Analysis

  • max time kernel
    161s
  • max time network
    170s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    18-11-2021 14:53

General

  • Target

    4c72e48b856d03386fe5d7f0af228f34.exe

  • Size

    255KB

  • MD5

    4c72e48b856d03386fe5d7f0af228f34

  • SHA1

    6a9b57f02965c7673e41b8605dad98dfa7220cdd

  • SHA256

    364e6eb302ea9226c69d3efc8485f827e61bab6e2ea34fb85c8a87a604e3ed5c

  • SHA512

    4ea405285989cf0b4fec6b492c0bf59f29056e2bf83da60a2b284cdca4191e4d4b64fd72555fad82aeea76e2760ec303f28a488d5ae1cf2c0ec45fc54629c363

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

ddf183af4241e3172885cf1b2c4c1fb4ee03d05a

Attributes
  • url4cnc

    http://91.219.236.27/capibar

    http://5.181.156.92/capibar

    http://91.219.236.207/capibar

    http://185.225.19.18/capibar

    http://91.219.237.227/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

Extracted

Family

redline

C2

185.159.80.90:38637

Extracted

Family

redline

Botnet

Alex

C2

178.238.8.72:49214

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • RedLine

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

  • RedLine Payload 6 IoCs
  • 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 8 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 2 IoCs
  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4c72e48b856d03386fe5d7f0af228f34.exe
    "C:\Users\Admin\AppData\Local\Temp\4c72e48b856d03386fe5d7f0af228f34.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Users\Admin\AppData\Local\Temp\4c72e48b856d03386fe5d7f0af228f34.exe
      "C:\Users\Admin\AppData\Local\Temp\4c72e48b856d03386fe5d7f0af228f34.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1060
  • C:\Users\Admin\AppData\Local\Temp\169C.exe
    C:\Users\Admin\AppData\Local\Temp\169C.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1840
    • C:\Users\Admin\AppData\Local\Temp\169C.exe
      C:\Users\Admin\AppData\Local\Temp\169C.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1556
  • C:\Users\Admin\AppData\Local\Temp\251E.exe
    C:\Users\Admin\AppData\Local\Temp\251E.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Users\Admin\AppData\Local\Temp\251E.exe
      C:\Users\Admin\AppData\Local\Temp\251E.exe
      2⤵
      • Executes dropped EXE
      PID:1272
  • C:\Users\Admin\AppData\Local\Temp\2C60.exe
    C:\Users\Admin\AppData\Local\Temp\2C60.exe
    1⤵
    • Executes dropped EXE
    PID:1492
  • C:\Users\Admin\AppData\Local\Temp\340E.exe
    C:\Users\Admin\AppData\Local\Temp\340E.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    PID:308
  • C:\Users\Admin\AppData\Local\Temp\44B2.exe
    C:\Users\Admin\AppData\Local\Temp\44B2.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:980
  • C:\Users\Admin\AppData\Local\Temp\549B.exe
    C:\Users\Admin\AppData\Local\Temp\549B.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    PID:1712

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\169C.exe
    MD5

    649bf4cc2f084402cebbb0ff1b310c9f

    SHA1

    76ff401d21f44188f506579136de8d7d205558f5

    SHA256

    168b4fd6bf9762ba14225a9ac46f47687c5d8e6c10d15e8af611245d53cbd49f

    SHA512

    000b5454d02caee2667242a73f35b5dbdf4b5fffdf773bae035537a578b525092be228a3a91b3ecc3745293b3add808a739bad5cc16f3a4a8c466066f73c0eae

  • C:\Users\Admin\AppData\Local\Temp\169C.exe
    MD5

    649bf4cc2f084402cebbb0ff1b310c9f

    SHA1

    76ff401d21f44188f506579136de8d7d205558f5

    SHA256

    168b4fd6bf9762ba14225a9ac46f47687c5d8e6c10d15e8af611245d53cbd49f

    SHA512

    000b5454d02caee2667242a73f35b5dbdf4b5fffdf773bae035537a578b525092be228a3a91b3ecc3745293b3add808a739bad5cc16f3a4a8c466066f73c0eae

  • C:\Users\Admin\AppData\Local\Temp\169C.exe
    MD5

    649bf4cc2f084402cebbb0ff1b310c9f

    SHA1

    76ff401d21f44188f506579136de8d7d205558f5

    SHA256

    168b4fd6bf9762ba14225a9ac46f47687c5d8e6c10d15e8af611245d53cbd49f

    SHA512

    000b5454d02caee2667242a73f35b5dbdf4b5fffdf773bae035537a578b525092be228a3a91b3ecc3745293b3add808a739bad5cc16f3a4a8c466066f73c0eae

  • C:\Users\Admin\AppData\Local\Temp\251E.exe
    MD5

    5e34695c9f46f1e69ce731d3b7359c88

    SHA1

    e1e5bb43f0c7556bcccc8cb698f854694bdc024a

    SHA256

    97f96815d81f9c1c8ede31f1c21fda2bee7cbab3490184ef833d9d2e8c17e6fc

    SHA512

    659fa0b695942c35dd4ef499d6c01d9b2a8c23254ea31465a126fd71a0d542ee71da9349ffc8226083393ed37c0668f63c97cc7ef3e014eae793b1f1ba7d6b43

  • C:\Users\Admin\AppData\Local\Temp\251E.exe
    MD5

    5e34695c9f46f1e69ce731d3b7359c88

    SHA1

    e1e5bb43f0c7556bcccc8cb698f854694bdc024a

    SHA256

    97f96815d81f9c1c8ede31f1c21fda2bee7cbab3490184ef833d9d2e8c17e6fc

    SHA512

    659fa0b695942c35dd4ef499d6c01d9b2a8c23254ea31465a126fd71a0d542ee71da9349ffc8226083393ed37c0668f63c97cc7ef3e014eae793b1f1ba7d6b43

  • C:\Users\Admin\AppData\Local\Temp\251E.exe
    MD5

    5e34695c9f46f1e69ce731d3b7359c88

    SHA1

    e1e5bb43f0c7556bcccc8cb698f854694bdc024a

    SHA256

    97f96815d81f9c1c8ede31f1c21fda2bee7cbab3490184ef833d9d2e8c17e6fc

    SHA512

    659fa0b695942c35dd4ef499d6c01d9b2a8c23254ea31465a126fd71a0d542ee71da9349ffc8226083393ed37c0668f63c97cc7ef3e014eae793b1f1ba7d6b43

  • C:\Users\Admin\AppData\Local\Temp\2C60.exe
    MD5

    9733aef1c8ec194a3198ab8e0130b7d4

    SHA1

    cf886d1cbabe2c572edd001c0fa55a13d3e191bd

    SHA256

    fa30571b12211c46fc47639a9d4df6fdeacc8ea6ecffd0a3022f82ffe43d50b1

    SHA512

    49a343a6fc4e4d75f1177ca8d7f65682f853b956a46bb65fa6b22c2a8d5121fd949cfbbb22c44e7fb5631350f97c10ca726260544bcc0b8a706085f9f9f7ff77

  • C:\Users\Admin\AppData\Local\Temp\340E.exe
    MD5

    3f79ca6d82c7aacf18ceed20d8e452fc

    SHA1

    f934df2ccbc2470aacc4b82a1385399b1a5c7aa8

    SHA256

    a32cf739c0a3abeb915bef11aaecd03c13ac1081389a2154139b7de70abb9a73

    SHA512

    d83f33d0770430d698fc91dea3caaf8b10478765fe69c0562a1dc9c3037860c7a39820ebc40a76fb0fdbaa4f77b6272afafc92f709da87bc73cb65f1f811e455

  • C:\Users\Admin\AppData\Local\Temp\44B2.exe
    MD5

    6c0c449942113645b0d136302838f028

    SHA1

    01a8326a28c73848507a251c5f61071490aa46eb

    SHA256

    c325d98c7689964cadb138bf351b863372ee464a350f3d1fc11fe0906c8a1cb4

    SHA512

    b86ac767441d558263643600a9382157cdcbd5e3f1044e111107f1a2d188e8dfbae537334b21ef9d9c0a0076766d66185733a46f76f9b80e716a1e6b5f03af52

  • C:\Users\Admin\AppData\Local\Temp\549B.exe
    MD5

    fccd9abbf0a8935615a5925e5eeef393

    SHA1

    72398d1a783eabf22f573deda7e2600757317af5

    SHA256

    196102f3eacabc8103d5efa4cd30acd10491232f4798c5c6fd03892253e0abc6

    SHA512

    ece1641ccd5a28352383e2fc179f1b98785999f4be5c9f7333935ce3c40d56f89c5479756e67dd92b37d60e30b0279d2da6ab2030e7c2fcc29bb6ff35665784e

  • \Users\Admin\AppData\Local\Temp\169C.exe
    MD5

    649bf4cc2f084402cebbb0ff1b310c9f

    SHA1

    76ff401d21f44188f506579136de8d7d205558f5

    SHA256

    168b4fd6bf9762ba14225a9ac46f47687c5d8e6c10d15e8af611245d53cbd49f

    SHA512

    000b5454d02caee2667242a73f35b5dbdf4b5fffdf773bae035537a578b525092be228a3a91b3ecc3745293b3add808a739bad5cc16f3a4a8c466066f73c0eae

  • \Users\Admin\AppData\Local\Temp\251E.exe
    MD5

    5e34695c9f46f1e69ce731d3b7359c88

    SHA1

    e1e5bb43f0c7556bcccc8cb698f854694bdc024a

    SHA256

    97f96815d81f9c1c8ede31f1c21fda2bee7cbab3490184ef833d9d2e8c17e6fc

    SHA512

    659fa0b695942c35dd4ef499d6c01d9b2a8c23254ea31465a126fd71a0d542ee71da9349ffc8226083393ed37c0668f63c97cc7ef3e014eae793b1f1ba7d6b43

  • memory/308-77-0x0000000000000000-mapping.dmp
  • memory/308-84-0x0000000000AA0000-0x0000000000AA1000-memory.dmp
    Filesize

    4KB

  • memory/308-111-0x0000000005330000-0x0000000005331000-memory.dmp
    Filesize

    4KB

  • memory/980-105-0x0000000003C00000-0x0000000003C2E000-memory.dmp
    Filesize

    184KB

  • memory/980-109-0x00000000063F3000-0x00000000063F4000-memory.dmp
    Filesize

    4KB

  • memory/980-112-0x00000000063F4000-0x00000000063F6000-memory.dmp
    Filesize

    8KB

  • memory/980-107-0x00000000063F1000-0x00000000063F2000-memory.dmp
    Filesize

    4KB

  • memory/980-108-0x00000000063F2000-0x00000000063F3000-memory.dmp
    Filesize

    4KB

  • memory/980-106-0x0000000003C30000-0x0000000003C5C000-memory.dmp
    Filesize

    176KB

  • memory/980-103-0x0000000000400000-0x0000000001FE7000-memory.dmp
    Filesize

    27.9MB

  • memory/980-102-0x0000000000220000-0x0000000000259000-memory.dmp
    Filesize

    228KB

  • memory/980-101-0x00000000021BD000-0x00000000021E9000-memory.dmp
    Filesize

    176KB

  • memory/980-91-0x0000000000000000-mapping.dmp
  • memory/1060-59-0x0000000075F41000-0x0000000075F43000-memory.dmp
    Filesize

    8KB

  • memory/1060-58-0x0000000000402DD8-mapping.dmp
  • memory/1060-57-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/1272-118-0x0000000000418EEA-mapping.dmp
  • memory/1272-113-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1272-116-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1272-114-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1272-117-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1272-115-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1360-88-0x0000000003EE0000-0x0000000003EF6000-memory.dmp
    Filesize

    88KB

  • memory/1360-60-0x00000000025A0000-0x00000000025B6000-memory.dmp
    Filesize

    88KB

  • memory/1492-80-0x000000000286B000-0x00000000028BA000-memory.dmp
    Filesize

    316KB

  • memory/1492-87-0x0000000002660000-0x00000000026EF000-memory.dmp
    Filesize

    572KB

  • memory/1492-73-0x0000000000000000-mapping.dmp
  • memory/1492-90-0x0000000000400000-0x00000000023E7000-memory.dmp
    Filesize

    31.9MB

  • memory/1556-69-0x0000000000402DD8-mapping.dmp
  • memory/1640-55-0x000000000117D000-0x000000000118E000-memory.dmp
    Filesize

    68KB

  • memory/1640-56-0x0000000000220000-0x0000000000229000-memory.dmp
    Filesize

    36KB

  • memory/1704-63-0x0000000000000000-mapping.dmp
  • memory/1704-75-0x0000000000090000-0x0000000000091000-memory.dmp
    Filesize

    4KB

  • memory/1704-89-0x0000000002230000-0x0000000002231000-memory.dmp
    Filesize

    4KB

  • memory/1712-110-0x00000000054F0000-0x00000000054F1000-memory.dmp
    Filesize

    4KB

  • memory/1712-99-0x0000000000DC0000-0x0000000000DC1000-memory.dmp
    Filesize

    4KB

  • memory/1712-93-0x0000000000000000-mapping.dmp
  • memory/1840-65-0x000000000118D000-0x000000000119E000-memory.dmp
    Filesize

    68KB

  • memory/1840-61-0x0000000000000000-mapping.dmp