Analysis

  • max time kernel
    151s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-10-2022 18:09

General

  • Target

    file.exe

  • Size

    457KB

  • MD5

    9ecafa0a55d800f4293093989b90d595

  • SHA1

    4b7388775266bf7b9edd19ff456f9dcc5a6bcd06

  • SHA256

    914be79c80638787a90cb4d7598ad60a8f39634cb4858489bde36c0e32e235aa

  • SHA512

    d43417b47641d815b99687c3418abb0fad2963f7466eac304d596ac61099f09ba1db3fce3a2b7e15a71f29e27476ef579b9e9200778d277acc470c26bc602b49

  • SSDEEP

    3072:8ahKyd2n31If5HxTQ3fXaPm1cF8o4Y1Z8JP:8ahOOfTQvXaPm1cFrV4J

Malware Config

Extracted

Family

redline

Botnet

Nigh

C2

80.66.87.20:80

Attributes
  • auth_value

    dab8506635d1dc134af4ebaedf4404eb

Signatures

  • Detects Smokeloader packer 3 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Executes dropped EXE 6 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2276
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ANSWER~1.EXE
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ANSWER~1.EXE
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1376
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA0AA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1660
      • C:\Users\Admin\AppData\Local\Temp\Rceqxcitctcydayetuanswerwhat_s.exe
        "C:\Users\Admin\AppData\Local\Temp\Rceqxcitctcydayetuanswerwhat_s.exe"
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3184
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA0AA==
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4548
        • C:\Users\Admin\AppData\Local\Temp\Rceqxcitctcydayetuanswerwhat_s.exe
          C:\Users\Admin\AppData\Local\Temp\Rceqxcitctcydayetuanswerwhat_s.exe
          4⤵
          • Executes dropped EXE
          PID:4036
        • C:\Users\Admin\AppData\Local\Temp\Rceqxcitctcydayetuanswerwhat_s.exe
          C:\Users\Admin\AppData\Local\Temp\Rceqxcitctcydayetuanswerwhat_s.exe
          4⤵
          • Executes dropped EXE
          PID:1756
        • C:\Users\Admin\AppData\Local\Temp\Rceqxcitctcydayetuanswerwhat_s.exe
          C:\Users\Admin\AppData\Local\Temp\Rceqxcitctcydayetuanswerwhat_s.exe
          4⤵
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          PID:3648
      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ANSWER~1.EXE
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ANSWER~1.EXE
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1180

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ANSWER~1.EXE.log
    Filesize

    1KB

    MD5

    e87e48b105757e1c7563d1c719059733

    SHA1

    28a3f2b2e0672da2b531f4757d2b20b53032dafc

    SHA256

    0aaf22dc84cc3fcfe53de7ccfed8e662247dfb7f1a9967032c88790d0c663461

    SHA512

    bf19c5743143aee914a453c41189c722c9b90a5b8bf299cecf3e1f97656d32cd209ecb74da8aebc89bb41c27d189f73aaaabbc64fe383410c95dc76ad4218968

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
    Filesize

    1KB

    MD5

    4280e36a29fa31c01e4d8b2ba726a0d8

    SHA1

    c485c2c9ce0a99747b18d899b71dfa9a64dabe32

    SHA256

    e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359

    SHA512

    494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
    Filesize

    53KB

    MD5

    06ad34f9739c5159b4d92d702545bd49

    SHA1

    9152a0d4f153f3f40f7e606be75f81b582ee0c17

    SHA256

    474813b625f00710f29fa3b488235a6a22201851efb336bddf60d7d24a66bfba

    SHA512

    c272cd28ae164d465b779163ba9eca6a28261376414c6bbdfbd9f2128adb7f7ff1420e536b4d6000d0301ded2ec9036bc5c657588458bff41f176bdce8d74f92

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
    Filesize

    16KB

    MD5

    1745fc08d841be45efd42384c03ba610

    SHA1

    3ea83ac2ff0f48724a00efa74d6364e457eef389

    SHA256

    57fc8a8def442762a680be2889a150d7c04d26f9770f2bdb79e959774cdad7cf

    SHA512

    ae4b5ffb93abd21bd30cfb59a0b0e38cd5b99ebfbcca930d86742054700cc5187ecf9e2911710ffd0f44dacef806d29fa70cb0de4e4132b7576ed5d8698640d6

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ANSWER~1.EXE
    Filesize

    214.6MB

    MD5

    bb8689d9b974d82e1d538277a9e46ea3

    SHA1

    f2b6671113b9f855574369ead9dbbeb6acfdfefe

    SHA256

    4af7c294e7310214795adee79cf35eb1865ef3219f9b35335d19534941c8783d

    SHA512

    d2164c4e798d5cae0fcb2c7d589b12458a011d0ee26fdbb9e3d9995a5c1eba81a41914f06cb800fc00ed6a4befed89b14e7414ee974a6f22919b8ce58edf0304

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ANSWER~1.EXE
    Filesize

    214.6MB

    MD5

    bb8689d9b974d82e1d538277a9e46ea3

    SHA1

    f2b6671113b9f855574369ead9dbbeb6acfdfefe

    SHA256

    4af7c294e7310214795adee79cf35eb1865ef3219f9b35335d19534941c8783d

    SHA512

    d2164c4e798d5cae0fcb2c7d589b12458a011d0ee26fdbb9e3d9995a5c1eba81a41914f06cb800fc00ed6a4befed89b14e7414ee974a6f22919b8ce58edf0304

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ANSWER~1.EXE
    Filesize

    214.6MB

    MD5

    bb8689d9b974d82e1d538277a9e46ea3

    SHA1

    f2b6671113b9f855574369ead9dbbeb6acfdfefe

    SHA256

    4af7c294e7310214795adee79cf35eb1865ef3219f9b35335d19534941c8783d

    SHA512

    d2164c4e798d5cae0fcb2c7d589b12458a011d0ee26fdbb9e3d9995a5c1eba81a41914f06cb800fc00ed6a4befed89b14e7414ee974a6f22919b8ce58edf0304

  • C:\Users\Admin\AppData\Local\Temp\Rceqxcitctcydayetuanswerwhat_s.exe
    Filesize

    6KB

    MD5

    0f6b3e19faa8bf67fa446a0b13066014

    SHA1

    7f7ac141c090c22ff2677381990007efc5df70d9

    SHA256

    4d9d51e9218a1823d9d6498ec093bda67beb78c491459b756fb3501079f65534

    SHA512

    64001280784d504ff6fe58d2f603396f2826ae6da5a4f36e2b460c3d5509bc1a04189f960c6d27d429774ef1c467f00a1859fe7d28180b049de86c32c5211cce

  • C:\Users\Admin\AppData\Local\Temp\Rceqxcitctcydayetuanswerwhat_s.exe
    Filesize

    6KB

    MD5

    0f6b3e19faa8bf67fa446a0b13066014

    SHA1

    7f7ac141c090c22ff2677381990007efc5df70d9

    SHA256

    4d9d51e9218a1823d9d6498ec093bda67beb78c491459b756fb3501079f65534

    SHA512

    64001280784d504ff6fe58d2f603396f2826ae6da5a4f36e2b460c3d5509bc1a04189f960c6d27d429774ef1c467f00a1859fe7d28180b049de86c32c5211cce

  • C:\Users\Admin\AppData\Local\Temp\Rceqxcitctcydayetuanswerwhat_s.exe
    Filesize

    6KB

    MD5

    0f6b3e19faa8bf67fa446a0b13066014

    SHA1

    7f7ac141c090c22ff2677381990007efc5df70d9

    SHA256

    4d9d51e9218a1823d9d6498ec093bda67beb78c491459b756fb3501079f65534

    SHA512

    64001280784d504ff6fe58d2f603396f2826ae6da5a4f36e2b460c3d5509bc1a04189f960c6d27d429774ef1c467f00a1859fe7d28180b049de86c32c5211cce

  • C:\Users\Admin\AppData\Local\Temp\Rceqxcitctcydayetuanswerwhat_s.exe
    Filesize

    6KB

    MD5

    0f6b3e19faa8bf67fa446a0b13066014

    SHA1

    7f7ac141c090c22ff2677381990007efc5df70d9

    SHA256

    4d9d51e9218a1823d9d6498ec093bda67beb78c491459b756fb3501079f65534

    SHA512

    64001280784d504ff6fe58d2f603396f2826ae6da5a4f36e2b460c3d5509bc1a04189f960c6d27d429774ef1c467f00a1859fe7d28180b049de86c32c5211cce

  • C:\Users\Admin\AppData\Local\Temp\Rceqxcitctcydayetuanswerwhat_s.exe
    Filesize

    6KB

    MD5

    0f6b3e19faa8bf67fa446a0b13066014

    SHA1

    7f7ac141c090c22ff2677381990007efc5df70d9

    SHA256

    4d9d51e9218a1823d9d6498ec093bda67beb78c491459b756fb3501079f65534

    SHA512

    64001280784d504ff6fe58d2f603396f2826ae6da5a4f36e2b460c3d5509bc1a04189f960c6d27d429774ef1c467f00a1859fe7d28180b049de86c32c5211cce

  • memory/1180-165-0x00000000072E0000-0x00000000074A2000-memory.dmp
    Filesize

    1.8MB

  • memory/1180-166-0x00000000079E0000-0x0000000007F0C000-memory.dmp
    Filesize

    5.2MB

  • memory/1180-164-0x0000000006A40000-0x0000000006A90000-memory.dmp
    Filesize

    320KB

  • memory/1180-163-0x00000000069C0000-0x0000000006A36000-memory.dmp
    Filesize

    472KB

  • memory/1180-162-0x00000000066C0000-0x0000000006752000-memory.dmp
    Filesize

    584KB

  • memory/1180-149-0x0000000000000000-mapping.dmp
  • memory/1180-161-0x0000000006B60000-0x0000000007104000-memory.dmp
    Filesize

    5.6MB

  • memory/1180-150-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/1180-160-0x0000000005220000-0x000000000525C000-memory.dmp
    Filesize

    240KB

  • memory/1180-159-0x00000000051C0000-0x00000000051D2000-memory.dmp
    Filesize

    72KB

  • memory/1180-158-0x0000000005280000-0x000000000538A000-memory.dmp
    Filesize

    1.0MB

  • memory/1180-157-0x0000000005770000-0x0000000005D88000-memory.dmp
    Filesize

    6.1MB

  • memory/1376-135-0x0000000000F60000-0x0000000000F72000-memory.dmp
    Filesize

    72KB

  • memory/1376-136-0x0000000006530000-0x0000000006552000-memory.dmp
    Filesize

    136KB

  • memory/1376-132-0x0000000000000000-mapping.dmp
  • memory/1660-137-0x0000000000000000-mapping.dmp
  • memory/1660-139-0x0000000005BE0000-0x0000000006208000-memory.dmp
    Filesize

    6.2MB

  • memory/1660-140-0x0000000005A70000-0x0000000005AD6000-memory.dmp
    Filesize

    408KB

  • memory/1660-141-0x0000000006280000-0x00000000062E6000-memory.dmp
    Filesize

    408KB

  • memory/1660-142-0x00000000068A0000-0x00000000068BE000-memory.dmp
    Filesize

    120KB

  • memory/1660-143-0x0000000007F00000-0x000000000857A000-memory.dmp
    Filesize

    6.5MB

  • memory/1660-144-0x0000000006DC0000-0x0000000006DDA000-memory.dmp
    Filesize

    104KB

  • memory/1660-138-0x00000000032C0000-0x00000000032F6000-memory.dmp
    Filesize

    216KB

  • memory/1756-169-0x0000000000000000-mapping.dmp
  • memory/3184-145-0x0000000000000000-mapping.dmp
  • memory/3184-148-0x0000000000730000-0x0000000000738000-memory.dmp
    Filesize

    32KB

  • memory/3648-171-0x0000000000000000-mapping.dmp
  • memory/3648-172-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/3648-174-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/3648-175-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/4036-167-0x0000000000000000-mapping.dmp
  • memory/4548-153-0x0000000000000000-mapping.dmp