Analysis

  • max time kernel
    296s
  • max time network
    298s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    07-05-2024 23:34

General

  • Target

    989b904faba9a34be744477ce7730e1c84515ba7114f955cc5bda329d5b2e4c8.exe

  • Size

    435KB

  • MD5

    90ebf993cfa5d02f1ec8ff15a171234f

  • SHA1

    98027332e2b56efbed5b95f2e13b078f295441b7

  • SHA256

    989b904faba9a34be744477ce7730e1c84515ba7114f955cc5bda329d5b2e4c8

  • SHA512

    e510010a0dd0623581fecace7437430d13b7179259832da9204401f7f27c75b1f9c29c9078b1fff6dc1c39e0cea085986fa291d0e01c004782846703cca231b5

  • SSDEEP

    6144:gnYDXuyMLH7A6nRXxOZfktYODo8+QpaAKOGP1OE98aeAfBw/6l:S42LH7LxOZf+LZrGPrq/6l

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Signatures

  • Detect ZGRat V1 2 IoCs
  • Detects Arechclient2 RAT 1 IoCs

    Arechclient2.

  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

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

  • 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.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\989b904faba9a34be744477ce7730e1c84515ba7114f955cc5bda329d5b2e4c8.exe
    "C:\Users\Admin\AppData\Local\Temp\989b904faba9a34be744477ce7730e1c84515ba7114f955cc5bda329d5b2e4c8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4920
    • C:\Users\Admin\AppData\Local\Temp\u3so.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3so.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:304
    • C:\Users\Admin\AppData\Local\Temp\u3so.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u3so.2\run.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:672
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\SysWOW64\cmd.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:5116
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:512
    • C:\Users\Admin\AppData\Local\Temp\u3so.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u3so.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4960
      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
        "C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Are.docx

    Filesize

    11KB

    MD5

    a33e5b189842c5867f46566bdbf7a095

    SHA1

    e1c06359f6a76da90d19e8fd95e79c832edb3196

    SHA256

    5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

    SHA512

    f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

  • C:\ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • C:\Users\Admin\AppData\Local\Temp\161f557a

    Filesize

    448KB

    MD5

    5902c3a30f98d64254c362acdb9c1e86

    SHA1

    c77f6de127a9351467236eb8cd190808378e5b4e

    SHA256

    cd4547b8b7dae34846570644115eefb1bb1460b8aeb13e70a31518fb1208fb21

    SHA512

    0136f1b3249491b44790604d35f0779a6a8fea3f3821fb5b574b0ab58a4dcee9f8b067f9952df868b6af1a0fce391fea05cb6817b89c395c1971bfba1bdf2f3f

  • C:\Users\Admin\AppData\Local\Temp\tmp1317.tmp

    Filesize

    20KB

    MD5

    c9ff7748d8fcef4cf84a5501e996a641

    SHA1

    02867e5010f62f97ebb0cfb32cb3ede9449fe0c9

    SHA256

    4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988

    SHA512

    d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

  • C:\Users\Admin\AppData\Local\Temp\u3so.0.exe

    Filesize

    262KB

    MD5

    f0dac37ebcbdf6049fdaddd88f555fe2

    SHA1

    6f0195060249777d77c38622b1c3b0fd7cbc1dfd

    SHA256

    03402214ff5c205ad0bcb67ee7785ff2a438f98cb1994ef5454f49115b3e1a3d

    SHA512

    01862013d331209241812d0b4109db84fede0c8f245af2a718acd1e8925e01b2206ca8987ffb40b6bb2581b27cbcde71e77898c0eb9f1ba6a97e797e915a2239

  • C:\Users\Admin\AppData\Local\Temp\u3so.1.zip

    Filesize

    448KB

    MD5

    45a6411ae7ba721a6a716968c91ed531

    SHA1

    c4151fe5ed5116d7862eb440a67cdd8863e15fd9

    SHA256

    4c310678afbf34039cb958393a37163d6ec6c5c334e9cebfc2b9511bbef9ff20

    SHA512

    a178ad2af62cf2060dca53de5b1d6ff98f5c33842bb2b8b8b9aa1b416281ca0e635b4f31e7359b14cfb322a1c733328aa953fceea68c22ef2d5d27a4b0d3dd19

  • C:\Users\Admin\AppData\Local\Temp\u3so.2\doubled.doc

    Filesize

    1.2MB

    MD5

    5571921b293c3eafec5e11c517a05e59

    SHA1

    97ed3a1929f8277dcb918db6000ccc99388e48c0

    SHA256

    1f03e69a97baa4213308120e3d3d5cc80f9011e3b2e1070997726361bb126f35

    SHA512

    76cd23b74413855adcbded0a8c05081fb945110c17e1c8b2b93a1a026e83032b1d47d5084b92aef3ca538bbaea1c639c17350bea9b64b0586eada3cedb1eda74

