Analysis

  • max time kernel
    136s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    05-05-2021 09:50

General

  • Target

    IMAGE-20210505-2001902818921.exe

  • Size

    746KB

  • MD5

    ca14ee6f98ab550e2e1c44f533302d07

  • SHA1

    66304f4bcc82214ee9cdcfee76f3769be868ddee

  • SHA256

    5965d771551e261280e191116d9ed9aeae23eefea54753f2a23792df5e315b02

  • SHA512

    93eb40379e3ade148bff54bda92c8cd70ad887354ccc5af322dc98cc0661de881e6f6353762dc44f92a35ab1c62b799294d9cf1aae85958c5fdb58d1cfac123c

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.merckcbd.com/dei5/

Decoy

studiomullerphoto.com

reallionairewear.com

dogsalondoggy-tail.com

excelmache.net

bigdiscounters.com

7986799.com

ignition.guru

xiaoxu.info

jpinpd.com

solpool.info

uchooswrewards.com

everestengineeringworks.com

qianglongzhipin.com

deepimper-325.com

appliedrate.com

radsazemehr.com

vivabematividadesfisicas.com

capacitalo.com

somecore.com

listingclass.net

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook Payload 1 IoCs
  • Suspicious use of SetThreadContext 1 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.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\IMAGE-20210505-2001902818921.exe
    "C:\Users\Admin\AppData\Local\Temp\IMAGE-20210505-2001902818921.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1824
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\IMAGE-20210505-2001902818921.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1904
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AJWuOzen.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:968
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AJWuOzen" /XML "C:\Users\Admin\AppData\Local\Temp\tmp73F8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:316
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AJWuOzen.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1776
    • C:\Users\Admin\AppData\Local\Temp\IMAGE-20210505-2001902818921.exe
      "C:\Users\Admin\AppData\Local\Temp\IMAGE-20210505-2001902818921.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1536

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_10a2719f-ab19-452c-9537-375fecbe5f96
    MD5

    df44874327d79bd75e4264cb8dc01811

    SHA1

    1396b06debed65ea93c24998d244edebd3c0209d

    SHA256

    55de642c5c9e436ec01c57004dae797022442c3245daf7162d19a5585f221181

    SHA512

    95dc9298b8db059bbe746f67e6a7f8515781c7053cc60c01532e47623a996be7e1bd23d1bd8f5f2045adff27454f44930d503c15b695690088841cedbd2a06c3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_1abda922-9e0e-4200-89d0-60796083afcc
    MD5

    be4d72095faf84233ac17b94744f7084

    SHA1

    cc78ce5b9c57573bd214a8f423ee622b00ebb1ec

    SHA256

    b0d72c5c22e57913476ac8fc686a4593f137c6667d5094522c0a0685dabd7adc

    SHA512

    43856e9b1032b8690ceea810c931bed3655e9190414bb220fb6afc136f31b8335e07604dffb28405d4006f266a54cff424c527d29924b1b732c9647a3252b097

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_32b21970-4839-4ac5-a2ad-cc925aecc47c
    MD5

    a725bb9fafcf91f3c6b7861a2bde6db2

    SHA1

    8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

    SHA256

    51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

    SHA512

    1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_32b21970-4839-4ac5-a2ad-cc925aecc47c
    MD5

    a725bb9fafcf91f3c6b7861a2bde6db2

    SHA1

    8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

    SHA256

    51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

    SHA512

    1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_40cad81f-3592-4cf2-a36e-09567e772717
    MD5

    354b8209f647a42e2ce36d8cf326cc92

    SHA1

    98c3117f797df69935f8b09fc9e95accfe3d8346

    SHA256

    feae405d288fdd38438f9d9b54f791f3ce3805f1bb88780da5aca402ad372239

    SHA512

    420be869b58e9a7a2c31f2550ac269df832935692a6431d455a10d9b426781e79d91e30ace2c465633b8a7ff2be1bf49734d8b99a390090dc4b36411d4391ff0

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_60554f64-a36e-4439-8748-76f202d7cb75
    MD5

    02ff38ac870de39782aeee04d7b48231

    SHA1

    0390d39fa216c9b0ecdb38238304e518fb2b5095

    SHA256

    fbd66a9baf753db31b8de23f2d51b67f8676687503653103080c45b16f1dc876

    SHA512

    24a1ff76ee42ff7a5ea42843928c4df07b06178f7781cd840e1e086e88735d81506eb67259ff1e6ce5aaa7c5baea03886da265eb7e025ff4dc4c4b5f8cd3e341

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6ccb18ff-7a22-469e-90e7-ccc861e1432b
    MD5

    b6d38f250ccc9003dd70efd3b778117f

    SHA1

    d5a17c02cac698d4f0a4a9b7d71db2aa19e3f18a

    SHA256

    4de9d7b5ccab7b67ca8efc83084c7ee6e5e872b7216ed4683bc5da950bf41265

    SHA512

    67d8195836b7f280d3f9219fd0f58276342e55d5dfdd8a4c54355030d96685d73f1b2b6da0eb39322ec7c3a1d1c5ef06b52d22646cea30a96f822de1800d31e9

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_7bc5ca8a-50eb-4a28-856a-31595e01418a
    MD5

    597009ea0430a463753e0f5b1d1a249e

    SHA1

    4e38b8bb65ecbd5c9f0d3d8c47f7caba33de6c62

    SHA256

    3fd2a8217a845c43dbc0dc206c28be81d2687aa9ba62019d905aef10cfaec45d

    SHA512

    5d722fa908e64575b2497c60d142e182011a10c6ed33813b3b4796b3147ece1bc96938518b4c8911a1bac3b7560528ebe3e8e754c11015516d335df5d7c6871d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_99a6671d-b95b-4add-acf9-fba2f1379156
    MD5

    7f79b990cb5ed648f9e583fe35527aa7

    SHA1

    71b177b48c8bd745ef02c2affad79ca222da7c33

    SHA256

    080ec69d3f2abac629a0bdc314f150ad42a9a1b0a031b1d5c7b5b80051c48683

    SHA512

    20926edf7f0b990da4bd8d7ba91bd8bf7b952b75080f687afa7197a91777604688303d38b4a0a7240b558c23f2e0cd927d3590765109f8be0551f5eb050eafda

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b81f6e62-4824-4d7a-b559-e54ee3cdb52a
    MD5

    d89968acfbd0cd60b51df04860d99896

    SHA1

    b3c29916ccb81ce98f95bbf3aa8a73de16298b29

    SHA256

    1020cc7c929cd5a4e68ccb40353ca76f427df363f0d95e456eb79db039bdb2b9

    SHA512

    b0e886cce598371b59131fed1535e220c798691bad93ef9474ba440066f5a6bd77a60966604b7a5ff6298b2e200c9dd0c8f9f04aff208b2af423480ead4e8842

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_bd47eb21-a96b-4ccd-99d7-0d9f3f6c10b6
    MD5

    75a8da7754349b38d64c87c938545b1b

    SHA1

    5c28c257d51f1c1587e29164cc03ea880c21b417

    SHA256

    bf08151c174b5d00c9dbc7907b2c6a01b4be76bfa3afce1e8bd98a04ad833c96

    SHA512

    798797bc74c56c874e9a5fdcb0157c04e37a1b3cce285ef064b01bceef8cec45f11a5198918c6c647220b62883606b5e12e3cca3ea369f3a66e69dea6e15f643

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_c9b427a0-6073-4eb8-9b09-f8e4712d7ab5
    MD5

    5e3c7184a75d42dda1a83606a45001d8

    SHA1

    94ca15637721d88f30eb4b6220b805c5be0360ed

    SHA256

    8278033a65d1ff48be4d86e11f87930d187692f59f8bf2f0a9d170de285afb59

    SHA512

    fae99b6e9b106e0f1c30aa4082b25ae1ad643455c1295c2c16ad534e3e611b9b08492353ffe1af1cfdddc9b2b7c330747a64012c45e62b8f4a4982dcc214e05b

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_d7abc7d8-1ede-40eb-bfa4-9284795594d2
    MD5

    a70ee38af4bb2b5ed3eeb7cbd1a12fa3

    SHA1

    81dbaeae4b0f9e1adc0a1e3d6d76a12396498ba9

    SHA256

    dd2f41f92f19c3fe031bdf5da68ab06768e26762d0077b290cd0094df1d5d58d

    SHA512

    8c69a5300c7545c5c4b25a0594e6813b6b7a85b5f3ae7fc5464b4074fe6f50b2f49d31cacf19bc20a02bb8e237656f1b9b2a3f6a3953e3a8478ca2adc154e0e3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
    MD5

    f1111cbbbcf12bc122eda0fc92b32571

    SHA1

    c6689eb6d4f09a3e4db36ef7827ac73b8e05cf7e

    SHA256

    8fcb255cd3a3f1644acbe1800a1420151d35fde399ffa1d4484a56bd77645136

    SHA512

    b965221ef57f37670f03a6e0d1c92bfaac5149715b6fae0ad750b4b2aba20fcaa6b2ba85298d4240cf3a5334cbd1d6e681a697a4d51360000a61910c0c3df8ed

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
    MD5

    9ff7ff8ea0a9b8b4434bba9b2232e50b

    SHA1

    4cb5ee31031773d3312862902db091932f7cd1d4

    SHA256

    1018bc929807d2d960bc3e265e4461f93e96f800811343fd3dc0f656c0a6b3a0

    SHA512

    b7ced18bfda6f8bd31600ab3e605a0c802173bd2f57663b5fc2253aefb5388efc8e6c1911da5ddac348c08550a2048137ec21ee9164eb8992f63392dac4a0ab1

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
    MD5

    47626143158e8f440e229a64ea8afdfa

    SHA1

    e68187bbab79103df88449afe646d56711fce2a9

    SHA256

    11e4ad802bc651a0bae612c48be945eb0e77192a465955e88705e8fab74346d5

    SHA512

    7323fcb9e2039dfd205ae3ec7c7164f5d52568276d460960317ab0c4c61d3bf2918ed63246eb5a5150a7f0a8af6b5bb3a2a06d0d616c2671adb612d830624695

  • C:\Users\Admin\AppData\Local\Temp\tmp73F8.tmp
    MD5

    c09ce58a20c7416440477118575b0f5d

    SHA1

    2d821c968a5bdbdd99e1ac8c86f63da1daf72980

    SHA256

    2ba0de775ea56c368f63241fad735902ac39d242c36280e63a005c9b8b02a79d

    SHA512

    9d7467f446ad719403a7e1f132eb608bfd85eb4ad357682eb455afdf48f40afe962e314a52f0b7883ec5af42e7a3a26ae1a8cc9814eb6e09e4b7c661bb007085

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
    MD5

    debe3ee5108477831588be039cb2abd9

    SHA1

    4e43d42f01c7c21703dceb0a0db3846da0b9d74e

    SHA256

    4614c011a74f80a9b453ed71dcebf49819d62fd867c67bd1d4df773a302f4a7d

    SHA512

    b5efe391cd015c478ec5a6ceb432135564347b56616da5538a3dfba64fbec07e0ff3f5781d55ed2bbd992a8a2afabc8e41a4e10d39209fdca69930af94940fde

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
    MD5

    debe3ee5108477831588be039cb2abd9

    SHA1

    4e43d42f01c7c21703dceb0a0db3846da0b9d74e

    SHA256

    4614c011a74f80a9b453ed71dcebf49819d62fd867c67bd1d4df773a302f4a7d

    SHA512

    b5efe391cd015c478ec5a6ceb432135564347b56616da5538a3dfba64fbec07e0ff3f5781d55ed2bbd992a8a2afabc8e41a4e10d39209fdca69930af94940fde

  • memory/316-68-0x0000000000000000-mapping.dmp
  • memory/968-71-0x0000000000AC0000-0x0000000000AC1000-memory.dmp
    Filesize

    4KB

  • memory/968-94-0x0000000002910000-0x0000000002911000-memory.dmp
    Filesize

    4KB

  • memory/968-74-0x0000000004980000-0x0000000004981000-memory.dmp
    Filesize

    4KB

  • memory/968-67-0x0000000000000000-mapping.dmp
  • memory/1536-82-0x000000000041ECD0-mapping.dmp
  • memory/1536-90-0x0000000000A20000-0x0000000000D23000-memory.dmp
    Filesize

    3.0MB

  • memory/1536-81-0x0000000000400000-0x000000000042E000-memory.dmp
    Filesize

    184KB

  • memory/1776-91-0x00000000026A0000-0x00000000026A1000-memory.dmp
    Filesize

    4KB

  • memory/1776-80-0x0000000000000000-mapping.dmp
  • memory/1776-88-0x0000000004A40000-0x0000000004A41000-memory.dmp
    Filesize

    4KB

  • memory/1776-89-0x0000000004A42000-0x0000000004A43000-memory.dmp
    Filesize

    4KB

  • memory/1824-64-0x0000000000EC0000-0x0000000000F28000-memory.dmp
    Filesize

    416KB

  • memory/1824-63-0x0000000005020000-0x00000000050CD000-memory.dmp
    Filesize

    692KB

  • memory/1824-62-0x0000000000220000-0x000000000022E000-memory.dmp
    Filesize

    56KB

  • memory/1824-61-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB

  • memory/1824-59-0x00000000012C0000-0x00000000012C1000-memory.dmp
    Filesize

    4KB

  • memory/1904-104-0x0000000005670000-0x0000000005671000-memory.dmp
    Filesize

    4KB

  • memory/1904-136-0x0000000006310000-0x0000000006311000-memory.dmp
    Filesize

    4KB

  • memory/1904-135-0x0000000006300000-0x0000000006301000-memory.dmp
    Filesize

    4KB

  • memory/1904-120-0x00000000055D0000-0x00000000055D1000-memory.dmp
    Filesize

    4KB

  • memory/1904-76-0x0000000001F90000-0x0000000002BDA000-memory.dmp
    Filesize

    12.3MB

  • memory/1904-66-0x00000000757C1000-0x00000000757C3000-memory.dmp
    Filesize

    8KB

  • memory/1904-65-0x0000000000000000-mapping.dmp
  • memory/1904-113-0x00000000057E0000-0x00000000057E1000-memory.dmp
    Filesize

    4KB

  • memory/1904-106-0x0000000005860000-0x0000000005861000-memory.dmp
    Filesize

    4KB

  • memory/1904-105-0x000000007EF30000-0x000000007EF31000-memory.dmp
    Filesize

    4KB

  • memory/1904-99-0x0000000005610000-0x0000000005611000-memory.dmp
    Filesize

    4KB