Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    26-09-2021 10:15

General

  • Target

    b0ce4432e309be31158fd005fb98a7c3dc5690dff90e594dbc11f58962358f94.exe

  • Size

    145KB

  • MD5

    afd08300114735501f964bdc7e058558

  • SHA1

    ecfbea95ccd1bc019e7c5e8e7604a68d53e0ec4b

  • SHA256

    b0ce4432e309be31158fd005fb98a7c3dc5690dff90e594dbc11f58962358f94

  • SHA512

    68961a3986ec6bcc92e818720762a2fd82f8fad61ae400d9c2ab2c2733df52d93c2b18e1644cd6e8222b20cdc2747ed8ac66f9e5b4588b3bdc80f652c4a030f1

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

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.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 5 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.

  • Themida packer 4 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI 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 40 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b0ce4432e309be31158fd005fb98a7c3dc5690dff90e594dbc11f58962358f94.exe
    "C:\Users\Admin\AppData\Local\Temp\b0ce4432e309be31158fd005fb98a7c3dc5690dff90e594dbc11f58962358f94.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Users\Admin\AppData\Local\Temp\b0ce4432e309be31158fd005fb98a7c3dc5690dff90e594dbc11f58962358f94.exe
      "C:\Users\Admin\AppData\Local\Temp\b0ce4432e309be31158fd005fb98a7c3dc5690dff90e594dbc11f58962358f94.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1916
  • C:\Users\Admin\AppData\Local\Temp\F7C4.exe
    C:\Users\Admin\AppData\Local\Temp\F7C4.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:2580
  • C:\Users\Admin\AppData\Local\Temp\FF08.exe
    C:\Users\Admin\AppData\Local\Temp\FF08.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:3632
  • C:\Users\Admin\AppData\Local\Temp\32F.exe
    C:\Users\Admin\AppData\Local\Temp\32F.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\32F.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1348
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:1256

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\32F.exe
    MD5

    1c37fe865b25037fbf3c9c74a92b7796

    SHA1

    da80ef8ff679496702bbca7080ca94c06da46265

    SHA256

    59cebfbaecddbcc5ee208ad63b12f9a5ef07f37f1cab6d4ce45c88c25f8a1a6b

    SHA512

    bf8673fcfed1b5a88499f0d9c9f60ca5a1b1f5016365bd628f11520ff24e482a787afd096ae33b58c29072b82537cf5954ffbd11dd05b79c4c7f32a7eed34ffe

  • C:\Users\Admin\AppData\Local\Temp\32F.exe
    MD5

    1c37fe865b25037fbf3c9c74a92b7796

    SHA1

    da80ef8ff679496702bbca7080ca94c06da46265

    SHA256

    59cebfbaecddbcc5ee208ad63b12f9a5ef07f37f1cab6d4ce45c88c25f8a1a6b

    SHA512

    bf8673fcfed1b5a88499f0d9c9f60ca5a1b1f5016365bd628f11520ff24e482a787afd096ae33b58c29072b82537cf5954ffbd11dd05b79c4c7f32a7eed34ffe

  • C:\Users\Admin\AppData\Local\Temp\F7C4.exe
    MD5

    a8f923639f9b10392a12e409a4b65d80

    SHA1

    5dc1b8d6751f37ac2cfa526e35de2bedac479332

    SHA256

    ec9c47685aaf2711429538df1efddeace58992d79f685387778f0a99af4cdbe5

    SHA512

    57a34ad6388e675c69dcce9a5a8761d9d7ec80be3229545b82dfd8bf16f0702ccdf6a51b8316d569f10f8a6e2e9b9e78ee07227b73d356984a10061b63921214

  • C:\Users\Admin\AppData\Local\Temp\FF08.exe
    MD5

    72ebda1e2c91ad8b5b1bfb289ffa77e0

    SHA1

    5410014afec276692910ded77d532775de92e699

    SHA256

    598abf20dbea3d5ea767057ca90aba6ddfd051d1074684b9099b47037af5bb1b

    SHA512

    75c97d3c35c90627dfd52dfdfe2539bdfe297cc0ca04a117aa5df294af8857e4fddf0cae527d2a4bdf12cd4a6666dc3e64f268f1e68f8276dd39950f77357c63

  • \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\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/1256-169-0x0000000000000000-mapping.dmp
  • memory/1348-168-0x0000000000000000-mapping.dmp
  • memory/1708-147-0x0000000000400000-0x00000000004F2000-memory.dmp
    Filesize

    968KB

  • memory/1708-146-0x0000000002140000-0x00000000021D0000-memory.dmp
    Filesize

    576KB

  • memory/1708-141-0x0000000000000000-mapping.dmp
  • memory/1916-115-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/1916-116-0x0000000000402FA5-mapping.dmp
  • memory/1952-117-0x00000000005E0000-0x000000000072A000-memory.dmp
    Filesize

    1.3MB

  • memory/2580-126-0x0000000003290000-0x0000000003291000-memory.dmp
    Filesize

    4KB

  • memory/2580-152-0x0000000006F60000-0x0000000006F61000-memory.dmp
    Filesize

    4KB

  • memory/2580-119-0x0000000000000000-mapping.dmp
  • memory/2580-121-0x00000000774B0000-0x000000007763E000-memory.dmp
    Filesize

    1.6MB

  • memory/2580-123-0x0000000001270000-0x0000000001271000-memory.dmp
    Filesize

    4KB

  • memory/2580-130-0x0000000005600000-0x0000000005601000-memory.dmp
    Filesize

    4KB

  • memory/2580-129-0x0000000005550000-0x0000000005551000-memory.dmp
    Filesize

    4KB

  • memory/2580-128-0x0000000005510000-0x0000000005511000-memory.dmp
    Filesize

    4KB

  • memory/2580-149-0x0000000006C70000-0x0000000006C71000-memory.dmp
    Filesize

    4KB

  • memory/2580-150-0x0000000007370000-0x0000000007371000-memory.dmp
    Filesize

    4KB

  • memory/2580-151-0x0000000006E40000-0x0000000006E41000-memory.dmp
    Filesize

    4KB

  • memory/2580-125-0x0000000005C20000-0x0000000005C21000-memory.dmp
    Filesize

    4KB

  • memory/2580-153-0x0000000007DA0000-0x0000000007DA1000-memory.dmp
    Filesize

    4KB

  • memory/2580-154-0x0000000006F40000-0x0000000006F41000-memory.dmp
    Filesize

    4KB

  • memory/2580-155-0x0000000007200000-0x0000000007201000-memory.dmp
    Filesize

    4KB

  • memory/2580-127-0x0000000005720000-0x0000000005721000-memory.dmp
    Filesize

    4KB

  • memory/2848-118-0x00000000007E0000-0x00000000007F6000-memory.dmp
    Filesize

    88KB

  • memory/3632-140-0x00000000774B0000-0x000000007763E000-memory.dmp
    Filesize

    1.6MB

  • memory/3632-131-0x0000000000000000-mapping.dmp
  • memory/3632-134-0x0000000000C40000-0x0000000000C41000-memory.dmp
    Filesize

    4KB

  • memory/3632-167-0x0000000008250000-0x0000000008251000-memory.dmp
    Filesize

    4KB

  • memory/3632-143-0x0000000001BA0000-0x0000000001BA1000-memory.dmp
    Filesize

    4KB