Analysis

  • max time kernel
    151s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    24-10-2021 03:34

General

  • Target

    b6caee45c87c15b789975b63f5ee6edfb1be6c7ef8c5854c2decdfe501797fc0.exe

  • Size

    334KB

  • MD5

    661a32c0d713d6ee0d478904c088b2d3

  • SHA1

    24875cfbea7f8b45af94e3bb1ba8fb4541b9fa11

  • SHA256

    b6caee45c87c15b789975b63f5ee6edfb1be6c7ef8c5854c2decdfe501797fc0

  • SHA512

    a1809692b3a8eba590357735c4d5c5cf2716af4c52103662326f02951820846b513604eda0902399cb461d8879208ae9cc0a653a9712ccf9cc4e73221449ccbe

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://xacokuo8.top/

http://hajezey1.top/

rc4.i32
rc4.i32

Extracted

Family

amadey

Version

2.70

C2

185.215.113.45/g4MbvE/index.php

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • 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.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 9 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
  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 2 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 4 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 1 IoCs

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

  • Modifies system certificate store 2 TTPs 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b6caee45c87c15b789975b63f5ee6edfb1be6c7ef8c5854c2decdfe501797fc0.exe
    "C:\Users\Admin\AppData\Local\Temp\b6caee45c87c15b789975b63f5ee6edfb1be6c7ef8c5854c2decdfe501797fc0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3048
    • C:\Users\Admin\AppData\Local\Temp\b6caee45c87c15b789975b63f5ee6edfb1be6c7ef8c5854c2decdfe501797fc0.exe
      "C:\Users\Admin\AppData\Local\Temp\b6caee45c87c15b789975b63f5ee6edfb1be6c7ef8c5854c2decdfe501797fc0.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3464
  • C:\Users\Admin\AppData\Local\Temp\396B.exe
    C:\Users\Admin\AppData\Local\Temp\396B.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3316
    • C:\Users\Admin\AppData\Local\Temp\396B.exe
      C:\Users\Admin\AppData\Local\Temp\396B.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1672
  • C:\Users\Admin\AppData\Local\Temp\53E9.exe
    C:\Users\Admin\AppData\Local\Temp\53E9.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2820
    • C:\Users\Admin\AppData\Local\Temp\53E9.exe
      C:\Users\Admin\AppData\Local\Temp\53E9.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:368
  • C:\Users\Admin\AppData\Local\Temp\6705.exe
    C:\Users\Admin\AppData\Local\Temp\6705.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:3128
  • C:\Users\Admin\AppData\Local\Temp\F4FE.exe
    C:\Users\Admin\AppData\Local\Temp\F4FE.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1568
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\F4FE.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2108
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DtwQfNsp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F78.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3060
    • C:\Users\Admin\AppData\Local\Temp\F4FE.exe
      "C:\Users\Admin\AppData\Local\Temp\F4FE.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3560
      • C:\Users\Admin\AppData\Local\Temp\603c0340b4\sqtvvs.exe
        "C:\Users\Admin\AppData\Local\Temp\603c0340b4\sqtvvs.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2164
    • C:\Users\Admin\AppData\Local\Temp\F4FE.exe
      "C:\Users\Admin\AppData\Local\Temp\F4FE.exe"
      2⤵
      • Executes dropped EXE
      PID:3648

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\42B9A473B4DAF01285A36B4D3C7B1662_178C086B699FD6C56B804AF3EF759CB5

    MD5

    e76686fec5c2554e4d517cea97b70ee0

    SHA1

    9a5e81d94c3178afae9d4cabf99b4e5159bfc02c

    SHA256

    4d122af86946dd3f99b7eca4af8151f420db21c627eb6883bac5f12abcdf101b

    SHA512

    61d8cd211e41e73be4d3c7a3966cd2e8e949f11fdd4f3bd4a42b2a476273f1680eb6c7640ecb0cec3e399c25799d150e2631e0ffb6c2b9c6b7c9961d084e7eab

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66AE3BFDF94A732B262342AD2154B86E_CAAD487C6DC014CC76BDDB95FED82CB0

    MD5

    9413c455af38f14ff664bb49b151903c

    SHA1

    9bc0ff597c433f911746eefeb64454e01e1cab50

    SHA256

    95a28fa5a61fd0dbd19799b2ea321bc9a90b56e0a1abe2020e0bbb50339b77c3

    SHA512

    dfcce638b4a8ea8c4c0ea7d69642673df44f18b1fe9c946b9c2e68b04a86243848590b4a444294109467f9e3f0ae71f417c7588592f022093ce441b7cf5c3878

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\42B9A473B4DAF01285A36B4D3C7B1662_178C086B699FD6C56B804AF3EF759CB5

    MD5

    fdd4e0f3a979f5fa84703bd64d694787

    SHA1

    d1613a4599ed560c31e60d66fa1ccf48021472f9

    SHA256

    945996d7680bbbba90dad8a8dc3f30f02e3c8e17a986473ea641506ae1f497df

    SHA512

    f7829331b5ac41a5e10d3a4320fc720d9a5247ca077b49d3f61fbec1a5fabd96d3eca3869120055962e869716ecbed34854140638bb27bb377744dfeecc3546f

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66AE3BFDF94A732B262342AD2154B86E_CAAD487C6DC014CC76BDDB95FED82CB0

    MD5

    28e28b7b505ebe0fdbc9215ea03b2d69

    SHA1

    8a8486fba6de2d5be6c6ffb9062241293a834d69

    SHA256

    260b9e86d39827dd5644a1128277e611c58f0635acf6231723470039cbbf3765

    SHA512

    bf61b843279731d2625d5746c21ef7e0581467d4d27647ccc9c812b5583855c1e81075620dd836f9c8f2883062bc7af0f0ee1163d9224c6629b1b64e24568de3

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\53E9.exe.log

    MD5

    605f809fab8c19729d39d075f7ffdb53

    SHA1

    c546f877c9bd53563174a90312a8337fdfc5fdd9

    SHA256

    6904d540649e76c55f99530b81be17e099184bb4cad415aa9b9b39cc3677f556

    SHA512

    82cc12c3186ae23884b8d5c104638c8206272c4389ade56b926dfc1d437b03888159b3c790b188b54d277a262e731927e703e680ea642e1417faee27443fd5b3

  • C:\Users\Admin\AppData\Local\Temp\396B.exe

    MD5

    661a32c0d713d6ee0d478904c088b2d3

    SHA1

    24875cfbea7f8b45af94e3bb1ba8fb4541b9fa11

    SHA256

    b6caee45c87c15b789975b63f5ee6edfb1be6c7ef8c5854c2decdfe501797fc0

    SHA512

    a1809692b3a8eba590357735c4d5c5cf2716af4c52103662326f02951820846b513604eda0902399cb461d8879208ae9cc0a653a9712ccf9cc4e73221449ccbe

  • C:\Users\Admin\AppData\Local\Temp\396B.exe

    MD5

    661a32c0d713d6ee0d478904c088b2d3

    SHA1

    24875cfbea7f8b45af94e3bb1ba8fb4541b9fa11

    SHA256

    b6caee45c87c15b789975b63f5ee6edfb1be6c7ef8c5854c2decdfe501797fc0

    SHA512

    a1809692b3a8eba590357735c4d5c5cf2716af4c52103662326f02951820846b513604eda0902399cb461d8879208ae9cc0a653a9712ccf9cc4e73221449ccbe

  • C:\Users\Admin\AppData\Local\Temp\396B.exe

    MD5

    661a32c0d713d6ee0d478904c088b2d3

    SHA1

    24875cfbea7f8b45af94e3bb1ba8fb4541b9fa11

    SHA256

    b6caee45c87c15b789975b63f5ee6edfb1be6c7ef8c5854c2decdfe501797fc0

    SHA512

    a1809692b3a8eba590357735c4d5c5cf2716af4c52103662326f02951820846b513604eda0902399cb461d8879208ae9cc0a653a9712ccf9cc4e73221449ccbe

  • C:\Users\Admin\AppData\Local\Temp\53E9.exe

    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • C:\Users\Admin\AppData\Local\Temp\53E9.exe

    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • C:\Users\Admin\AppData\Local\Temp\53E9.exe

    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • C:\Users\Admin\AppData\Local\Temp\603c0340b4\sqtvvs.exe

    MD5

    89064b763c28aee6acd46af84406077e

    SHA1

    82c03a9a0e097c3eda89fb34615837c1bc2f7415

    SHA256

    21eecb27d5ecd7bbe138753c81feae747adc5d3aa6ee265dd153905ed03fcfb9

    SHA512

    5554f98e2b9cdf01b9243366e9782c93174cfd25fbaecd93090c815d2a3974e5ce38a7a80691dc55f7629cb4717cade94d452dc316da40ed3caf069c025a8d32

