Analysis

  • max time kernel
    162s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2022 14:40

General

  • Target

    NEW PURCHASE ORDER EXP0028433 SCAN DOC.exe

  • Size

    1022KB

  • MD5

    bb240dcac9cb0b5082636d9d98f79459

  • SHA1

    2965a18059dc4f5f69d9e48023637ea6984ac595

  • SHA256

    aae20c0fbcbb6a459929a9ebf3a27bb72064df5123db3d8a78b4087c0a0648fc

  • SHA512

    daa42a06b4cbece9e56590f5b0b47f15fd1518ca44b08e1783fcec5d9ae112ba076e1bad6ee3be199577abc77fd3ac263c1e3327a99a471644b1b44b9403b2e0

  • SSDEEP

    24576:+RUr+UZtr4OVMbDmWZyycNj5bj6vpFAtQy4A:BXt9IiykMvpIX

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

BOYS

C2

asyncat.duckdns.org:6565

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    5

  • install

    true

  • install_file

    APE.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers.

  • Async RAT payload 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Suspicious use of SetThreadContext 2 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 3 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 37 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER EXP0028433 SCAN DOC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER EXP0028433 SCAN DOC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2052
    • 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\NEW PURCHASE ORDER EXP0028433 SCAN DOC.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3496
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DcIkTNXwIeBW.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4060
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DcIkTNXwIeBW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp81E2.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4544
    • C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER EXP0028433 SCAN DOC.exe
      "C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER EXP0028433 SCAN DOC.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3232
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "APE" /tr '"C:\Users\Admin\AppData\Roaming\APE.exe"' & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2272
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /f /sc onlogon /rl highest /tn "APE" /tr '"C:\Users\Admin\AppData\Roaming\APE.exe"'
          4⤵
          • Creates scheduled task(s)
          PID:4840
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA548.tmp.bat""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:520
        • C:\Windows\SysWOW64\timeout.exe
          timeout 3
          4⤵
          • Delays execution with timeout.exe
          PID:808
        • C:\Users\Admin\AppData\Roaming\APE.exe
          "C:\Users\Admin\AppData\Roaming\APE.exe"
          4⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2544
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\APE.exe"
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4424
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DcIkTNXwIeBW.exe"
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2896
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DcIkTNXwIeBW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6F3F.tmp"
            5⤵
            • Creates scheduled task(s)
            PID:1212
          • C:\Users\Admin\AppData\Roaming\APE.exe
            "C:\Users\Admin\AppData\Roaming\APE.exe"
            5⤵
            • Executes dropped EXE
            PID:3592
          • C:\Users\Admin\AppData\Roaming\APE.exe
            "C:\Users\Admin\AppData\Roaming\APE.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:1500

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

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NEW PURCHASE ORDER EXP0028433 SCAN DOC.exe.log
    Filesize

    1KB

    MD5

    e08f822522c617a40840c62e4b0fb45e

    SHA1

    ae516dca4da5234be6676d3f234c19ec55725be7

    SHA256

    bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

    SHA512

    894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

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

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

    18KB

    MD5

    27dcbdfd847016c6c4cea035281a4941

    SHA1

    3df23590e972cc07effedec9d969c4ce381d8fa5

    SHA256

    ae16506840d6ae1f9fc8699e0339a937a1be507ff94ecd62edc2802ef9b44295

    SHA512

    92db5111960564107754cc0ecd409aa95d902e32a9e414e10a7b0d69ea0646f6c6383a9bfdc5060d7ba9ce711df3f3213ae7178089a9e0131d9e96de48addc00

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

    18KB

    MD5

    27dcbdfd847016c6c4cea035281a4941

    SHA1

    3df23590e972cc07effedec9d969c4ce381d8fa5

    SHA256

    ae16506840d6ae1f9fc8699e0339a937a1be507ff94ecd62edc2802ef9b44295

    SHA512

    92db5111960564107754cc0ecd409aa95d902e32a9e414e10a7b0d69ea0646f6c6383a9bfdc5060d7ba9ce711df3f3213ae7178089a9e0131d9e96de48addc00

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

    18KB

    MD5

    b52930110578f73ee109b022f7ca7668

    SHA1

    1ccb940a56c96d29b0fad2759de17bc844ad685a

    SHA256

    f71cd8f8ec5e41290fe4bf163b8eafb1e66c6ce45d42a77ca8f8fb90a458b7d2

    SHA512

    26f730298619a4a7e280d5a2380994af65ea77a9417dac7d2760d8129f912b60aec9a24903d2ddf74c005a8af8fc10a6236f84637b1ee73134683288321106be

  • C:\Users\Admin\AppData\Local\Temp\tmp6F3F.tmp
    Filesize

    1KB

    MD5

    74dcbbef9ccb35e230066062ee84d47d

    SHA1

    92df754c582397d2762d6bfd62d542ebbaa2155c

    SHA256

    1f863f052c79d86f04ac2b1a41d1ea625d70ecad2ae484a6c233111b0c613854

    SHA512

    8ac1ab7ebab2bf423eada799e016889d7fee8bb347accb82493f376e18b1af086d9c16604077089090a231e37448a2a114779150eb6c9af18c71e10ef299281a

  • C:\Users\Admin\AppData\Local\Temp\tmp81E2.tmp
    Filesize

    1KB

    MD5

    74dcbbef9ccb35e230066062ee84d47d

    SHA1

    92df754c582397d2762d6bfd62d542ebbaa2155c

    SHA256

    1f863f052c79d86f04ac2b1a41d1ea625d70ecad2ae484a6c233111b0c613854

    SHA512

    8ac1ab7ebab2bf423eada799e016889d7fee8bb347accb82493f376e18b1af086d9c16604077089090a231e37448a2a114779150eb6c9af18c71e10ef299281a

  • C:\Users\Admin\AppData\Local\Temp\tmpA548.tmp.bat
    Filesize

    147B

    MD5

    fded06dec648592be0d035d2e91b1d52

    SHA1

    7df8dd54e936b109cc9315af56426221355e18c3

    SHA256

    0a1198149a4520ab67fb9eb3e1b108260d7547f33c981456242820fa825f8d81

    SHA512

    ec2401fa4c4a61c25ba65827effccfc3c48541cccc7298906612042202f06b87e917b95825edde4c3cf5be49e0eb706b518ceccc48e6a41d928bb40c6c8c0572

  • C:\Users\Admin\AppData\Roaming\APE.exe
    Filesize

    1022KB

    MD5

    bb240dcac9cb0b5082636d9d98f79459

    SHA1

    2965a18059dc4f5f69d9e48023637ea6984ac595

    SHA256

    aae20c0fbcbb6a459929a9ebf3a27bb72064df5123db3d8a78b4087c0a0648fc

    SHA512

    daa42a06b4cbece9e56590f5b0b47f15fd1518ca44b08e1783fcec5d9ae112ba076e1bad6ee3be199577abc77fd3ac263c1e3327a99a471644b1b44b9403b2e0

  • C:\Users\Admin\AppData\Roaming\APE.exe
    Filesize

    1022KB

    MD5

    bb240dcac9cb0b5082636d9d98f79459

    SHA1

    2965a18059dc4f5f69d9e48023637ea6984ac595

    SHA256

    aae20c0fbcbb6a459929a9ebf3a27bb72064df5123db3d8a78b4087c0a0648fc

    SHA512

    daa42a06b4cbece9e56590f5b0b47f15fd1518ca44b08e1783fcec5d9ae112ba076e1bad6ee3be199577abc77fd3ac263c1e3327a99a471644b1b44b9403b2e0

  • C:\Users\Admin\AppData\Roaming\APE.exe
    Filesize

    1022KB

    MD5

    bb240dcac9cb0b5082636d9d98f79459

    SHA1

    2965a18059dc4f5f69d9e48023637ea6984ac595

    SHA256

    aae20c0fbcbb6a459929a9ebf3a27bb72064df5123db3d8a78b4087c0a0648fc

    SHA512

    daa42a06b4cbece9e56590f5b0b47f15fd1518ca44b08e1783fcec5d9ae112ba076e1bad6ee3be199577abc77fd3ac263c1e3327a99a471644b1b44b9403b2e0

