Analysis

  • max time kernel
    107s
  • max time network
    13s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    22-07-2021 13:01

General

  • Target

    Confirmation of Proforma Invoice payment.exe

  • Size

    772KB

  • MD5

    05faa69a6a3b27e38fd9cf62af7c7912

  • SHA1

    deec4c6629877307a1ff83e45ec51b5cabe9f257

  • SHA256

    dd7c1c609857ba8705a55abc0e35b32837c3b31310eaa4a7d43ee1c585ddfb79

  • SHA512

    08e95de90eff198e7eba9b973be271e7dd9a8ecb467eef6c4595289e68354c94042ac09eea0ac80374a9eb1fe538110c4325a12dea586c1898ad30bed353e6d2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.vistakencana.com.my
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    m33R3bus!

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Confirmation of Proforma Invoice payment.exe
    "C:\Users\Admin\AppData\Local\Temp\Confirmation of Proforma Invoice payment.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:452
    • 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\Confirmation of Proforma Invoice payment.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:524
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yiWgfQdyYJbfTP.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1384
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yiWgfQdyYJbfTP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3B8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1520
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yiWgfQdyYJbfTP.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1720
    • C:\Users\Admin\AppData\Local\Temp\Confirmation of Proforma Invoice payment.exe
      "C:\Users\Admin\AppData\Local\Temp\Confirmation of Proforma Invoice payment.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1608

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

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

1
T1112

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

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_36ffcd0e-9147-450d-92f9-5c161e6f2129
    MD5

    354b8209f647a42e2ce36d8cf326cc92

    SHA1

    98c3117f797df69935f8b09fc9e95accfe3d8346

    SHA256

    feae405d288fdd38438f9d9b54f791f3ce3805f1bb88780da5aca402ad372239

    SHA512

    420be869b58e9a7a2c31f2550ac269df832935692a6431d455a10d9b426781e79d91e30ace2c465633b8a7ff2be1bf49734d8b99a390090dc4b36411d4391ff0

  • 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_4ed22917-1dfd-4e0d-877e-a08c09d42eb3
    MD5

    a70ee38af4bb2b5ed3eeb7cbd1a12fa3

    SHA1

    81dbaeae4b0f9e1adc0a1e3d6d76a12396498ba9

    SHA256

    dd2f41f92f19c3fe031bdf5da68ab06768e26762d0077b290cd0094df1d5d58d

    SHA512

    8c69a5300c7545c5c4b25a0594e6813b6b7a85b5f3ae7fc5464b4074fe6f50b2f49d31cacf19bc20a02bb8e237656f1b9b2a3f6a3953e3a8478ca2adc154e0e3

  • 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_74cd17e2-5394-4cc4-a7ef-fc6ddf209a99
    MD5

    7f79b990cb5ed648f9e583fe35527aa7

    SHA1

    71b177b48c8bd745ef02c2affad79ca222da7c33

    SHA256

    080ec69d3f2abac629a0bdc314f150ad42a9a1b0a031b1d5c7b5b80051c48683

    SHA512

    20926edf7f0b990da4bd8d7ba91bd8bf7b952b75080f687afa7197a91777604688303d38b4a0a7240b558c23f2e0cd927d3590765109f8be0551f5eb050eafda

  • 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

    c79f33e3cab80c83f5d505a61bd8f776

    SHA1

    2b487d61fe31d67428c08a4e2bb9c0e267bc2e94

    SHA256

    bffb6c95bfba828658ad64c1becdd1f9f0d9d7439172926080a44e5134c17633

    SHA512

    9515540c0a18321279792d99e88b8faa47b896be9b3a11b254931e086aacad555ad20a6000083a3ec3456c0157049461b37e65839ddb57aa4f3dab38dec8c9a3

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

    0b7c642bece536f338f49de08da4c463

    SHA1

    00d6414592b30a85fe6a32a6b88ac5e7186f433c

    SHA256

    919b2e1ae72501cec77b415ffc86ee3b5fd1fe220619132b52092fe233eaca96

    SHA512

    4c8c816c13eecd173ef29ce5b635b6bef38646121e3396e81c6bbe02188a5b2a9f85b216dadfde5bca76691af3fd8817c5b34a400d16dbf86aca25d44ce3f71c

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

    7d2a8c77954147d063725edf7ec6f4b2

    SHA1

    8a8263d94a0a8eb7693c6bbca80768b84def150f

    SHA256

    012e3f07a5a8f43d214a2a763d44e550342285e5d9fc5ee62f8fa4004e48362e

    SHA512

    9d1ccf458a081ad4ac4a17d66f0fc04b261ee2d70aa1293e456ee8fdff0006239b66b18ecf9f9f681ed02fe484b151e02785c60b71efb62af99595986ff544b8

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

    9dc76255c447325332900349fb6aecd1

    SHA1

    20d79ec9e43d50e71d9f9a535e6423f2ebd1f7b6

    SHA256

    35be26f41359539483b1dbfc981a19689bd4a32eacaa4416df4e5d74b46bb65f

    SHA512

    b37156d43015ea0e4b876df2ab67a80ce35b7db09d010da16839b3eaa621ebe80ae37eafe4d19c2da97c75b16a0050f59200f5d0ff851136bd97b1b65c4a8e04

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

    818343313125bdb5736ac5826fa29ccb

    SHA1

    e3cb497426296fdebacbb7f25bf97241968840e6

    SHA256

    a5be78173a17967060e3bf08dc6402e9cf5837877be5c734af5c7284966ec0bd

    SHA512

    c01f400c5d4f28916b1322c95ffd524ab104a68327462d1a49483894f255f68ad5a9dcefd03ff96b2352091e08c46ebe5ad58f0cb8c6fdfae648ab662438c9c3

