Analysis

  • max time kernel
    135s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 13:03

General

  • Target

    PurchaseOrderDetails1.jar

  • Size

    185KB

  • MD5

    d504d3b7e5e1bdac63d9318149856154

  • SHA1

    3381f92ad69fae1d010ac5658021dc7637f268d9

  • SHA256

    07ef8f0b6be3148f8f09592e0089fc2b686919f731a161e90aac867741e17167

  • SHA512

    996d82af3f02da6b5e5636af05f9f3c7c017362ce960d124aca04aa9e880d5238c839a12f864c2a8dc4d5a5cd1723c13e1b15093184f4444028e2d01162c414d

Score
7/10

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Program Files directory 12 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies registry class 1 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\ProgramData\Oracle\Java\javapath\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\PurchaseOrderDetails1.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3872
    • C:\Windows\SYSTEM32\wscript.exe
      wscript C:\Users\Admin\lrhvpssrcz.js
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2704
      • C:\Windows\regedit.exe
        "regedit.exe" "C:\Users\Admin\AppData\Local\Temp\ebgeaegdbdecaedfebace.reg"
        3⤵
        • Runs .reg file with regedit
        PID:3472
      • C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
        "C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\nhcgjzk.txt"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1236
        • C:\Program Files\Java\jre1.8.0_66\bin\java.exe
          "C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\nhcgjzk.txt"
          4⤵
          • Drops startup file
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:1704
          • C:\Program Files\Java\jre1.8.0_66\bin\java.exe
            "C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\nhcgjzk.txt"
            5⤵
            • Drops file in Program Files directory
            PID:2368
          • C:\Windows\SYSTEM32\cmd.exe
            cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\nhcgjzk.txt"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:416
            • C:\Windows\system32\schtasks.exe
              schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\nhcgjzk.txt"
              6⤵
              • Creates scheduled task(s)
              PID:3652

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp
    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp
    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp
    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • C:\Users\Admin\AppData\Local\Temp\ebgeaegdbdecaedfebace.reg
    MD5

    0e5411d7ecba9a435afda71c6c39d8fd

    SHA1

    2d6812052bf7be1b5e213e1d813ae39faa07284c

    SHA256

    cb68d50df5817e51ec5b2f72893dc4c749bf3504519107e0a78dda84d55f09e2

    SHA512

    903ac6e5c8a12607af267b54bcbbedfa5542c5b4f7ea289ab7c6a32a424d5b846ae406d830cb4ad48e2b46f92c504163c0856af8c3e09685a8855f39f616ddb1

  • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna2206094722846610621.dll
    MD5

    e02979ecd43bcc9061eb2b494ab5af50

    SHA1

    3122ac0e751660f646c73b10c4f79685aa65c545

    SHA256

    a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

    SHA512

    1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3686645723-710336880-414668232-1000\83aa4cc77f591dfc2374580bbd95f6ba_89bbad60-16d5-41c2-ad8d-716f4ac5f4c2
    MD5

