

    960KB

    MD5

    9780c064bb1bc5050753c1fbddaf5d45

    SHA1

    9fc37fe35974eed450f98df2d71bfa8192972d82

    SHA256

    5a4380262db457e8b7f78f15862299b859596daac9c80cc26cfe0ea9953c43b0

    SHA512

    8a59eee5b3fe44ca6a82c0b8a6262456c8d26bbfdd892f5d5621e36f985fd30d70395a74ca18ea23ba978dfc1c8734ee5322dcc20a946898033579fa814b70fa

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
    Filesize

    1KB

    MD5

    b7c7d5c206683eb8a0b16f502d551442

    SHA1

    2f897456a1db2a77f6524b9b80364680c3e96bfb

    SHA256

    c81cdd83f5d9c168e8b359e1dc517cca5708e5ff23b33e5a3c8915f7341906a1

    SHA512

    4d8438d044364e726e8743344408892c74f74a22533256bbcff7e42a7af56a6adfaf305b7781f60fea4155d20c86843425aa24f4510b9b6a7aa397db129c0a8b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
    Filesize

    1023B

    MD5

    fd8d87e81b88fc03a874789d66dcd7f9

    SHA1

    604a7f15ff377f34e6de4181a54437c45d5ee93f

    SHA256

    4744723f444523ab0d6f401dfc7f447bad4f0ac3adaf1fe087d95d6895d8c5ce

    SHA512

    961579f74e7da569e32277d4b510aa8bd01ef41cb16f84a3f9274fc6d4f0ffbff65a6e897e8b797f372d8b25d3fcc70c2c08748eb4fe6f0d75531c030afb256a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
    Filesize

    1KB

    MD5

    979b0c5c1b3ce674ca955369dd6b37fb

    SHA1

    8284a5460159113f2f8f5671fbd211d8a8b7a2b7

    SHA256

    43f0667649ad9a53c7bd227e27bf3dc33bee447039fbe61422c00767fb52fd1a

    SHA512

    a4c23e86bc66906c2e9f2fff6bf6dfb2f649b3eafc35e5a6adc80ee6d774850ec91d99c78c354c431832ab6d64c2a6f4a5af6dac24b665df2e6100bf06621e9c

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
    Filesize

    1KB

    MD5

    9131d406e281d714d0575fb34c2326eb

    SHA1

    d1f7df7af2751318dad3a02e57efde4b8125ea72

    SHA256

    450b206379264b73c02c765f2de003eead421c571fbc96256b49200003a86c3b

    SHA512

    25263b54f7e25941690cf4d677485ec9e0fb08c8fab8383d4a4447d2f3df5c7d63f8b26e583df630dfbbca7d7f5d2b1a78c6edcbdf3b084bc12e676740f7e231

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
    Filesize

    1KB

    MD5

    44e320423219137d1b49715e7683bc01

    SHA1

    d5b85fa92b74d9018dffa9ae297945f6976756a7

    SHA256

    1c17d9b08a0330668028dd10248629cbe9c4e9825a32732bc2794b62546cb16a

    SHA512

    326f5564ec941bd232ad9390bed6358bfeddb817aac8a6560543748d01943facb02619c9cf6dce998c5ca8742a201daa932258f7de364bdc0796e27d4ff8c22f

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
    Filesize

    1023B

    MD5

    e6be569ab42334f4a2f30a23954f2e4a

    SHA1

    d1a12b2f81933eaf36ebb0de47ffa1c4edfd4b84

    SHA256

    a2a846456259a3cedbc5166cf36371381419b107512407028010ae7a11287a65

    SHA512

    65553ba71122927e9145d1ce5d8d2209b21a2dcce8e50e754e998991ffd541263e91c36e244b696a9af5e3256a514ee672dc2fd41d9102e78bffc70a7bb23a43

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
    Filesize

    1KB

    MD5

    8d15140377d94628edbceb57ac465687

    SHA1

    cf7f927533306f9a909715f2e7bbda3359752d68

    SHA256

    e8377eb29e10703e748a3dbfa3870da25f396106340df99322d13a020eed32f3

    SHA512

    980bdd2c66090e288d18d9c9e21a301f32d643609be29795003acb734263262e361610915146b423cbdc65c1b26595366423e475e9aa69dc84f79a2aa101bb25

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
    Filesize

    1KB

    MD5

    81a5bba15fa5149105446dfac1772d27

    SHA1

    4938036d15b731d4feb45ee739d5530f718851b4

    SHA256

    2e2ac9c4374fd5ccabde7c88c86028339afff9e6dc1617249726cb58d387a57a

    SHA512

    75c7f65550f6e23c4ed80781cd6f350e6c7a22b5da7037dfd6ddca6994767a1b6cf5f0851689b985b13e4b688093dd7d47fdd22417f7c8294458d5977f23a713

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
    Filesize

    1KB

    MD5

    cf3baf4b0e040a62110c95d4459ff72a

    SHA1

    2601856fd3e6c51a2539516a92faf88d99f2c5aa

    SHA256

    4b885036f8c95a7d80a57ec01c0ea13f1e06c4029fd11b123afad1a2d479e2d3

    SHA512

    f88af3787f37c5b5809afcffd2a05490ca7f6146a4221fcc0a7fafba1e4b1f5de6120e6562a2310e03f6caf9cf815e137dede0da046507175a5ad048897228cc

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
    Filesize

    1KB

    MD5

    593f26989a8e30914217586488d9dd83

    SHA1

    58fcdb58018c8aa20c2a3e933df8b9ebf4365e6e

    SHA256

    f4167d2f87c64432fd64eb8a0e9fb58a8ec62cb46b147f5968d777fcf763c230

    SHA512

    510381f265829569bbbd8b7b9da4fffbac0be3f7dff66767ca8bc380a1b6aef533e163ccbff04d9d2063f42d0145e944e46c59983874f2783542c65d804b1d18

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
    Filesize

    1KB

    MD5

    593f26989a8e30914217586488d9dd83

    SHA1

    58fcdb58018c8aa20c2a3e933df8b9ebf4365e6e

    SHA256

    f4167d2f87c64432fd64eb8a0e9fb58a8ec62cb46b147f5968d777fcf763c230

    SHA512

    510381f265829569bbbd8b7b9da4fffbac0be3f7dff66767ca8bc380a1b6aef533e163ccbff04d9d2063f42d0145e944e46c59983874f2783542c65d804b1d18

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
    Filesize

    1023B

    MD5

    4b8a29a74674bc658cf8b60cb190ab56

    SHA1

    abb38aec9e63e5c81bd95295147d82c0701661d8

    SHA256

    4388ffeed1b68b68ef2ac8386e879bb9ec536886cca8e994e4382d1385c389af

    SHA512

    7c430b216f674b76a3dc641eda231850e5ecedae26df9c3a523f6aefd8c57bcac7b9df2d09b2b6198e84fc1d655693d251acaa10a4c733ba43caa32b5d21815f

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
    Filesize

    1KB

    MD5

    e4812d2a543f3f26bbab69424af71cfb

    SHA1

    59e3442e89dda2f9b7384610d16964f340850081

    SHA256

    f707509ff6ce05f944336fa14e17dc6d70e2146c3516915342b1b0f4a95bb835

    SHA512

    aa9e1dacf2bd5313bafc4a0f2cac37e744931b3cf2f4cf6af0250d81e69b3ddcd02476bbd8c0434852ae862758f7c7975d567f3a68de55104a9686020fdc3a72

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
    Filesize

    1KB

    MD5

    135286f18c44b52355048a2963d8b5bd

    SHA1

    0e002a886a1effc0fe941ae299a013126c494528

    SHA256

    dc241c6edd7f3b84f12e36abf1875583c94a499c314f10f25996ea9bc13f034f

    SHA512

    2fb2b87c30f06c553c9dadd8e8960675068253b21d2c17cc91f87c704ca5c24d8f18b48e42f336338ee0c6035b1eb3f9ea5786bad8f042fd98a59b2c177a93d9

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
    Filesize

    1KB

    MD5

    135286f18c44b52355048a2963d8b5bd

    SHA1

    0e002a886a1effc0fe941ae299a013126c494528

    SHA256

    dc241c6edd7f3b84f12e36abf1875583c94a499c314f10f25996ea9bc13f034f

    SHA512

    2fb2b87c30f06c553c9dadd8e8960675068253b21d2c17cc91f87c704ca5c24d8f18b48e42f336338ee0c6035b1eb3f9ea5786bad8f042fd98a59b2c177a93d9

  • C:\Windows\SysWOW64\HelpMe.exe
    Filesize

    960KB

    MD5

    9780c064bb1bc5050753c1fbddaf5d45

    SHA1

    9fc37fe35974eed450f98df2d71bfa8192972d82

    SHA256

    5a4380262db457e8b7f78f15862299b859596daac9c80cc26cfe0ea9953c43b0

    SHA512

    8a59eee5b3fe44ca6a82c0b8a6262456c8d26bbfdd892f5d5621e36f985fd30d70395a74ca18ea23ba978dfc1c8734ee5322dcc20a946898033579fa814b70fa

  • C:\Windows\SysWOW64\HelpMe.exe
    Filesize

    960KB

    MD5

    9780c064bb1bc5050753c1fbddaf5d45

    SHA1

    9fc37fe35974eed450f98df2d71bfa8192972d82

    SHA256

    5a4380262db457e8b7f78f15862299b859596daac9c80cc26cfe0ea9953c43b0

    SHA512

    8a59eee5b3fe44ca6a82c0b8a6262456c8d26bbfdd892f5d5621e36f985fd30d70395a74ca18ea23ba978dfc1c8734ee5322dcc20a946898033579fa814b70fa

  • memory/1044-130-0x0000000000000000-mapping.dmp