Analysis

  • max time kernel
    151s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    23-10-2021 22:46

General

  • Target

    42c7e0e48a3d7c575057835b5a0a1914.exe

  • Size

    259KB

  • MD5

    42c7e0e48a3d7c575057835b5a0a1914

  • SHA1

    c6c74becdcb1cac408df8a1095e92f099f3670a9

  • SHA256

    e3ed1dda5777f5cd585829d39bdcc898a2596dc5395ca7228b82226d183cf39c

  • SHA512

    fe63edd5811aa382de164a931310b77a38ed21b4a1ed6810a5e83cd5e8ca1f24e7d31f20c95d7855a61c30fe5db3483ad677d634e25632aa7b5db559af6b5c38

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://gejajoo7.top/

http://sysaheu9.top/

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\42c7e0e48a3d7c575057835b5a0a1914.exe
    "C:\Users\Admin\AppData\Local\Temp\42c7e0e48a3d7c575057835b5a0a1914.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2112
    • C:\Users\Admin\AppData\Local\Temp\42c7e0e48a3d7c575057835b5a0a1914.exe
      "C:\Users\Admin\AppData\Local\Temp\42c7e0e48a3d7c575057835b5a0a1914.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2324
  • C:\Users\Admin\AppData\Local\Temp\3FE3.exe
    C:\Users\Admin\AppData\Local\Temp\3FE3.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3656
    • C:\Users\Admin\AppData\Local\Temp\3FE3.exe
      C:\Users\Admin\AppData\Local\Temp\3FE3.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1432
  • C:\Users\Admin\AppData\Local\Temp\5A71.exe
    C:\Users\Admin\AppData\Local\Temp\5A71.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Users\Admin\AppData\Local\Temp\5A71.exe
      C:\Users\Admin\AppData\Local\Temp\5A71.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:400
  • C:\Users\Admin\AppData\Local\Temp\6DAC.exe
    C:\Users\Admin\AppData\Local\Temp\6DAC.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:2832
  • C:\Users\Admin\AppData\Local\Temp\FC51.exe
    C:\Users\Admin\AppData\Local\Temp\FC51.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3444
    • 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\FC51.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1768
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DtwQfNsp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAEC5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:436
    • C:\Users\Admin\AppData\Local\Temp\FC51.exe
      "C:\Users\Admin\AppData\Local\Temp\FC51.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3380
      • 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:3584

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

    14bf4d5491ac90a984c40f9301d47cc8

    SHA1

    eadbd62dda5d59fdf642bfa7b79ff2045a360428

    SHA256

    2cac1fbee626a843a257929322628707b987a13e8c1dc1d680869090f167bfdd

    SHA512

    bbb1081dd088d36e6cf03e21bcd5f001b8e28ce04aa15620ffcb94d14a655751edcd18a20c8e4289649a65e3037fea95d734f3f23d9963ec16aafbf256187561

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

    fd22a1f76adc09387b84caba87349345

    SHA1

    ac9859493ce051f7e01e4b987cbb0a3528dcea85

    SHA256

    6816ec41924a551f2b32bf457e69fa8ceca8b9445eac0bd78f337300cc36316d

    SHA512

    462e7729b6e51c83f88fcb18129f6a73db745cab4ad845cae2a9238a2ff66397eb9b4e2038cce0d119d37de296a103cfc88ccda80ae5391b974758d845f2c2eb

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5A71.exe.log
    MD5

    605f809fab8c19729d39d075f7ffdb53

    SHA1

    c546f877c9bd53563174a90312a8337fdfc5fdd9

    SHA256

    6904d540649e76c55f99530b81be17e099184bb4cad415aa9b9b39cc3677f556

    SHA512

    82cc12c3186ae23884b8d5c104638c8206272c4389ade56b926dfc1d437b03888159b3c790b188b54d277a262e731927e703e680ea642e1417faee27443fd5b3

  • C:\Users\Admin\AppData\Local\Temp\3FE3.exe
    MD5

    b6dc549656f522e63e046a7ead7121d3

    SHA1

    ebbba4d47d84e4aec6cdd1241d16e9f42dd67e19

    SHA256

    20803aeae55afe8a5d75a5085135d5d692f8c52c9a5e6a22a2605f58029e2f98

    SHA512

    ffe496002c36096457b1e0174860f978215f2e0fe03bbb40df9bdeb2b855144744a0d0dd4372e0157ed90633d991061acbe6e0cc90c4cb5758c60368a6e45549

  • C:\Users\Admin\AppData\Local\Temp\3FE3.exe
    MD5

    b6dc549656f522e63e046a7ead7121d3

    SHA1

    ebbba4d47d84e4aec6cdd1241d16e9f42dd67e19

    SHA256

    20803aeae55afe8a5d75a5085135d5d692f8c52c9a5e6a22a2605f58029e2f98

    SHA512

    ffe496002c36096457b1e0174860f978215f2e0fe03bbb40df9bdeb2b855144744a0d0dd4372e0157ed90633d991061acbe6e0cc90c4cb5758c60368a6e45549

