Analysis

  • max time kernel
    151s
  • max time network
    123s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    24-10-2021 04:31

General

  • Target

    toolspab2.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.

  • 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\toolspab2.exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2736
    • C:\Users\Admin\AppData\Local\Temp\toolspab2.exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3760
  • C:\Users\Admin\AppData\Local\Temp\4BCA.exe
    C:\Users\Admin\AppData\Local\Temp\4BCA.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3348
    • C:\Users\Admin\AppData\Local\Temp\4BCA.exe
      C:\Users\Admin\AppData\Local\Temp\4BCA.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:3552
  • C:\Users\Admin\AppData\Local\Temp\6658.exe
    C:\Users\Admin\AppData\Local\Temp\6658.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2880
    • C:\Users\Admin\AppData\Local\Temp\6658.exe
      C:\Users\Admin\AppData\Local\Temp\6658.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1920
  • C:\Users\Admin\AppData\Local\Temp\7A2F.exe
    C:\Users\Admin\AppData\Local\Temp\7A2F.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:3000
  • C:\Users\Admin\AppData\Local\Temp\7E9.exe
    C:\Users\Admin\AppData\Local\Temp\7E9.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2436
    • 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\7E9.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3544
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DtwQfNsp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB8E7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2400
    • C:\Users\Admin\AppData\Local\Temp\7E9.exe
      "C:\Users\Admin\AppData\Local\Temp\7E9.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:832
      • 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:4012

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

    abac41c3be418544e5e561b64177d637

    SHA1

    2204433594538824b5c808d7774dfcf92c4a1b7a

    SHA256

    2870922c7047e6b5703c14988abc5ef5d93009e1fa4ce739ff36a9ad0aa1131f

    SHA512

    8162bcd8d2af01593ea75fd8bd518ea9dd91b5f61e0fd6c33d6c983ad2e4b5b561d31d456519b507317a98670a358dee6a570a023b89be83ae3ca59411aafc01

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

    5c7a23f1b66d50e298477bcdfe2b6a4f

    SHA1

    c5eec7e80e243d4834cfee2358104bb0b3c2e9a6

    SHA256

    696d56f7614b460455eae1696b1e1fe03151326b6b8c84370a689fea44fe4764

    SHA512

    3dba0a624b104eca3bf39efcd7359e15e9de4a93f6c21626c3ed129bf34f7ac2c34fd60ee097c2aa21631c16445dcaf911f83f916de0b425daf4db72466d8731

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\6658.exe.log
    MD5

    605f809fab8c19729d39d075f7ffdb53

    SHA1

    c546f877c9bd53563174a90312a8337fdfc5fdd9

    SHA256

    6904d540649e76c55f99530b81be17e099184bb4cad415aa9b9b39cc3677f556

    SHA512

    82cc12c3186ae23884b8d5c104638c8206272c4389ade56b926dfc1d437b03888159b3c790b188b54d277a262e731927e703e680ea642e1417faee27443fd5b3

  • C:\Users\Admin\AppData\Local\Temp\4BCA.exe
    MD5

    661a32c0d713d6ee0d478904c088b2d3

    SHA1

    24875cfbea7f8b45af94e3bb1ba8fb4541b9fa11

    SHA256

    b6caee45c87c15b789975b63f5ee6edfb1be6c7ef8c5854c2decdfe501797fc0

    SHA512

    a1809692b3a8eba590357735c4d5c5cf2716af4c52103662326f02951820846b513604eda0902399cb461d8879208ae9cc0a653a9712ccf9cc4e73221449ccbe

  • C:\Users\Admin\AppData\Local\Temp\4BCA.exe
    MD5

    661a32c0d713d6ee0d478904c088b2d3

    SHA1

    24875cfbea7f8b45af94e3bb1ba8fb4541b9fa11

    SHA256

    b6caee45c87c15b789975b63f5ee6edfb1be6c7ef8c5854c2decdfe501797fc0

    SHA512

    a1809692b3a8eba590357735c4d5c5cf2716af4c52103662326f02951820846b513604eda0902399cb461d8879208ae9cc0a653a9712ccf9cc4e73221449ccbe

  • C:\Users\Admin\AppData\Local\Temp\4BCA.exe
    MD5

    661a32c0d713d6ee0d478904c088b2d3

    SHA1

    24875cfbea7f8b45af94e3bb1ba8fb4541b9fa11

    SHA256

    b6caee45c87c15b789975b63f5ee6edfb1be6c7ef8c5854c2decdfe501797fc0

    SHA512

    a1809692b3a8eba590357735c4d5c5cf2716af4c52103662326f02951820846b513604eda0902399cb461d8879208ae9cc0a653a9712ccf9cc4e73221449ccbe

  • 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\6658.exe
    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • C:\Users\Admin\AppData\Local\Temp\6658.exe
    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • C:\Users\Admin\AppData\Local\Temp\6658.exe
    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • C:\Users\Admin\AppData\Local\Temp\7A2F.exe
    MD5

    d0c332dd942a7b680063c4eca607f2c4

    SHA1

    d57b7c95c258c968e7e2f5cd39bf52928cd587fd

    SHA256

    756f3dc3ceb0db783e3f1cabd10ee6a3af4688147adde714cdea6f226e5f0024

    SHA512

    70abbdaedfbc7ff4fb06ccd619ad812cb2731e7448d5055a414a609d048fc95067594e2ee74f35284d671b8d618d1914232e20d5cc7d862726a3138c4ec61019

  • C:\Users\Admin\AppData\Local\Temp\7E9.exe
    MD5

    89064b763c28aee6acd46af84406077e

    SHA1

    82c03a9a0e097c3eda89fb34615837c1bc2f7415

    SHA256

    21eecb27d5ecd7bbe138753c81feae747adc5d3aa6ee265dd153905ed03fcfb9

    SHA512

    5554f98e2b9cdf01b9243366e9782c93174cfd25fbaecd93090c815d2a3974e5ce38a7a80691dc55f7629cb4717cade94d452dc316da40ed3caf069c025a8d32

  • C:\Users\Admin\AppData\Local\Temp\7E9.exe
    MD5

    89064b763c28aee6acd46af84406077e

    SHA1

    82c03a9a0e097c3eda89fb34615837c1bc2f7415

    SHA256

    21eecb27d5ecd7bbe138753c81feae747adc5d3aa6ee265dd153905ed03fcfb9

    SHA512

    5554f98e2b9cdf01b9243366e9782c93174cfd25fbaecd93090c815d2a3974e5ce38a7a80691dc55f7629cb4717cade94d452dc316da40ed3caf069c025a8d32

  • C:\Users\Admin\AppData\Local\Temp\7E9.exe
    MD5

    89064b763c28aee6acd46af84406077e

    SHA1

    82c03a9a0e097c3eda89fb34615837c1bc2f7415

    SHA256

    21eecb27d5ecd7bbe138753c81feae747adc5d3aa6ee265dd153905ed03fcfb9

    SHA512

    5554f98e2b9cdf01b9243366e9782c93174cfd25fbaecd93090c815d2a3974e5ce38a7a80691dc55f7629cb4717cade94d452dc316da40ed3caf069c025a8d32

  • memory/832-198-0x0000000000400000-0x0000000000439000-memory.dmp
    Filesize

    228KB

  • memory/832-183-0x0000000000400000-0x0000000000439000-memory.dmp
    Filesize

    228KB

  • memory/832-185-0x0000000000410AEC-mapping.dmp
  • memory/1920-169-0x00000000076E0000-0x00000000076E1000-memory.dmp
    Filesize

    4KB

  • memory/1920-159-0x0000000006730000-0x0000000006731000-memory.dmp
    Filesize

    4KB

  • memory/1920-140-0x0000000005590000-0x0000000005591000-memory.dmp
    Filesize

    4KB

  • memory/1920-143-0x0000000005410000-0x0000000005A16000-memory.dmp
    Filesize

    6.0MB

  • memory/1920-144-0x00000000054C0000-0x00000000054C1000-memory.dmp
    Filesize

    4KB

  • memory/1920-133-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1920-152-0x0000000005500000-0x0000000005501000-memory.dmp
    Filesize

    4KB

  • memory/1920-167-0x0000000006FE0000-0x0000000006FE1000-memory.dmp
    Filesize

    4KB

  • memory/1920-138-0x0000000005A20000-0x0000000005A21000-memory.dmp
    Filesize

    4KB

  • memory/1920-134-0x0000000000418D06-mapping.dmp
  • memory/1920-139-0x0000000005460000-0x0000000005461000-memory.dmp
    Filesize

    4KB

  • memory/2400-182-0x0000000000000000-mapping.dmp
  • memory/2436-175-0x0000000001180000-0x0000000001181000-memory.dmp
    Filesize

