7abffb22a85ce4197a896afc1fd033d18b6278bb4b053d241e1616bb3f69062d

Analysis

max time kernel
166s
max time network
180s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
29/11/2022, 07:18

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General

Target

7abffb22a85ce4197a896afc1fd033d18b6278bb4b053d241e1616bb3f69062d.exe
Size

58KB
MD5

052b8bd1e6f6220b6c9689dcb6311630
SHA1

36542cbf913333c393808be1a6552da42d04371e
SHA256

7abffb22a85ce4197a896afc1fd033d18b6278bb4b053d241e1616bb3f69062d
SHA512

c97b1dadc1cfae9c5f2fb03c666cee50ba5ae25af3fd1f5dfabd134b4960fab4bf0cd3f9448756b4e2fb386a539870053527577eab67c29a7e23493c8d2000e9
SSDEEP

1536:zd35348OJzHt7AZY5XEhdUpoFlYUkdr4EdW6H0w2:zdN48OFBHOAoTYlr0i0w

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-1-5-21-3385717845-2518323428-350143044-1000\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
1788	7abffb22a85ce4197a896afc1fd033d18b6278bb4b053d241e1616bb3f69062d.exe
2044	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe
2044	svchost.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1788	7abffb22a85ce4197a896afc1fd033d18b6278bb4b053d241e1616bb3f69062d.exe
1788	7abffb22a85ce4197a896afc1fd033d18b6278bb4b053d241e1616bb3f69062d.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2044	svchost.exe
2044	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 1460	2044	svchost.exe	29
PID 2044 wrote to memory of 1460	2044	svchost.exe	29
PID 2044 wrote to memory of 1460	2044	svchost.exe	29
PID 2044 wrote to memory of 1460	2044	svchost.exe	29

C:\Users\Admin\AppData\Local\Temp\7abffb22a85ce4197a896afc1fd033d18b6278bb4b053d241e1616bb3f69062d.exe
"C:\Users\Admin\AppData\Local\Temp\7abffb22a85ce4197a896afc1fd033d18b6278bb4b053d241e1616bb3f69062d.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: MapViewOfSection
PID:1788

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:2044
- C:\Windows\SysWOW64\ctfmon.exe
  ctfmon.exe
  2⤵
  PID:1460

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/1376-59-0x0000000077C60000-0x0000000077E09000-memory.dmp

Filesize
1.7MB

Download
memory/1376-60-0x0000000001DB0000-0x0000000001DB8000-memory.dmp

Filesize
32KB

Download
memory/1376-62-0x0000000077C60000-0x0000000077E09000-memory.dmp

Filesize
1.7MB

Download
memory/1788-54-0x0000000076411000-0x0000000076413000-memory.dmp

Filesize
8KB

Download
memory/1788-55-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1788-56-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1788-57-0x00000000002B0000-0x00000000002C9000-memory.dmp

Filesize
100KB

Download
memory/1788-58-0x00000000002B0000-0x00000000002C9000-memory.dmp

Filesize
100KB

Download