General

  • Target

    2ab2e601ad80dbb63fde3da22130da04cc2763068a451fc3a85ca96c2c40e7a8

  • Size

    210KB

  • Sample

    230115-w9w4zseb7y

  • MD5

    8271c0bd21442cc8c0fee75db44aab0c

  • SHA1

    3c2ea01367688b8d989ee9b7e0bea966b329f050

  • SHA256

    2ab2e601ad80dbb63fde3da22130da04cc2763068a451fc3a85ca96c2c40e7a8

  • SHA512

    6d37f495560cc4a7c1307f07949e69dbb5787d6ce4d316ba99fc4917018582bf260d29e64c4c62bbcfcac7210a072fb369d13d7427513094239c1caf36aeb6d0

  • SSDEEP

    3072:EXDtnfcd6ys5EC7HHpCu8NgTD19l1jZLqi:AZY8r8o

Malware Config

Extracted

Family

lumma

C2

77.73.134.68

Targets

    • Target

      2ab2e601ad80dbb63fde3da22130da04cc2763068a451fc3a85ca96c2c40e7a8

    • Size

      210KB

    • MD5

      8271c0bd21442cc8c0fee75db44aab0c

    • SHA1

      3c2ea01367688b8d989ee9b7e0bea966b329f050

    • SHA256

      2ab2e601ad80dbb63fde3da22130da04cc2763068a451fc3a85ca96c2c40e7a8

    • SHA512

      6d37f495560cc4a7c1307f07949e69dbb5787d6ce4d316ba99fc4917018582bf260d29e64c4c62bbcfcac7210a072fb369d13d7427513094239c1caf36aeb6d0

    • SSDEEP

      3072:EXDtnfcd6ys5EC7HHpCu8NgTD19l1jZLqi:AZY8r8o

    • Detects Smokeloader packer

    • Lumma Stealer

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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • 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

    • Deletes itself

    • 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