Resubmissions

04-04-2023 11:14

230404-nb1qhsgd3w 10

General

  • Target

    file.exe

  • Size

    380KB

  • Sample

    230404-nb1qhsgd3w

  • MD5

    30b05e5b7fbc440221c4da9a84f9406d

  • SHA1

    7d5544e825664f385d24b458b50f32c9d0212365

  • SHA256

    f76ae21f9c62c095f082aba23fad1b575331a19fdb1376486b7354a784632985

  • SHA512

    c934bf1cf09e8f557f5d294cbb5ae2f9bfa68cd5c2a065e9fb005ffb6804e6774a92d5c852d683ffb268d6bd18494ea7c6e0c680426402ec339a2322f6fe3f73

  • SSDEEP

    6144:x/QiQXC2Jm+ksmpk3U9jW1U4P9bwOGBfj/WUplm6zIOYQNd28pTXdAmpCLVRZogE:pQi32s6m6URA3PhwlL//plmW9bTXeVh8

Malware Config

Extracted

Family

gcleaner

C2

45.12.253.56

45.12.253.72

45.12.253.98

45.12.253.75

Extracted

Family

socelars

C2

https://hdbywe.s3.us-west-2.amazonaws.com/dfgg320/

Extracted

Family

smokeloader

Botnet

pub2

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Targets

    • Target

      file.exe

    • Size

      380KB

    • MD5

      30b05e5b7fbc440221c4da9a84f9406d

    • SHA1

      7d5544e825664f385d24b458b50f32c9d0212365

    • SHA256

      f76ae21f9c62c095f082aba23fad1b575331a19fdb1376486b7354a784632985

    • SHA512

      c934bf1cf09e8f557f5d294cbb5ae2f9bfa68cd5c2a065e9fb005ffb6804e6774a92d5c852d683ffb268d6bd18494ea7c6e0c680426402ec339a2322f6fe3f73

    • SSDEEP

      6144:x/QiQXC2Jm+ksmpk3U9jW1U4P9bwOGBfj/WUplm6zIOYQNd28pTXdAmpCLVRZogE:pQi32s6m6URA3PhwlL//plmW9bTXeVh8

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars payload

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Software Discovery

1
T1518

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks