Analysis

  • max time kernel
    153s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    24-10-2021 01:32

General

  • Target

    f3f3e212e84f0c9c375aa5bc3d9de63c2ddc2b5704d784006067390abaae57b3.exe

  • Size

    334KB

  • MD5

    c33f5b894962328a5167e37c51edecc3

  • SHA1

    c91eb850ab475ff69b6869f30eabcb0fee887e71

  • SHA256

    f3f3e212e84f0c9c375aa5bc3d9de63c2ddc2b5704d784006067390abaae57b3

  • SHA512

    0e331f7f16312edd361cd3e238d92a01952524af1ad8e348731b4fbdb47ef86224b606b3c6a4f67511dceb5a30e77d7357ee9457e16ef99f86283432b04d4937

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.

  • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

  • 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 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 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f3f3e212e84f0c9c375aa5bc3d9de63c2ddc2b5704d784006067390abaae57b3.exe
    "C:\Users\Admin\AppData\Local\Temp\f3f3e212e84f0c9c375aa5bc3d9de63c2ddc2b5704d784006067390abaae57b3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:760
    • C:\Users\Admin\AppData\Local\Temp\f3f3e212e84f0c9c375aa5bc3d9de63c2ddc2b5704d784006067390abaae57b3.exe
      "C:\Users\Admin\AppData\Local\Temp\f3f3e212e84f0c9c375aa5bc3d9de63c2ddc2b5704d784006067390abaae57b3.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3144
  • C:\Users\Admin\AppData\Local\Temp\537B.exe
    C:\Users\Admin\AppData\Local\Temp\537B.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4564
    • C:\Users\Admin\AppData\Local\Temp\537B.exe
      C:\Users\Admin\AppData\Local\Temp\537B.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:4484
  • C:\Users\Admin\AppData\Local\Temp\6DEA.exe
    C:\Users\Admin\AppData\Local\Temp\6DEA.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2924
    • C:\Users\Admin\AppData\Local\Temp\6DEA.exe
      C:\Users\Admin\AppData\Local\Temp\6DEA.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:588
  • C:\Users\Admin\AppData\Local\Temp\8347.exe
    C:\Users\Admin\AppData\Local\Temp\8347.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:1084
  • C:\Users\Admin\AppData\Local\Temp\1298.exe
    C:\Users\Admin\AppData\Local\Temp\1298.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3200
    • 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\1298.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:5056
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DtwQfNsp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBFBD.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4984
    • C:\Users\Admin\AppData\Local\Temp\1298.exe
      "C:\Users\Admin\AppData\Local\Temp\1298.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4996
      • 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:5104

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

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

    1eefcb0c479c37d0801fcaf1e529f223

    SHA1

    4aa35500311bce02d796570d66f3d9e4f04b54fc

    SHA256

    30a93b10e702b345a138a1646adaa8f56a3fccd0a53f6fa6b3bebb8216b7145d

    SHA512

    aeaf6988fedaefb2213687b9032ab8c8425b1839e0eb34d3d2cf97b6aa189a299c58830dfc7542cb58df9cfa08a62805161a11f8fe821d07b849ac5197761485

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66AE3BFDF94A732B262342AD2154B86E_CAAD487C6DC014CC76BDDB95FED82CB0
    MD5

    93511d6353b2cc7c50848ad15e86f774

    SHA1

    1f7cb8b95ff2d685cb5202df680696b69cc027ed

    SHA256

    117db7cee18bf7b1654bf84cffd9cdb82036ef853f4db24ba2ac2a60204ed7e2

    SHA512

    87cab3c431a62498ae2589e31e4b001a79df0ab5b7fc92ec1a472be84135032b76b61df28fea7115a67057b45752e3a453f83f7487ad9f5b5aab43b4b0f87509

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\6DEA.exe.log
    MD5

    605f809fab8c19729d39d075f7ffdb53

    SHA1

    c546f877c9bd53563174a90312a8337fdfc5fdd9

    SHA256

    6904d540649e76c55f99530b81be17e099184bb4cad415aa9b9b39cc3677f556

    SHA512

    82cc12c3186ae23884b8d5c104638c8206272c4389ade56b926dfc1d437b03888159b3c790b188b54d277a262e731927e703e680ea642e1417faee27443fd5b3

  • C:\Users\Admin\AppData\Local\Temp\1298.exe
    MD5

    89064b763c28aee6acd46af84406077e

    SHA1

    82c03a9a0e097c3eda89fb34615837c1bc2f7415

    SHA256

    21eecb27d5ecd7bbe138753c81feae747adc5d3aa6ee265dd153905ed03fcfb9

    SHA512

    5554f98e2b9cdf01b9243366e9782c93174cfd25fbaecd93090c815d2a3974e5ce38a7a80691dc55f7629cb4717cade94d452dc316da40ed3caf069c025a8d32

