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Analysis

  • max time kernel
    93s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/08/2024, 13:40

General

  • Target

    1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe

  • Size

    716KB

  • MD5

    2d6a88e10dfe5531ed92d544673dbf28

  • SHA1

    ae492a0598cc2f6edaeb6ba2c9fbc0f863a4b295

  • SHA256

    1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128

  • SHA512

    973ea348ad79ccb41ab918daa9f4563b6e4f5e1036b8f0c55dcb85cb5a37db28d298455b8c898e361d9fde1b177f709a14f0424b56d921ca257809bc8db66a37

  • SSDEEP

    12288:kU3929BC4rqhpFR/gnsb7GtDUABGSFprkijFML6n3gZ0kzmwt23xNFVH0lDkR:kU89BNuhXJgnsb7GtbFprk8qL63ENmwE

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ps15

Decoy

57797.asia

jhpwt.net

basketballdrillsforkids.com

zgzf6.rest

casinomaxnodepositbonus.icu

uptocryptonews.com

gomenasorry.com

fortanix.space

stripscity.xyz

genbotdiy.xyz

mayson-wedding.com

neb-hub.net

seancollinsmusic.com

migraine-treatment-57211.bond

prosperawoman.info

tradefairleads.tech

xn--yeminlitercme-6ob.com

xwaveevent.com

fashiontrendshub.xyz

window-replacement-80823.bond

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe
    "C:\Users\Admin\AppData\Local\Temp\1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3152
    • 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\1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2960
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KrWjeBlboEyy.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4940
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KrWjeBlboEyy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD580.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3672
    • C:\Users\Admin\AppData\Local\Temp\1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe
      "C:\Users\Admin\AppData\Local\Temp\1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    2bb49bde803e5731f985b1b471d87b53

    SHA1

    ddf5e4f19ad791c6d9dc9298be26543ef7287e37

    SHA256

    b9b14879def768e460c21c60f1e885f54becfbebc5e8de6a68bfcaa32631e815

    SHA512

    324e92206b4952d7205c2a66d85f19887987dd8cab7566575dc038f0e45930aa8fefb13beb60d4cc56ba22facb4f1846c99628da893bf9e93d78052abce09500

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2ekvdwlf.if2.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpD580.tmp

    Filesize

    1KB

    MD5

    d130cbc78f9f70d1efd93d3344f1265f

    SHA1

    1f7309241eb5ede3a6e0c8247adfa875fbf62869

    SHA256

    f7185f73050efda508723a6f6e19106938badd4ada49256bb77fcfe3b7b00d42

    SHA512

    ba94f745496a6743c3b8fa2e29bdf6bbc07bf121b30c6f209d09f77ec6a30f3e82e1d1e54387b6f57f110f680b84a3eec9eb5b18a85e1ced34adf86a1088f845

  • memory/764-44-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2960-16-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2960-19-0x0000000005430000-0x0000000005452000-memory.dmp

    Filesize

    136KB

  • memory/2960-87-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2960-80-0x0000000007B40000-0x0000000007B48000-memory.dmp

    Filesize

    32KB

  • memory/2960-79-0x0000000007B60000-0x0000000007B7A000-memory.dmp

    Filesize

    104KB

  • memory/2960-14-0x0000000002C10000-0x0000000002C46000-memory.dmp

    Filesize

    216KB

  • memory/2960-73-0x0000000007820000-0x000000000783A000-memory.dmp

    Filesize

    104KB

  • memory/2960-15-0x0000000005750000-0x0000000005D78000-memory.dmp

    Filesize

    6.2MB

  • memory/2960-17-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2960-71-0x00000000076C0000-0x0000000007763000-memory.dmp

    Filesize

    652KB

  • memory/2960-21-0x0000000005D80000-0x0000000005DE6000-memory.dmp

    Filesize

    408KB

  • memory/2960-20-0x0000000005550000-0x00000000055B6000-memory.dmp

    Filesize

    408KB

  • memory/2960-61-0x0000000075AA0000-0x0000000075AEC000-memory.dmp

    Filesize

    304KB

  • memory/2960-24-0x0000000005EF0000-0x0000000006244000-memory.dmp

    Filesize

    3.3MB

  • memory/3152-4-0x0000000004C90000-0x0000000004C9A000-memory.dmp

    Filesize

    40KB

  • memory/3152-7-0x0000000004F10000-0x0000000004F26000-memory.dmp

    Filesize

    88KB

  • memory/3152-1-0x00000000001D0000-0x0000000000284000-memory.dmp

    Filesize

    720KB

  • memory/3152-3-0x0000000004CB0000-0x0000000004D42000-memory.dmp

    Filesize

    584KB

  • memory/3152-46-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3152-6-0x0000000004F50000-0x0000000004FEC000-memory.dmp

    Filesize

    624KB

  • memory/3152-2-0x00000000051C0000-0x0000000005764000-memory.dmp

    Filesize

    5.6MB

  • memory/3152-8-0x0000000005170000-0x000000000517E000-memory.dmp

    Filesize

    56KB

  • memory/3152-9-0x0000000006070000-0x00000000060E6000-memory.dmp

    Filesize

    472KB

  • memory/3152-0-0x000000007521E000-0x000000007521F000-memory.dmp

    Filesize

    4KB

  • memory/3152-5-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4940-18-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4940-77-0x0000000007AE0000-0x0000000007AEE000-memory.dmp

    Filesize

    56KB

  • memory/4940-72-0x0000000007EF0000-0x000000000856A000-memory.dmp

    Filesize

    6.5MB

  • memory/4940-60-0x0000000006BC0000-0x0000000006BDE000-memory.dmp

    Filesize

    120KB

  • memory/4940-74-0x0000000007920000-0x000000000792A000-memory.dmp

    Filesize

    40KB

  • memory/4940-75-0x0000000007B30000-0x0000000007BC6000-memory.dmp

    Filesize

    600KB

  • memory/4940-76-0x0000000007AB0000-0x0000000007AC1000-memory.dmp

    Filesize

    68KB

  • memory/4940-50-0x0000000075AA0000-0x0000000075AEC000-memory.dmp

    Filesize

    304KB

  • memory/4940-78-0x0000000007AF0000-0x0000000007B04000-memory.dmp

    Filesize

    80KB

  • memory/4940-49-0x0000000006B60000-0x0000000006B92000-memory.dmp

    Filesize

    200KB

  • memory/4940-48-0x0000000006B10000-0x0000000006B5C000-memory.dmp

    Filesize

    304KB

  • memory/4940-83-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4940-47-0x00000000065A0000-0x00000000065BE000-memory.dmp

    Filesize

    120KB

  • memory/4940-39-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4940-23-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB