Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    03-05-2021 05:41

General

  • Target

    IMAGE20210503-29001864.exe

  • Size

    769KB

  • MD5

    5446b16d04c52642a4f7fb51b577a9ac

  • SHA1

    9275563a79d55d929c427e63b88b308c02387a18

  • SHA256

    45ba6a8266131def534de0343789c5280522bf88582384487af7bcd0548b75d4

  • SHA512

    16b941a9337dbbbc49048a23be9a0aef5fb67bd4a352b4f64e46a471753e72c6d48a012feba299bbd3f4ccf7966a9095baac7402c8889089fa867b94ef5dee67

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 3 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 3 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.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Users\Admin\AppData\Local\Temp\IMAGE20210503-29001864.exe
      "C:\Users\Admin\AppData\Local\Temp\IMAGE20210503-29001864.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1084
      • 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\IMAGE20210503-29001864.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:544
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tAoCnmIIogr.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1480
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tAoCnmIIogr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC12D.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:1068
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tAoCnmIIogr.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1752
      • C:\Users\Admin\AppData\Local\Temp\IMAGE20210503-29001864.exe
        "C:\Users\Admin\AppData\Local\Temp\IMAGE20210503-29001864.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1756
    • C:\Windows\SysWOW64\chkdsk.exe
      "C:\Windows\SysWOW64\chkdsk.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1196
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\IMAGE20210503-29001864.exe"
        3⤵
        • Deletes itself
        PID:2000

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

2
T1082

Query Registry

1
T1012

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_1602f747-c1a3-4345-8dec-4dcb8b1f72e5
    MD5

    02ff38ac870de39782aeee04d7b48231

    SHA1

    0390d39fa216c9b0ecdb38238304e518fb2b5095

    SHA256

    fbd66a9baf753db31b8de23f2d51b67f8676687503653103080c45b16f1dc876

    SHA512

    24a1ff76ee42ff7a5ea42843928c4df07b06178f7781cd840e1e086e88735d81506eb67259ff1e6ce5aaa7c5baea03886da265eb7e025ff4dc4c4b5f8cd3e341

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_2b285082-1e4b-4a85-80ae-03e13d373d4b
    MD5

    a70ee38af4bb2b5ed3eeb7cbd1a12fa3

    SHA1

    81dbaeae4b0f9e1adc0a1e3d6d76a12396498ba9

    SHA256

    dd2f41f92f19c3fe031bdf5da68ab06768e26762d0077b290cd0094df1d5d58d

    SHA512

    8c69a5300c7545c5c4b25a0594e6813b6b7a85b5f3ae7fc5464b4074fe6f50b2f49d31cacf19bc20a02bb8e237656f1b9b2a3f6a3953e3a8478ca2adc154e0e3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_2d686436-375c-4ee1-bd4a-9e44ccd248ba
    MD5

    75a8da7754349b38d64c87c938545b1b

    SHA1

    5c28c257d51f1c1587e29164cc03ea880c21b417

    SHA256

    bf08151c174b5d00c9dbc7907b2c6a01b4be76bfa3afce1e8bd98a04ad833c96

    SHA512

    798797bc74c56c874e9a5fdcb0157c04e37a1b3cce285ef064b01bceef8cec45f11a5198918c6c647220b62883606b5e12e3cca3ea369f3a66e69dea6e15f643

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_4375eeb7-a65d-43f1-a616-02c5ad6c5370
    MD5

    be4d72095faf84233ac17b94744f7084

    SHA1

    cc78ce5b9c57573bd214a8f423ee622b00ebb1ec

    SHA256

    b0d72c5c22e57913476ac8fc686a4593f137c6667d5094522c0a0685dabd7adc

    SHA512

    43856e9b1032b8690ceea810c931bed3655e9190414bb220fb6afc136f31b8335e07604dffb28405d4006f266a54cff424c527d29924b1b732c9647a3252b097

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_4be8212d-b7d8-4b1d-b626-cf9df59113b0
    MD5

    d89968acfbd0cd60b51df04860d99896

    SHA1

    b3c29916ccb81ce98f95bbf3aa8a73de16298b29

    SHA256

    1020cc7c929cd5a4e68ccb40353ca76f427df363f0d95e456eb79db039bdb2b9

    SHA512

    b0e886cce598371b59131fed1535e220c798691bad93ef9474ba440066f5a6bd77a60966604b7a5ff6298b2e200c9dd0c8f9f04aff208b2af423480ead4e8842

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_607a2c74-987b-4cc7-9694-4172f5fbc768
    MD5

    7f79b990cb5ed648f9e583fe35527aa7

    SHA1

    71b177b48c8bd745ef02c2affad79ca222da7c33

    SHA256

    080ec69d3f2abac629a0bdc314f150ad42a9a1b0a031b1d5c7b5b80051c48683

    SHA512

    20926edf7f0b990da4bd8d7ba91bd8bf7b952b75080f687afa7197a91777604688303d38b4a0a7240b558c23f2e0cd927d3590765109f8be0551f5eb050eafda

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6fe5bd95-2cea-4aea-9c8c-dd67bac4295b
    MD5

    df44874327d79bd75e4264cb8dc01811

    SHA1

    1396b06debed65ea93c24998d244edebd3c0209d

    SHA256

    55de642c5c9e436ec01c57004dae797022442c3245daf7162d19a5585f221181

    SHA512

    95dc9298b8db059bbe746f67e6a7f8515781c7053cc60c01532e47623a996be7e1bd23d1bd8f5f2045adff27454f44930d503c15b695690088841cedbd2a06c3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b133a9e5-6506-4bac-819e-585fa9c5a83c
    MD5

    354b8209f647a42e2ce36d8cf326cc92

    SHA1

    98c3117f797df69935f8b09fc9e95accfe3d8346

    SHA256

    feae405d288fdd38438f9d9b54f791f3ce3805f1bb88780da5aca402ad372239

    SHA512

    420be869b58e9a7a2c31f2550ac269df832935692a6431d455a10d9b426781e79d91e30ace2c465633b8a7ff2be1bf49734d8b99a390090dc4b36411d4391ff0

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_bc2fe8ee-69c0-48ce-8821-1fab80ab4eeb
    MD5

    597009ea0430a463753e0f5b1d1a249e

    SHA1

    4e38b8bb65ecbd5c9f0d3d8c47f7caba33de6c62

    SHA256

    3fd2a8217a845c43dbc0dc206c28be81d2687aa9ba62019d905aef10cfaec45d

    SHA512

    5d722fa908e64575b2497c60d142e182011a10c6ed33813b3b4796b3147ece1bc96938518b4c8911a1bac3b7560528ebe3e8e754c11015516d335df5d7c6871d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fa12b0a1-3d6a-4bab-a74a-253a75ca0598
    MD5

    5e3c7184a75d42dda1a83606a45001d8

    SHA1

    94ca15637721d88f30eb4b6220b805c5be0360ed

    SHA256

    8278033a65d1ff48be4d86e11f87930d187692f59f8bf2f0a9d170de285afb59

    SHA512

    fae99b6e9b106e0f1c30aa4082b25ae1ad643455c1295c2c16ad534e3e611b9b08492353ffe1af1cfdddc9b2b7c330747a64012c45e62b8f4a4982dcc214e05b

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fd9bf4da-ec38-4847-85c5-d50f35796d4c
    MD5

    a725bb9fafcf91f3c6b7861a2bde6db2

    SHA1

    8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

    SHA256

    51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

    SHA512

    1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fd9bf4da-ec38-4847-85c5-d50f35796d4c
    MD5

    a725bb9fafcf91f3c6b7861a2bde6db2

    SHA1

    8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

    SHA256

    51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

    SHA512

    1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fe80cd26-0cf7-4e38-9884-6dab53b04ca9
    MD5

    b6d38f250ccc9003dd70efd3b778117f

    SHA1

    d5a17c02cac698d4f0a4a9b7d71db2aa19e3f18a

    SHA256

    4de9d7b5ccab7b67ca8efc83084c7ee6e5e872b7216ed4683bc5da950bf41265

    SHA512

    67d8195836b7f280d3f9219fd0f58276342e55d5dfdd8a4c54355030d96685d73f1b2b6da0eb39322ec7c3a1d1c5ef06b52d22646cea30a96f822de1800d31e9

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

    e34c4f4ffd9349774dc5730199762ebd

    SHA1

    4a3f78561c8fb3ee2438d6c773ff83f1542635cd

    SHA256

    851759cacad5bcdf4ef1153a7f13187da4dabc77408b62464e4b886ab3f55fe8

    SHA512

    bf7690960bfed1a70aa460789313e1d53f7bf9aca371ebe0bef6035cde59756c53689e3c79b90dee9c365984e297472d056affccaf4452738a4ae990b4988de0

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

    13359c8b1e6cba0ba22f135d63f8c179

    SHA1

    40a5e6c5d5ec7c97917546fc22defce34848014d

    SHA256

    9f32501dea1eddd2f6c23e867aa108ec3a931a8b2ec2164e716da058c45d8699

    SHA512

    ef579cea1210d9978e6892663840deccf14b77f2ae6a2805ddb8fddf347e8486f06168b567a1d24dc40335d9ad2098a9033f6c4af9d7aa319bbca378352c798e

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

    eb70c46f5cd024bcfde89ab2dadbf666

    SHA1

    ed88586084791aeabb0f11105b095b3b3876144a

    SHA256

    4af20abe7f468e4ab01b31ce8096d9dd4b8e4236cfd4150453307f3d81b2dc89

    SHA512

    00608cb95b557836ea73e71462d314724c3de1f35098966cc05ff488dc8aab44bcf3b0a43e5457b70a813b1a4e32226c66f01ce3ca4006b3f9e089569486ae15

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

    0145a86161a2be43685a2ca96a3a0b91

    SHA1

    b43a946f0ea57a52023396357e8e5399d4f65c59

    SHA256

    843858318985f6e93bc300786030c33f294bab7cfc493f8c1480cbc8d1487fce

    SHA512

    b8cee39fd1381da1acedee843d37101e3a1409caa231c16be95b2bc875986ce556b945ded0b023a323c02eff292ada28c1d26d5fad53573075c90ca12d104cf1

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

    80c117bb32ddb33c0b9988596ecc91a8

    SHA1

    4aa86a38b72ee5a3f49cbbea3be1df3176197ba6

    SHA256

    69e53b3a2adcf046d63da0f205bfa2d72057d91d0139d97492f1c5969d5cdee8

    SHA512

    a5a3549f92ffbf5c929e521eff5c2cef13d7b3bdb8153277ff8e41b37662ccb13ac7a100b89e4d108ac479ceeca0c9b1ce7fd44918a46f541228bb11fe1ad497

  • C:\Users\Admin\AppData\Local\Temp\tmpC12D.tmp
    MD5

    4bb4a0c6b634a4af6dccdae61039f959

    SHA1

    3ad78c2a3408a2c427129fb7aed600f6aa801682

    SHA256

    d71025961686f319944849d48e0cdd067ee2e6d66bddde4af75c413ad09113d5

    SHA512

    8ed4f2100baeada22338619cfa6edc9d3964413ddf5631cf29da9856411f96e67c51de1d58538799538526ba76cab88f05318aa9f6ed28986a78a9e9a60d805f

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

    29dcff7c894fc29baa3231cd8f8c278e

    SHA1

    6c2ff4e7e754c2812ca83fd47e5a2e0b3ec57e31

    SHA256

    396afd315ff106caedbc7a10595ed8a144feffd5ba587ca066389eeffb811245

    SHA512

    a45ef65de4f19ebe0ced6c18e2b511aff59e333bf3692feaca9044b320f891726bd88f24b5fda8838fe6b9db92964ae0fe5dc1498faec451a4a86538da1d1d94

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

    29dcff7c894fc29baa3231cd8f8c278e

    SHA1

    6c2ff4e7e754c2812ca83fd47e5a2e0b3ec57e31

    SHA256

    396afd315ff106caedbc7a10595ed8a144feffd5ba587ca066389eeffb811245

    SHA512

    a45ef65de4f19ebe0ced6c18e2b511aff59e333bf3692feaca9044b320f891726bd88f24b5fda8838fe6b9db92964ae0fe5dc1498faec451a4a86538da1d1d94

  • memory/544-109-0x0000000006220000-0x0000000006221000-memory.dmp
    Filesize

    4KB

  • memory/544-77-0x00000000048B0000-0x00000000048B1000-memory.dmp
    Filesize

    4KB

  • memory/544-66-0x0000000000000000-mapping.dmp
  • memory/544-68-0x00000000752F1000-0x00000000752F3000-memory.dmp
    Filesize

    8KB

  • memory/544-86-0x00000000024D0000-0x00000000024D1000-memory.dmp
    Filesize

    4KB

  • memory/544-73-0x0000000000D90000-0x0000000000D91000-memory.dmp
    Filesize

    4KB

  • memory/544-146-0x0000000006310000-0x0000000006311000-memory.dmp
    Filesize

    4KB

  • memory/544-102-0x0000000005650000-0x0000000005651000-memory.dmp
    Filesize

    4KB

  • memory/544-107-0x0000000006060000-0x0000000006061000-memory.dmp
    Filesize

    4KB

  • memory/544-145-0x0000000006300000-0x0000000006301000-memory.dmp
    Filesize

    4KB

  • memory/544-120-0x00000000061B0000-0x00000000061B1000-memory.dmp
    Filesize

    4KB

  • memory/544-114-0x000000007EF30000-0x000000007EF31000-memory.dmp
    Filesize

    4KB

  • memory/544-80-0x00000000048B2000-0x00000000048B3000-memory.dmp
    Filesize

    4KB

  • memory/544-129-0x0000000005610000-0x0000000005611000-memory.dmp
    Filesize

    4KB

  • memory/1068-70-0x0000000000000000-mapping.dmp
  • memory/1084-60-0x0000000001030000-0x0000000001031000-memory.dmp
    Filesize

    4KB

  • memory/1084-65-0x00000000052F0000-0x0000000005358000-memory.dmp
    Filesize

    416KB

  • memory/1084-62-0x0000000004CA0000-0x0000000004CA1000-memory.dmp
    Filesize

    4KB

  • memory/1084-63-0x00000000003A0000-0x00000000003AE000-memory.dmp
    Filesize

    56KB

  • memory/1084-64-0x0000000005240000-0x00000000052EF000-memory.dmp
    Filesize

    700KB

  • memory/1196-117-0x0000000002120000-0x0000000002423000-memory.dmp
    Filesize

    3.0MB

  • memory/1196-118-0x0000000000D10000-0x0000000000D17000-memory.dmp
    Filesize

    28KB

  • memory/1196-108-0x0000000000000000-mapping.dmp
  • memory/1196-166-0x0000000000AA0000-0x0000000000B33000-memory.dmp
    Filesize

    588KB

  • memory/1196-119-0x0000000000080000-0x00000000000AE000-memory.dmp
    Filesize

    184KB

  • memory/1288-167-0x0000000006F50000-0x000000000704E000-memory.dmp
    Filesize

    1016KB

  • memory/1288-96-0x00000000049A0000-0x0000000004A62000-memory.dmp
    Filesize

    776KB

  • memory/1480-67-0x0000000000000000-mapping.dmp
  • memory/1480-79-0x00000000024A0000-0x00000000030EA000-memory.dmp
    Filesize

    12.3MB

  • memory/1480-78-0x00000000024A0000-0x00000000030EA000-memory.dmp
    Filesize

    12.3MB

  • memory/1480-75-0x00000000046C0000-0x00000000046C1000-memory.dmp
    Filesize

    4KB

  • memory/1480-97-0x0000000005240000-0x0000000005241000-memory.dmp
    Filesize

    4KB

  • memory/1752-92-0x0000000004AE0000-0x0000000004AE1000-memory.dmp
    Filesize

    4KB

  • memory/1752-81-0x0000000000000000-mapping.dmp
  • memory/1752-93-0x0000000004AE2000-0x0000000004AE3000-memory.dmp
    Filesize

    4KB

  • memory/1756-94-0x0000000000930000-0x0000000000C33000-memory.dmp
    Filesize

    3.0MB

  • memory/1756-82-0x0000000000400000-0x000000000042E000-memory.dmp
    Filesize

    184KB

  • memory/1756-83-0x000000000041ECD0-mapping.dmp
  • memory/1756-95-0x0000000000280000-0x0000000000294000-memory.dmp
    Filesize

    80KB

  • memory/2000-121-0x0000000000000000-mapping.dmp