Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    26-09-2021 01:39

General

  • Target

    00426f4b3edf4a8c0d512222d5257696.exe

  • Size

    146KB

  • MD5

    00426f4b3edf4a8c0d512222d5257696

  • SHA1

    84de454a9c3910e50048d7555c5836271d638216

  • SHA256

    716821b6b210a9c8ae93af80ea648edd2ff944e6221e9900ff805c7df41731c0

  • SHA512

    8649faa52f0235c4e07db005cc451fc2ef29cde922899d739ff409d2c8ed6c18c329cd2f349328333c56e3a2bf0686562cb0098f72089a8e98cc4e3386f5905d

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://naghenrietti1.top/

http://kimballiett2.top/

http://xadriettany3.top/

http://jebeccallis4.top/

http://nityanneron5.top/

http://umayaniela6.top/

http://lynettaram7.top/

http://sadineyalas8.top/

http://geenaldencia9.top/

http://aradysiusep10.top/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

f6d7183c9e82d2a9b81e6c0608450aa66cefb51f

Attributes
  • url4cnc

    https://t.me/justoprostohello

rc4.plain
rc4.plain

Extracted

Family

raccoon

Botnet

5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 6 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 6 IoCs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 18 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\00426f4b3edf4a8c0d512222d5257696.exe
    "C:\Users\Admin\AppData\Local\Temp\00426f4b3edf4a8c0d512222d5257696.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Users\Admin\AppData\Local\Temp\00426f4b3edf4a8c0d512222d5257696.exe
      "C:\Users\Admin\AppData\Local\Temp\00426f4b3edf4a8c0d512222d5257696.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:772
  • C:\Users\Admin\AppData\Local\Temp\D79E.exe
    C:\Users\Admin\AppData\Local\Temp\D79E.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Users\Admin\AppData\Local\Temp\jgEPL904nQ.exe
      "C:\Users\Admin\AppData\Local\Temp\jgEPL904nQ.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2420
      • C:\Windows\SysWOW64\schtasks.exe
        /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe"
        3⤵
        • Creates scheduled task(s)
        PID:2680
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\D79E.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4020
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:3976
  • C:\Users\Admin\AppData\Local\Temp\DC23.exe
    C:\Users\Admin\AppData\Local\Temp\DC23.exe
    1⤵
    • Executes dropped EXE
    PID:2252
  • C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2984
    • C:\Windows\SysWOW64\schtasks.exe
      /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe"
      2⤵
      • Creates scheduled task(s)
      PID:2844
  • C:\Users\Admin\AppData\Roaming\cffaghe
    C:\Users\Admin\AppData\Roaming\cffaghe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Users\Admin\AppData\Roaming\cffaghe
      C:\Users\Admin\AppData\Roaming\cffaghe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1540

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\D79E.exe
    MD5

    6060e81db5d59dd091079fbc044f2ce1

    SHA1

    f5e8fb88273c1098563e99b3255bec516e7eeb19

    SHA256

    603405c0c3b8b1ff41052f7937e10d6bd82852a6e556c41d1d5d2d29bc309335

    SHA512

    bc50c344907cf0be650f9a30a1b41222876469a161a5e44c855d1a2a05d8aa8b8042cf2cef8aa2d403c694449c63f8f1889ea08909be6410663184e4cd67494c

  • C:\Users\Admin\AppData\Local\Temp\D79E.exe
    MD5

    6060e81db5d59dd091079fbc044f2ce1

    SHA1

    f5e8fb88273c1098563e99b3255bec516e7eeb19

    SHA256

    603405c0c3b8b1ff41052f7937e10d6bd82852a6e556c41d1d5d2d29bc309335

    SHA512

    bc50c344907cf0be650f9a30a1b41222876469a161a5e44c855d1a2a05d8aa8b8042cf2cef8aa2d403c694449c63f8f1889ea08909be6410663184e4cd67494c

  • C:\Users\Admin\AppData\Local\Temp\DC23.exe
    MD5

    d454cdca10fb3af83deff9a5b8b9efdd

    SHA1

    4506855eeef9b4aff985f6ff5fedf80d8303bc5e

    SHA256

    f9034746e6d31990b45226493bf1df0526b2bc590c68d968f253691458d03328

    SHA512

    fde22bece55aafb84ed81f765da17b8193e68c2a6dbab5376e98aad33e01794db3810dc888ad009d1cf631e086b1db1288091eb1b33eb46c26f1584ea5bf30cc

  • C:\Users\Admin\AppData\Local\Temp\DC23.exe
    MD5

    d454cdca10fb3af83deff9a5b8b9efdd

    SHA1

    4506855eeef9b4aff985f6ff5fedf80d8303bc5e

    SHA256

    f9034746e6d31990b45226493bf1df0526b2bc590c68d968f253691458d03328

    SHA512

    fde22bece55aafb84ed81f765da17b8193e68c2a6dbab5376e98aad33e01794db3810dc888ad009d1cf631e086b1db1288091eb1b33eb46c26f1584ea5bf30cc

  • C:\Users\Admin\AppData\Local\Temp\jgEPL904nQ.exe
    MD5

    7c1ef2b9857fd3d2813892277086b2ca

    SHA1

    66fdce553852db33c86b8539f497e6ab4f930e87

    SHA256

    253e4e738afb99e9a0ed7e9b92898d653f521b038dba6ea43c5162a23d5388f5

    SHA512

    8c3ee0dee8192f1dc70be5c32117fd5aee24569b4007bb03fdbf95f1db65e6fd0f931b1a531666e0f5d92596740a0fea6559980392d2010880fd4c3f85ea9650

  • C:\Users\Admin\AppData\Local\Temp\jgEPL904nQ.exe
    MD5

    7c1ef2b9857fd3d2813892277086b2ca

    SHA1

    66fdce553852db33c86b8539f497e6ab4f930e87

    SHA256

    253e4e738afb99e9a0ed7e9b92898d653f521b038dba6ea43c5162a23d5388f5

    SHA512

    8c3ee0dee8192f1dc70be5c32117fd5aee24569b4007bb03fdbf95f1db65e6fd0f931b1a531666e0f5d92596740a0fea6559980392d2010880fd4c3f85ea9650

  • C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe
    MD5

    7c1ef2b9857fd3d2813892277086b2ca

    SHA1

    66fdce553852db33c86b8539f497e6ab4f930e87

    SHA256

    253e4e738afb99e9a0ed7e9b92898d653f521b038dba6ea43c5162a23d5388f5

    SHA512

    8c3ee0dee8192f1dc70be5c32117fd5aee24569b4007bb03fdbf95f1db65e6fd0f931b1a531666e0f5d92596740a0fea6559980392d2010880fd4c3f85ea9650

  • C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe
    MD5

    7c1ef2b9857fd3d2813892277086b2ca

    SHA1

    66fdce553852db33c86b8539f497e6ab4f930e87

    SHA256

    253e4e738afb99e9a0ed7e9b92898d653f521b038dba6ea43c5162a23d5388f5

    SHA512

    8c3ee0dee8192f1dc70be5c32117fd5aee24569b4007bb03fdbf95f1db65e6fd0f931b1a531666e0f5d92596740a0fea6559980392d2010880fd4c3f85ea9650

  • C:\Users\Admin\AppData\Roaming\cffaghe
    MD5

    00426f4b3edf4a8c0d512222d5257696

    SHA1

    84de454a9c3910e50048d7555c5836271d638216

    SHA256

    716821b6b210a9c8ae93af80ea648edd2ff944e6221e9900ff805c7df41731c0

    SHA512

    8649faa52f0235c4e07db005cc451fc2ef29cde922899d739ff409d2c8ed6c18c329cd2f349328333c56e3a2bf0686562cb0098f72089a8e98cc4e3386f5905d

  • C:\Users\Admin\AppData\Roaming\cffaghe
    MD5

    00426f4b3edf4a8c0d512222d5257696

    SHA1

    84de454a9c3910e50048d7555c5836271d638216

    SHA256

    716821b6b210a9c8ae93af80ea648edd2ff944e6221e9900ff805c7df41731c0

    SHA512

    8649faa52f0235c4e07db005cc451fc2ef29cde922899d739ff409d2c8ed6c18c329cd2f349328333c56e3a2bf0686562cb0098f72089a8e98cc4e3386f5905d

  • C:\Users\Admin\AppData\Roaming\cffaghe
    MD5

    00426f4b3edf4a8c0d512222d5257696

    SHA1

    84de454a9c3910e50048d7555c5836271d638216

    SHA256

    716821b6b210a9c8ae93af80ea648edd2ff944e6221e9900ff805c7df41731c0

    SHA512

    8649faa52f0235c4e07db005cc451fc2ef29cde922899d739ff409d2c8ed6c18c329cd2f349328333c56e3a2bf0686562cb0098f72089a8e98cc4e3386f5905d

  • \Users\Admin\AppData\LocalLow\sqlite3.dll
    MD5

    f964811b68f9f1487c2b41e1aef576ce

    SHA1

    b423959793f14b1416bc3b7051bed58a1034025f

    SHA256

    83bc57dcf282264f2b00c21ce0339eac20fcb7401f7c5472c0cd0c014844e5f7

    SHA512

    565b1a7291c6fcb63205907fcd9e72fc2e11ca945afc4468c378edba882e2f314c2ac21a7263880ff7d4b84c2a1678024c1ac9971ac1c1de2bfa4248ec0f98c4

