Analysis

  • max time kernel
    121s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    20-07-2023 08:08

General

  • Target

    1fd972fa7b5d9b8b1457dd025aa1ffe7.exe

  • Size

    25.6MB

  • MD5

    1fd972fa7b5d9b8b1457dd025aa1ffe7

  • SHA1

    2879d38e0b6fe1b930fafbe6415b641b5efc68e4

  • SHA256

    520044b6e34ca534c0a4d97abd318a8db37169f18f8c1e385f3d5b79df9d025d

  • SHA512

    9f5869d6e6ae67559f5a82d0841307ac1b6d09946c5ba963964d6a01e1c9aa17a229bfe30ec67e72c7f514e21c585c8ad1369bb6100d1aa16de3f829e7f527e1

  • SSDEEP

    98304:ylQKxQh+98myGsy1slENtrE7pQ8kq34vEStCAsDrP7J8yStyBCWLRV7VtC4bksxI:uQPY9mgGvkHEAsdtLRVRXgFqKQbEZxRp

Malware Config

Extracted

Family

redline

Botnet

LXIX

C2

5.35.33.167:17154

Attributes
  • auth_value

    3f30d9c8480a0830cfcc9a091fac5fca

Signatures

  • Aurora

    Aurora is a crypto wallet stealer written in Golang.

  • RedLine

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

  • RedLine payload 1 IoCs
  • Shurk

    Shurk is an infostealer, written in C++ which appeared in 2021.

  • Shurk Stealer payload 7 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1fd972fa7b5d9b8b1457dd025aa1ffe7.exe
    "C:\Users\Admin\AppData\Local\Temp\1fd972fa7b5d9b8b1457dd025aa1ffe7.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Users\Admin\AppData\Local\Temp\Aurora.exe
      "C:\Users\Admin\AppData\Local\Temp\Aurora.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:1276
    • C:\Users\Admin\AppData\Local\Temp\LXIX.exe
      "C:\Users\Admin\AppData\Local\Temp\LXIX.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2824

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Aurora.exe
    Filesize

    25.4MB

    MD5

    ad9aa927339dc830a38021afbe20a85f

    SHA1

    8017bea5f073064a27f61390ce6433cc110f55ea

    SHA256

    6815733e84bc19b0e7d24533f6295c929cd48be501b226e3a9fd12806a7a4e71

    SHA512

    43d95d09404f4407083f25ac59f9c31855ed715309037be6ba9e05d26af3ee073e786ee2d12f72f3e1fedebf8529c8b31dc2b7e485ab08b7e21fce2abcf260fd

  • C:\Users\Admin\AppData\Local\Temp\Aurora.exe
    Filesize

    25.4MB

    MD5

    ad9aa927339dc830a38021afbe20a85f

    SHA1

    8017bea5f073064a27f61390ce6433cc110f55ea

    SHA256

    6815733e84bc19b0e7d24533f6295c929cd48be501b226e3a9fd12806a7a4e71

    SHA512

    43d95d09404f4407083f25ac59f9c31855ed715309037be6ba9e05d26af3ee073e786ee2d12f72f3e1fedebf8529c8b31dc2b7e485ab08b7e21fce2abcf260fd

  • C:\Users\Admin\AppData\Local\Temp\LXIX.exe
    Filesize

    201KB

    MD5

    e25ed1abec99ab85498dbe0ac648875b

    SHA1

    739af601d9eaccae5bdc7c314d30de324f1a342b

    SHA256

    977536c6412d8d8e24310baf3515ff0992b3f29350587a0c8bcc1c279a849b6b

    SHA512

    4197d4d9248a87179055e4965a3bd543c892929378f896ef44209293b51775ba5270dd2967fe08971f4c712c2d735cbba9beee972ac0127247f1efdf2e88e6f3