  • C:\Users\Admin\AppData\Local\Temp\u3so.2\protactinium.log

    Filesize

    84KB

    MD5

    a276acc3fd657d7665bd4ddce8fb9749

    SHA1

    c02642eec3f4e8b0314045ee95e0a15abd853ea8

    SHA256

    6565f36d224ff27d89ad39a0d87f851f64308834d86e8a7cd02e9e1ea44187c8

    SHA512

    178476d229ff011cb1f39048acae46b42a80b2ec209b283a8237604646b09224446c5bb3a690191c4fd58813611d7c06b4fb23699cd76ad020a5d0bf4d456d79

  • C:\Users\Admin\AppData\Local\Temp\u3so.2\run.exe

    Filesize

    446KB

    MD5

    485008b43f0edceba0e0d3ca04bc1c1a

    SHA1

    55ae8f105af415bb763d1b87f6572f078052877c

    SHA256

    12c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10

    SHA512

    402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1

  • C:\Users\Admin\AppData\Local\Temp\u3so.3.exe

    Filesize

    448KB

    MD5

    714ed1fe342bcd239ba4553e3f6c4f07

    SHA1

    259a760f115258d0989f86a1c72254846ba993d8

    SHA256

    178620f812db0c3b5d192daa2fc32c9313c073151522ca358f9266cef2c2597d

    SHA512

    1c80026f7d731c2a964cfa3fe7078c4602ecb0a3d08f431c655f66f990ccb90887886c76cf9b70bd18bd58fcc992fff6b54bec3a492d8e811855cc0d56fb198f

  • \ProgramData\mozglue.dll

    Filesize

    448KB

    MD5

    d9cc66ccf417e3644524a76ed74ad577

    SHA1

    441d703591a55883c496985fe95e51f1d109fa5c

    SHA256

    92df8a625452746acfbe72ccc5242d15a0e2985ba7ca9e6ea105561cc1d4d239

    SHA512

    25c26a8b154d64f488d38e81e8818174d6733aea2392075977d4cf61dd00128f9114ddd0e0f0e43b8e456fd234dc5bc22fde097080147845e39538cc493f5252

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • \Users\Admin\AppData\Local\Temp\u3so.2\ASUS_WMI.dll

    Filesize

    224KB

    MD5

    3f109a02c8d642e8003a1188df40d861

    SHA1

    f723f38471b8872443aa9177eef12a96c02cc84a

    SHA256

    6523b44da6fa7078c7795b7705498e487b0625e28e15aec2d270c6e4a909b5a5

    SHA512

    023696a52d48c465ab62e3ee754b445093b8a0ed0a232b430ce1f0db3dae382c9e1fba210c2b04d1018cc29bfb69c546976912f3939a76e98bcb792ae57af0da

  • \Users\Admin\AppData\Local\Temp\u3so.2\ATKEX.dll

    Filesize

    84KB

    MD5

    e68562f63265e1a70881446b4b9dc455

    SHA1

    da16ef9367bde3ce892b1a0e33bc179d8acdceb3

    SHA256

    c8b16f1c6883a23021da37d9116a757f971fe919d64ef8f9dba17a7d8dd39adb

    SHA512

    6bedea10a5b50f6e93e8566c18970c8ad1b8dfc7d5961069fc5d5216dcdded0b2a2ad8dd91f4ad80f8604d573a343c126df238ee5c448cdc26b899077957a674

  • \Users\Admin\AppData\Local\Temp\u3so.2\AsIO.dll

    Filesize

    120KB

    MD5

    f383f6f4e764619bd19e319335d3ef2b

    SHA1

    99f287e49a15e495b4ead8e5589364a5f87b357e

    SHA256

    03951dfe05bf74c61568aed50b9d8ce5ecf0e0c2b8e73bc37e1a699ae7eebc9d

    SHA512

    6fa960a084f42e6de25b74782d205c48ca9329997fc2ae8db902bb653da5e878ed92ced6b37472248d5bdc820fc48080ae4fce41556c4b20a049e30bf93d6934

  • memory/304-189-0x0000000000400000-0x0000000002AFE000-memory.dmp

    Filesize

    39.0MB

  • memory/304-114-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/304-223-0x0000000000400000-0x0000000002AFE000-memory.dmp

