General

  • Target

    6ced9e727c4a65bccd446cfd6b6222f5261c5ac97a798ddb729a931492c654b7

  • Size

    210KB

  • Sample

    230115-y1vwnsff61

  • MD5

    9ab2e2eb1ac2586e07d6104d01cd1b90

  • SHA1

    b6f267f80605be7aa59691f4ce0779572a59abb7

  • SHA256

    6ced9e727c4a65bccd446cfd6b6222f5261c5ac97a798ddb729a931492c654b7

  • SHA512

    c7863e97837427614eac42e64c89b5e0cb943ee4978c3267146cd977055a57476ca4cdf80a033120584ad5f66cbbd427496bceeebc6dc8103f76d577ca3dac45

  • SSDEEP

    3072:HX1QDSkCkos5p4msqoovTbx/np2u7LBwcri:343EmNDPmuv

Malware Config

Extracted

Family

lumma

C2

77.73.134.68

Targets

    • Target

      6ced9e727c4a65bccd446cfd6b6222f5261c5ac97a798ddb729a931492c654b7

    • Size

      210KB

    • MD5

      9ab2e2eb1ac2586e07d6104d01cd1b90

    • SHA1

      b6f267f80605be7aa59691f4ce0779572a59abb7

    • SHA256

      6ced9e727c4a65bccd446cfd6b6222f5261c5ac97a798ddb729a931492c654b7

    • SHA512

      c7863e97837427614eac42e64c89b5e0cb943ee4978c3267146cd977055a57476ca4cdf80a033120584ad5f66cbbd427496bceeebc6dc8103f76d577ca3dac45

    • SSDEEP

      3072:HX1QDSkCkos5p4msqoovTbx/np2u7LBwcri:343EmNDPmuv

    • Detects Smokeloader packer

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Sets DLL path for service in the registry

    • Sets service image path in registry

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook accounts

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

2
T1060

Defense Evasion

Modify Registry

3
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Email Collection

2
T1114

Tasks