Analysis

  • max time kernel
    157s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    12-02-2022 08:34

General

  • Target

    3adaf2bfb411db2b56601739580b8577a11089beffa33df2edbc9369c2e4faa7.exe

  • Size

    8.4MB

  • MD5

    01916ff0453c0730f2a6f4a822840722

  • SHA1

    1616f0667616e90847d0585923ba1af1773371ab

  • SHA256

    3adaf2bfb411db2b56601739580b8577a11089beffa33df2edbc9369c2e4faa7

  • SHA512

    b296150c4cecff1324db41a61ab18b3944a27972abf1f752720efe62f803f56f2d1a4917b96f560e28238dcfc472300749e090a45575a40772af98303226c8a4

Malware Config

Extracted

Family

cryptbot

C2

tisysc64.top

morvak06.top

Signatures

  • CryptBot

    A C++ stealer distributed widely in bundle with other software.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Executes dropped EXE 5 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Checks computer location settings 2 TTPs 1 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.

  • Themida packer 10 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Drops file in Windows directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3adaf2bfb411db2b56601739580b8577a11089beffa33df2edbc9369c2e4faa7.exe
    "C:\Users\Admin\AppData\Local\Temp\3adaf2bfb411db2b56601739580b8577a11089beffa33df2edbc9369c2e4faa7.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Program Files (x86)\affair1\Setup.exe
      "C:\Program Files (x86)\affair1\Setup.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      PID:4732
    • C:\Program Files (x86)\affair1\Setup1.exe
      "C:\Program Files (x86)\affair1\Setup1.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4600
      • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
        "C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"
        3⤵
        • Executes dropped EXE
        • Checks BIOS information in registry
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious behavior: EnumeratesProcesses
        PID:2652
    • C:\Program Files (x86)\affair1\KMSpico.exe
      "C:\Program Files (x86)\affair1\KMSpico.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2452
      • C:\Users\Admin\AppData\Local\Temp\is-EQ18E.tmp\KMSpico.tmp
        "C:\Users\Admin\AppData\Local\Temp\is-EQ18E.tmp\KMSpico.tmp" /SL5="$5002A,2952592,69120,C:\Program Files (x86)\affair1\KMSpico.exe"
        3⤵
        • Executes dropped EXE
        PID:4932
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4716
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:1636

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\affair1\KMSpico.exe
    MD5

    a02164371a50c5ff9fa2870ef6e8cfa3

    SHA1

    060614723f8375ecaad8b249ff07e3be082d7f25

    SHA256

    64c731adbe1b96cb5765203b1e215093dcf268d020b299445884a4ae62ed2d3a

    SHA512

    6c6903f3a3092fd3d63c373189f2c06e12de032ee4fd6b80a15f58eaeb2079f3ae8a8bcdac85a358b1f9070b192b1c8260f9aa127d009b5afce475f966e91326

  • C:\Program Files (x86)\affair1\KMSpico.exe
    MD5

    a02164371a50c5ff9fa2870ef6e8cfa3

    SHA1

    060614723f8375ecaad8b249ff07e3be082d7f25

    SHA256

    64c731adbe1b96cb5765203b1e215093dcf268d020b299445884a4ae62ed2d3a

    SHA512

    6c6903f3a3092fd3d63c373189f2c06e12de032ee4fd6b80a15f58eaeb2079f3ae8a8bcdac85a358b1f9070b192b1c8260f9aa127d009b5afce475f966e91326

  • C:\Program Files (x86)\affair1\Setup.exe
    MD5

    b7c4d84e29ceef241c3fd8cbcaaa6915

    SHA1

    eaea6e4203d921d2e2784f872ce6bb7ce6876764

    SHA256

    05ad9dc479c246795c6cb5a470159c3f90d6d4fb6c37febdc45ddec2fc636c9d

    SHA512

    46cf110a892757c624270441f52938953d572dadab6489eafe25f34c5a4aea83e91d1ea42e4733f99b27a842cc662f523cb46d3605d2fdf369723fa69da1c3fa

  • C:\Program Files (x86)\affair1\Setup.exe
    MD5

    b7c4d84e29ceef241c3fd8cbcaaa6915

    SHA1

    eaea6e4203d921d2e2784f872ce6bb7ce6876764

    SHA256

    05ad9dc479c246795c6cb5a470159c3f90d6d4fb6c37febdc45ddec2fc636c9d

    SHA512

    46cf110a892757c624270441f52938953d572dadab6489eafe25f34c5a4aea83e91d1ea42e4733f99b27a842cc662f523cb46d3605d2fdf369723fa69da1c3fa

  • C:\Program Files (x86)\affair1\Setup1.exe
    MD5

    5471e00dc319a006f9a41cb84c46df04

    SHA1

    a94273294009f89fceda6b263b7c40d18494d4d4

    SHA256

    eb3c5b00bc5347197ae29e42948b225f4871c6ff63856309e0566e546e7cfcb5

    SHA512

    86b8b2da5b376a77282af562ecff82dbb0ae44e8180b8dd2712da087e5cfbc8e106618bc5334569fe94820076876f8d8c1ce214f7c455dc03d47de0707d736fb

  • C:\Program Files (x86)\affair1\Setup1.exe
    MD5

    5471e00dc319a006f9a41cb84c46df04

    SHA1

    a94273294009f89fceda6b263b7c40d18494d4d4

    SHA256

    eb3c5b00bc5347197ae29e42948b225f4871c6ff63856309e0566e546e7cfcb5

    SHA512

    86b8b2da5b376a77282af562ecff82dbb0ae44e8180b8dd2712da087e5cfbc8e106618bc5334569fe94820076876f8d8c1ce214f7c455dc03d47de0707d736fb

  • C:\Users\Admin\AppData\Local\Temp\is-EQ18E.tmp\KMSpico.tmp
    MD5

    1778c1f66ff205875a6435a33229ab3c

    SHA1

    5b6189159b16c6f85feed66834af3e06c0277a19

    SHA256

    95c06acac4fe4598840e5556f9613d43aa1039c52dac64536f59e45a70f79da6

    SHA512

    8844de1296ce707e3c5c71823f5118f8f2e50287ace3a2ee1ec0b69df0ec48ebcf5b755db669d2cd869d345fb06a9c07b36e98eda8c32a9b26b8fe22bdc105a0

  • C:\Users\Admin\AppData\Local\Temp\is-EQ18E.tmp\KMSpico.tmp
    MD5

    1778c1f66ff205875a6435a33229ab3c

    SHA1

    5b6189159b16c6f85feed66834af3e06c0277a19

    SHA256

    95c06acac4fe4598840e5556f9613d43aa1039c52dac64536f59e45a70f79da6

    SHA512

    8844de1296ce707e3c5c71823f5118f8f2e50287ace3a2ee1ec0b69df0ec48ebcf5b755db669d2cd869d345fb06a9c07b36e98eda8c32a9b26b8fe22bdc105a0

  • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
    MD5

    5471e00dc319a006f9a41cb84c46df04

    SHA1

    a94273294009f89fceda6b263b7c40d18494d4d4

    SHA256

    eb3c5b00bc5347197ae29e42948b225f4871c6ff63856309e0566e546e7cfcb5

    SHA512

    86b8b2da5b376a77282af562ecff82dbb0ae44e8180b8dd2712da087e5cfbc8e106618bc5334569fe94820076876f8d8c1ce214f7c455dc03d47de0707d736fb

  • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
    MD5

    5471e00dc319a006f9a41cb84c46df04

    SHA1

    a94273294009f89fceda6b263b7c40d18494d4d4

    SHA256

    eb3c5b00bc5347197ae29e42948b225f4871c6ff63856309e0566e546e7cfcb5

    SHA512

    86b8b2da5b376a77282af562ecff82dbb0ae44e8180b8dd2712da087e5cfbc8e106618bc5334569fe94820076876f8d8c1ce214f7c455dc03d47de0707d736fb

  • memory/2452-136-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

  • memory/2452-141-0x0000000000401000-0x000000000040B000-memory.dmp
    Filesize

    40KB

  • memory/2652-153-0x0000000000EA0000-0x0000000001580000-memory.dmp
    Filesize

    6.9MB

  • memory/2652-152-0x0000000000EA0000-0x0000000001580000-memory.dmp
    Filesize

    6.9MB

  • memory/2652-151-0x0000000000EA0000-0x0000000001580000-memory.dmp
    Filesize

    6.9MB

  • memory/4600-144-0x00000000007D0000-0x0000000000EB0000-memory.dmp
    Filesize

    6.9MB

  • memory/4600-143-0x0000000077814000-0x0000000077816000-memory.dmp
    Filesize

    8KB

  • memory/4600-138-0x00000000007D0000-0x0000000000EB0000-memory.dmp
    Filesize

    6.9MB

  • memory/4600-142-0x00000000007D0000-0x0000000000EB0000-memory.dmp
    Filesize

    6.9MB

  • memory/4716-147-0x0000019812C40000-0x0000019812C50000-memory.dmp
    Filesize

    64KB

  • memory/4716-148-0x0000019815130000-0x0000019815134000-memory.dmp
    Filesize

    16KB

  • memory/4716-146-0x0000019812A20000-0x0000019812A30000-memory.dmp
    Filesize

    64KB

  • memory/4732-154-0x000000000044B000-0x000000000044D000-memory.dmp
    Filesize

    8KB

  • memory/4732-155-0x0000000000CF0000-0x0000000000CF1000-memory.dmp
    Filesize

    4KB

  • memory/4732-156-0x0000000002A50000-0x0000000002A98000-memory.dmp
    Filesize

    288KB

  • memory/4932-145-0x0000000000540000-0x0000000000541000-memory.dmp
    Filesize

    4KB