Analysis

  • max time kernel
    123s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    10-03-2021 13:53

General

  • Target

    638127191.exe

  • Size

    256KB

  • MD5

    5c9e61f7399d08070ee86d8796b4b126

  • SHA1

    12e16e5c06ae479d216975ac63ac6a935ec9b189

  • SHA256

    23861faf3ed06c8f76c905f6d592e3aacd4adfb0a63a3af08f94aa42c1a3f57f

  • SHA512

    bc5243e325e9c57b743bf1919b84bff709387554b2f028a37aefcfa7b0e8f61c3265666d5a99e7fc24c5cae85ed7240f6856b70e70bd3c28d236edcb7fcc4226

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 3 IoCs
  • UAC bypass 3 TTPs
  • Windows security bypass 2 TTPs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 12 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Windows security modification 2 TTPs 3 IoCs
  • 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 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 15 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\638127191.exe
    "C:\Users\Admin\AppData\Local\Temp\638127191.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1596
    • C:\Users\Admin\AppData\Local\Temp\794066702.exe
      "C:\Users\Admin\AppData\Local\Temp\794066702.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1004
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1004 -s 88
        3⤵
        • Loads dropped DLL
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1572
    • C:\Users\Admin\AppData\Local\Temp\1712476341.exe
      "C:\Users\Admin\AppData\Local\Temp\1712476341.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:1580
      • 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\1712476341.exe" -Force
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1932
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout 1
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:752
        • C:\Windows\SysWOW64\timeout.exe
          timeout 1
          4⤵
          • Delays execution with timeout.exe
          PID:1392
      • C:\Users\Admin\AppData\Local\Temp\1712476341.exe
        "C:\Users\Admin\AppData\Local\Temp\1712476341.exe"
        3⤵
        • Executes dropped EXE
        PID:1268
      • C:\Users\Admin\AppData\Local\Temp\1712476341.exe
        "C:\Users\Admin\AppData\Local\Temp\1712476341.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1300

Network

MITRE ATT&CK Matrix ATT&CK v6

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

3
T1089

Modify Registry

5
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\1712476341.exe
    MD5

    0230b090e69b97194d25a53f2d5514eb

    SHA1

    ac76b29802d240f721fb09adff57950f32989fb7

    SHA256

    1b51a62c1d975227247671411dfa82b3521e82eeaa665e420e81e1f8bf0616f7

    SHA512

    4f907e2624cf9c87c8d5aae709329f20cd59077ba370ba7b581100aa980cb9a92186b4f8436568bb0b8d1ef3551b514c967febdf2f717f3be718a8bc39035907

  • C:\Users\Admin\AppData\Local\Temp\1712476341.exe
    MD5

    0230b090e69b97194d25a53f2d5514eb

    SHA1

    ac76b29802d240f721fb09adff57950f32989fb7

    SHA256

    1b51a62c1d975227247671411dfa82b3521e82eeaa665e420e81e1f8bf0616f7

    SHA512

    4f907e2624cf9c87c8d5aae709329f20cd59077ba370ba7b581100aa980cb9a92186b4f8436568bb0b8d1ef3551b514c967febdf2f717f3be718a8bc39035907

  • C:\Users\Admin\AppData\Local\Temp\1712476341.exe
    MD5

    0230b090e69b97194d25a53f2d5514eb

    SHA1

    ac76b29802d240f721fb09adff57950f32989fb7

    SHA256

    1b51a62c1d975227247671411dfa82b3521e82eeaa665e420e81e1f8bf0616f7

    SHA512

    4f907e2624cf9c87c8d5aae709329f20cd59077ba370ba7b581100aa980cb9a92186b4f8436568bb0b8d1ef3551b514c967febdf2f717f3be718a8bc39035907

  • C:\Users\Admin\AppData\Local\Temp\1712476341.exe
    MD5

    0230b090e69b97194d25a53f2d5514eb

    SHA1

    ac76b29802d240f721fb09adff57950f32989fb7

    SHA256

    1b51a62c1d975227247671411dfa82b3521e82eeaa665e420e81e1f8bf0616f7

    SHA512

    4f907e2624cf9c87c8d5aae709329f20cd59077ba370ba7b581100aa980cb9a92186b4f8436568bb0b8d1ef3551b514c967febdf2f717f3be718a8bc39035907

  • C:\Users\Admin\AppData\Local\Temp\794066702.exe
    MD5

    58f807333c6bf89503690d4ac187a596

    SHA1

    6835874207df9383886662a5f0378e0d760c1a94

    SHA256

    18b2fb824c91d5901e2b6a2515b62de3b7b541353c5b2c79709505bc477b7b1a

    SHA512

    0eba783fdebe3c6ec2fa58cc196c23f407eddcc617d0a2904fb484efd148fba1c1aed7e3533b0c9927e192aab508ae36e5e2d4d3519b3a677cb15ca64ad71cb4

  • C:\Users\Admin\AppData\Local\Temp\794066702.exe
    MD5

    58f807333c6bf89503690d4ac187a596

    SHA1

    6835874207df9383886662a5f0378e0d760c1a94

    SHA256

    18b2fb824c91d5901e2b6a2515b62de3b7b541353c5b2c79709505bc477b7b1a

    SHA512

    0eba783fdebe3c6ec2fa58cc196c23f407eddcc617d0a2904fb484efd148fba1c1aed7e3533b0c9927e192aab508ae36e5e2d4d3519b3a677cb15ca64ad71cb4

  • \Users\Admin\AppData\Local\Temp\1712476341.exe
    MD5

    0230b090e69b97194d25a53f2d5514eb

    SHA1

    ac76b29802d240f721fb09adff57950f32989fb7

    SHA256

    1b51a62c1d975227247671411dfa82b3521e82eeaa665e420e81e1f8bf0616f7

    SHA512

    4f907e2624cf9c87c8d5aae709329f20cd59077ba370ba7b581100aa980cb9a92186b4f8436568bb0b8d1ef3551b514c967febdf2f717f3be718a8bc39035907

  • \Users\Admin\AppData\Local\Temp\1712476341.exe
    MD5

    0230b090e69b97194d25a53f2d5514eb

    SHA1

    ac76b29802d240f721fb09adff57950f32989fb7

    SHA256

    1b51a62c1d975227247671411dfa82b3521e82eeaa665e420e81e1f8bf0616f7

    SHA512

    4f907e2624cf9c87c8d5aae709329f20cd59077ba370ba7b581100aa980cb9a92186b4f8436568bb0b8d1ef3551b514c967febdf2f717f3be718a8bc39035907

  • \Users\Admin\AppData\Local\Temp\1712476341.exe
    MD5

    0230b090e69b97194d25a53f2d5514eb

    SHA1

    ac76b29802d240f721fb09adff57950f32989fb7

    SHA256

    1b51a62c1d975227247671411dfa82b3521e82eeaa665e420e81e1f8bf0616f7

    SHA512

    4f907e2624cf9c87c8d5aae709329f20cd59077ba370ba7b581100aa980cb9a92186b4f8436568bb0b8d1ef3551b514c967febdf2f717f3be718a8bc39035907

  • \Users\Admin\AppData\Local\Temp\794066702.exe
    MD5

    58f807333c6bf89503690d4ac187a596

    SHA1

    6835874207df9383886662a5f0378e0d760c1a94

    SHA256

    18b2fb824c91d5901e2b6a2515b62de3b7b541353c5b2c79709505bc477b7b1a

    SHA512

    0eba783fdebe3c6ec2fa58cc196c23f407eddcc617d0a2904fb484efd148fba1c1aed7e3533b0c9927e192aab508ae36e5e2d4d3519b3a677cb15ca64ad71cb4

  • \Users\Admin\AppData\Local\Temp\794066702.exe
    MD5

    58f807333c6bf89503690d4ac187a596

    SHA1

    6835874207df9383886662a5f0378e0d760c1a94

    SHA256

    18b2fb824c91d5901e2b6a2515b62de3b7b541353c5b2c79709505bc477b7b1a

    SHA512

    0eba783fdebe3c6ec2fa58cc196c23f407eddcc617d0a2904fb484efd148fba1c1aed7e3533b0c9927e192aab508ae36e5e2d4d3519b3a677cb15ca64ad71cb4

  • \Users\Admin\AppData\Local\Temp\794066702.exe
    MD5

    58f807333c6bf89503690d4ac187a596

    SHA1

    6835874207df9383886662a5f0378e0d760c1a94

    SHA256

    18b2fb824c91d5901e2b6a2515b62de3b7b541353c5b2c79709505bc477b7b1a

    SHA512

    0eba783fdebe3c6ec2fa58cc196c23f407eddcc617d0a2904fb484efd148fba1c1aed7e3533b0c9927e192aab508ae36e5e2d4d3519b3a677cb15ca64ad71cb4

  • \Users\Admin\AppData\Local\Temp\794066702.exe
    MD5

    58f807333c6bf89503690d4ac187a596

    SHA1

    6835874207df9383886662a5f0378e0d760c1a94

    SHA256

    18b2fb824c91d5901e2b6a2515b62de3b7b541353c5b2c79709505bc477b7b1a

    SHA512

    0eba783fdebe3c6ec2fa58cc196c23f407eddcc617d0a2904fb484efd148fba1c1aed7e3533b0c9927e192aab508ae36e5e2d4d3519b3a677cb15ca64ad71cb4

  • \Users\Admin\AppData\Local\Temp\794066702.exe
    MD5

    58f807333c6bf89503690d4ac187a596

    SHA1

    6835874207df9383886662a5f0378e0d760c1a94

    SHA256

    18b2fb824c91d5901e2b6a2515b62de3b7b541353c5b2c79709505bc477b7b1a

    SHA512

    0eba783fdebe3c6ec2fa58cc196c23f407eddcc617d0a2904fb484efd148fba1c1aed7e3533b0c9927e192aab508ae36e5e2d4d3519b3a677cb15ca64ad71cb4

  • \Users\Admin\AppData\Local\Temp\794066702.exe
    MD5

    58f807333c6bf89503690d4ac187a596

    SHA1

    6835874207df9383886662a5f0378e0d760c1a94

    SHA256

    18b2fb824c91d5901e2b6a2515b62de3b7b541353c5b2c79709505bc477b7b1a

    SHA512

    0eba783fdebe3c6ec2fa58cc196c23f407eddcc617d0a2904fb484efd148fba1c1aed7e3533b0c9927e192aab508ae36e5e2d4d3519b3a677cb15ca64ad71cb4

  • \Users\Admin\AppData\Local\Temp\794066702.exe
    MD5

    58f807333c6bf89503690d4ac187a596

    SHA1

    6835874207df9383886662a5f0378e0d760c1a94

    SHA256

    18b2fb824c91d5901e2b6a2515b62de3b7b541353c5b2c79709505bc477b7b1a

    SHA512

    0eba783fdebe3c6ec2fa58cc196c23f407eddcc617d0a2904fb484efd148fba1c1aed7e3533b0c9927e192aab508ae36e5e2d4d3519b3a677cb15ca64ad71cb4

  • \Users\Admin\AppData\Local\Temp\794066702.exe
    MD5

    58f807333c6bf89503690d4ac187a596

    SHA1

    6835874207df9383886662a5f0378e0d760c1a94

    SHA256

    18b2fb824c91d5901e2b6a2515b62de3b7b541353c5b2c79709505bc477b7b1a

    SHA512

    0eba783fdebe3c6ec2fa58cc196c23f407eddcc617d0a2904fb484efd148fba1c1aed7e3533b0c9927e192aab508ae36e5e2d4d3519b3a677cb15ca64ad71cb4

  • \Users\Admin\AppData\Local\Temp\794066702.exe
    MD5

    58f807333c6bf89503690d4ac187a596

    SHA1

    6835874207df9383886662a5f0378e0d760c1a94

    SHA256

    18b2fb824c91d5901e2b6a2515b62de3b7b541353c5b2c79709505bc477b7b1a

    SHA512

    0eba783fdebe3c6ec2fa58cc196c23f407eddcc617d0a2904fb484efd148fba1c1aed7e3533b0c9927e192aab508ae36e5e2d4d3519b3a677cb15ca64ad71cb4

  • memory/752-45-0x0000000000000000-mapping.dmp
  • memory/1004-18-0x0000000000000000-mapping.dmp
  • memory/1300-59-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/1300-55-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/1300-56-0x000000000041E192-mapping.dmp
  • memory/1300-58-0x00000000743D0000-0x0000000074ABE000-memory.dmp
    Filesize

    6.9MB

  • memory/1300-96-0x00000000045C0000-0x00000000045C1000-memory.dmp
    Filesize

    4KB

  • memory/1392-46-0x0000000000000000-mapping.dmp
  • memory/1572-41-0x0000000000240000-0x0000000000241000-memory.dmp
    Filesize

    4KB

  • memory/1572-26-0x0000000002170000-0x0000000002181000-memory.dmp
    Filesize

    68KB

  • memory/1572-38-0x0000000002660000-0x0000000002671000-memory.dmp
    Filesize

    68KB

  • memory/1572-20-0x0000000000000000-mapping.dmp
  • memory/1572-22-0x0000000002170000-0x0000000002181000-memory.dmp
    Filesize

    68KB

  • memory/1580-23-0x0000000000000000-mapping.dmp
  • memory/1580-42-0x0000000005D60000-0x0000000005DF6000-memory.dmp
    Filesize

    600KB

  • memory/1580-40-0x0000000000C30000-0x0000000000C31000-memory.dmp
    Filesize

    4KB

  • memory/1580-36-0x0000000000C90000-0x0000000000C91000-memory.dmp
    Filesize

    4KB

  • memory/1580-35-0x00000000743D0000-0x0000000074ABE000-memory.dmp
    Filesize

    6.9MB

  • memory/1596-4-0x0000000000810000-0x000000000081A000-memory.dmp
    Filesize

    40KB

  • memory/1596-13-0x0000000000880000-0x0000000000889000-memory.dmp
    Filesize

    36KB

  • memory/1596-12-0x00000000049D3000-0x00000000049D4000-memory.dmp
    Filesize

    4KB

  • memory/1596-2-0x0000000001F90000-0x0000000001FA1000-memory.dmp
    Filesize

    68KB

  • memory/1596-14-0x00000000049D4000-0x00000000049D6000-memory.dmp
    Filesize

    8KB

  • memory/1596-3-0x00000000743D0000-0x0000000074ABE000-memory.dmp
    Filesize

    6.9MB

  • memory/1596-10-0x00000000049D1000-0x00000000049D2000-memory.dmp
    Filesize

    4KB

  • memory/1596-11-0x00000000049D2000-0x00000000049D3000-memory.dmp
    Filesize

    4KB

  • memory/1932-44-0x0000000075781000-0x0000000075783000-memory.dmp
    Filesize

    8KB

  • memory/1932-51-0x0000000004942000-0x0000000004943000-memory.dmp
    Filesize

    4KB

  • memory/1932-50-0x0000000004940000-0x0000000004941000-memory.dmp
    Filesize

    4KB

  • memory/1932-49-0x0000000004980000-0x0000000004981000-memory.dmp
    Filesize

    4KB

  • memory/1932-48-0x0000000000D00000-0x0000000000D01000-memory.dmp
    Filesize

    4KB

  • memory/1932-47-0x00000000743D0000-0x0000000074ABE000-memory.dmp
    Filesize

    6.9MB

  • memory/1932-61-0x00000000024A0000-0x00000000024A1000-memory.dmp
    Filesize

    4KB

  • memory/1932-62-0x0000000005240000-0x0000000005241000-memory.dmp
    Filesize

    4KB

  • memory/1932-65-0x0000000005650000-0x0000000005651000-memory.dmp
    Filesize

    4KB

  • memory/1932-70-0x0000000006050000-0x0000000006051000-memory.dmp
    Filesize

    4KB

  • memory/1932-71-0x000000007EF30000-0x000000007EF31000-memory.dmp
    Filesize

    4KB

  • memory/1932-72-0x00000000060A0000-0x00000000060A1000-memory.dmp
    Filesize

    4KB

  • memory/1932-79-0x0000000006240000-0x0000000006241000-memory.dmp
    Filesize

    4KB

  • memory/1932-80-0x0000000005610000-0x0000000005611000-memory.dmp
    Filesize

    4KB

  • memory/1932-94-0x00000000062C0000-0x00000000062C1000-memory.dmp
    Filesize

    4KB

  • memory/1932-95-0x0000000006310000-0x0000000006311000-memory.dmp
    Filesize

    4KB

  • memory/1932-43-0x0000000000000000-mapping.dmp