  • C:\Users\Admin\AppData\Local\Temp\3FE3.exe
    MD5

    b6dc549656f522e63e046a7ead7121d3

    SHA1

    ebbba4d47d84e4aec6cdd1241d16e9f42dd67e19

    SHA256

    20803aeae55afe8a5d75a5085135d5d692f8c52c9a5e6a22a2605f58029e2f98

    SHA512

    ffe496002c36096457b1e0174860f978215f2e0fe03bbb40df9bdeb2b855144744a0d0dd4372e0157ed90633d991061acbe6e0cc90c4cb5758c60368a6e45549

  • C:\Users\Admin\AppData\Local\Temp\5A71.exe
    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • C:\Users\Admin\AppData\Local\Temp\5A71.exe
    MD5

    a9cf6b07b6ee36d4986bd67429634417

    SHA1

    5343ed7b750d6f4b4710380bbd14301936db982e

    SHA256

    56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

    SHA512

    4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

  • C:\Users\Admin\AppData\Local\Temp\5A71.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\6DAC.exe
    MD5

    d0c332dd942a7b680063c4eca607f2c4

    SHA1

    d57b7c95c258c968e7e2f5cd39bf52928cd587fd

    SHA256

    756f3dc3ceb0db783e3f1cabd10ee6a3af4688147adde714cdea6f226e5f0024

    SHA512

    70abbdaedfbc7ff4fb06ccd619ad812cb2731e7448d5055a414a609d048fc95067594e2ee74f35284d671b8d618d1914232e20d5cc7d862726a3138c4ec61019

  • C:\Users\Admin\AppData\Local\Temp\FC51.exe
    MD5

    89064b763c28aee6acd46af84406077e

    SHA1

    82c03a9a0e097c3eda89fb34615837c1bc2f7415

    SHA256

    21eecb27d5ecd7bbe138753c81feae747adc5d3aa6ee265dd153905ed03fcfb9

    SHA512

    5554f98e2b9cdf01b9243366e9782c93174cfd25fbaecd93090c815d2a3974e5ce38a7a80691dc55f7629cb4717cade94d452dc316da40ed3caf069c025a8d32

  • C:\Users\Admin\AppData\Local\Temp\FC51.exe
    MD5

    89064b763c28aee6acd46af84406077e

    SHA1

    82c03a9a0e097c3eda89fb34615837c1bc2f7415

    SHA256

    21eecb27d5ecd7bbe138753c81feae747adc5d3aa6ee265dd153905ed03fcfb9

    SHA512

    5554f98e2b9cdf01b9243366e9782c93174cfd25fbaecd93090c815d2a3974e5ce38a7a80691dc55f7629cb4717cade94d452dc316da40ed3caf069c025a8d32

  • C:\Users\Admin\AppData\Local\Temp\FC51.exe
    MD5

    89064b763c28aee6acd46af84406077e

    SHA1

    82c03a9a0e097c3eda89fb34615837c1bc2f7415

    SHA256

    21eecb27d5ecd7bbe138753c81feae747adc5d3aa6ee265dd153905ed03fcfb9

    SHA512

    5554f98e2b9cdf01b9243366e9782c93174cfd25fbaecd93090c815d2a3974e5ce38a7a80691dc55f7629cb4717cade94d452dc316da40ed3caf069c025a8d32

  • memory/400-140-0x0000000005480000-0x0000000005481000-memory.dmp
    Filesize

    4KB

  • memory/400-148-0x0000000004F80000-0x0000000004F81000-memory.dmp
    Filesize

    4KB

  • memory/400-163-0x00000000052A0000-0x00000000052A1000-memory.dmp
    Filesize

    4KB

  • memory/400-169-0x0000000006AA0000-0x0000000006AA1000-memory.dmp
    Filesize

    4KB

  • memory/400-170-0x00000000071A0000-0x00000000071A1000-memory.dmp
    Filesize

    4KB

  • memory/400-135-0x0000000000418D06-mapping.dmp
  • memory/400-143-0x0000000004EE0000-0x0000000004EE1000-memory.dmp
    Filesize

    4KB

  • memory/400-144-0x0000000005010000-0x0000000005011000-memory.dmp
    Filesize

    4KB

  • memory/400-134-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/400-145-0x0000000004E70000-0x0000000005476000-memory.dmp
    Filesize

    6.0MB

  • memory/400-160-0x0000000005F90000-0x0000000005F91000-memory.dmp
    Filesize

    4KB

  • memory/436-182-0x0000000000000000-mapping.dmp
  • memory/1432-125-0x0000000000402E0C-mapping.dmp
  • memory/1432-124-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/1768-205-0x0000000007C30000-0x0000000007C31000-memory.dmp
    Filesize

