Overview

overview

10

Static

static

f0442b8d5e...9b.exe

windows7-x64

10

f0442b8d5e...9b.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f0442b8d5ee23b6a85a2f5543035a761a096df9d249dbb0944f9686ede04f59b

  • Size

    116KB

  • Sample

    221204-dqhhdaff6w

  • MD5

    4ee3012b6de81e70ea3aeb1c8b63bde1

  • SHA1

    11adf906465c1f81d157d068632c8a88acd676b2

  • SHA256

    f0442b8d5ee23b6a85a2f5543035a761a096df9d249dbb0944f9686ede04f59b

  • SHA512

    0d618c0b8920eb684e09a9edacbbf680e6cc5b21a17f1a37c3ade0e0822b1421aa289c500a4db5c4ed4164f0844a91b76fe3ffc705379657ba97b074f73c3b27

  • SSDEEP

    1536:7Jcg21s3VMp5fjgQpnFGQGbDjNQo066KE8oLEFTEcK3b:qgIpWQVFobvNTh6soHcKr

Score
10/10
tofseepersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

103.9.150.244

188.190.120.102

121.127.250.203

188.165.132.183

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Targets

    • Target

      f0442b8d5ee23b6a85a2f5543035a761a096df9d249dbb0944f9686ede04f59b

    • Size

      116KB

    • MD5

      4ee3012b6de81e70ea3aeb1c8b63bde1

    • SHA1

      11adf906465c1f81d157d068632c8a88acd676b2

    • SHA256

      f0442b8d5ee23b6a85a2f5543035a761a096df9d249dbb0944f9686ede04f59b

    • SHA512

      0d618c0b8920eb684e09a9edacbbf680e6cc5b21a17f1a37c3ade0e0822b1421aa289c500a4db5c4ed4164f0844a91b76fe3ffc705379657ba97b074f73c3b27

    • SSDEEP

      1536:7Jcg21s3VMp5fjgQpnFGQGbDjNQo066KE8oLEFTEcK3b:qgIpWQVFobvNTh6soHcKr

    Score
    10/10
    tofseepersistencetrojan

    • Tofsee

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

      trojantofsee

    • Executes dropped EXE

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks