Analysis

  • max time kernel
    145s
  • max time network
    57s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    27-07-2021 16:18

General

  • Target

    PO_DEA83657-ARF-(QR - 0621).exe

  • Size

    943KB

  • MD5

    465925dd7f0d7f41b5fff771e3cb8358

  • SHA1

    a7aa00da7f562e127c66e0c63b13ddde78fc3b08

  • SHA256

    9a5ea80dc3f334116c002ab185a5f54f80c72bcd11fcf5051b0a2e3a7704a3df

  • SHA512

    28c8db63e8706692d8350c1bb90b7f3a9ff37f3e66e5e3f96dfff34b7f0b6915525e156d08313e541086e6c1bac94e1c7d00060c83a0ac31354755290de493e5

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.aetheredbs.com
  • Port:
    587
  • Username:
    purchase1@aetheredbs.com
  • Password:
    AtVywhA4

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 3 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
  • Looks for VMWare Tools registry key 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 9 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO_DEA83657-ARF-(QR - 0621).exe
    "C:\Users\Admin\AppData\Local\Temp\PO_DEA83657-ARF-(QR - 0621).exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1932
    • 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\PO_DEA83657-ARF-(QR - 0621).exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1164
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SEkpoTgSjrLn.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1904
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SEkpoTgSjrLn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp78A9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1636
    • C:\Users\Admin\AppData\Local\Temp\PO_DEA83657-ARF-(QR - 0621).exe
      "C:\Users\Admin\AppData\Local\Temp\PO_DEA83657-ARF-(QR - 0621).exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:864
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SEkpoTgSjrLn.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1564

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

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_2d686436-375c-4ee1-bd4a-9e44ccd248ba
    MD5

    75a8da7754349b38d64c87c938545b1b

    SHA1

    5c28c257d51f1c1587e29164cc03ea880c21b417

    SHA256

    bf08151c174b5d00c9dbc7907b2c6a01b4be76bfa3afce1e8bd98a04ad833c96

    SHA512

    798797bc74c56c874e9a5fdcb0157c04e37a1b3cce285ef064b01bceef8cec45f11a5198918c6c647220b62883606b5e12e3cca3ea369f3a66e69dea6e15f643

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_32fc32c5-47ad-4980-aa13-23dcdcbe78a2
    MD5

    a70ee38af4bb2b5ed3eeb7cbd1a12fa3

    SHA1

    81dbaeae4b0f9e1adc0a1e3d6d76a12396498ba9

    SHA256

    dd2f41f92f19c3fe031bdf5da68ab06768e26762d0077b290cd0094df1d5d58d

    SHA512

    8c69a5300c7545c5c4b25a0594e6813b6b7a85b5f3ae7fc5464b4074fe6f50b2f49d31cacf19bc20a02bb8e237656f1b9b2a3f6a3953e3a8478ca2adc154e0e3

  • 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_5f18b968-1318-4faa-866f-c7cd4ddc0386
    MD5

    d89968acfbd0cd60b51df04860d99896

    SHA1

    b3c29916ccb81ce98f95bbf3aa8a73de16298b29

    SHA256

    1020cc7c929cd5a4e68ccb40353ca76f427df363f0d95e456eb79db039bdb2b9

    SHA512

    b0e886cce598371b59131fed1535e220c798691bad93ef9474ba440066f5a6bd77a60966604b7a5ff6298b2e200c9dd0c8f9f04aff208b2af423480ead4e8842

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6eaa7d9a-d3d8-4f18-952d-9142e53f2b40
    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_a8f139ee-f4f7-4bc9-b185-bc4d187603ca
    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

    70c49ebba1b8caa1740fc34488eb0094

    SHA1

    fa56bb99f6b9778f74ca7c3e85913f9a32ba4522

    SHA256

    1823f0351c18e45e66ed2d9553a8348da7d674521207ab97945b5789c6a5103f

    SHA512

    0f1681a27c9ae4556be6c148639b2693b7298576847a39bab7294554c22d87dd3057262f2acae3b8c6cf4cfcda4babcf18e6d4e2a803ac1831cb87f5544f2d8f

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

    a7c81241c7a8dad0d0991fbaee341763

    SHA1

    cdbf21129c6eeab71103266b34697f7f249a5bd3

    SHA256

    055fc681b000106853f3f3a6d2b22ed33e6557d49e490daf245e21005e4cc1d2

    SHA512

    9c07f1ad5cc094833d229104c9f3c529cc3767937192759d1014551ed4e02ffc656e18eeb80072678cb96f2825c1e6cf9564c5317e30d2ab4f99bb40846afd9b

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

    a7c81241c7a8dad0d0991fbaee341763

    SHA1

    cdbf21129c6eeab71103266b34697f7f249a5bd3

    SHA256

    055fc681b000106853f3f3a6d2b22ed33e6557d49e490daf245e21005e4cc1d2

    SHA512

    9c07f1ad5cc094833d229104c9f3c529cc3767937192759d1014551ed4e02ffc656e18eeb80072678cb96f2825c1e6cf9564c5317e30d2ab4f99bb40846afd9b

  • C:\Users\Admin\AppData\Local\Temp\tmp78A9.tmp
    MD5

    4a498f2ca15108e4f1e74beb113fcee0

    SHA1

    d1a3f9b2372fa9fc1efdb771a85ba3de8262b64a

    SHA256

    2ccba14df7657d8d6bd89b9a2bbe2303c3d857edacb0cb2fe6419a98567f02de

    SHA512

    735e6fc79ae0b53995a9e78f638fdd070bca96467217019353a4dcd748743a74c7093878e1fa13bab71f41cdd9404ee08ccc461aa53f33de6a193d80565ba4a8

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

    843d64d94001383a2a8d419471f8675b

    SHA1

    816816e9096a007cae4d2bf046c2899f7505465a

    SHA256

    e101690594061f1de7361f1d01fba927da7e7f9fc5b2db396feab97fe137ee70

    SHA512

    2d599f11b41178ff37894e06785b644ed30ae2ff8af4cefab056a1cfdb26a1b8421decab4506330b72d84e34362cec92f681256991cee48d403391b430a56e29

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

    843d64d94001383a2a8d419471f8675b

    SHA1

    816816e9096a007cae4d2bf046c2899f7505465a

    SHA256

    e101690594061f1de7361f1d01fba927da7e7f9fc5b2db396feab97fe137ee70

    SHA512

    2d599f11b41178ff37894e06785b644ed30ae2ff8af4cefab056a1cfdb26a1b8421decab4506330b72d84e34362cec92f681256991cee48d403391b430a56e29

  • memory/864-80-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/864-81-0x000000000043789E-mapping.dmp
  • memory/864-82-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/864-147-0x0000000004CB1000-0x0000000004CB2000-memory.dmp
    Filesize

    4KB

  • memory/864-92-0x0000000004CB0000-0x0000000004CB1000-memory.dmp
    Filesize

    4KB

  • memory/1164-100-0x0000000005660000-0x0000000005661000-memory.dmp
    Filesize

    4KB

  • memory/1164-66-0x0000000074FB1000-0x0000000074FB3000-memory.dmp
    Filesize

    8KB

  • memory/1164-95-0x0000000002750000-0x0000000002751000-memory.dmp
    Filesize

    4KB

  • memory/1164-65-0x0000000000000000-mapping.dmp
  • memory/1164-105-0x0000000005700000-0x0000000005701000-memory.dmp
    Filesize

    4KB

  • memory/1164-106-0x00000000061E0000-0x00000000061E1000-memory.dmp
    Filesize

    4KB

  • memory/1164-113-0x0000000005820000-0x0000000005821000-memory.dmp
    Filesize

    4KB

  • memory/1164-136-0x0000000006310000-0x0000000006311000-memory.dmp
    Filesize

    4KB

  • memory/1164-67-0x0000000000AD0000-0x0000000000AD1000-memory.dmp
    Filesize

    4KB

  • memory/1164-68-0x0000000004900000-0x0000000004901000-memory.dmp
    Filesize

    4KB

  • memory/1164-69-0x00000000048C0000-0x00000000048C1000-memory.dmp
    Filesize

    4KB

  • memory/1164-78-0x0000000001110000-0x0000000001111000-memory.dmp
    Filesize

    4KB

  • memory/1164-119-0x000000007EF30000-0x000000007EF31000-memory.dmp
    Filesize

    4KB

  • memory/1164-71-0x00000000048C2000-0x00000000048C3000-memory.dmp
    Filesize

    4KB

  • memory/1164-121-0x0000000005780000-0x0000000005781000-memory.dmp
    Filesize

    4KB

  • memory/1164-137-0x0000000006320000-0x0000000006321000-memory.dmp
    Filesize

    4KB

  • memory/1564-93-0x00000000049A0000-0x00000000049A1000-memory.dmp
    Filesize

    4KB

  • memory/1564-79-0x0000000000000000-mapping.dmp
  • memory/1564-94-0x00000000049A2000-0x00000000049A3000-memory.dmp
    Filesize

    4KB

  • memory/1636-72-0x0000000000000000-mapping.dmp
  • memory/1904-70-0x0000000000000000-mapping.dmp
  • memory/1904-91-0x00000000010F2000-0x00000000010F3000-memory.dmp
    Filesize

    4KB

  • memory/1904-90-0x00000000010F0000-0x00000000010F1000-memory.dmp
    Filesize

    4KB

  • memory/1932-59-0x0000000000810000-0x0000000000811000-memory.dmp
    Filesize

    4KB

  • memory/1932-64-0x0000000002350000-0x000000000238C000-memory.dmp
    Filesize

    240KB

  • memory/1932-63-0x0000000005F40000-0x0000000005FC1000-memory.dmp
    Filesize

    516KB

  • memory/1932-62-0x0000000000760000-0x000000000077B000-memory.dmp
    Filesize

    108KB

  • memory/1932-61-0x0000000004DA0000-0x0000000004DA1000-memory.dmp
    Filesize

    4KB