    4KB

  • memory/1768-208-0x0000000000950000-0x0000000000951000-memory.dmp
    Filesize

    4KB

  • memory/1768-196-0x0000000000FF2000-0x0000000000FF3000-memory.dmp
    Filesize

    4KB

  • memory/1768-201-0x0000000007740000-0x0000000007741000-memory.dmp
    Filesize

    4KB

  • memory/1768-195-0x0000000000FF0000-0x0000000000FF1000-memory.dmp
    Filesize

    4KB

  • memory/1768-203-0x0000000007820000-0x0000000007821000-memory.dmp
    Filesize

    4KB

  • memory/1768-204-0x00000000076F0000-0x00000000076F1000-memory.dmp
    Filesize

    4KB

  • memory/1768-215-0x0000000008C90000-0x0000000008CC3000-memory.dmp
    Filesize

    204KB

  • memory/1768-222-0x0000000008C70000-0x0000000008C71000-memory.dmp
    Filesize

    4KB

  • memory/1768-197-0x0000000006E40000-0x0000000006E41000-memory.dmp
    Filesize

    4KB

  • memory/1768-228-0x000000007ED40000-0x000000007ED41000-memory.dmp
    Filesize

    4KB

  • memory/1768-187-0x0000000006FA0000-0x0000000006FA1000-memory.dmp
    Filesize

    4KB

  • memory/1768-229-0x0000000000FF3000-0x0000000000FF4000-memory.dmp
    Filesize

    4KB

  • memory/1768-179-0x0000000000000000-mapping.dmp
  • memory/1768-180-0x0000000000950000-0x0000000000951000-memory.dmp
    Filesize

    4KB

  • memory/1768-181-0x0000000000950000-0x0000000000951000-memory.dmp
    Filesize

    4KB

  • memory/1768-184-0x0000000000F90000-0x0000000000F91000-memory.dmp
    Filesize

    4KB

  • memory/2112-118-0x0000000004C20000-0x0000000004C29000-memory.dmp
    Filesize

    36KB

  • memory/2324-116-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/2324-117-0x0000000000402EE8-mapping.dmp
  • memory/2484-129-0x0000000000000000-mapping.dmp
  • memory/2484-132-0x0000000000660000-0x0000000000661000-memory.dmp
    Filesize

    4KB

  • memory/2832-156-0x0000000005770000-0x0000000005771000-memory.dmp
    Filesize

    4KB

  • memory/2832-158-0x0000000005810000-0x0000000005811000-memory.dmp
    Filesize

    4KB

  • memory/2832-141-0x0000000000000000-mapping.dmp
  • memory/2832-146-0x0000000077820000-0x00000000779AE000-memory.dmp
    Filesize

    1.6MB

  • memory/2832-164-0x0000000005C70000-0x0000000005C71000-memory.dmp
    Filesize

    4KB

  • memory/2832-161-0x0000000005BB0000-0x0000000005BB1000-memory.dmp
    Filesize

    4KB

  • memory/2832-159-0x0000000005A90000-0x0000000005A91000-memory.dmp
    Filesize

    4KB

  • memory/2832-150-0x00000000002B0000-0x00000000002B1000-memory.dmp
    Filesize

    4KB

  • memory/3020-119-0x0000000000ED0000-0x0000000000EE6000-memory.dmp
    Filesize

    88KB

  • memory/3020-128-0x0000000002D10000-0x0000000002D26000-memory.dmp
    Filesize

    88KB

  • memory/3380-185-0x0000000000410AEC-mapping.dmp
  • memory/3380-198-0x0000000000400000-0x0000000000439000-memory.dmp
    Filesize

    228KB

  • memory/3380-183-0x0000000000400000-0x0000000000439000-memory.dmp
    Filesize

    228KB

  • memory/3444-176-0x00000000025A0000-0x00000000025A1000-memory.dmp
    Filesize

    4KB

  • memory/3444-177-0x00000000052A0000-0x00000000052A1000-memory.dmp
    Filesize

    4KB

  • memory/3444-178-0x00000000025A1000-0x00000000025A2000-memory.dmp
    Filesize

    4KB

  • memory/3444-173-0x0000000000000000-mapping.dmp
  • memory/3584-199-0x00000000024C0000-0x00000000024C1000-memory.dmp
    Filesize

    4KB

  • memory/3584-200-0x0000000005020000-0x0000000005021000-memory.dmp
    Filesize

    4KB

  • memory/3584-188-0x0000000000000000-mapping.dmp
  • memory/3584-206-0x00000000024C1000-0x00000000024C2000-memory.dmp
    Filesize

    4KB

  • memory/3656-120-0x0000000000000000-mapping.dmp
  • memory/3656-127-0x0000000000030000-0x0000000000039000-memory.dmp
    Filesize

    36KB