General

  • Target

    7c2a21d3187176310f83181a3e6c8c58.exe

  • Size

    860KB

  • Sample

    220809-vfn1vadcen

  • MD5

    7c2a21d3187176310f83181a3e6c8c58

  • SHA1

    f5d472d3a3d201a788194d3c0b41d830ed443f21

  • SHA256

    72a40d2a9f86e23a04a0748441fb122b7c931e1b58b2cba7ca2f5fd7c3ffd4b0

  • SHA512

    85851af414f93a095e31164f00df9961a7363cc8e43f398d8417f2337c7b4ddcd0b0042a617f2905d7c40b7cca5ae1089eba3688465e3ef19ce7fd5e489bdbbe

Malware Config

Extracted

Family

redline

Botnet

nam3

C2

103.89.90.61:18728

Attributes
  • auth_value

    64b900120bbceaa6a9c60e9079492895

Extracted

Family

redline

Botnet

4

C2

31.41.244.134:11643

Attributes
  • auth_value

    a516b2d034ecd34338f12b50347fbd92

Extracted

Family

redline

Botnet

@tag12312341

C2

62.204.41.144:14096

Attributes
  • auth_value

    71466795417275fac01979e57016e277

Extracted

Family

redline

Botnet

5076357887

C2

195.54.170.157:16525

Attributes
  • auth_value

    0dfaff60271d374d0c206d19883e06f3

Extracted

Family

redline

Botnet

alfa

C2

46.175.148.142:32178

Attributes
  • auth_value

    5f6c4b42c0bce31d7557ce1726a401c5

Extracted

Family

raccoon

Botnet

afb5c633c4650f69312baef49db9dfa4

C2

http://77.73.132.74

rc4.plain

Extracted

Family

raccoon

Botnet

f0c8034c83808635df0d9d8726d1bfd6

C2

http://45.95.11.158/

rc4.plain

Targets

    • Target

      7c2a21d3187176310f83181a3e6c8c58.exe

    • Size

      860KB

    • MD5

      7c2a21d3187176310f83181a3e6c8c58

    • SHA1

      f5d472d3a3d201a788194d3c0b41d830ed443f21

    • SHA256

      72a40d2a9f86e23a04a0748441fb122b7c931e1b58b2cba7ca2f5fd7c3ffd4b0

    • SHA512

      85851af414f93a095e31164f00df9961a7363cc8e43f398d8417f2337c7b4ddcd0b0042a617f2905d7c40b7cca5ae1089eba3688465e3ef19ce7fd5e489bdbbe

    • Modifies security service

    • Raccoon

      Raccoon is an infostealer written in C++ and first seen in 2019.

    • Raccoon Stealer payload

    • RedLine

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

    • RedLine payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Enumerates VirtualBox DLL files

    • Looks for VirtualBox drivers on disk

    • Looks for VirtualBox executables on disk

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Looks for VMWare drivers on disk

    • Possible privilege escalation attempt

    • Stops running service(s)

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

4
T1112

Virtualization/Sandbox Evasion

4
T1497

Impair Defenses

1
T1562

File Permissions Modification

1
T1222

Credential Access

Credentials in Files

3
T1081

Discovery

File and Directory Discovery

4
T1083

Virtualization/Sandbox Evasion

4
T1497

Query Registry

4
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks