General

  • Target

    ab1e711e952fa789a8f208db01c63bdfd9489be310356ab92d7ab78d10acf929

  • Size

    202KB

  • Sample

    220925-klgtlseac4

  • MD5

    6e2c4f813aa081f31a97de609d7dda44

  • SHA1

    835a4e16e1408ada1fdc4609077e13325ef3a14e

  • SHA256

    ab1e711e952fa789a8f208db01c63bdfd9489be310356ab92d7ab78d10acf929

  • SHA512

    13ec6ee6170b21460dea55addfae21c7017a34961961fe7358e0b55f8673caed3207e170f3e483a9b879f2c06b2b061ba41fd2a2bd26013e135310a4b867264c

  • SSDEEP

    3072:UOU06iVsm5I1I7lwm6apqJ8HOuLrSaHuM5DBmoq/PkIXx:Bwa7lwm6apqERLrStpo

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @me_golds)

C2

77.73.134.27:7161

Attributes
  • auth_value

    e136da06c7c0400f4091dab1787720ea

Targets

    • Target

      ab1e711e952fa789a8f208db01c63bdfd9489be310356ab92d7ab78d10acf929

    • Size

      202KB

    • MD5

      6e2c4f813aa081f31a97de609d7dda44

    • SHA1

      835a4e16e1408ada1fdc4609077e13325ef3a14e

    • SHA256

      ab1e711e952fa789a8f208db01c63bdfd9489be310356ab92d7ab78d10acf929

    • SHA512

      13ec6ee6170b21460dea55addfae21c7017a34961961fe7358e0b55f8673caed3207e170f3e483a9b879f2c06b2b061ba41fd2a2bd26013e135310a4b867264c

    • SSDEEP

      3072:UOU06iVsm5I1I7lwm6apqJ8HOuLrSaHuM5DBmoq/PkIXx:Bwa7lwm6apqERLrStpo

    • Detects Smokeloader packer

    • RedLine

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

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • 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.

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

2
T1060

Scheduled Task

1
T1053

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Tasks