    4KB

  • memory/2436-176-0x0000000005A80000-0x0000000005A81000-memory.dmp
    Filesize

    4KB

  • memory/2436-177-0x0000000001181000-0x0000000001182000-memory.dmp
    Filesize

    4KB

  • memory/2436-172-0x0000000000000000-mapping.dmp
  • memory/2736-115-0x0000000000AA1000-0x0000000000AB2000-memory.dmp
    Filesize

    68KB

  • memory/2736-116-0x00000000001C0000-0x00000000001C9000-memory.dmp
    Filesize

    36KB

  • memory/2880-128-0x0000000000000000-mapping.dmp
  • memory/2880-131-0x0000000000C50000-0x0000000000C51000-memory.dmp
    Filesize

    4KB

  • memory/3000-141-0x0000000000000000-mapping.dmp
  • memory/3000-157-0x0000000005800000-0x0000000005801000-memory.dmp
    Filesize

    4KB

  • memory/3000-156-0x00000000055A0000-0x00000000055A1000-memory.dmp
    Filesize

    4KB

  • memory/3000-161-0x00000000062B0000-0x00000000062B1000-memory.dmp
    Filesize

    4KB

  • memory/3000-163-0x00000000063D0000-0x00000000063D1000-memory.dmp
    Filesize

    4KB

  • memory/3000-155-0x0000000077560000-0x00000000776EE000-memory.dmp
    Filesize

    1.6MB

  • memory/3000-147-0x0000000000030000-0x0000000000031000-memory.dmp
    Filesize

    4KB

  • memory/3000-165-0x0000000006680000-0x0000000006681000-memory.dmp
    Filesize

    4KB

  • memory/3008-119-0x0000000001490000-0x00000000014A6000-memory.dmp
    Filesize

    88KB

  • memory/3008-127-0x0000000002DD0000-0x0000000002DE6000-memory.dmp
    Filesize

    88KB

  • memory/3348-120-0x0000000000000000-mapping.dmp
  • memory/3544-199-0x00000000077E0000-0x00000000077E1000-memory.dmp
    Filesize

    4KB

  • memory/3544-203-0x0000000007CD0000-0x0000000007CD1000-memory.dmp
    Filesize

    4KB

  • memory/3544-192-0x0000000006EF0000-0x0000000006EF1000-memory.dmp
    Filesize

    4KB

  • memory/3544-297-0x0000000006A03000-0x0000000006A04000-memory.dmp
    Filesize

    4KB

  • memory/3544-227-0x000000007E760000-0x000000007E761000-memory.dmp
    Filesize

    4KB

  • memory/3544-181-0x0000000001360000-0x0000000001361000-memory.dmp
    Filesize

    4KB

  • memory/3544-180-0x0000000000EC0000-0x0000000000EC1000-memory.dmp
    Filesize

    4KB

  • memory/3544-221-0x0000000008F40000-0x0000000008F41000-memory.dmp
    Filesize

    4KB

  • memory/3544-214-0x0000000008F60000-0x0000000008F93000-memory.dmp
    Filesize

    204KB

  • memory/3544-179-0x0000000000EC0000-0x0000000000EC1000-memory.dmp
    Filesize

    4KB

  • memory/3544-189-0x0000000006A02000-0x0000000006A03000-memory.dmp
    Filesize

    4KB

  • memory/3544-207-0x0000000000EC0000-0x0000000000EC1000-memory.dmp
    Filesize

    4KB

  • memory/3544-187-0x0000000006A00000-0x0000000006A01000-memory.dmp
    Filesize

    4KB

  • memory/3544-178-0x0000000000000000-mapping.dmp
  • memory/3544-201-0x0000000007880000-0x0000000007881000-memory.dmp
    Filesize

    4KB

  • memory/3544-202-0x00000000077C0000-0x00000000077C1000-memory.dmp
    Filesize

    4KB

  • memory/3544-184-0x0000000007040000-0x0000000007041000-memory.dmp
    Filesize

    4KB

  • memory/3552-125-0x0000000000402E0C-mapping.dmp
  • memory/3760-117-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/3760-118-0x0000000000402E0C-mapping.dmp
  • memory/4012-204-0x0000000004F20000-0x0000000004F21000-memory.dmp
    Filesize

    4KB

  • memory/4012-205-0x0000000000A41000-0x0000000000A42000-memory.dmp
    Filesize

    4KB

  • memory/4012-188-0x0000000000000000-mapping.dmp
  • memory/4012-193-0x0000000000A40000-0x0000000000A41000-memory.dmp
    Filesize

    4KB