Analysis

  • max time kernel
    314s
  • max time network
    322s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    17/11/2023, 03:35

General

  • Target
    b4591551e3ef6ddbd28789dca18363b860900a7a40372302b1ee7b0c78e681e9.exe
  • Size 443KB
  • Sample231117-d5rplafd71
  • SHA256 b4591551e3ef6ddbd28789dca18363b860900a7a40372302b1ee7b0c78e681e9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Detected potential entity reuse from brand microsoft.
  • Drops file in Windows directory 5 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4591551e3ef6ddbd28789dca18363b860900a7a40372302b1ee7b0c78e681e9.exe
    "C:\Users\Admin\AppData\Local\Temp\b4591551e3ef6ddbd28789dca18363b860900a7a40372302b1ee7b0c78e681e9.exe"
    1⤵
    • Checks computer location settings
    PID:812
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1844
  • C:\Windows\system32\browser_broker.exe
    C:\Windows\system32\browser_broker.exe -Embedding
    1⤵
    • Modifies Internet Explorer settings
    PID:912
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies registry class
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4460
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:3644
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    PID:2212
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    PID:212
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4140
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies registry class
    PID:204
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies registry class
    PID:3692

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        57C8EDB95DF3F0AD4EE2DC2B8CFD4157

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
        • Size 4KB
        • SHA256 9cf94355051bf0f4a45724ca20d1cc02f76371b963ab7d1e38bd8997737b13d8
        • MD5 SHA1 SHA512 SSDEEP

        edgecompatviewlist[1].xml

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\F01YT1OE\edgecompatviewlist[1].xml
        • Size 74KB
        • SHA256 853d2f4eb81c9fdcea2ee079f6faf98214b111b77cdf68709b38989d123890f1
        • MD5 SHA1 SHA512 SSDEEP

        wcp-consent[1].js

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\Cache\86IP7JEL\wcp-consent[1].js
        • Size 272KB
        • SHA256 c688d3f2135b6b51617a306a0b1a665324402a00a6bceba475881af281503ad9
        • MD5 SHA1 SHA512 SSDEEP

        ms.jsll-3.min[2].js

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\Cache\EEV0TRMF\ms.jsll-3.min[2].js
        • Size 180KB
        • SHA256 ed20090ab9eac537cd83a784f70dd61f1ea14da013e0e9c38174bfc691353304
        • MD5 SHA1 SHA512 SSDEEP

        tex-mml-chtml[1].js

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\Cache\EEV0TRMF\tex-mml-chtml[1].js
        • Size 1.1MB
        • SHA256 300480069078b5892d2363a2b65e2dfbbf30fe5c80f83edbfecf4610fd093862
        • MD5 SHA1 SHA512 SSDEEP

        suggestions[1].en-US

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\MicrosoftEdge\Cache\957PYXO6\suggestions[1].en-US
        • Size 17KB
        • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
        • MD5 SHA1 SHA512 SSDEEP

        favicon[1].ico

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\MicrosoftEdge\Cache\MOLEDMU3\favicon[1].ico
        • Size 16KB
        • SHA256 90cdaf487716184e4034000935c605d1633926d348116d198f355a98b8c6cd21
        • MD5 SHA1 SHA512 SSDEEP

        imagestore.dat

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\MicrosoftEdge\User\Default\ImageStore\0g577sb\imagestore.dat
        • Size 26KB
        • SHA256 d9740ce55ff85541f6d4e761e4a92d93b7b25fcb26e77d3df1e090e0a234fda8
        • MD5 SHA1 SHA512 SSDEEP

        331a0985.index-docs[1].js

        • Path C:\Users\Admin\AppData\Local\Packages\microsoft.microsoftedge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\Cache\86IP7JEL\331a0985.index-docs[1].js
        • Size 2.1MB
        • SHA256 8a9367c986e3c53bd1831e5df1fe045669beff82de8fa490a82f9abe653276ae
        • MD5 SHA1 SHA512 SSDEEP

