5a8f482899c2d41a44581b510027486819aeee64cb00216fec45382d831ce25a

Analysis

max time kernel
284s
max time network
381s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
01/12/2022, 23:37

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General

Target

5a8f482899c2d41a44581b510027486819aeee64cb00216fec45382d831ce25a.exe
Size

63KB
MD5

cf39e701c001550cd29aecce9b003fc9
SHA1

04db2207181ae9e5362cfe99a76b7e11c3bdfa4d
SHA256

5a8f482899c2d41a44581b510027486819aeee64cb00216fec45382d831ce25a
SHA512

0c422a9a146bc352d2c22dc73ed7dfd3601e50f640eb23f767d9875eac0f09bd93cf25577d11b56cd7e96bb8a4cdbbe53e817c98663ad40f69314897c71eff43
SSDEEP

768:4KPGlWqbiy0e0MhZ54JDT10HrJj0R19R28xdoa7FHVjYPqm0cdZUoZTlFJFsN1mm:QNGy0ahZ54cHrJjWz28xdFuTUNaZj

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\cache.dat"	svchost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1532	5a8f482899c2d41a44581b510027486819aeee64cb00216fec45382d831ce25a.exe
388	svchost.exe

Suspicious behavior: EnumeratesProcesses 51 IoCs

pid	Process
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe
388	svchost.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1532	5a8f482899c2d41a44581b510027486819aeee64cb00216fec45382d831ce25a.exe
1532	5a8f482899c2d41a44581b510027486819aeee64cb00216fec45382d831ce25a.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
388	svchost.exe
388	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 1116	388	svchost.exe	29
PID 388 wrote to memory of 1116	388	svchost.exe	29
PID 388 wrote to memory of 1116	388	svchost.exe	29
PID 388 wrote to memory of 1116	388	svchost.exe	29

C:\Users\Admin\AppData\Local\Temp\5a8f482899c2d41a44581b510027486819aeee64cb00216fec45382d831ce25a.exe
"C:\Users\Admin\AppData\Local\Temp\5a8f482899c2d41a44581b510027486819aeee64cb00216fec45382d831ce25a.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: MapViewOfSection
PID:1532

C:\Windows\syswow64\svchost.exe
"C:\Windows\syswow64\svchost.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:388
- C:\Windows\SysWOW64\ctfmon.exe
  ctfmon.exe
  2⤵
  PID:1116

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/388-59-0x0000000074FA1000-0x0000000074FA3000-memory.dmp

Filesize
8KB

Download
memory/1284-57-0x0000000076D60000-0x0000000076F09000-memory.dmp

Filesize
1.7MB

Download
memory/1284-58-0x0000000002A10000-0x0000000002A18000-memory.dmp

Filesize
32KB

Download
memory/1284-60-0x0000000076D60000-0x0000000076F09000-memory.dmp

Filesize
1.7MB

Download
memory/1532-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1532-55-0x0000000000220000-0x0000000000239000-memory.dmp

Filesize
100KB

Download
memory/1532-56-0x0000000000220000-0x0000000000239000-memory.dmp

Filesize
100KB

Download