  • \Users\Admin\AppData\LocalLow\uS0wV5wY9qH3\freebl3.dll
    MD5

    60acd24430204ad2dc7f148b8cfe9bdc

    SHA1

    989f377b9117d7cb21cbe92a4117f88f9c7693d9

    SHA256

    9876c53134dbbec4dcca67581f53638eba3fea3a15491aa3cf2526b71032da97

    SHA512

    626c36e9567f57fa8ec9c36d96cbadede9c6f6734a7305ecfb9f798952bbacdfa33a1b6c4999ba5b78897dc2ec6f91870f7ec25b2ceacbaee4be942fe881db01

  • \Users\Admin\AppData\LocalLow\uS0wV5wY9qH3\freebl3.dll
    MD5

    60acd24430204ad2dc7f148b8cfe9bdc

    SHA1

    989f377b9117d7cb21cbe92a4117f88f9c7693d9

    SHA256

    9876c53134dbbec4dcca67581f53638eba3fea3a15491aa3cf2526b71032da97

    SHA512

    626c36e9567f57fa8ec9c36d96cbadede9c6f6734a7305ecfb9f798952bbacdfa33a1b6c4999ba5b78897dc2ec6f91870f7ec25b2ceacbaee4be942fe881db01

  • \Users\Admin\AppData\LocalLow\uS0wV5wY9qH3\mozglue.dll
    MD5

    eae9273f8cdcf9321c6c37c244773139

    SHA1

    8378e2a2f3635574c106eea8419b5eb00b8489b0

    SHA256

    a0c6630d4012ae0311ff40f4f06911bcf1a23f7a4762ce219b8dffa012d188cc

    SHA512

    06e43e484a89cea9ba9b9519828d38e7c64b040f44cdaeb321cbda574e7551b11fea139ce3538f387a0a39a3d8c4cba7f4cf03e4a3c98db85f8121c2212a9097

  • \Users\Admin\AppData\LocalLow\uS0wV5wY9qH3\nss3.dll
    MD5

    02cc7b8ee30056d5912de54f1bdfc219

    SHA1

    a6923da95705fb81e368ae48f93d28522ef552fb

    SHA256

    1989526553fd1e1e49b0fea8036822ca062d3d39c4cab4a37846173d0f1753d5

    SHA512

    0d5dfcf4fb19b27246fa799e339d67cd1b494427783f379267fb2d10d615ffb734711bab2c515062c078f990a44a36f2d15859b1dacd4143dcc35b5c0cee0ef5

  • \Users\Admin\AppData\LocalLow\uS0wV5wY9qH3\softokn3.dll
    MD5

    4e8df049f3459fa94ab6ad387f3561ac

    SHA1

    06ed392bc29ad9d5fc05ee254c2625fd65925114

    SHA256

    25a4dae37120426ab060ebb39b7030b3e7c1093cc34b0877f223b6843b651871

    SHA512

    3dd4a86f83465989b2b30c240a7307edd1b92d5c1d5c57d47eff287dc9daa7bace157017908d82e00be90f08ff5badb68019ffc9d881440229dcea5038f61cd6

  • memory/644-116-0x0000000000820000-0x0000000000829000-memory.dmp
    Filesize

    36KB

  • memory/772-114-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/772-115-0x0000000000402FA5-mapping.dmp
  • memory/1528-125-0x0000000000400000-0x00000000004F2000-memory.dmp
    Filesize

    968KB

  • memory/1528-124-0x0000000002140000-0x00000000021D0000-memory.dmp
    Filesize

    576KB

  • memory/1528-118-0x0000000000000000-mapping.dmp
  • memory/1540-148-0x0000000000402FA5-mapping.dmp
  • memory/2252-121-0x0000000000000000-mapping.dmp
  • memory/2252-126-0x0000000002140000-0x00000000021D0000-memory.dmp
    Filesize

    576KB

  • memory/2252-127-0x0000000000400000-0x00000000004F2000-memory.dmp
    Filesize

    968KB

  • memory/2420-141-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/2420-140-0x00000000004B0000-0x000000000055E000-memory.dmp
    Filesize

    696KB

  • memory/2420-134-0x0000000000000000-mapping.dmp
  • memory/2680-139-0x0000000000000000-mapping.dmp
  • memory/2844-146-0x0000000000000000-mapping.dmp
  • memory/2984-151-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/2984-150-0x00000000004B0000-0x00000000005FA000-memory.dmp
    Filesize

    1.3MB

  • memory/3092-117-0x0000000000A00000-0x0000000000A16000-memory.dmp
    Filesize

    88KB

  • memory/3092-152-0x0000000002A70000-0x0000000002A86000-memory.dmp
    Filesize

    88KB

  • memory/3976-138-0x0000000000000000-mapping.dmp
  • memory/4020-137-0x0000000000000000-mapping.dmp