        67a45209.deprecation[1].js

        • Path C:\Users\Admin\AppData\Local\Packages\microsoft.microsoftedge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\Cache\86IP7JEL\67a45209.deprecation[1].js
        • Size 1KB
        • SHA256 f8ae8a1dc7ce7877b9fb9299183d2ebb3befad0b6489ae785d99047ec2eb92d1
        • MD5 SHA1 SHA512

        application-not-started[1].htm

        • Path C:\Users\Admin\AppData\Local\Packages\microsoft.microsoftedge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\Cache\86IP7JEL\application-not-started[1].htm
        • Size 46KB
        • SHA256 b07463b8a46d3e3ce1a2431b4bf85a62c5a6056b11bd3d5ad10fc13ee155c2e8
        • MD5 SHA1 SHA512 SSDEEP

        SegoeUI-Roman-VF_web[1].woff2

        • Path C:\Users\Admin\AppData\Local\Packages\microsoft.microsoftedge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\Cache\EEV0TRMF\SegoeUI-Roman-VF_web[1].woff2
        • Size 115KB
        • SHA256 63c12051016796d92bcf4bc20b4881057475e6dfa4937c29c9e16054814ab47d
        • MD5 SHA1 SHA512 SSDEEP

        latest[1].woff2

        • Path C:\Users\Admin\AppData\Local\Packages\microsoft.microsoftedge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\Cache\EEV0TRMF\latest[1].woff2
        • Size 26KB
        • SHA256 e172a02b68f977a57a1690507df809db1e43130f0161961709a36dbd70b4d25f
        • MD5 SHA1 SHA512 SSDEEP

        44daae31.site-ltr[1].css

        • Path C:\Users\Admin\AppData\Local\Packages\microsoft.microsoftedge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\Cache\L4S66MFM\44daae31.site-ltr[1].css
        • Size 440KB
        • SHA256 a13ad0af99483c5a5d02a526a728a87cc0ddd8ac59f798f863b6ad7625e9cd74
        • MD5 SHA1 SHA512 SSDEEP

        logo_net[1].svg

        • Path C:\Users\Admin\AppData\Local\Packages\microsoft.microsoftedge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\Cache\L4S66MFM\logo_net[1].svg
        • Size 1KB
        • SHA256 8e34f3807b4bf495d8954e7229681da8d0dd101dd6ddc2ad7f90cd2983802b44
        • MD5 SHA1 SHA512

        docons.0d89a39d[1].woff2

        • Path C:\Users\Admin\AppData\Local\Packages\microsoft.microsoftedge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\Cache\LZCYWIMP\docons.0d89a39d[1].woff2
        • Size 17KB
        • SHA256 0fe5ae085cd6f60c0ad6c811144258f8c19c2c383aa031f9bfe840e2b43e8f08
        • MD5 SHA1 SHA512 SSDEEP

        learn.microsoft[1].xml

        • Path C:\Users\Admin\AppData\Local\Packages\microsoft.microsoftedge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\User\Default\DOMStore\AGNG1BKK\learn.microsoft[1].xml
        • Size 13B
        • SHA256 b71e4d17274636b97179ba2d97c742735b6510eb54f22893d3a2daff2ceb28db
        • MD5 SHA1 SHA512

        6BADA8974A10C4BD62CC921D13E43B18_AD319D6DA1A11BC83AC8B4E4D3638231

        • Path C:\Users\Admin\AppData\Local\Packages\microsoft.microsoftedge_8wekyb3d8bbwe\AC\#!001\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_AD319D6DA1A11BC83AC8B4E4D3638231
        • Size 1KB
        • SHA256 7a4ecd99149b5cd86b2b8d948c0f8ccd97eebb9ecef952d4b27a8a8c1dd2ee4b
        • MD5 SHA1 SHA512

        80237EE4964FC9C409AAF55BF996A292_D46D6FA25B74360E1349F9015B5CCE53

        • Path C:\Users\Admin\AppData\Local\Packages\microsoft.microsoftedge_8wekyb3d8bbwe\AC\#!001\Microsoft\CryptnetUrlCache\Content\80237EE4964FC9C409AAF55BF996A292_D46D6FA25B74360E1349F9015B5CCE53
        • Size 471B
        • SHA256 5bc0105dde9fa587735a4f6247fa67bf77284d623c49eadc54ff967dcc4ffcb3
        • MD5 SHA1 SHA512

        B398B80134F72209547439DB21AB308D_A4CF52CCA82D7458083F7280801A3A04

        • Path C:\Users\Admin\AppData\Local\Packages\microsoft.microsoftedge_8wekyb3d8bbwe\AC\#!001\Microsoft\CryptnetUrlCache\Content\B398B80134F72209547439DB21AB308D_A4CF52CCA82D7458083F7280801A3A04
        • Size 471B
        • SHA256 1d77eac0c3b887b1045f6719bd20f105478a7348ad180f5aaa83c9d6e57b9cd1
        • MD5 SHA1 SHA512

        6BADA8974A10C4BD62CC921D13E43B18_AD319D6DA1A11BC83AC8B4E4D3638231

        • Path C:\Users\Admin\AppData\Local\Packages\microsoft.microsoftedge_8wekyb3d8bbwe\AC\#!001\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_AD319D6DA1A11BC83AC8B4E4D3638231
        • Size 404B
        • SHA256 802fb0288f333001136722aade68d217fefec4aa5542f4285a4ce6ec11f627db
        • MD5 SHA1 SHA512

        80237EE4964FC9C409AAF55BF996A292_D46D6FA25B74360E1349F9015B5CCE53

        • Path C:\Users\Admin\AppData\Local\Packages\microsoft.microsoftedge_8wekyb3d8bbwe\AC\#!001\Microsoft\CryptnetUrlCache\MetaData\80237EE4964FC9C409AAF55BF996A292_D46D6FA25B74360E1349F9015B5CCE53
        • Size 412B
        • SHA256 6b4d11c34a05eacc7ecc19c979eddfc53b6a8528e8342498fc2c5ff1b1833a80
        • MD5 SHA1 SHA512

        B398B80134F72209547439DB21AB308D_A4CF52CCA82D7458083F7280801A3A04

        • Path C:\Users\Admin\AppData\Local\Packages\microsoft.microsoftedge_8wekyb3d8bbwe\AC\#!001\Microsoft\CryptnetUrlCache\MetaData\B398B80134F72209547439DB21AB308D_A4CF52CCA82D7458083F7280801A3A04
        • Size 400B
        • SHA256 dc6829267cba62660a40815e1ea5ed9ac3a3ec3f464bdb1782e7624a816b7786
        • MD5 SHA1 SHA512

        B398B80134F72209547439DB21AB308D_A4CF52CCA82D7458083F7280801A3A04

        • Path C:\Users\Admin\AppData\Local\Packages\microsoft.microsoftedge_8wekyb3d8bbwe\AC\#!001\Microsoft\CryptnetUrlCache\MetaData\B398B80134F72209547439DB21AB308D_A4CF52CCA82D7458083F7280801A3A04
        • Size 400B
        • SHA256 8568e97afb1ecaec483adae4a6f14a2cf28149e2ca99cd0710d8d40245f920b8
        • MD5 SHA1 SHA512

        memory/212-82-0x000001FFA2370000-0x000001FFA2372000-memory.dmp

        memory/212-224-0x000001FFB8AE0000-0x000001FFB8AE2000-memory.dmp

        memory/212-135-0x000001FFB3730000-0x000001FFB3750000-memory.dmp

        memory/212-136-0x000001FFB4000000-0x000001FFB4100000-memory.dmp

        memory/212-158-0x000001FFB8520000-0x000001FFB8540000-memory.dmp

        memory/212-204-0x000001FFB4000000-0x000001FFB4100000-memory.dmp

        memory/212-77-0x000001FFA2320000-0x000001FFA2322000-memory.dmp

        memory/212-80-0x000001FFA2350000-0x000001FFA2352000-memory.dmp

        memory/212-218-0x000001FFB8AA0000-0x000001FFB8AA2000-memory.dmp

        memory/212-211-0x000001FFB42F0000-0x000001FFB42F2000-memory.dmp

        memory/812-1-0x0000000000540000-0x000000000059A000-memory.dmp

        memory/812-0-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/1844-264-0x0000022A6F340000-0x0000022A6F341000-memory.dmp

        memory/1844-263-0x0000022A6F330000-0x0000022A6F331000-memory.dmp

        memory/1844-40-0x0000022A674E0000-0x0000022A674E2000-memory.dmp

        memory/1844-21-0x0000022A68C00000-0x0000022A68C10000-memory.dmp

        memory/1844-5-0x0000022A68220000-0x0000022A68230000-memory.dmp

        memory/2212-134-0x000001A974DE0000-0x000001A974E00000-memory.dmp

        memory/2212-202-0x000001A977800000-0x000001A977900000-memory.dmp

        memory/2212-169-0x000001A976810000-0x000001A976830000-memory.dmp