  • C:\Users\Admin\AppData\Local\Temp\LXIX.exe
    Filesize

    201KB

    MD5

    e25ed1abec99ab85498dbe0ac648875b

    SHA1

    739af601d9eaccae5bdc7c314d30de324f1a342b

    SHA256

    977536c6412d8d8e24310baf3515ff0992b3f29350587a0c8bcc1c279a849b6b

    SHA512

    4197d4d9248a87179055e4965a3bd543c892929378f896ef44209293b51775ba5270dd2967fe08971f4c712c2d735cbba9beee972ac0127247f1efdf2e88e6f3

  • \Users\Admin\AppData\Local\Temp\Aurora.exe
    Filesize

    25.4MB

    MD5

    ad9aa927339dc830a38021afbe20a85f

    SHA1

    8017bea5f073064a27f61390ce6433cc110f55ea

    SHA256

    6815733e84bc19b0e7d24533f6295c929cd48be501b226e3a9fd12806a7a4e71

    SHA512

    43d95d09404f4407083f25ac59f9c31855ed715309037be6ba9e05d26af3ee073e786ee2d12f72f3e1fedebf8529c8b31dc2b7e485ab08b7e21fce2abcf260fd

  • \Users\Admin\AppData\Local\Temp\Aurora.exe
    Filesize

    25.4MB

    MD5

    ad9aa927339dc830a38021afbe20a85f

    SHA1

    8017bea5f073064a27f61390ce6433cc110f55ea

    SHA256

    6815733e84bc19b0e7d24533f6295c929cd48be501b226e3a9fd12806a7a4e71

    SHA512

    43d95d09404f4407083f25ac59f9c31855ed715309037be6ba9e05d26af3ee073e786ee2d12f72f3e1fedebf8529c8b31dc2b7e485ab08b7e21fce2abcf260fd

  • \Users\Admin\AppData\Local\Temp\Aurora.exe
    Filesize

    25.4MB

    MD5

    ad9aa927339dc830a38021afbe20a85f

    SHA1

    8017bea5f073064a27f61390ce6433cc110f55ea

    SHA256

    6815733e84bc19b0e7d24533f6295c929cd48be501b226e3a9fd12806a7a4e71

    SHA512

    43d95d09404f4407083f25ac59f9c31855ed715309037be6ba9e05d26af3ee073e786ee2d12f72f3e1fedebf8529c8b31dc2b7e485ab08b7e21fce2abcf260fd

  • \Users\Admin\AppData\Local\Temp\LXIX.exe
    Filesize

    201KB

    MD5

    e25ed1abec99ab85498dbe0ac648875b

    SHA1

    739af601d9eaccae5bdc7c314d30de324f1a342b

    SHA256

    977536c6412d8d8e24310baf3515ff0992b3f29350587a0c8bcc1c279a849b6b

    SHA512

    4197d4d9248a87179055e4965a3bd543c892929378f896ef44209293b51775ba5270dd2967fe08971f4c712c2d735cbba9beee972ac0127247f1efdf2e88e6f3

  • memory/1276-71-0x000000013F660000-0x0000000140F6B000-memory.dmp
    Filesize

    25.0MB

  • memory/1712-67-0x0000000000400000-0x0000000001DAA000-memory.dmp
    Filesize

    25.7MB

  • memory/2824-72-0x0000000000980000-0x00000000009B8000-memory.dmp
    Filesize

    224KB

  • memory/2824-73-0x0000000074220000-0x000000007490E000-memory.dmp
    Filesize

    6.9MB

  • memory/2824-74-0x0000000000340000-0x0000000000346000-memory.dmp
    Filesize

    24KB

  • memory/2824-75-0x0000000074220000-0x000000007490E000-memory.dmp
    Filesize

    6.9MB

  • memory/2824-76-0x00000000049B0000-0x00000000049F0000-memory.dmp
    Filesize

    256KB

  • memory/2824-77-0x0000000074220000-0x000000007490E000-memory.dmp
    Filesize

    6.9MB