  • C:\Users\Admin\AppData\Local\Temp\603c0340b4\sqtvvs.exe

    MD5

    89064b763c28aee6acd46af84406077e

    SHA1

    82c03a9a0e097c3eda89fb34615837c1bc2f7415

    SHA256

    21eecb27d5ecd7bbe138753c81feae747adc5d3aa6ee265dd153905ed03fcfb9

    SHA512

    5554f98e2b9cdf01b9243366e9782c93174cfd25fbaecd93090c815d2a3974e5ce38a7a80691dc55f7629cb4717cade94d452dc316da40ed3caf069c025a8d32

  • C:\Users\Admin\AppData\Local\Temp\6705.exe

    MD5

    d0c332dd942a7b680063c4eca607f2c4

    SHA1

    d57b7c95c258c968e7e2f5cd39bf52928cd587fd

    SHA256

    756f3dc3ceb0db783e3f1cabd10ee6a3af4688147adde714cdea6f226e5f0024

    SHA512

    70abbdaedfbc7ff4fb06ccd619ad812cb2731e7448d5055a414a609d048fc95067594e2ee74f35284d671b8d618d1914232e20d5cc7d862726a3138c4ec61019

  • C:\Users\Admin\AppData\Local\Temp\F4FE.exe

    MD5

    89064b763c28aee6acd46af84406077e

    SHA1

    82c03a9a0e097c3eda89fb34615837c1bc2f7415

    SHA256

    21eecb27d5ecd7bbe138753c81feae747adc5d3aa6ee265dd153905ed03fcfb9

    SHA512

    5554f98e2b9cdf01b9243366e9782c93174cfd25fbaecd93090c815d2a3974e5ce38a7a80691dc55f7629cb4717cade94d452dc316da40ed3caf069c025a8d32

  • C:\Users\Admin\AppData\Local\Temp\F4FE.exe

    MD5

    89064b763c28aee6acd46af84406077e

    SHA1

    82c03a9a0e097c3eda89fb34615837c1bc2f7415

    SHA256

    21eecb27d5ecd7bbe138753c81feae747adc5d3aa6ee265dd153905ed03fcfb9

    SHA512

    5554f98e2b9cdf01b9243366e9782c93174cfd25fbaecd93090c815d2a3974e5ce38a7a80691dc55f7629cb4717cade94d452dc316da40ed3caf069c025a8d32

  • C:\Users\Admin\AppData\Local\Temp\F4FE.exe

    MD5

    89064b763c28aee6acd46af84406077e

    SHA1

    82c03a9a0e097c3eda89fb34615837c1bc2f7415

    SHA256

    21eecb27d5ecd7bbe138753c81feae747adc5d3aa6ee265dd153905ed03fcfb9

    SHA512

    5554f98e2b9cdf01b9243366e9782c93174cfd25fbaecd93090c815d2a3974e5ce38a7a80691dc55f7629cb4717cade94d452dc316da40ed3caf069c025a8d32

  • C:\Users\Admin\AppData\Local\Temp\F4FE.exe

    MD5

    89064b763c28aee6acd46af84406077e

    SHA1

    82c03a9a0e097c3eda89fb34615837c1bc2f7415

    SHA256

    21eecb27d5ecd7bbe138753c81feae747adc5d3aa6ee265dd153905ed03fcfb9

    SHA512

    5554f98e2b9cdf01b9243366e9782c93174cfd25fbaecd93090c815d2a3974e5ce38a7a80691dc55f7629cb4717cade94d452dc316da40ed3caf069c025a8d32

  • memory/368-141-0x0000000005690000-0x0000000005691000-memory.dmp

    Filesize

    4KB

  • memory/368-133-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/368-140-0x0000000005560000-0x0000000005561000-memory.dmp