  • C:\Users\Admin\AppData\Roaming\APE.exe
    Filesize

    1022KB

    MD5

    bb240dcac9cb0b5082636d9d98f79459

    SHA1

    2965a18059dc4f5f69d9e48023637ea6984ac595

    SHA256

    aae20c0fbcbb6a459929a9ebf3a27bb72064df5123db3d8a78b4087c0a0648fc

    SHA512

    daa42a06b4cbece9e56590f5b0b47f15fd1518ca44b08e1783fcec5d9ae112ba076e1bad6ee3be199577abc77fd3ac263c1e3327a99a471644b1b44b9403b2e0

  • memory/520-157-0x0000000000000000-mapping.dmp
  • memory/808-161-0x0000000000000000-mapping.dmp
  • memory/1212-173-0x0000000000000000-mapping.dmp
  • memory/1500-177-0x0000000000000000-mapping.dmp
  • memory/2052-135-0x0000000004EA0000-0x0000000004EAA000-memory.dmp
    Filesize

    40KB

  • memory/2052-134-0x0000000004D00000-0x0000000004D92000-memory.dmp
    Filesize

    584KB

  • memory/2052-137-0x000000000B160000-0x000000000B1C6000-memory.dmp
    Filesize

    408KB

  • memory/2052-132-0x00000000003A0000-0x00000000004A4000-memory.dmp
    Filesize

    1.0MB

  • memory/2052-136-0x000000000AE50000-0x000000000AEEC000-memory.dmp
    Filesize

    624KB

  • memory/2052-133-0x00000000051F0000-0x0000000005794000-memory.dmp
    Filesize

    5.6MB

  • memory/2272-155-0x0000000000000000-mapping.dmp
  • memory/2544-163-0x0000000000000000-mapping.dmp
  • memory/2896-172-0x0000000000000000-mapping.dmp
  • memory/2896-182-0x000000006F6D0000-0x000000006F71C000-memory.dmp
    Filesize

    304KB

  • memory/3232-145-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/3232-144-0x0000000000000000-mapping.dmp
  • memory/3496-148-0x00000000068B0000-0x00000000068CE000-memory.dmp
    Filesize

    120KB

  • memory/3496-156-0x00000000079A0000-0x00000000079AA000-memory.dmp
    Filesize

    40KB

  • memory/3496-154-0x0000000007930000-0x000000000794A000-memory.dmp
    Filesize

    104KB

  • memory/3496-162-0x0000000007DD0000-0x0000000007E66000-memory.dmp
    Filesize

    600KB

  • memory/3496-138-0x0000000000000000-mapping.dmp
  • memory/3496-141-0x0000000002E80000-0x0000000002EB6000-memory.dmp
    Filesize

    216KB

  • memory/3496-152-0x0000000074E60000-0x0000000074EAC000-memory.dmp
    Filesize

    304KB

  • memory/3496-167-0x0000000007E90000-0x0000000007EAA000-memory.dmp
    Filesize

    104KB

  • memory/3496-149-0x0000000006E30000-0x0000000006E62000-memory.dmp
    Filesize

    200KB

  • memory/3496-146-0x00000000058E0000-0x0000000005902000-memory.dmp
    Filesize

    136KB

  • memory/3592-175-0x0000000000000000-mapping.dmp
  • memory/4060-143-0x0000000005690000-0x0000000005CB8000-memory.dmp
    Filesize

    6.2MB

  • memory/4060-150-0x0000000074E60000-0x0000000074EAC000-memory.dmp
    Filesize

    304KB

  • memory/4060-147-0x0000000005540000-0x00000000055A6000-memory.dmp
    Filesize

    408KB

  • memory/4060-168-0x0000000007BB0000-0x0000000007BB8000-memory.dmp
    Filesize

    32KB

  • memory/4060-166-0x0000000007AC0000-0x0000000007ACE000-memory.dmp
    Filesize

    56KB

  • memory/4060-151-0x0000000006B20000-0x0000000006B3E000-memory.dmp
    Filesize

    120KB

  • memory/4060-139-0x0000000000000000-mapping.dmp
  • memory/4060-153-0x0000000007ED0000-0x000000000854A000-memory.dmp
    Filesize

    6.5MB

  • memory/4424-171-0x0000000000000000-mapping.dmp
  • memory/4424-181-0x000000006F6D0000-0x000000006F71C000-memory.dmp
    Filesize

    304KB

  • memory/4544-140-0x0000000000000000-mapping.dmp
  • memory/4840-159-0x0000000000000000-mapping.dmp