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

    818343313125bdb5736ac5826fa29ccb

    SHA1

    e3cb497426296fdebacbb7f25bf97241968840e6

    SHA256

    a5be78173a17967060e3bf08dc6402e9cf5837877be5c734af5c7284966ec0bd

    SHA512

    c01f400c5d4f28916b1322c95ffd524ab104a68327462d1a49483894f255f68ad5a9dcefd03ff96b2352091e08c46ebe5ad58f0cb8c6fdfae648ab662438c9c3

  • C:\Users\Admin\AppData\Local\Temp\tmp3B8.tmp
    MD5

    7729343dd10fd56b3bdd7c6aeeae70e9

    SHA1

    f193e2f9ce8e1a1e2418517c9fac7d3ccb1e9b41

    SHA256

    7cc80e349ddc69ef45d07f4f319636f785a06a2690d7584551376524545c80f7

    SHA512

    92ecc655c8e9ab95da305c7c48a7347578adf79189c1ed1cbe13e5d18a73360a4150d83fda2b90e7d7c5fcae41558414ba86381389bac0160e3ffb76167503e7

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

    360443933892622549dc928dd2e24dba

    SHA1

    c6ce3ba91703b06f3082e234c9671c773543b1b0

    SHA256

    4eb257b9e04e182ef099c70e4113efa12ea27d773999b3dc755ced9ec85679a1

    SHA512

    7a10ba4b0ace966ae752f5d2274f52f9a201d47827c0c9366be070b6b9f52cfa8a1c6204c7721823323ccfae866311a68c13a9c4eaa94089a85adee9e042187a

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

    360443933892622549dc928dd2e24dba

    SHA1

    c6ce3ba91703b06f3082e234c9671c773543b1b0

    SHA256

    4eb257b9e04e182ef099c70e4113efa12ea27d773999b3dc755ced9ec85679a1

    SHA512

    7a10ba4b0ace966ae752f5d2274f52f9a201d47827c0c9366be070b6b9f52cfa8a1c6204c7721823323ccfae866311a68c13a9c4eaa94089a85adee9e042187a

  • memory/452-60-0x0000000000120000-0x0000000000121000-memory.dmp
    Filesize

    4KB

  • memory/452-66-0x0000000004710000-0x000000000474E000-memory.dmp
    Filesize

    248KB

  • memory/452-65-0x0000000005120000-0x00000000051A3000-memory.dmp
    Filesize

    524KB

  • memory/452-64-0x0000000000380000-0x000000000039B000-memory.dmp
    Filesize

    108KB

  • memory/452-63-0x0000000004A90000-0x0000000004A91000-memory.dmp
    Filesize

    4KB

  • memory/452-62-0x0000000001FB0000-0x000000000206C000-memory.dmp
    Filesize

    752KB

  • memory/524-77-0x0000000004AB0000-0x0000000004AB1000-memory.dmp
    Filesize

    4KB

  • memory/524-78-0x0000000004AB2000-0x0000000004AB3000-memory.dmp
    Filesize

    4KB

  • memory/524-67-0x0000000000000000-mapping.dmp
  • memory/524-68-0x00000000753E1000-0x00000000753E3000-memory.dmp
    Filesize

    8KB

  • memory/524-69-0x0000000000900000-0x0000000000901000-memory.dmp
    Filesize

    4KB

  • memory/524-70-0x0000000004AF0000-0x0000000004AF1000-memory.dmp
    Filesize

    4KB

  • memory/1384-97-0x0000000004A00000-0x0000000004A01000-memory.dmp
    Filesize

    4KB

  • memory/1384-71-0x0000000000000000-mapping.dmp
  • memory/1384-86-0x0000000002670000-0x0000000002671000-memory.dmp
    Filesize

    4KB

  • memory/1384-79-0x0000000004A80000-0x0000000004A81000-memory.dmp
    Filesize

    4KB

  • memory/1384-80-0x0000000004A82000-0x0000000004A83000-memory.dmp
    Filesize

    4KB

  • memory/1520-72-0x0000000000000000-mapping.dmp
  • memory/1608-83-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1608-94-0x0000000004B60000-0x0000000004B61000-memory.dmp
    Filesize

    4KB

  • memory/1608-88-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1608-84-0x00000000004375AE-mapping.dmp
  • memory/1720-121-0x000000007EF30000-0x000000007EF31000-memory.dmp
    Filesize

    4KB

  • memory/1720-128-0x0000000005750000-0x0000000005751000-memory.dmp
    Filesize

    4KB

  • memory/1720-82-0x0000000000000000-mapping.dmp
  • memory/1720-102-0x00000000057E0000-0x00000000057E1000-memory.dmp
    Filesize

    4KB

  • memory/1720-144-0x0000000006440000-0x0000000006441000-memory.dmp
    Filesize

    4KB

  • memory/1720-145-0x0000000006450000-0x0000000006451000-memory.dmp
    Filesize

    4KB

  • memory/1720-95-0x0000000004A10000-0x0000000004A11000-memory.dmp
    Filesize

    4KB

  • memory/1720-96-0x0000000004A12000-0x0000000004A13000-memory.dmp
    Filesize

    4KB

  • memory/1720-115-0x00000000063C0000-0x00000000063C1000-memory.dmp
    Filesize

    4KB

  • memory/1720-108-0x0000000006260000-0x0000000006261000-memory.dmp
    Filesize

    4KB

  • memory/1720-107-0x00000000061C0000-0x00000000061C1000-memory.dmp
    Filesize

    4KB