    Filesize

    4KB

  • memory/368-162-0x00000000063C0000-0x00000000063C1000-memory.dmp

    Filesize

    4KB

  • memory/368-142-0x0000000005600000-0x0000000005601000-memory.dmp

    Filesize

    4KB

  • memory/368-143-0x0000000005640000-0x0000000005641000-memory.dmp

    Filesize

    4KB

  • memory/368-144-0x00000000054C0000-0x0000000005AC6000-memory.dmp

    Filesize

    6.0MB

  • memory/368-161-0x0000000006510000-0x0000000006511000-memory.dmp

    Filesize

    4KB

  • memory/368-134-0x0000000000418D06-mapping.dmp

  • memory/368-139-0x0000000005AD0000-0x0000000005AD1000-memory.dmp

    Filesize

    4KB

  • memory/368-160-0x00000000063F0000-0x00000000063F1000-memory.dmp

    Filesize

    4KB

  • memory/368-159-0x0000000005920000-0x0000000005921000-memory.dmp

    Filesize

    4KB

  • memory/368-158-0x00000000065E0000-0x00000000065E1000-memory.dmp

    Filesize

    4KB

  • memory/1568-176-0x0000000006020000-0x0000000006021000-memory.dmp

    Filesize

    4KB

  • memory/1568-177-0x0000000003161000-0x0000000003162000-memory.dmp

    Filesize

    4KB

  • memory/1568-172-0x0000000000000000-mapping.dmp

  • memory/1568-175-0x0000000003160000-0x0000000003161000-memory.dmp

    Filesize

    4KB

  • memory/1672-125-0x0000000000402E0C-mapping.dmp

  • memory/2108-182-0x00000000027D0000-0x00000000027D1000-memory.dmp

    Filesize

    4KB

  • memory/2108-199-0x00000000074C0000-0x00000000074C1000-memory.dmp

    Filesize

    4KB

  • memory/2108-229-0x0000000006733000-0x0000000006734000-memory.dmp

    Filesize

    4KB

  • memory/2108-228-0x000000007F040000-0x000000007F041000-memory.dmp

    Filesize

    4KB

  • memory/2108-222-0x0000000008CE0000-0x0000000008CE1000-memory.dmp

    Filesize

    4KB

  • memory/2108-215-0x0000000008D00000-0x0000000008D33000-memory.dmp

    Filesize

    204KB

  • memory/2108-208-0x00000000027D0000-0x00000000027D1000-memory.dmp

    Filesize

    4KB

  • memory/2108-178-0x0000000000000000-mapping.dmp

  • memory/2108-204-0x0000000007DC0000-0x0000000007DC1000-memory.dmp

    Filesize

    4KB

  • memory/2108-202-0x00000000075F0000-0x00000000075F1000-memory.dmp

    Filesize

    4KB

  • memory/2108-201-0x0000000007710000-0x0000000007711000-memory.dmp

    Filesize

    4KB

  • memory/2108-198-0x0000000006C10000-0x0000000006C11000-memory.dmp

    Filesize

    4KB

  • memory/2108-184-0x00000000027D0000-0x00000000027D1000-memory.dmp

    Filesize

    4KB

  • memory/2108-190-0x0000000006732000-0x0000000006733000-memory.dmp

    Filesize

    4KB

  • memory/2108-187-0x0000000006D70000-0x0000000006D71000-memory.dmp

    Filesize

    4KB

  • memory/2108-186-0x0000000004250000-0x0000000004251000-memory.dmp

    Filesize

    4KB

  • memory/2108-188-0x0000000006730000-0x0000000006731000-memory.dmp

    Filesize

    4KB

  • memory/2164-203-0x00000000027F0000-0x00000000027F1000-memory.dmp

    Filesize

    4KB

  • memory/2164-206-0x00000000027F1000-0x00000000027F2000-memory.dmp

    Filesize

    4KB

  • memory/2164-205-0x0000000005280000-0x0000000005281000-memory.dmp

    Filesize

    4KB

  • memory/2164-191-0x0000000000000000-mapping.dmp

  • memory/2820-128-0x0000000000000000-mapping.dmp

  • memory/2820-131-0x00000000009C0000-0x00000000009C1000-memory.dmp

    Filesize

    4KB

  • memory/3028-119-0x0000000000EA0000-0x0000000000EB6000-memory.dmp

    Filesize

    88KB

  • memory/3028-127-0x0000000002C70000-0x0000000002C86000-memory.dmp

    Filesize

    88KB

  • memory/3048-118-0x0000000000030000-0x0000000000039000-memory.dmp

    Filesize

    36KB

  • memory/3048-115-0x0000000000B61000-0x0000000000B72000-memory.dmp

    Filesize

    68KB

  • memory/3060-179-0x0000000000000000-mapping.dmp

  • memory/3128-149-0x00000000001F0000-0x00000000001F1000-memory.dmp

    Filesize

    4KB

  • memory/3128-169-0x0000000007650000-0x0000000007651000-memory.dmp

    Filesize

    4KB

  • memory/3128-145-0x0000000000000000-mapping.dmp

  • memory/3128-152-0x0000000077C70000-0x0000000077DFE000-memory.dmp

    Filesize

    1.6MB

  • memory/3128-157-0x0000000005530000-0x0000000005531000-memory.dmp

    Filesize

    4KB

  • memory/3128-168-0x0000000006F50000-0x0000000006F51000-memory.dmp

    Filesize

    4KB

  • memory/3316-120-0x0000000000000000-mapping.dmp

  • memory/3464-116-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3464-117-0x0000000000402E0C-mapping.dmp

  • memory/3560-181-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB

  • memory/3560-183-0x0000000000410AEC-mapping.dmp

  • memory/3560-189-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB