Analysis

  • max time kernel
    152s
  • max time network
    131s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    18-01-2022 09:07

General

  • Target

    9892f3f1d41d84ed558b9268de41b9a3f252b50c9a4d73c18ce7a9dd6dd78f76.exe

  • Size

    294KB

  • MD5

    54a3dfc84ff3a92eb7f51a2f6b36d25c

  • SHA1

    9c618d3d30ff3a5883983899ac2601784e3324de

  • SHA256

    9892f3f1d41d84ed558b9268de41b9a3f252b50c9a4d73c18ce7a9dd6dd78f76

  • SHA512

    bc8e89ef7bae0c2be1005c5d7fec9a4dd03bb61c6c9f5e8b501f2bd0ed396a2bc66bb00be4ebbff056a38a0b78132617d8149fafb421305a8691572c5113aa94

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Version

1.8.5

Botnet

470193d69fd872b73819c5e70dc68242c10ccbce

Attributes
  • url4cnc

    http://185.163.204.22/capibar

    http://178.62.113.205/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

Extracted

Family

arkei

Botnet

Default

C2

http://file-file-host4.com/tratata.php

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Arkei Stealer Payload 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 8 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 3 IoCs
  • 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.

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

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9892f3f1d41d84ed558b9268de41b9a3f252b50c9a4d73c18ce7a9dd6dd78f76.exe
    "C:\Users\Admin\AppData\Local\Temp\9892f3f1d41d84ed558b9268de41b9a3f252b50c9a4d73c18ce7a9dd6dd78f76.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4028
    • C:\Users\Admin\AppData\Local\Temp\9892f3f1d41d84ed558b9268de41b9a3f252b50c9a4d73c18ce7a9dd6dd78f76.exe
      "C:\Users\Admin\AppData\Local\Temp\9892f3f1d41d84ed558b9268de41b9a3f252b50c9a4d73c18ce7a9dd6dd78f76.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3220
  • C:\Users\Admin\AppData\Local\Temp\64D0.exe
    C:\Users\Admin\AppData\Local\Temp\64D0.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1692
    • C:\Users\Admin\AppData\Local\Temp\64D0.exe
      C:\Users\Admin\AppData\Local\Temp\64D0.exe
      2⤵
      • Executes dropped EXE
      PID:4672
    • C:\Users\Admin\AppData\Local\Temp\64D0.exe
      C:\Users\Admin\AppData\Local\Temp\64D0.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4688
  • C:\Users\Admin\AppData\Local\Temp\C987.exe
    C:\Users\Admin\AppData\Local\Temp\C987.exe
    1⤵
    • Executes dropped EXE
    PID:4332
  • C:\Users\Admin\AppData\Local\Temp\CF25.exe
    C:\Users\Admin\AppData\Local\Temp\CF25.exe
    1⤵
    • Executes dropped EXE
    PID:4432
  • C:\Users\Admin\AppData\Local\Temp\D65A.exe
    C:\Users\Admin\AppData\Local\Temp\D65A.exe
    1⤵
    • Executes dropped EXE
    PID:656
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 656 -s 400
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1508
  • C:\Users\Admin\AppData\Local\Temp\E138.exe
    C:\Users\Admin\AppData\Local\Temp\E138.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:1672
  • C:\Users\Admin\AppData\Local\Temp\E7F0.exe
    C:\Users\Admin\AppData\Local\Temp\E7F0.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2740
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\E7F0.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4204
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 5
        3⤵
        • Delays execution with timeout.exe
        PID:3616

Network

MITRE ATT&CK Matrix ATT&CK v6

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\64D0.exe.log
    MD5

    41fbed686f5700fc29aaccf83e8ba7fd

    SHA1

    5271bc29538f11e42a3b600c8dc727186e912456

    SHA256

    df4e9d012687cdabd15e86bf37be15d6c822e1f50dde530a02468f0006586437

    SHA512

    234b2235c1ced25810a4121c5eabcbf9f269e82c126a1adc363ee34478173f8b462e90eb53f5f11533641663350b90ec1e2360fd805b10c041fab12f4da7a034

  • C:\Users\Admin\AppData\Local\Temp\64D0.exe
    MD5

    29e5d8cbcf13639096bf1353b5f9f48b

    SHA1

    800629d06593b7fb232a2dfd08384c4349f37382

    SHA256

    ba587b88b891dfe4c810be48e336cdae9d474618d9d0a3a0637cd2349cc307e2

    SHA512

    3e394d30c9d50b2ab61b6d9f2942313ec6cee2a4fd873d977bcfe6e62ce05596b62d0993294311da381eb47ad040a41307b192761501a47c8995624288aa5354

  • C:\Users\Admin\AppData\Local\Temp\64D0.exe
    MD5

    29e5d8cbcf13639096bf1353b5f9f48b

    SHA1

    800629d06593b7fb232a2dfd08384c4349f37382

    SHA256

    ba587b88b891dfe4c810be48e336cdae9d474618d9d0a3a0637cd2349cc307e2

    SHA512

    3e394d30c9d50b2ab61b6d9f2942313ec6cee2a4fd873d977bcfe6e62ce05596b62d0993294311da381eb47ad040a41307b192761501a47c8995624288aa5354

  • C:\Users\Admin\AppData\Local\Temp\64D0.exe
    MD5

    29e5d8cbcf13639096bf1353b5f9f48b

    SHA1

    800629d06593b7fb232a2dfd08384c4349f37382

    SHA256

    ba587b88b891dfe4c810be48e336cdae9d474618d9d0a3a0637cd2349cc307e2

    SHA512

    3e394d30c9d50b2ab61b6d9f2942313ec6cee2a4fd873d977bcfe6e62ce05596b62d0993294311da381eb47ad040a41307b192761501a47c8995624288aa5354

  • C:\Users\Admin\AppData\Local\Temp\64D0.exe
    MD5

    29e5d8cbcf13639096bf1353b5f9f48b

    SHA1

    800629d06593b7fb232a2dfd08384c4349f37382

    SHA256

    ba587b88b891dfe4c810be48e336cdae9d474618d9d0a3a0637cd2349cc307e2

    SHA512

    3e394d30c9d50b2ab61b6d9f2942313ec6cee2a4fd873d977bcfe6e62ce05596b62d0993294311da381eb47ad040a41307b192761501a47c8995624288aa5354

  • C:\Users\Admin\AppData\Local\Temp\C987.exe
    MD5

    bdf3b101d4c3bb29b543b42d854f1e9c

    SHA1

    9a2c6ff211c29ba567b15b9fdcf2ed11354ce377

    SHA256

    09269b6f64fcb4394dbfba6c10b0f504c2e2d5c57aa04c42cd2c0c05aee2f9b8

    SHA512

    16e096bce2b50ca0dc132e458ff4fe2a52f116331962515fff859eb7d828774f20a62706704a069f984fccf3692c44a2588408906ef4115a42c726a555c8f9ac

  • C:\Users\Admin\AppData\Local\Temp\C987.exe
    MD5

    bdf3b101d4c3bb29b543b42d854f1e9c

    SHA1

    9a2c6ff211c29ba567b15b9fdcf2ed11354ce377

    SHA256

    09269b6f64fcb4394dbfba6c10b0f504c2e2d5c57aa04c42cd2c0c05aee2f9b8

    SHA512

    16e096bce2b50ca0dc132e458ff4fe2a52f116331962515fff859eb7d828774f20a62706704a069f984fccf3692c44a2588408906ef4115a42c726a555c8f9ac

  • C:\Users\Admin\AppData\Local\Temp\CF25.exe
    MD5

    bdf3b101d4c3bb29b543b42d854f1e9c

    SHA1

    9a2c6ff211c29ba567b15b9fdcf2ed11354ce377

    SHA256

    09269b6f64fcb4394dbfba6c10b0f504c2e2d5c57aa04c42cd2c0c05aee2f9b8

    SHA512

    16e096bce2b50ca0dc132e458ff4fe2a52f116331962515fff859eb7d828774f20a62706704a069f984fccf3692c44a2588408906ef4115a42c726a555c8f9ac

  • C:\Users\Admin\AppData\Local\Temp\CF25.exe
    MD5

    bdf3b101d4c3bb29b543b42d854f1e9c

    SHA1

    9a2c6ff211c29ba567b15b9fdcf2ed11354ce377

    SHA256

    09269b6f64fcb4394dbfba6c10b0f504c2e2d5c57aa04c42cd2c0c05aee2f9b8

    SHA512

    16e096bce2b50ca0dc132e458ff4fe2a52f116331962515fff859eb7d828774f20a62706704a069f984fccf3692c44a2588408906ef4115a42c726a555c8f9ac

