Overview

overview

10

Static

static

3

19500c0881...ad.exe

windows7-x64

10

19500c0881...ad.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    19500c08819c8dded95f7d84fd1e70ad

  • Size

    2.3MB

  • Sample

    231230-p9d5vafee4

  • MD5

    19500c08819c8dded95f7d84fd1e70ad

  • SHA1

    3e994a39c2ded870a13a11f685ae605a6217d51c

  • SHA256

    522cbea96c68debe4a53241120c1d1ee97aa13581becf02ac90cfb05ffc185b0

  • SHA512

    f8e6a023e77bc1ba0e9942ebe91429ec6217b76d6ef43bfb18013ffd4e25478f351faeeb88da96a04d290450e533f151805e6781799a2d1fdc8134583d5c6966

  • SSDEEP

    49152:sJs41sGD6Aer5sJy/Hl6OvJUczjRO4Ye47YfW5I5GWMo/4aNNpbndFl4Ad:qs86AeVbzvJUczjfBGeF/4aNNpJF2Ad

Score
10/10
evasionpersistence

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://78.26.187.108/soft-usage/favicon.ico?0=1200&1=CALKHSYM&2=i-s&3=72&4=7601&5=6&6=1&7=99600&8=1033

Extracted

Language
hta
Source
URLs
hta.dropper

http://78.26.187.108/soft-usage/favicon.ico?0=1200&1=TSBKFJQM&2=i-s&3=72&4=9200&5=6&6=2&7=919041&8=1033

Targets

    • Target

      19500c08819c8dded95f7d84fd1e70ad

    • Size

      2.3MB

    • MD5

      19500c08819c8dded95f7d84fd1e70ad

    • SHA1

      3e994a39c2ded870a13a11f685ae605a6217d51c

    • SHA256

      522cbea96c68debe4a53241120c1d1ee97aa13581becf02ac90cfb05ffc185b0

    • SHA512

      f8e6a023e77bc1ba0e9942ebe91429ec6217b76d6ef43bfb18013ffd4e25478f351faeeb88da96a04d290450e533f151805e6781799a2d1fdc8134583d5c6966

    • SSDEEP

      49152:sJs41sGD6Aer5sJy/Hl6OvJUczjRO4Ye47YfW5I5GWMo/4aNNpbndFl4Ad:qs86AeVbzvJUczjfBGeF/4aNNpJF2Ad

    Score
    10/10
    evasionpersistence

    • Modifies WinLogon for persistence

      persistence

    • Blocklisted process makes network request

    • Sets file execution options in registry

      persistence

    • Stops running service(s)

      evasion

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

1
T1562

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Service Stop

1
T1489

Resource Development

Reconnaissance

Tasks