  • C:\Users\Admin\AppData\Local\Temp\1298.exe
    MD5

    89064b763c28aee6acd46af84406077e

    SHA1

    82c03a9a0e097c3eda89fb34615837c1bc2f7415

    SHA256

    21eecb27d5ecd7bbe138753c81feae747adc5d3aa6ee265dd153905ed03fcfb9

    SHA512

    5554f98e2b9cdf01b9243366e9782c93174cfd25fbaecd93090c815d2a3974e5ce38a7a80691dc55f7629cb4717cade94d452dc316da40ed3caf069c025a8d32

  • C:\Users\Admin\AppData\Local\Temp\1298.exe
    MD5

    89064b763c28aee6acd46af84406077e

    SHA1

    82c03a9a0e097c3eda89fb34615837c1bc2f7415

    SHA256

    21eecb27d5ecd7bbe138753c81feae747adc5d3aa6ee265dd153905ed03fcfb9

    SHA512

    5554f98e2b9cdf01b9243366e9782c93174cfd25fbaecd93090c815d2a3974e5ce38a7a80691dc55f7629cb4717cade94d452dc316da40ed3caf069c025a8d32

  • C:\Users\Admin\AppData\Local\Temp\537B.exe
    MD5

    c33f5b894962328a5167e37c51edecc3

    SHA1

    c91eb850ab475ff69b6869f30eabcb0fee887e71

    SHA256

    f3f3e212e84f0c9c375aa5bc3d9de63c2ddc2b5704d784006067390abaae57b3

    SHA512

    0e331f7f16312edd361cd3e238d92a01952524af1ad8e348731b4fbdb47ef86224b606b3c6a4f67511dceb5a30e77d7357ee9457e16ef99f86283432b04d4937

  • C:\Users\Admin\AppData\Local\Temp\537B.exe
    MD5

    c33f5b894962328a5167e37c51edecc3

    SHA1

    c91eb850ab475ff69b6869f30eabcb0fee887e71

    SHA256

    f3f3e212e84f0c9c375aa5bc3d9de63c2ddc2b5704d784006067390abaae57b3

    SHA512

    0e331f7f16312edd361cd3e238d92a01952524af1ad8e348731b4fbdb47ef86224b606b3c6a4f67511dceb5a30e77d7357ee9457e16ef99f86283432b04d4937

  • C:\Users\Admin\AppData\Local\Temp\537B.exe
    MD5

    c33f5b894962328a5167e37c51edecc3

    SHA1

    c91eb850ab475ff69b6869f30eabcb0fee887e71

    SHA256

    f3f3e212e84f0c9c375aa5bc3d9de63c2ddc2b5704d784006067390abaae57b3

    SHA512

    0e331f7f16312edd361cd3e238d92a01952524af1ad8e348731b4fbdb47ef86224b606b3c6a4f67511dceb5a30e77d7357ee9457e16ef99f86283432b04d4937

  • 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\6DEA.exe
    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • C:\Users\Admin\AppData\Local\Temp\6DEA.exe
    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • C:\Users\Admin\AppData\Local\Temp\6DEA.exe
    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • C:\Users\Admin\AppData\Local\Temp\8347.exe
    MD5

    d0c332dd942a7b680063c4eca607f2c4

    SHA1

    d57b7c95c258c968e7e2f5cd39bf52928cd587fd

    SHA256

    756f3dc3ceb0db783e3f1cabd10ee6a3af4688147adde714cdea6f226e5f0024

    SHA512

    70abbdaedfbc7ff4fb06ccd619ad812cb2731e7448d5055a414a609d048fc95067594e2ee74f35284d671b8d618d1914232e20d5cc7d862726a3138c4ec61019

  • memory/588-141-0x0000000005040000-0x0000000005041000-memory.dmp
    Filesize

    4KB

  • memory/588-144-0x0000000004F30000-0x0000000005536000-memory.dmp
    Filesize

    6.0MB

  • memory/588-139-0x0000000005540000-0x0000000005541000-memory.dmp
    Filesize

    4KB

  • memory/588-140-0x0000000002B90000-0x0000000002B91000-memory.dmp
    Filesize

    4KB

  • memory/588-134-0x0000000000418D06-mapping.dmp
  • memory/588-142-0x0000000004F70000-0x0000000004F71000-memory.dmp
    Filesize

    4KB

  • memory/588-143-0x0000000004FB0000-0x0000000004FB1000-memory.dmp
    Filesize

    4KB

  • memory/588-159-0x00000000052A0000-0x00000000052A1000-memory.dmp
    Filesize

    4KB

  • memory/588-158-0x0000000006050000-0x0000000006051000-memory.dmp
    Filesize

    4KB

  • memory/588-133-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/588-162-0x0000000005DB0000-0x0000000005DB1000-memory.dmp
    Filesize