  • C:\Users\Admin\AppData\Local\Temp\D65A.exe
    MD5

    6a8895bd886a0af18b5d2f3c262b728f

    SHA1

    43c617c108e1333db60496eabb727654eae91c9c

    SHA256

    3442d1aa475c564e541dff9918122c255d594537e7b34a363d0f8a63d39b2ca6

    SHA512

    99f8d80e0348d5c20936993027c329dbf6f931d1c2fef2071b50b15f6badd1448bf2dc6dec7dc3ccff4bce382942a0fb19b75dedd7ee7a3f1254c35acad75716

  • C:\Users\Admin\AppData\Local\Temp\D65A.exe
    MD5

    6a8895bd886a0af18b5d2f3c262b728f

    SHA1

    43c617c108e1333db60496eabb727654eae91c9c

    SHA256

    3442d1aa475c564e541dff9918122c255d594537e7b34a363d0f8a63d39b2ca6

    SHA512

    99f8d80e0348d5c20936993027c329dbf6f931d1c2fef2071b50b15f6badd1448bf2dc6dec7dc3ccff4bce382942a0fb19b75dedd7ee7a3f1254c35acad75716

  • C:\Users\Admin\AppData\Local\Temp\E138.exe
    MD5

    07861c908ce10d428fbc421b5affa104

    SHA1

    6d94909acc92dd4268387d4e2a757b0f1c3a8a26

    SHA256

    be395c09e64da3651f1a0380af0e4e495c6e4a412bc8e0b7e89de2cd53f8abbc

    SHA512

    e77e6c343436f97277ea801a1afd28287f598236e5e554fba3c1d682c5ee24b7dd71d4e620c9ec6d1998503282109a5322569a436ac796709ba44b2c3fee4459

  • C:\Users\Admin\AppData\Local\Temp\E138.exe
    MD5

    07861c908ce10d428fbc421b5affa104

    SHA1

    6d94909acc92dd4268387d4e2a757b0f1c3a8a26

    SHA256

    be395c09e64da3651f1a0380af0e4e495c6e4a412bc8e0b7e89de2cd53f8abbc

    SHA512

    e77e6c343436f97277ea801a1afd28287f598236e5e554fba3c1d682c5ee24b7dd71d4e620c9ec6d1998503282109a5322569a436ac796709ba44b2c3fee4459

  • C:\Users\Admin\AppData\Local\Temp\E7F0.exe
    MD5

    f6d98c62352cba657593897b4f26da8a

    SHA1

    e146dbc2234d05e226c847bab67ed9d536c76919

    SHA256

    3cd448a8fe389ecc8b9bff4c8736050c994f0545e4b15c11227543aab111fe16

    SHA512

    b05bc6f00b66a421b622610a1919006a7076b7e190af2399f940d327bf51cf8834f43bb657006eddbb1b28a3dba95db83500ab9c3535f2822fe1e2ba3e431b19

  • C:\Users\Admin\AppData\Local\Temp\E7F0.exe
    MD5

    f6d98c62352cba657593897b4f26da8a

    SHA1

    e146dbc2234d05e226c847bab67ed9d536c76919

    SHA256

    3cd448a8fe389ecc8b9bff4c8736050c994f0545e4b15c11227543aab111fe16

    SHA512

    b05bc6f00b66a421b622610a1919006a7076b7e190af2399f940d327bf51cf8834f43bb657006eddbb1b28a3dba95db83500ab9c3535f2822fe1e2ba3e431b19

  • \ProgramData\mozglue.dll
    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • \ProgramData\nss3.dll
    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • \ProgramData\sqlite3.dll
    MD5