    Filesize

    39.0MB

  • memory/512-277-0x0000000005140000-0x0000000005190000-memory.dmp

    Filesize

    320KB

  • memory/512-250-0x0000000071C30000-0x0000000072FB3000-memory.dmp

    Filesize

    19.5MB

  • memory/512-278-0x0000000004F20000-0x0000000004F2A000-memory.dmp

    Filesize

    40KB

  • memory/512-275-0x0000000005210000-0x00000000053D2000-memory.dmp

    Filesize

    1.8MB

  • memory/512-281-0x0000000005CD0000-0x0000000005D36000-memory.dmp

    Filesize

    408KB

  • memory/512-272-0x0000000000A00000-0x0000000000AC6000-memory.dmp

    Filesize

    792KB

  • memory/512-273-0x0000000004F50000-0x0000000004FE2000-memory.dmp

    Filesize

    584KB

  • memory/512-279-0x00000000060B0000-0x00000000065DC000-memory.dmp

    Filesize

    5.2MB

  • memory/512-291-0x0000000007590000-0x000000000759A000-memory.dmp

    Filesize

    40KB

  • memory/512-280-0x0000000005BF0000-0x0000000005C0E000-memory.dmp

    Filesize

    120KB

  • memory/512-274-0x0000000005540000-0x0000000005A3E000-memory.dmp

    Filesize

    5.0MB

  • memory/512-276-0x00000000050C0000-0x0000000005136000-memory.dmp

    Filesize

    472KB

  • memory/672-140-0x0000000073250000-0x00000000733CB000-memory.dmp

    Filesize

    1.5MB

  • memory/672-106-0x0000000073250000-0x00000000733CB000-memory.dmp

    Filesize

    1.5MB

  • memory/672-107-0x00007FFA578E0000-0x00007FFA57ABB000-memory.dmp

    Filesize

    1.9MB

  • memory/3492-239-0x000002279E0A0000-0x000002279E1AA000-memory.dmp

    Filesize

    1.0MB

  • memory/3492-262-0x00000227A3790000-0x00000227A379A000-memory.dmp

    Filesize

    40KB

  • memory/3492-243-0x000002279DE70000-0x000002279DE94000-memory.dmp

    Filesize

    144KB

  • memory/3492-242-0x000002279DB00000-0x000002279DB14000-memory.dmp

    Filesize

    80KB

  • memory/3492-246-0x000002279E330000-0x000002279E3E2000-memory.dmp

    Filesize

    712KB

  • memory/3492-248-0x000002279E480000-0x000002279E4A2000-memory.dmp

    Filesize

    136KB

  • memory/3492-247-0x000002279E430000-0x000002279E480000-memory.dmp

    Filesize

    320KB

  • memory/3492-245-0x000002279E2F0000-0x000002279E31A000-memory.dmp

    Filesize

    168KB

  • memory/3492-244-0x00000227851F0000-0x00000227851FA000-memory.dmp

    Filesize

    40KB

  • memory/3492-241-0x000002279DB10000-0x000002279DB1C000-memory.dmp

    Filesize

    48KB

  • memory/3492-257-0x000002279E4B0000-0x000002279E7B0000-memory.dmp

    Filesize

    3.0MB

  • memory/3492-253-0x0000022785200000-0x000002278520A000-memory.dmp

    Filesize

    40KB

  • memory/3492-261-0x00000227A2660000-0x00000227A2668000-memory.dmp

    Filesize

    32KB

  • memory/3492-263-0x00000227A37B0000-0x00000227A3812000-memory.dmp

    Filesize

    392KB

  • memory/3492-264-0x00000227A3810000-0x00000227A3832000-memory.dmp

    Filesize

    136KB

  • memory/3492-265-0x00000227A3D60000-0x00000227A4286000-memory.dmp

    Filesize

    5.1MB

  • memory/3492-268-0x00000227A37A0000-0x00000227A37AC000-memory.dmp

    Filesize

    48KB

  • memory/3492-240-0x000002279DAB0000-0x000002279DAC0000-memory.dmp

    Filesize

    64KB

  • memory/3492-260-0x00000227A3490000-0x00000227A34C8000-memory.dmp

    Filesize

    224KB

  • memory/3492-259-0x00000227A2600000-0x00000227A2608000-memory.dmp

    Filesize

    32KB

  • memory/3492-269-0x00000227A38F0000-0x00000227A3966000-memory.dmp

    Filesize

    472KB

  • memory/3492-270-0x00000227A3850000-0x00000227A386E000-memory.dmp

    Filesize

    120KB

  • memory/3492-238-0x0000022780000000-0x0000022783834000-memory.dmp

    Filesize

    56.2MB

  • memory/4920-3-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4920-153-0x0000000000400000-0x0000000002B2A000-memory.dmp

    Filesize

    39.2MB

  • memory/4920-154-0x0000000004780000-0x00000000047ED000-memory.dmp

    Filesize

    436KB

  • memory/4920-155-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4920-113-0x0000000000400000-0x0000000002B2A000-memory.dmp

    Filesize

    39.2MB

  • memory/4920-1-0x0000000002BB0000-0x0000000002CB0000-memory.dmp

    Filesize

    1024KB

  • memory/4920-2-0x0000000004780000-0x00000000047ED000-memory.dmp

    Filesize

    436KB

  • memory/4960-237-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/4960-224-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/5116-225-0x0000000073250000-0x00000000733CB000-memory.dmp

    Filesize

    1.5MB

  • memory/5116-160-0x00007FFA578E0000-0x00007FFA57ABB000-memory.dmp

    Filesize

    1.9MB