Analysis

  • max time kernel
    152s
  • max time network
    186s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    03-07-2022 10:15

General

  • Target

    3b9a7563843e7ad41a68f3e91e85eb711eb25916fb9d2781e7f533ba4e6aeb17.exe

  • Size

    947KB

  • MD5

    da7f72ec43188019a4c279bef8f4b0ca

  • SHA1

    4f6fc481cd01fea0c261fdb83ac663bcfbe2a753

  • SHA256

    3b9a7563843e7ad41a68f3e91e85eb711eb25916fb9d2781e7f533ba4e6aeb17

  • SHA512

    bc96cd25cd21f211c34d53b4f22b6ce4ad5aef1c30a6be10c7d12c634158d73515d9af81fe3aa528e7a539b5a3237287090ccc8d2196374a0bf73b9ffb10b622

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\3b9a7563843e7ad41a68f3e91e85eb711eb25916fb9d2781e7f533ba4e6aeb17.exe
    "C:\Users\Admin\AppData\Local\Temp\3b9a7563843e7ad41a68f3e91e85eb711eb25916fb9d2781e7f533ba4e6aeb17.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:3236
    • 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:3140

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-1-5-21-2632097139-1792035885-811742494-1000\desktop.ini.exe
    Filesize

    947KB

    MD5

    0a47c62e3313037893b436c4352895be

    SHA1

    fa01a73c9c3bb68d2ad4c83a433aa9d136148f35

    SHA256

    3a99081eff386dfc6edf8bcb88011b6be005bcd70859f863819bda8a36de7fb7

    SHA512

    bfbb5214204fa8be706dd43dca417649c4358982f1f5659cd65ae9ed7df9ef855b7f7bf0e2d6c95e58e75f71fc5a2f5009b95a8a30f077f29bff8ef1125ce17e

  • C:\AutoRun.exe
    Filesize

    946KB

    MD5

    950a578da2e010ecd35442453be24521

    SHA1

    1d036dbffba6cf4a89bd4fa363b68f874530ed29

    SHA256

    020f42fa502e180ef726ba7024165dbbf7fb5886e5f46ee493886d4ae1982e3e

    SHA512

    d9823430c544595db1f4eee121fc0ce1ca35e025f3e78858e59cfc51fb8fbcd94f993a19c1f8a3042020634026db12301cc2f095755ec31819f43a3318f90ef6

  • 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

    138f505362538ee2e6e3a99d73302cfb

    SHA1

    5738d01c01e8290466d6ddfc28aa0523f8fe9826

    SHA256

    a198ac78230458d398214c48c935195e3e44f892d6ad6560293fbe8669b5b15a

    SHA512

    8c4135be4865c5e4ec73b61c07d8a9c7edd98ac3289c6bbfc7e12a4dd3a0d8e89e989ac75285a4771f7a7c4af508101bf836f8573dcd02f97f0ee837443b1d55

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

    1019B

    MD5

    4f00bb8cf131bf39d32ff04e32e050d1

    SHA1

    786ee131952a5a6e4fb68ddf524c200b0c71f656

    SHA256

    9337fe13c04ebd2422f9c8bff124d62ed3d1f119b27292cf277de643b191ba1b

    SHA512

    accd1fcee1a5061678508c686adcf2ab8af4c6714b90f20f8e9206c1da21995c8ced8e8415cbf11fa4429835f76d114ccff6707b7c6f774d8960055603a15c62

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

    1KB

    MD5

    29c88116ced89ccee429c653e0ead530

    SHA1

    072c38073d27c61419ac61e78e7eaef88845f93c

    SHA256

    4539c7051333775b8db809d94e2c107223aa8798384c1a64057755b184dec500

    SHA512

    9a9c6045d17036d9d97a6e8d66676280a4c7c9824a0abb821e4d6285a178078bb1524373160542bc5f95a6c5899ac3e2f61dc0db48935180c461df96c41e3c2a

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

    1019B

    MD5

    5f61b5ab86606fd343b2a455d362b72d

    SHA1

    3f287e3e76fb286331fb65d68cb226b296f87133

    SHA256

    b3c650db22378dbd9908e29a2bfea9d3d607be9e9f5d97f2dd6d60fe912462ff

    SHA512

    77e289e55d02320d7ec9ac25fe9622f03bb55019adfc9e937b4b6a9341441e39b7d98a1f484ea75e7513cce84f93e5b65ee2cbf06cda642cc898ed338278c856

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

    1019B

    MD5

    aad7618742d8a313e8864d15faf971a7

    SHA1

    d0ec8abbaeddb38fdc4a4ddaa61aa0cb2ec55c99

    SHA256

    1e87e646a572e624db097f9b69a11a8a4b1cc0d838298eae2fce6d1de9868093

    SHA512

    e43543d162171a8be50e268cbb8ab63ff0b2524888a66315492a4a171338705a98baed265141b072385fb15feb9eb88c3b2c991ee2b2ee4a99d61e5c8b9b771a

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

    1019B

    MD5

    aad7618742d8a313e8864d15faf971a7

    SHA1

    d0ec8abbaeddb38fdc4a4ddaa61aa0cb2ec55c99

    SHA256

    1e87e646a572e624db097f9b69a11a8a4b1cc0d838298eae2fce6d1de9868093

    SHA512

    e43543d162171a8be50e268cbb8ab63ff0b2524888a66315492a4a171338705a98baed265141b072385fb15feb9eb88c3b2c991ee2b2ee4a99d61e5c8b9b771a

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

    1KB

    MD5

    29a6a2388565ce4b721159a89d7efb49

    SHA1

    1c63af26ef4e484dc2d2b2eb42ab3f2338254ee7

    SHA256

    214f8899cd3249a2c7ec315deedc03244499d0d74d0d597c0c8e374bd4cc0ab8

    SHA512

    7d5bf586f0d3a167545d23224d4a95f0f3f5fcb9ddd089f9fd795171e42d0e786f25e7c75bc7e3534eac4989201dec2eb58366181ff489626891d93f2ac9a83a

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

    1019B

    MD5

    3bf7438ba7e476af8bff67d1127f6270

    SHA1

    108b2afd1f4a076a4d071606d782dcbcadf5e2da

    SHA256

    b080bfeb0e40449808f348b0a45b7337aedb2da073a6d1cd7e429cd3d37f5f75

    SHA512

    b6224ac0f60adc782ba95760822c57d8cf93e645fd0e95e393317dc547fac5ab59aaefe5c9c7443def4101df8475807ae5f292cef202fe05ed54126f9e661578

  • 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

    1019B

    MD5

    43745bc6cbccf7f7610b410098e7f195

    SHA1

    c5c2fd91cbd613790be46da135b002d5f467245d

    SHA256

    0cd51b81548049acb3f87f9e63fa3e3674a663e9659d296c215556a4e310057e

    SHA512

    814c49a965d28cdf0c5d3a3c6d8fa434315a1fcc65b7bf30448ea32ce8c9b660b2b8d63ebaf8c775935fd214fbfc4694dca731b8c92da0e4364d7e5cb736736d

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

    1KB

    MD5

    8153e49833fa6429bacf280e930efc73

    SHA1

    87871b5024a71df01b5ae73ebe35ba00ad648a4f

    SHA256

    01ca0b92670f2065d0b4c5dc3c6a4069a3a9c59297068765e410ff11baa8acfe

    SHA512

    2012d260e46b526ef1cabbb1338b06ff8cf8bac4738b30be78edea944df0fe54e617a722fb0841eff1e9f4bd8e0f9cc2c4dac9f79ffb0d4e877aa3a79621ff85

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

    1KB

    MD5

    fca531f957a34f769e8ddf2ba1aac15e

    SHA1

    11113e67fa96e39aafa34b63f1436e38bcd46cb5

    SHA256

    7ad40554f37ec5b38069ecfa37622365579a1e3d33e7a63ff2eb9816b2101dee

    SHA512

    0ed9350855b8dc537173b5d8a88eca631ed5bc07c4f314c22d519afac1156c7013924eaf4c983bec2bd57510578ec5cf0374ceb4f459272bff4390a869ba190a

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

    1019B

    MD5

    5ddf498cf37c38e2cd9264af00ace815

    SHA1

    50e78961f5c3f3f1251ee039cccd0bd20bb3298f

    SHA256

    f783a335f5d18a291d58083ee4fa9a6a4ae8c9447ed2cdba9c2a7d49163020c1

    SHA512

    cfaaf42b062d87eb53b6159ffd5df519e896130bd15e7033ee141f70824bcfc16e127e557d47bf4c14cb880470ef3096cba446b71033c07127c37282f3845fd1

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

    1KB

    MD5

    ebdd3ff3b8256af3e02919b024007587

    SHA1

    6ff82c38e7484c07eb6c3023df350ef36cb13fee

    SHA256

    24f7b1b323eb946cbbba9b20ff8b0b4bd824e173cb78ce2e8a7e8fa07756f390

    SHA512

    e7e4a7b977d77a490fe463760a069db3baa1bb307372d9377dcdbb70a22e2c5b6c0c03d102eae876cac2f42de4a4e1841c1dd95ae88aede54ad691e390c7dea4

  • 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
    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

    1KB

    MD5

    b2838545598e3d904e9535a84e07387e

    SHA1

    26dc50853eee46c007f9230c4ba39b860b3c4664

    SHA256

    1528cad4adfb18e0aa8c16369581a5a19fefade6322d98aae2a8c3ecdb3a9c07

    SHA512

    79f35bf9b5daa1634735615c5521bc3877e8ca83a8b96fc0deab41caf72029ac97c127429febb8f4d1018071386e2315f14ae33f7b616666499545a4ab535fdf

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

    1KB

    MD5

    b2838545598e3d904e9535a84e07387e

    SHA1

    26dc50853eee46c007f9230c4ba39b860b3c4664

    SHA256

    1528cad4adfb18e0aa8c16369581a5a19fefade6322d98aae2a8c3ecdb3a9c07

    SHA512

    79f35bf9b5daa1634735615c5521bc3877e8ca83a8b96fc0deab41caf72029ac97c127429febb8f4d1018071386e2315f14ae33f7b616666499545a4ab535fdf

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

    1019B

    MD5

    c5ca173017756d5bb5847450a3065793

    SHA1

    9e6ff0c9e9237e73e75cf31f99ab214b6c508fdf

    SHA256

    234e949db53bcbcc979bbdc6a1b3ada0346791bb92f70ed1218872c37e3af352

    SHA512

    4b80e5b068a94438fe5d8f2a0d82d73e09a803da64742a7ce3f75f2e43b3d81debdc54bf6b5c6c182a5a2cd7f7b0fa0beda1cf774c809ed7bc8eef8fefa45093

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

    1KB

    MD5

    dee7e066e96be7738dc2c70c2ccfeaaa

    SHA1

    3638d3b799f2be96e30844360ba04fcf0d52bd94

    SHA256

    7fac7e53d60ecc523297ba3afa7f9fdb3de6216322cef6ee27dd70f63ca2a1cc

    SHA512

    50fbf26a413c42c428ac7d3cc8bf30eced3872a107568e68abb6a35862ac89ed2060e6abe807ad168c1b77751f5510b66d316ce0cb8d0eb56aeb261ccf13f1db

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

    1019B

    MD5

    b1e77c3d58e1bb8e1fa9f65cd0352a97

    SHA1

    3f125a7361ef33b02e45319a773ad58610b25441

    SHA256

    496cdee02b39c4491b44b5016c0de1666aa19d0e2c334b3c131b6598ccf9c57f

    SHA512

    b95702cab1ad497f63d7ea07dfea4e318990739be604f5996ad9366f4aec20b98264dfedfdea1276123637dbf75bad798669c87845b0bc709a119fa9f4760e19

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

    1KB

    MD5

    a4b1469b15b84c8eb1c87738c547bbde

    SHA1

    f29ad2d92cdee3ac96f9c6cd34d4d93186fe69e6

    SHA256

    727a3a3b776f836ee1efa2af5739c03af0c04b07558c847f11f8ecbadc7303f0

    SHA512

    fc18334cc38732d4c69d2e2d18602bbdbeaaec0dee8001702679927b2bab70702d5ea1d1a75a69bcd1fcc086c5ad32268c1cf837bad005a591ee6b4307e6e706

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

    946KB

    MD5

    950a578da2e010ecd35442453be24521

    SHA1

    1d036dbffba6cf4a89bd4fa363b68f874530ed29

    SHA256

    020f42fa502e180ef726ba7024165dbbf7fb5886e5f46ee493886d4ae1982e3e

    SHA512

    d9823430c544595db1f4eee121fc0ce1ca35e025f3e78858e59cfc51fb8fbcd94f993a19c1f8a3042020634026db12301cc2f095755ec31819f43a3318f90ef6

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

    946KB

    MD5

    950a578da2e010ecd35442453be24521

    SHA1

    1d036dbffba6cf4a89bd4fa363b68f874530ed29

    SHA256

    020f42fa502e180ef726ba7024165dbbf7fb5886e5f46ee493886d4ae1982e3e

    SHA512

    d9823430c544595db1f4eee121fc0ce1ca35e025f3e78858e59cfc51fb8fbcd94f993a19c1f8a3042020634026db12301cc2f095755ec31819f43a3318f90ef6

  • memory/3140-130-0x0000000000000000-mapping.dmp