Analysis

  • max time kernel
    121s
  • max time network
    128s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    05-12-2021 10:54

General

  • Target

    571f12f948ea19e6ed5eec7f3b973344.exe

  • Size

    392KB

  • MD5

    571f12f948ea19e6ed5eec7f3b973344

  • SHA1

    3241f91728f2cae3f372ece53c71307329d93de5

  • SHA256

    efedecf2ac9040b4ba31a44a3c8ae15925e567d7304d8717bd40ece3b7d6a0cc

  • SHA512

    dce066b28be786225e50707fe8c8cac1b755c32e0779331e4f1b7676181c4a5ff2db77770675f0ff224dea2df69c34a3c380aa8f17264af9aeb3e0ef3df471be

Malware Config

Extracted

Family

cryptbot

C2

unic14m.top

unic14e.top

Signatures

  • CryptBot

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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
  • Checks installed software on the system 1 TTPs

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

  • 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\571f12f948ea19e6ed5eec7f3b973344.exe
    "C:\Users\Admin\AppData\Local\Temp\571f12f948ea19e6ed5eec7f3b973344.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2724
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\FVPgXfoZfgRYP & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\571f12f948ea19e6ed5eec7f3b973344.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2712
      • C:\Windows\SysWOW64\timeout.exe
        timeout 4
        3⤵
        • Delays execution with timeout.exe
        PID:312

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\FVPgXfoZfgRYP\PBMRJA~1.ZIP
    MD5

    9a0a219c7dfea17b46c92fc5b5d151ff

    SHA1

    fa75c61e7c078291f705357342e83588c4611b05

    SHA256

    e7341d7615ec8c5cfef491beeb9fa6386a4c50eb364c7a2ca9f49242bf2f2abb

    SHA512

    0b76dbd1271cf84a11de4b2a58357d06db4bbfb90398deda9ec50295cc69f263494ddd79bf67a487b7e186827ccac477774d7185fc435cb3649feab0870e0035

  • C:\Users\Admin\AppData\Local\Temp\FVPgXfoZfgRYP\ZZSCGA~1.ZIP
    MD5

    dfb806159c27732a6462b37fb27e3e70

    SHA1

    363f70ddff56ae83267c5a43e63822da81f463da

    SHA256

    8240a4235e069bb09f3e4ccd0f1189b81956576eb13000a70c845389a473eebf

    SHA512

    bd7e4ddd0b818ae4addb2b553322a8899c752533b3ff37d4d16d7f2734314c5b5caa3aa27ed70618eeec97d2411d98f3f97e27f496d306867b8cc377206f31ae

  • C:\Users\Admin\AppData\Local\Temp\FVPgXfoZfgRYP\_Files\_Chrome\DEFAUL~1.BIN
    MD5

    b963abf9a7967b3a22da64c9193fc932

    SHA1

    0831556392b56c00b07f04deb5474c4202c545e8

    SHA256

    6c0930a55e2b55dc01dbbcf1b43f4ceae3bd4b25bdde062953292427bdcb18f5

    SHA512

    64514a43b52786e09676bec07e15bc7224309c06c0ea5f691933ca3164c57a3e33d748fa8bd4596cf7deb64cbcd1e49ca75be4c22d79789d7ac3b1df45c19af2

  • C:\Users\Admin\AppData\Local\Temp\FVPgXfoZfgRYP\_Files\_Chrome\DEFAUL~1.DB
    MD5

    b608d407fc15adea97c26936bc6f03f6

    SHA1

    953e7420801c76393902c0d6bb56148947e41571

    SHA256

    b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

    SHA512

    cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

  • C:\Users\Admin\AppData\Local\Temp\FVPgXfoZfgRYP\_Files\_Chrome\DEFAUL~2.DB
    MD5

    055c8c5c47424f3c2e7a6fc2ee904032

    SHA1

    5952781d22cff35d94861fac25d89a39af6d0a87

    SHA256

    531b3121bd59938df4933972344d936a67e75d8b1741807a8a51c898d185dd2a

    SHA512

    c2772893695f49cb185add62c35284779b20d45adc01184f1912613fa8b2d70c8e785f0d7cfa3bfaf1d2d58e7cdc74f4304fd973a956601927719d6d370dd57a

  • C:\Users\Admin\AppData\Local\Temp\FVPgXfoZfgRYP\_Files\_Chrome\DEFAUL~3.DB
    MD5

    8ee018331e95a610680a789192a9d362

    SHA1

    e1fba0ac3f3d8689acf6c2ee26afdfd0c8e02df9

    SHA256

    94354ea6703c5ef5fa052aeb1d29715587d80300858ebc063a61c02b7e6e9575

    SHA512

    4b89b5adc77641e497eda7db62a48fee7b4b8dda83bff637cac850645d31deb93aafee5afeb41390e07fd16505a63f418b6cb153a1d35777c483e2d6d3f783b4

  • C:\Users\Admin\AppData\Local\Temp\FVPgXfoZfgRYP\_Files\_Files\FINDGR~1.TXT
    MD5

    cd4a4ea86924117509db155bf6d28bf0

    SHA1

    2eb2893b966c0a2b0162d75a94d4ae7d85bd143e

    SHA256

    6ed6735add919b30f4774fdc1832347e3bfc5640d38392f8d767fe214b7ea74a

    SHA512

    04af23478bb382efc5117e16186354f4ffc2de72a51a1658cd95c0df05cb4000bbfa3b13f9bcd3429acccaa9ec4cfb2296dd110b3fbc686851d2ffddba493b2e

  • C:\Users\Admin\AppData\Local\Temp\FVPgXfoZfgRYP\_Files\_INFOR~1.TXT
    MD5

    bd966054a9eedbd6a02f003e5ae22ccd

    SHA1

    236964c90fbd53bbbdc9c6867e97cadb82b4bb92

    SHA256

    deada5579e8f582b33ea6fa5ee811010f44c82511e26b9dd4f5b7553009b341a

    SHA512

    48d592caaad6aefeb63b988ae03c4a2501f2912e5c446f6456779be89add14c467b53dcaa392bff870e182a79639431e00b8a49ed66263462a5ac676a310aa13

  • C:\Users\Admin\AppData\Local\Temp\FVPgXfoZfgRYP\_Files\_SCREE~1.JPE
    MD5

    3652f1e835c78b30eb5f3d993928bce9

    SHA1

    93672aede4930e0e333e70ef2e9ba88675cf84a7

    SHA256

    bfa2b9fa1abea08974292719c06e587f1f27e3c0e2be151f713d91b2692caa65

    SHA512

    8e3c4d92a2ff9f6823cbfd7a35972e440e8d1e6a96a22f0593f6be5edc8bbf4bd6823333feb14449ea27303c768071ccffa3da36fd97c6ca4ffecf82861d5536

  • C:\Users\Admin\AppData\Local\Temp\FVPgXfoZfgRYP\files_\SCREEN~1.JPG
    MD5

    3652f1e835c78b30eb5f3d993928bce9

    SHA1

    93672aede4930e0e333e70ef2e9ba88675cf84a7

    SHA256

    bfa2b9fa1abea08974292719c06e587f1f27e3c0e2be151f713d91b2692caa65

    SHA512

    8e3c4d92a2ff9f6823cbfd7a35972e440e8d1e6a96a22f0593f6be5edc8bbf4bd6823333feb14449ea27303c768071ccffa3da36fd97c6ca4ffecf82861d5536

  • C:\Users\Admin\AppData\Local\Temp\FVPgXfoZfgRYP\files_\SYSTEM~1.TXT
    MD5

    bd966054a9eedbd6a02f003e5ae22ccd

    SHA1

    236964c90fbd53bbbdc9c6867e97cadb82b4bb92

    SHA256

    deada5579e8f582b33ea6fa5ee811010f44c82511e26b9dd4f5b7553009b341a

    SHA512

    48d592caaad6aefeb63b988ae03c4a2501f2912e5c446f6456779be89add14c467b53dcaa392bff870e182a79639431e00b8a49ed66263462a5ac676a310aa13

  • C:\Users\Admin\AppData\Local\Temp\FVPgXfoZfgRYP\files_\_Chrome\DEFAUL~1.BIN
    MD5

    b963abf9a7967b3a22da64c9193fc932

    SHA1

    0831556392b56c00b07f04deb5474c4202c545e8

    SHA256

    6c0930a55e2b55dc01dbbcf1b43f4ceae3bd4b25bdde062953292427bdcb18f5

    SHA512

    64514a43b52786e09676bec07e15bc7224309c06c0ea5f691933ca3164c57a3e33d748fa8bd4596cf7deb64cbcd1e49ca75be4c22d79789d7ac3b1df45c19af2

  • C:\Users\Admin\AppData\Local\Temp\FVPgXfoZfgRYP\files_\_Chrome\DEFAUL~1.DB
    MD5

    b608d407fc15adea97c26936bc6f03f6

    SHA1

    953e7420801c76393902c0d6bb56148947e41571

    SHA256

    b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

    SHA512

    cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

  • C:\Users\Admin\AppData\Local\Temp\FVPgXfoZfgRYP\files_\_Chrome\DEFAUL~2.DB
    MD5

    055c8c5c47424f3c2e7a6fc2ee904032

    SHA1

    5952781d22cff35d94861fac25d89a39af6d0a87

    SHA256

    531b3121bd59938df4933972344d936a67e75d8b1741807a8a51c898d185dd2a

    SHA512

    c2772893695f49cb185add62c35284779b20d45adc01184f1912613fa8b2d70c8e785f0d7cfa3bfaf1d2d58e7cdc74f4304fd973a956601927719d6d370dd57a

  • C:\Users\Admin\AppData\Local\Temp\FVPgXfoZfgRYP\files_\_Chrome\DEFAUL~3.DB
    MD5

    8ee018331e95a610680a789192a9d362

    SHA1

    e1fba0ac3f3d8689acf6c2ee26afdfd0c8e02df9

    SHA256

    94354ea6703c5ef5fa052aeb1d29715587d80300858ebc063a61c02b7e6e9575

    SHA512

    4b89b5adc77641e497eda7db62a48fee7b4b8dda83bff637cac850645d31deb93aafee5afeb41390e07fd16505a63f418b6cb153a1d35777c483e2d6d3f783b4

  • C:\Users\Admin\AppData\Local\Temp\FVPgXfoZfgRYP\files_\files\FINDGR~1.TXT
    MD5

    cd4a4ea86924117509db155bf6d28bf0

    SHA1

    2eb2893b966c0a2b0162d75a94d4ae7d85bd143e

    SHA256

    6ed6735add919b30f4774fdc1832347e3bfc5640d38392f8d767fe214b7ea74a

    SHA512

    04af23478bb382efc5117e16186354f4ffc2de72a51a1658cd95c0df05cb4000bbfa3b13f9bcd3429acccaa9ec4cfb2296dd110b3fbc686851d2ffddba493b2e

  • memory/312-138-0x0000000000000000-mapping.dmp
  • memory/2712-121-0x0000000000000000-mapping.dmp
  • memory/2724-118-0x00000000006D9000-0x00000000006FF000-memory.dmp
    Filesize

    152KB

  • memory/2724-120-0x0000000000400000-0x0000000000469000-memory.dmp
    Filesize

    420KB

  • memory/2724-119-0x0000000002060000-0x00000000020A7000-memory.dmp
    Filesize

    284KB