    c8366ae350e7019aefc9d1e6e6a498c6

    SHA1

    5731d8a3e6568a5f2dfbbc87e3db9637df280b61

    SHA256

    11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

    SHA512

    33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

  • C:\Users\Admin\AppData\Roaming\lib\jna-5.5.0.jar
    MD5

    acfb5b5fd9ee10bf69497792fd469f85

    SHA1

    0e0845217c4907822403912ad6828d8e0b256208

    SHA256

    b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

    SHA512

    e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

  • C:\Users\Admin\AppData\Roaming\lib\jna-platform-5.5.0.jar
    MD5

    2f4a99c2758e72ee2b59a73586a2322f

    SHA1

    af38e7c4d0fc73c23ecd785443705bfdee5b90bf

    SHA256

    24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

    SHA512

    b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

  • C:\Users\Admin\AppData\Roaming\lib\sqlite-jdbc-3.14.2.1.jar
    MD5

    b33387e15ab150a7bf560abdc73c3bec

    SHA1

    66b8075784131f578ef893fd7674273f709b9a4c

    SHA256

    2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

    SHA512

    25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

  • C:\Users\Admin\AppData\Roaming\lib\system-hook-3.5.jar
    MD5

    e1aa38a1e78a76a6de73efae136cdb3a

    SHA1

    c463da71871f780b2e2e5dba115d43953b537daf

    SHA256

    2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

    SHA512

    fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

  • C:\Users\Admin\AppData\Roaming\nhcgjzk.txt
    MD5

    b7164f048951ac2c2da6642aae062eaa

    SHA1

    c10d4d37c18b0198f6e36d190b669e90392c4957

    SHA256

    ee5de847d0030b13a6fa1b9d6d78b7f201369f433928d397d7c295ff1efe93c9

    SHA512

    01d1cc58caead7c18873e0bbf9a1c3551ab79e85e3ae34147b166848306d708857408603f61a1575bbaae2aa707574bd200cb8770f5abd16b2ba87cbfd350bad

  • C:\Users\Admin\AppData\Roaming\nhcgjzk.txt
    MD5

    b7164f048951ac2c2da6642aae062eaa

    SHA1

    c10d4d37c18b0198f6e36d190b669e90392c4957

    SHA256

    ee5de847d0030b13a6fa1b9d6d78b7f201369f433928d397d7c295ff1efe93c9

    SHA512

    01d1cc58caead7c18873e0bbf9a1c3551ab79e85e3ae34147b166848306d708857408603f61a1575bbaae2aa707574bd200cb8770f5abd16b2ba87cbfd350bad

  • C:\Users\Admin\lib\jna-5.5.0.jar
    MD5

    acfb5b5fd9ee10bf69497792fd469f85

    SHA1

    0e0845217c4907822403912ad6828d8e0b256208

    SHA256

    b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

    SHA512

    e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

  • C:\Users\Admin\lib\jna-platform-5.5.0.jar
    MD5

    2f4a99c2758e72ee2b59a73586a2322f

    SHA1

    af38e7c4d0fc73c23ecd785443705bfdee5b90bf

    SHA256

    24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

    SHA512

    b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

  • C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar
    MD5

    b33387e15ab150a7bf560abdc73c3bec

    SHA1

    66b8075784131f578ef893fd7674273f709b9a4c

    SHA256

    2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

    SHA512

    25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

  • C:\Users\Admin\lib\system-hook-3.5.jar
    MD5

    e1aa38a1e78a76a6de73efae136cdb3a

    SHA1

    c463da71871f780b2e2e5dba115d43953b537daf

    SHA256

    2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

    SHA512

    fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

  • C:\Users\Admin\lrhvpssrcz.js
    MD5

    6593fd43b67d7c1e1595517446a6c7ea

    SHA1

    b35c05da61381f51cb993bd7b1da45676445ade1

    SHA256

    d725e734cd1d7c2f807d1bb30443b3152cc2b15c01657df4cb349aa1a043e16d

    SHA512

    f41f5b84a4b2d50818b512b412f694937d726af10f4661c5fa7eb69337e3ac7251efa47e2fa027907ce1d905d5088e34f330ba6c82265f8b75610594cd084e95

  • C:\Users\Admin\nhcgjzk.txt
    MD5

    b7164f048951ac2c2da6642aae062eaa

    SHA1

    c10d4d37c18b0198f6e36d190b669e90392c4957

    SHA256

    ee5de847d0030b13a6fa1b9d6d78b7f201369f433928d397d7c295ff1efe93c9

    SHA512

    01d1cc58caead7c18873e0bbf9a1c3551ab79e85e3ae34147b166848306d708857408603f61a1575bbaae2aa707574bd200cb8770f5abd16b2ba87cbfd350bad

  • \Users\Admin\AppData\Local\Temp\jna-63116079\jna2206094722846610621.dll
    MD5

    e02979ecd43bcc9061eb2b494ab5af50

    SHA1

    3122ac0e751660f646c73b10c4f79685aa65c545

    SHA256

    a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

    SHA512

    1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

  • memory/416-215-0x0000000000000000-mapping.dmp
  • memory/1236-181-0x0000000003480000-0x0000000003490000-memory.dmp
    Filesize

    64KB

  • memory/1236-140-0x0000000003360000-0x0000000003370000-memory.dmp
    Filesize

    64KB

  • memory/1236-145-0x0000000003400000-0x0000000003410000-memory.dmp
    Filesize

    64KB

  • memory/1236-149-0x0000000003390000-0x00000000033A0000-memory.dmp
    Filesize

    64KB

  • memory/1236-151-0x00000000033A0000-0x00000000033B0000-memory.dmp
    Filesize

    64KB

  • memory/1236-152-0x0000000002DE0000-0x0000000002DE1000-memory.dmp
    Filesize

    4KB

  • memory/1236-153-0x00000000033B0000-0x00000000033C0000-memory.dmp
    Filesize

    64KB

  • memory/1236-155-0x00000000033C0000-0x00000000033D0000-memory.dmp
    Filesize

    64KB

  • memory/1236-156-0x00000000033C0000-0x00000000033D0000-memory.dmp
    Filesize

    64KB

  • memory/1236-158-0x00000000033D0000-0x00000000033E0000-memory.dmp
    Filesize

    64KB

  • memory/1236-159-0x0000000002DE0000-0x0000000002DE1000-memory.dmp
    Filesize

    4KB

  • memory/1236-160-0x0000000002DE0000-0x0000000002DE1000-memory.dmp
    Filesize

    4KB

  • memory/1236-163-0x0000000002DE0000-0x0000000002DE1000-memory.dmp
    Filesize

    4KB

  • memory/1236-167-0x0000000002DE0000-0x0000000002DE1000-memory.dmp
    Filesize

    4KB

  • memory/1236-168-0x0000000002DE0000-0x0000000002DE1000-memory.dmp
    Filesize

    4KB

  • memory/1236-169-0x0000000002DE0000-0x0000000002DE1000-memory.dmp
    Filesize

    4KB

  • memory/1236-170-0x0000000002DE0000-0x0000000002DE1000-memory.dmp
    Filesize

    4KB

  • memory/1236-171-0x0000000002DE0000-0x0000000002DE1000-memory.dmp
    Filesize

    4KB

  • memory/1236-172-0x0000000002DE0000-0x0000000002DE1000-memory.dmp
    Filesize

    4KB

  • memory/1236-173-0x0000000003420000-0x0000000003430000-memory.dmp
    Filesize

    64KB

  • memory/1236-174-0x0000000003430000-0x0000000003440000-memory.dmp
    Filesize

    64KB

  • memory/1236-175-0x0000000003450000-0x0000000003460000-memory.dmp
    Filesize

    64KB

  • memory/1236-176-0x0000000003490000-0x00000000034A0000-memory.dmp
    Filesize

    64KB

  • memory/1236-177-0x0000000003460000-0x0000000003470000-memory.dmp
    Filesize

    64KB

  • memory/1236-178-0x0000000003440000-0x0000000003450000-memory.dmp
    Filesize

    64KB

  • memory/1236-179-0x0000000003470000-0x0000000003480000-memory.dmp
    Filesize

    64KB

  • memory/1236-143-0x0000000003380000-0x0000000003390000-memory.dmp
    Filesize

    64KB

  • memory/1236-180-0x0000000002DE0000-0x0000000002DE1000-memory.dmp
    Filesize

    4KB

  • memory/1236-182-0x0000000002DE0000-0x0000000002DE1000-memory.dmp
    Filesize

    4KB

  • memory/1236-183-0x0000000002DE0000-0x0000000002DE1000-memory.dmp
    Filesize

    4KB

  • memory/1236-184-0x0000000002DE0000-0x0000000002DE1000-memory.dmp
    Filesize

    4KB

  • memory/1236-185-0x0000000002DE0000-0x0000000002DE1000-memory.dmp
    Filesize

    4KB

  • memory/1236-186-0x0000000002DE0000-0x0000000002DE1000-memory.dmp
    Filesize

    4KB

  • memory/1236-187-0x0000000002DE0000-0x0000000002DE1000-memory.dmp
    Filesize

    4KB

  • memory/1236-188-0x0000000002DE0000-0x0000000002DE1000-memory.dmp
    Filesize

    4KB

  • memory/1236-189-0x00000000034A0000-0x00000000034B0000-memory.dmp
    Filesize

    64KB

  • memory/1236-120-0x0000000000000000-mapping.dmp
  • memory/1236-141-0x0000000003370000-0x0000000003380000-memory.dmp
    Filesize

    64KB

  • memory/1236-147-0x0000000003410000-0x0000000003420000-memory.dmp
    Filesize

    64KB

  • memory/1236-139-0x0000000003350000-0x0000000003360000-memory.dmp
    Filesize

    64KB

  • memory/1236-135-0x00000000033F0000-0x0000000003400000-memory.dmp
    Filesize

    64KB

  • memory/1236-137-0x0000000003340000-0x0000000003350000-memory.dmp
    Filesize

    64KB

  • memory/1236-133-0x00000000033E0000-0x00000000033F0000-memory.dmp
    Filesize

    64KB

  • memory/1236-123-0x0000000003080000-0x00000000032F0000-memory.dmp
    Filesize

    2.4MB

  • memory/1236-124-0x0000000002DE0000-0x0000000002DE1000-memory.dmp
    Filesize

    4KB

  • memory/1236-125-0x0000000002DE0000-0x0000000002DE1000-memory.dmp
    Filesize

    4KB

  • memory/1236-126-0x00000000032F0000-0x0000000003300000-memory.dmp
    Filesize

    64KB

  • memory/1236-128-0x0000000003310000-0x0000000003320000-memory.dmp
    Filesize

    64KB

  • memory/1236-132-0x0000000003330000-0x0000000003340000-memory.dmp
    Filesize

    64KB

  • memory/1236-130-0x0000000002DE0000-0x0000000002DE1000-memory.dmp
    Filesize

    4KB

  • memory/1236-127-0x0000000003300000-0x0000000003310000-memory.dmp
    Filesize

    64KB

  • memory/1236-129-0x0000000003320000-0x0000000003330000-memory.dmp
    Filesize

    64KB

  • memory/1704-231-0x00000000029B0000-0x00000000029C0000-memory.dmp
    Filesize

    64KB

  • memory/1704-206-0x00000000024F0000-0x00000000024F1000-memory.dmp
    Filesize

    4KB

  • memory/1704-217-0x00000000024F0000-0x00000000024F1000-memory.dmp
    Filesize

    4KB

  • memory/1704-232-0x00000000029C0000-0x00000000029D0000-memory.dmp
    Filesize

    64KB

  • memory/1704-197-0x0000000000000000-mapping.dmp
  • memory/1704-211-0x00000000029A0000-0x00000000029B0000-memory.dmp
    Filesize

    64KB

  • memory/1704-209-0x0000000002990000-0x00000000029A0000-memory.dmp
    Filesize

    64KB

  • memory/1704-205-0x0000000002720000-0x0000000002990000-memory.dmp
    Filesize

    2.4MB

  • memory/1704-207-0x00000000024F0000-0x00000000024F1000-memory.dmp
    Filesize

    4KB

  • memory/1704-233-0x00000000029D0000-0x00000000029E0000-memory.dmp
    Filesize

    64KB

  • memory/1704-234-0x00000000029E0000-0x00000000029F0000-memory.dmp
    Filesize

    64KB

  • memory/2368-240-0x0000000003280000-0x0000000003290000-memory.dmp
    Filesize

    64KB

  • memory/2368-235-0x0000000003000000-0x0000000003270000-memory.dmp
    Filesize

    2.4MB

  • memory/2368-236-0x0000000000DC0000-0x0000000000DC1000-memory.dmp
    Filesize

    4KB

  • memory/2368-216-0x0000000000000000-mapping.dmp
  • memory/2368-238-0x0000000003270000-0x0000000003280000-memory.dmp
    Filesize

    64KB

  • memory/2368-242-0x00000000032A0000-0x00000000032B0000-memory.dmp
    Filesize

    64KB

  • memory/2368-241-0x0000000003290000-0x00000000032A0000-memory.dmp
    Filesize

    64KB

  • memory/2704-115-0x0000000000000000-mapping.dmp
  • memory/3472-118-0x0000000000000000-mapping.dmp
  • memory/3652-225-0x0000000000000000-mapping.dmp
  • memory/3872-116-0x0000000000630000-0x0000000000631000-memory.dmp
    Filesize

    4KB

  • memory/3872-114-0x00000000024A0000-0x0000000002710000-memory.dmp
    Filesize

    2.4MB