Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    16-08-2021 11:09

General

  • Target

    6fe5bd5873aaaeb6ac65b0c36857e51d.exe

  • Size

    181KB

  • MD5

    6fe5bd5873aaaeb6ac65b0c36857e51d

  • SHA1

    0c2ee10d505b91e60bea89fb5bb8ba54768fec1f

  • SHA256

    0192b858039b3182dfd17ce582c9398dc1495566082de0f6a76279585bacf8e5

  • SHA512

    7d02b77b41cfb2923a4444a119c9cb4e97804198e08a3a66dc4562a33f91e9cadb5a41bf4d33ad13a1e5154089d4d104de868ac6711889f6b8921273217412eb

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforjuly1.xyz/

http://readinglistforjuly2.xyz/

http://readinglistforjuly3.xyz/

http://readinglistforjuly4.xyz/

http://readinglistforjuly5.xyz/

http://readinglistforjuly6.xyz/

http://readinglistforjuly7.xyz/

http://readinglistforjuly8.xyz/

http://readinglistforjuly9.xyz/

http://readinglistforjuly10.xyz/

http://readinglistforjuly1.site/

http://readinglistforjuly2.site/

http://readinglistforjuly3.site/

http://readinglistforjuly4.site/

http://readinglistforjuly5.site/

http://readinglistforjuly6.site/

http://readinglistforjuly7.site/

http://readinglistforjuly8.site/

http://readinglistforjuly9.site/

http://readinglistforjuly10.site/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

cd8dc1031358b1aec55cc6bc447df1018b068607

Attributes
  • url4cnc

    https://telete.in/jagressor_kz

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Raccoon Stealer Payload 2 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 3 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 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 32 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 49 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6fe5bd5873aaaeb6ac65b0c36857e51d.exe
    "C:\Users\Admin\AppData\Local\Temp\6fe5bd5873aaaeb6ac65b0c36857e51d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:752
    • C:\Users\Admin\AppData\Local\Temp\6fe5bd5873aaaeb6ac65b0c36857e51d.exe
      "C:\Users\Admin\AppData\Local\Temp\6fe5bd5873aaaeb6ac65b0c36857e51d.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2148
  • C:\Users\Admin\AppData\Local\Temp\275F.exe
    C:\Users\Admin\AppData\Local\Temp\275F.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:3604
  • C:\Users\Admin\AppData\Local\Temp\3105.exe
    C:\Users\Admin\AppData\Local\Temp\3105.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:1936
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 736
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2272
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 752
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3036
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 756
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:188
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 844
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3224
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1188
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2284
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1228
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2240
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1328
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1252
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3508
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1200
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:840
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1324
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1588
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1436
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3988
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1276
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4052
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1348
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1612
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1296
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1496
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1248
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3900
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1244
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1784
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1208
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1492
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1436
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2536
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1332
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1676
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1436
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1260
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1284
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1864
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1112
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2256
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1272
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2316
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1168
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2228
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1232
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1004
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1244
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1896
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1180
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1664
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1168
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:856
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1340
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3128
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1468
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1280
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1180
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1632
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 1492
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3776
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:3524
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:3896
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:2196
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:2576
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:2840
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:2216
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:860
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:352
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:3772

                    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

                    4
                    T1012

                    Virtualization/Sandbox Evasion

                    1
                    T1497

                    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\Temp\275F.exe
                      MD5

                      fa2170ab2dfa330d961cccf8e93c757b

                      SHA1

                      d3fd7ae0be7954a547169e29a44d467f14dfb340

                      SHA256

                      78f4272d2904fd5539aa41955c99968e0971e167a5d9b42389e9a51ab79cf1b0

                      SHA512

                      3880238681560639c153492eaf4a06fc738fed56e6cf3fb64ccd15f47046d04dccae17ff541a5eb32724b7af2a231169dc7c879eea54d2781fbc7429c1bedd4e

                    • C:\Users\Admin\AppData\Local\Temp\275F.exe
                      MD5

                      fa2170ab2dfa330d961cccf8e93c757b

                      SHA1

                      d3fd7ae0be7954a547169e29a44d467f14dfb340

                      SHA256

                      78f4272d2904fd5539aa41955c99968e0971e167a5d9b42389e9a51ab79cf1b0

                      SHA512

                      3880238681560639c153492eaf4a06fc738fed56e6cf3fb64ccd15f47046d04dccae17ff541a5eb32724b7af2a231169dc7c879eea54d2781fbc7429c1bedd4e

                    • C:\Users\Admin\AppData\Local\Temp\3105.exe
                      MD5

                      2ee47cb260a230ec5bdf2aa462d768a0

                      SHA1

                      ffe9d53d277b60bc7e50fc73006459fbc3f42430

                      SHA256

                      de64482ad4cb75780ba049d805ebee7dc559b0611610b6ab2f3071b49d1d5e8f

                      SHA512

                      94807808a1ef30c39de33337883326648d7faebb2752516ae1ba3f7aaa3a44abcc0bf2ee2238e123e8e917aad9935671968bca29d2d4b6cd19d1fc07b7cba88f

                    • C:\Users\Admin\AppData\Local\Temp\3105.exe
                      MD5

                      2ee47cb260a230ec5bdf2aa462d768a0

                      SHA1

                      ffe9d53d277b60bc7e50fc73006459fbc3f42430

                      SHA256

                      de64482ad4cb75780ba049d805ebee7dc559b0611610b6ab2f3071b49d1d5e8f

                      SHA512

                      94807808a1ef30c39de33337883326648d7faebb2752516ae1ba3f7aaa3a44abcc0bf2ee2238e123e8e917aad9935671968bca29d2d4b6cd19d1fc07b7cba88f

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

                      f964811b68f9f1487c2b41e1aef576ce

                      SHA1

                      b423959793f14b1416bc3b7051bed58a1034025f

                      SHA256

                      83bc57dcf282264f2b00c21ce0339eac20fcb7401f7c5472c0cd0c014844e5f7

                      SHA512

                      565b1a7291c6fcb63205907fcd9e72fc2e11ca945afc4468c378edba882e2f314c2ac21a7263880ff7d4b84c2a1678024c1ac9971ac1c1de2bfa4248ec0f98c4

                    • memory/352-156-0x0000000000000000-mapping.dmp
                    • memory/352-158-0x00000000003D0000-0x00000000003D9000-memory.dmp
                      Filesize

                      36KB

                    • memory/352-157-0x00000000003E0000-0x00000000003E5000-memory.dmp
                      Filesize

                      20KB

                    • memory/752-114-0x0000000002CC0000-0x0000000002E0A000-memory.dmp
                      Filesize

                      1.3MB

                    • memory/860-155-0x00000000005D0000-0x00000000005D9000-memory.dmp
                      Filesize

                      36KB

                    • memory/860-154-0x00000000005E0000-0x00000000005E4000-memory.dmp
                      Filesize

                      16KB

                    • memory/860-153-0x0000000000000000-mapping.dmp
                    • memory/1936-146-0x0000000000400000-0x0000000002D05000-memory.dmp
                      Filesize

                      41.0MB

                    • memory/1936-143-0x00000000049D0000-0x0000000004A61000-memory.dmp
                      Filesize

                      580KB

                    • memory/1936-130-0x0000000000000000-mapping.dmp
                    • memory/2148-116-0x0000000000402E1A-mapping.dmp
                    • memory/2148-115-0x0000000000400000-0x0000000000409000-memory.dmp
                      Filesize

                      36KB

                    • memory/2196-141-0x0000000000AF0000-0x0000000000AFB000-memory.dmp
                      Filesize

                      44KB

                    • memory/2196-139-0x0000000000000000-mapping.dmp
                    • memory/2196-140-0x0000000000B00000-0x0000000000B07000-memory.dmp
                      Filesize

                      28KB

                    • memory/2216-152-0x00000000001C0000-0x00000000001CC000-memory.dmp
                      Filesize

                      48KB

                    • memory/2216-151-0x00000000001D0000-0x00000000001D6000-memory.dmp
                      Filesize

                      24KB

                    • memory/2216-150-0x0000000000000000-mapping.dmp
                    • memory/2576-142-0x0000000000000000-mapping.dmp
                    • memory/2576-144-0x0000000000A80000-0x0000000000A89000-memory.dmp
                      Filesize

                      36KB

                    • memory/2576-145-0x00000000007F0000-0x00000000007FF000-memory.dmp
                      Filesize

                      60KB

                    • memory/2716-117-0x0000000000EF0000-0x0000000000F06000-memory.dmp
                      Filesize

                      88KB

                    • memory/2840-148-0x00000000006C0000-0x00000000006C5000-memory.dmp
                      Filesize

                      20KB

                    • memory/2840-149-0x00000000006B0000-0x00000000006B9000-memory.dmp
                      Filesize

                      36KB

                    • memory/2840-147-0x0000000000000000-mapping.dmp
                    • memory/3524-134-0x0000000003740000-0x00000000037B4000-memory.dmp
                      Filesize

                      464KB

                    • memory/3524-133-0x0000000000000000-mapping.dmp
                    • memory/3524-135-0x00000000036D0000-0x000000000373B000-memory.dmp
                      Filesize

                      428KB

                    • memory/3604-127-0x0000000005B50000-0x0000000005B51000-memory.dmp
                      Filesize

                      4KB

                    • memory/3604-164-0x0000000007680000-0x0000000007681000-memory.dmp
                      Filesize

                      4KB

                    • memory/3604-169-0x0000000007630000-0x0000000007631000-memory.dmp
                      Filesize

                      4KB

                    • memory/3604-128-0x0000000005D70000-0x0000000005D71000-memory.dmp
                      Filesize

                      4KB

                    • memory/3604-129-0x0000000005C50000-0x0000000005C51000-memory.dmp
                      Filesize

                      4KB

                    • memory/3604-126-0x0000000005B10000-0x0000000005B11000-memory.dmp
                      Filesize

                      4KB

                    • memory/3604-125-0x0000000005AB0000-0x0000000005AB1000-memory.dmp
                      Filesize

                      4KB

                    • memory/3604-124-0x0000000006270000-0x0000000006271000-memory.dmp
                      Filesize

                      4KB

                    • memory/3604-123-0x0000000077540000-0x00000000776CE000-memory.dmp
                      Filesize

                      1.6MB

                    • memory/3604-121-0x0000000000E60000-0x0000000000E61000-memory.dmp
                      Filesize

                      4KB

                    • memory/3604-118-0x0000000000000000-mapping.dmp
                    • memory/3604-168-0x0000000007590000-0x0000000007591000-memory.dmp
                      Filesize

                      4KB

                    • memory/3604-167-0x0000000007470000-0x0000000007471000-memory.dmp
                      Filesize

                      4KB

                    • memory/3604-166-0x00000000080B0000-0x00000000080B1000-memory.dmp
                      Filesize

                      4KB

                    • memory/3604-165-0x00000000071C0000-0x00000000071C1000-memory.dmp
                      Filesize

                      4KB

                    • memory/3604-163-0x0000000006F80000-0x0000000006F81000-memory.dmp
                      Filesize

                      4KB

                    • memory/3772-162-0x0000000000350000-0x0000000000359000-memory.dmp
                      Filesize

                      36KB

                    • memory/3772-161-0x0000000000360000-0x0000000000365000-memory.dmp
                      Filesize

                      20KB

                    • memory/3772-159-0x0000000000000000-mapping.dmp
                    • memory/3896-137-0x0000000000130000-0x0000000000137000-memory.dmp
                      Filesize

                      28KB

                    • memory/3896-138-0x0000000000120000-0x000000000012C000-memory.dmp
                      Filesize

                      48KB

                    • memory/3896-136-0x0000000000000000-mapping.dmp