    4KB

  • memory/588-161-0x0000000005EF0000-0x0000000005EF1000-memory.dmp
    Filesize

    4KB

  • memory/588-160-0x0000000005DD0000-0x0000000005DD1000-memory.dmp
    Filesize

    4KB

  • memory/760-116-0x0000000000030000-0x0000000000039000-memory.dmp
    Filesize

    36KB

  • memory/1084-169-0x0000000007FB0000-0x0000000007FB1000-memory.dmp
    Filesize

    4KB

  • memory/1084-156-0x00000000776F0000-0x000000007787E000-memory.dmp
    Filesize

    1.6MB

  • memory/1084-149-0x00000000009B0000-0x00000000009B1000-memory.dmp
    Filesize

    4KB

  • memory/1084-168-0x00000000078B0000-0x00000000078B1000-memory.dmp
    Filesize

    4KB

  • memory/1084-145-0x0000000000000000-mapping.dmp
  • memory/1084-157-0x0000000005DB0000-0x0000000005DB1000-memory.dmp
    Filesize

    4KB

  • memory/2712-127-0x0000000000920000-0x0000000000936000-memory.dmp
    Filesize

    88KB

  • memory/2712-119-0x0000000000600000-0x0000000000616000-memory.dmp
    Filesize

    88KB

  • memory/2924-131-0x0000000000B80000-0x0000000000B81000-memory.dmp
    Filesize

    4KB

  • memory/2924-128-0x0000000000000000-mapping.dmp
  • memory/3144-117-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/3144-118-0x0000000000402E0C-mapping.dmp
  • memory/3200-176-0x0000000005680000-0x0000000005681000-memory.dmp
    Filesize

    4KB

  • memory/3200-172-0x0000000000000000-mapping.dmp
  • memory/3200-175-0x0000000000B20000-0x0000000000B21000-memory.dmp
    Filesize

    4KB

  • memory/3200-177-0x0000000000B21000-0x0000000000B22000-memory.dmp
    Filesize

    4KB

  • memory/4484-125-0x0000000000402E0C-mapping.dmp
  • memory/4564-120-0x0000000000000000-mapping.dmp
  • memory/4564-123-0x0000000000B71000-0x0000000000B82000-memory.dmp
    Filesize

    68KB

  • memory/4984-181-0x0000000000000000-mapping.dmp
  • memory/4996-189-0x0000000000400000-0x0000000000439000-memory.dmp
    Filesize

    228KB

  • memory/4996-183-0x0000000000400000-0x0000000000439000-memory.dmp
    Filesize

    228KB

  • memory/4996-184-0x0000000000410AEC-mapping.dmp
  • memory/5056-178-0x0000000000000000-mapping.dmp
  • memory/5056-201-0x0000000008310000-0x0000000008311000-memory.dmp
    Filesize

    4KB

  • memory/5056-191-0x0000000007E70000-0x0000000007E71000-memory.dmp
    Filesize

    4KB

  • memory/5056-230-0x000000007F040000-0x000000007F041000-memory.dmp
    Filesize

    4KB

  • memory/5056-188-0x0000000004C62000-0x0000000004C63000-memory.dmp
    Filesize

    4KB

  • memory/5056-187-0x0000000004C60000-0x0000000004C61000-memory.dmp
    Filesize

    4KB

  • memory/5056-196-0x0000000007F50000-0x0000000007F51000-memory.dmp
    Filesize

    4KB

  • memory/5056-179-0x0000000004B00000-0x0000000004B01000-memory.dmp
    Filesize

    4KB

  • memory/5056-185-0x0000000007740000-0x0000000007741000-memory.dmp
    Filesize

    4KB

  • memory/5056-182-0x0000000004C20000-0x0000000004C21000-memory.dmp
    Filesize

    4KB

  • memory/5056-180-0x0000000004B00000-0x0000000004B01000-memory.dmp
    Filesize

    4KB

  • memory/5056-190-0x0000000007690000-0x0000000007691000-memory.dmp
    Filesize

    4KB

  • memory/5056-202-0x0000000008440000-0x0000000008441000-memory.dmp
    Filesize

    4KB

  • memory/5056-231-0x0000000004C63000-0x0000000004C64000-memory.dmp
    Filesize

    4KB

  • memory/5056-221-0x00000000096C0000-0x00000000096C1000-memory.dmp
    Filesize

    4KB

  • memory/5056-214-0x0000000009700000-0x0000000009733000-memory.dmp
    Filesize

    204KB

  • memory/5056-207-0x0000000004B00000-0x0000000004B01000-memory.dmp
    Filesize

    4KB

  • memory/5104-205-0x0000000003191000-0x0000000003192000-memory.dmp
    Filesize

    4KB

  • memory/5104-204-0x0000000005DF0000-0x0000000005DF1000-memory.dmp
    Filesize

    4KB

  • memory/5104-203-0x0000000003190000-0x0000000003191000-memory.dmp
    Filesize

    4KB

  • memory/5104-193-0x0000000000000000-mapping.dmp