Analysis

  • max time kernel
    53s
  • max time network
    72s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    31-03-2023 20:31

General

  • Target

    3881a4bed1ca5f3005defcf17701ef410eaa25c9bf37608badc93d33ff561fc2.exe

  • Size

    533KB

  • MD5

    cff92830194d5a8afc8483a1bb2075c1

  • SHA1

    3e53e14283f7a1edb525289559d9f8bd93a59b36

  • SHA256

    3881a4bed1ca5f3005defcf17701ef410eaa25c9bf37608badc93d33ff561fc2

  • SHA512

    40cb090bfb6f184c3c19d1566a26c3d547a3e68d5d81a5695a766b9d5f9e82b6121ee7414e7485e24ae8dd395fc420d3cce621c4f25306f4d5264c6ac7a0da9c

  • SSDEEP

    12288:6MrSy90vvFO19cig9j7uGUC3LqH0nF28wBRd:EyQ0MiKuGUC3Gr1d

Malware Config

Extracted

Family

redline

Botnet

rosn

C2

176.113.115.145:4125

Attributes
  • auth_value

    050a19e1db4d0024b0f23b37dcf961f4

Extracted

Family

redline

Botnet

spora

C2

176.113.115.145:4125

Attributes
  • auth_value

    441b39ab37774b2ca9931c31e1bc6071

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 5 IoCs
  • RedLine

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

  • RedLine payload 35 IoCs
  • Executes dropped EXE 4 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 1 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3881a4bed1ca5f3005defcf17701ef410eaa25c9bf37608badc93d33ff561fc2.exe
    "C:\Users\Admin\AppData\Local\Temp\3881a4bed1ca5f3005defcf17701ef410eaa25c9bf37608badc93d33ff561fc2.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3848
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zicB1038.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zicB1038.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4104
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr442411.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr442411.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4100
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku755616.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku755616.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4244
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr493233.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr493233.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4704

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr493233.exe
    Filesize

    175KB

    MD5

    31b80a32e8683abf5f7db282efef6b7b

    SHA1

    9b00ccb5d04e87a4a07a29940ce6e9edc4a19502

    SHA256

    a2dd5b67b18035fc9066f621cdd1dc728d0be9bebfe3e789554223f42de0c732

    SHA512

    0bf24cb6b235a8b9ff1f55bf8479622de75db422f56242560ea8da4f2b46dc23817b75b6239cc05a1572405982f8cd2fe3cae01c15427bc98abad3ce79f41b62

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr493233.exe
    Filesize

    175KB

    MD5

    31b80a32e8683abf5f7db282efef6b7b

    SHA1

    9b00ccb5d04e87a4a07a29940ce6e9edc4a19502

    SHA256

    a2dd5b67b18035fc9066f621cdd1dc728d0be9bebfe3e789554223f42de0c732

    SHA512

    0bf24cb6b235a8b9ff1f55bf8479622de75db422f56242560ea8da4f2b46dc23817b75b6239cc05a1572405982f8cd2fe3cae01c15427bc98abad3ce79f41b62

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zicB1038.exe
    Filesize

    391KB

    MD5

    74cb5b639727f692d2e3adb727dcedb9

    SHA1

    aa4a8815d72aad52efc74770505b34a1e5d69dcb

    SHA256

    1d39485e55a0934f334ad0be099f619a32b192d8be23c6813eb6c036e0415343

    SHA512

    6ede5ee7948f6e91bbdd0cfdb28817232e0f9d8daa1e0e5b1ab48a03f93ec4936f307d0f4a647bc7c20002208f564e4e7b7896ec06e63c32a246ec0a248314ee

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zicB1038.exe
    Filesize

    391KB

    MD5

    74cb5b639727f692d2e3adb727dcedb9

    SHA1

    aa4a8815d72aad52efc74770505b34a1e5d69dcb

    SHA256

    1d39485e55a0934f334ad0be099f619a32b192d8be23c6813eb6c036e0415343

    SHA512

    6ede5ee7948f6e91bbdd0cfdb28817232e0f9d8daa1e0e5b1ab48a03f93ec4936f307d0f4a647bc7c20002208f564e4e7b7896ec06e63c32a246ec0a248314ee

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr442411.exe
    Filesize

    11KB

    MD5

    c8a8cea45e9b40590620ed7be3a231aa

    SHA1

    104f68acbfb921ed2e7bf6fb35f427643e7bbc2c

    SHA256

    e8777b31dbbc5db5ca15255be6ba323e57a5ca6eefe1f775d35bb05925af4aa1

    SHA512

    c59e0d5da5c966524f2370a5877212a3cfc9fc628ac7a09608bac67a13e5325c3858e50131fa4e0b1e6cdc036e48c481d40cfceeebf5cc52ab050ca1ff77f7d1

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr442411.exe
    Filesize

    11KB

    MD5

    c8a8cea45e9b40590620ed7be3a231aa

    SHA1

    104f68acbfb921ed2e7bf6fb35f427643e7bbc2c

    SHA256

    e8777b31dbbc5db5ca15255be6ba323e57a5ca6eefe1f775d35bb05925af4aa1

    SHA512

    c59e0d5da5c966524f2370a5877212a3cfc9fc628ac7a09608bac67a13e5325c3858e50131fa4e0b1e6cdc036e48c481d40cfceeebf5cc52ab050ca1ff77f7d1

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku755616.exe
    Filesize

    359KB

    MD5

    2fc78408e42248d2d4b9f5b9b617ca64

    SHA1

    599705ea37458bdb536cf2b5937cd7b9b0a26e8e

    SHA256

    ade266ecb11733fc671adf280deca4a9ba04b6c2104a3f19f5867530acc99de0

    SHA512

    9da6fa138086b005560b5f1a269934df8892dfdd22c623be575849cda69bc47fe493bdae72d334d27ec5783e6e400f28f0c6c2e2366e27f5d53d6afb3d0505fd

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku755616.exe
    Filesize

    359KB

    MD5

    2fc78408e42248d2d4b9f5b9b617ca64

    SHA1

    599705ea37458bdb536cf2b5937cd7b9b0a26e8e

    SHA256

    ade266ecb11733fc671adf280deca4a9ba04b6c2104a3f19f5867530acc99de0

    SHA512

    9da6fa138086b005560b5f1a269934df8892dfdd22c623be575849cda69bc47fe493bdae72d334d27ec5783e6e400f28f0c6c2e2366e27f5d53d6afb3d0505fd

  • memory/4100-131-0x0000000000D30000-0x0000000000D3A000-memory.dmp
    Filesize

    40KB

  • memory/4244-137-0x0000000006050000-0x0000000006096000-memory.dmp
    Filesize

    280KB

  • memory/4244-138-0x00000000061D0000-0x00000000066CE000-memory.dmp
    Filesize

    5.0MB

  • memory/4244-139-0x00000000060D0000-0x0000000006114000-memory.dmp
    Filesize

    272KB

  • memory/4244-140-0x0000000001E00000-0x0000000001E4B000-memory.dmp
    Filesize

    300KB

  • memory/4244-141-0x00000000061C0000-0x00000000061D0000-memory.dmp
    Filesize

    64KB

  • memory/4244-142-0x00000000061C0000-0x00000000061D0000-memory.dmp
    Filesize

    64KB

  • memory/4244-143-0x00000000061C0000-0x00000000061D0000-memory.dmp
    Filesize

    64KB

  • memory/4244-144-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-145-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-147-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-149-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-151-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-153-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-155-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-157-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-159-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-161-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-163-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-165-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-167-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-169-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-171-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-173-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-175-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-177-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-179-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-181-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-183-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-185-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-187-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-189-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-191-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-193-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-195-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-197-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-199-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-201-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-203-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-207-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-205-0x00000000060D0000-0x000000000610F000-memory.dmp
    Filesize

    252KB

  • memory/4244-1050-0x00000000066D0000-0x0000000006CD6000-memory.dmp
    Filesize

    6.0MB

  • memory/4244-1051-0x0000000006CE0000-0x0000000006DEA000-memory.dmp
    Filesize

    1.0MB

  • memory/4244-1052-0x0000000006DF0000-0x0000000006E02000-memory.dmp
    Filesize

    72KB

  • memory/4244-1053-0x0000000006E10000-0x0000000006E4E000-memory.dmp
    Filesize

    248KB

  • memory/4244-1054-0x0000000006F50000-0x0000000006F9B000-memory.dmp
    Filesize

    300KB

  • memory/4244-1055-0x00000000061C0000-0x00000000061D0000-memory.dmp
    Filesize

    64KB

  • memory/4244-1057-0x00000000070E0000-0x0000000007172000-memory.dmp
    Filesize

    584KB

  • memory/4244-1058-0x0000000007180000-0x00000000071E6000-memory.dmp
    Filesize

    408KB

  • memory/4244-1059-0x00000000061C0000-0x00000000061D0000-memory.dmp
    Filesize

    64KB

  • memory/4244-1060-0x00000000061C0000-0x00000000061D0000-memory.dmp
    Filesize

    64KB

  • memory/4244-1061-0x00000000061C0000-0x00000000061D0000-memory.dmp
    Filesize

    64KB

  • memory/4244-1062-0x0000000007960000-0x00000000079D6000-memory.dmp
    Filesize

    472KB

  • memory/4244-1063-0x00000000079F0000-0x0000000007A40000-memory.dmp
    Filesize

    320KB

  • memory/4244-1064-0x00000000061C0000-0x00000000061D0000-memory.dmp
    Filesize

    64KB

  • memory/4244-1065-0x0000000008E70000-0x0000000009032000-memory.dmp
    Filesize

    1.8MB

  • memory/4244-1066-0x0000000009040000-0x000000000956C000-memory.dmp
    Filesize

    5.2MB

  • memory/4704-1072-0x0000000000980000-0x00000000009B2000-memory.dmp
    Filesize

    200KB

  • memory/4704-1073-0x00000000053C0000-0x000000000540B000-memory.dmp
    Filesize

    300KB

  • memory/4704-1074-0x0000000005570000-0x0000000005580000-memory.dmp
    Filesize

    64KB

  • memory/4704-1075-0x0000000005570000-0x0000000005580000-memory.dmp
    Filesize

    64KB