    e477a96c8f2b18d6b5c27bde49c990bf

    SHA1

    e980c9bf41330d1e5bd04556db4646a0210f7409

    SHA256

    16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

    SHA512

    335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

  • memory/656-148-0x0000000000AB0000-0x0000000000B10000-memory.dmp
    Filesize

    384KB

  • memory/1672-159-0x0000000074F40000-0x00000000754C4000-memory.dmp
    Filesize

    5.5MB

  • memory/1672-160-0x00000000052C0000-0x0000000005311000-memory.dmp
    Filesize

    324KB

  • memory/1672-156-0x0000000000870000-0x00000000008E3000-memory.dmp
    Filesize

    460KB

  • memory/1672-157-0x0000000072AD0000-0x0000000072B50000-memory.dmp
    Filesize

    512KB

  • memory/1672-155-0x0000000076130000-0x0000000076221000-memory.dmp
    Filesize

    964KB

  • memory/1672-153-0x0000000074D70000-0x0000000074F32000-memory.dmp
    Filesize

    1.8MB

  • memory/1672-173-0x0000000006E90000-0x0000000006EE0000-memory.dmp
    Filesize

    320KB

  • memory/1672-154-0x0000000002900000-0x0000000002944000-memory.dmp
    Filesize

    272KB

  • memory/1672-161-0x00000000768C0000-0x0000000077C08000-memory.dmp
    Filesize

    19.3MB

  • memory/1672-164-0x0000000070D90000-0x0000000070DDB000-memory.dmp
    Filesize

    300KB

  • memory/1672-152-0x0000000000F20000-0x0000000000F21000-memory.dmp
    Filesize

    4KB

  • memory/1672-151-0x0000000000870000-0x00000000008E3000-memory.dmp
    Filesize

    460KB

  • memory/1692-125-0x00000000051E0000-0x0000000005480000-memory.dmp
    Filesize

    2.6MB

  • memory/1692-127-0x0000000005980000-0x0000000005E7E000-memory.dmp
    Filesize

    5.0MB

  • memory/1692-122-0x0000000000A10000-0x0000000000A9A000-memory.dmp
    Filesize

    552KB

  • memory/1692-126-0x0000000005260000-0x000000000527E000-memory.dmp
    Filesize

    120KB

  • memory/1692-124-0x00000000051E0000-0x0000000005480000-memory.dmp
    Filesize

    2.6MB

  • memory/1692-123-0x0000000005280000-0x00000000052F6000-memory.dmp
    Filesize

    472KB

  • memory/2740-166-0x00000000001C0000-0x00000000001D1000-memory.dmp
    Filesize

    68KB

  • memory/2740-167-0x00000000001E0000-0x00000000001FC000-memory.dmp
    Filesize

    112KB

  • memory/2740-168-0x0000000000400000-0x000000000045B000-memory.dmp
    Filesize

    364KB

  • memory/3052-119-0x0000000000960000-0x0000000000976000-memory.dmp
    Filesize

    88KB

  • memory/3220-117-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/3220-118-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/4028-115-0x0000000000030000-0x0000000000038000-memory.dmp
    Filesize

    32KB

  • memory/4028-116-0x00000000001C0000-0x00000000001C9000-memory.dmp
    Filesize

    36KB

  • memory/4332-145-0x0000000000400000-0x0000000000619000-memory.dmp
    Filesize

    2.1MB

  • memory/4332-139-0x00000000009C0000-0x0000000000A29000-memory.dmp
    Filesize

    420KB

  • memory/4332-142-0x00000000022A0000-0x0000000002332000-memory.dmp
    Filesize

    584KB

  • memory/4432-144-0x0000000000400000-0x0000000000619000-memory.dmp
    Filesize

    2.1MB

  • memory/4432-143-0x0000000000870000-0x00000000008D9000-memory.dmp
    Filesize

    420KB

  • memory/4688-136-0x0000000005400000-0x000000000544B000-memory.dmp
    Filesize

    300KB

  • memory/4688-165-0x00000000062D0000-0x0000000006362000-memory.dmp
    Filesize

    584KB

  • memory/4688-158-0x0000000005750000-0x00000000057B6000-memory.dmp
    Filesize

    408KB

  • memory/4688-135-0x00000000053C0000-0x00000000053FE000-memory.dmp
    Filesize

    248KB

  • memory/4688-169-0x0000000006F40000-0x0000000007102000-memory.dmp
    Filesize

    1.8MB

  • memory/4688-170-0x0000000007640000-0x0000000007B6C000-memory.dmp
    Filesize

    5.2MB

  • memory/4688-134-0x0000000005310000-0x0000000005916000-memory.dmp
    Filesize

    6.0MB

  • memory/4688-133-0x0000000005490000-0x000000000559A000-memory.dmp
    Filesize

    1.0MB

  • memory/4688-132-0x0000000005360000-0x0000000005372000-memory.dmp
    Filesize

    72KB

  • memory/4688-131-0x0000000005920000-0x0000000005F26000-memory.dmp
    Filesize

    6.0MB

  • memory/4688-129-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB