423a3ca5dbe551b610fa970145b625c29842dd4c15171740ccdde5285ad197d5

Analysis

max time kernel
152s
max time network
126s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
29/11/2022, 09:33

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General

Target

423a3ca5dbe551b610fa970145b625c29842dd4c15171740ccdde5285ad197d5.exe
Size

58KB
MD5

17536b601ced4b0a2d896640c9a1c5ea
SHA1

e82390eb774e06427fe096df44f460e449d238a7
SHA256

423a3ca5dbe551b610fa970145b625c29842dd4c15171740ccdde5285ad197d5
SHA512

fe1ba470ceb333df7943825d613d6cf5fe2511b4d0c573806a186a00af2cbb3619b1f7105071452dd62792e9b9bf8c63f355e916ff1937eee85bf22fbf8a6fd4
SSDEEP

1536:CMAvCbp8MIbL2pYw59WB6Pl/rs2jgbV9Blt/au:CRvCF8MIbL2p+ilDjgDBb/a

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-1-5-21-4063495947-34355257-727531523-1000\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
1196	423a3ca5dbe551b610fa970145b625c29842dd4c15171740ccdde5285ad197d5.exe
1644	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe
1644	svchost.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1196	423a3ca5dbe551b610fa970145b625c29842dd4c15171740ccdde5285ad197d5.exe
1196	423a3ca5dbe551b610fa970145b625c29842dd4c15171740ccdde5285ad197d5.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1644	svchost.exe
1644	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 1332	1644	svchost.exe	28
PID 1644 wrote to memory of 1332	1644	svchost.exe	28
PID 1644 wrote to memory of 1332	1644	svchost.exe	28
PID 1644 wrote to memory of 1332	1644	svchost.exe	28

C:\Users\Admin\AppData\Local\Temp\423a3ca5dbe551b610fa970145b625c29842dd4c15171740ccdde5285ad197d5.exe
"C:\Users\Admin\AppData\Local\Temp\423a3ca5dbe551b610fa970145b625c29842dd4c15171740ccdde5285ad197d5.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: MapViewOfSection
PID:1196

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:1644
- C:\Windows\SysWOW64\ctfmon.exe
  ctfmon.exe
  2⤵
  PID:1332

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/1196-54-0x0000000074E41000-0x0000000074E43000-memory.dmp

Filesize
8KB

Download
memory/1196-56-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1196-55-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1196-57-0x0000000000340000-0x0000000000359000-memory.dmp

Filesize
100KB

Download
memory/1196-58-0x0000000000340000-0x0000000000359000-memory.dmp

Filesize
100KB

Download
memory/1280-59-0x0000000076DC0000-0x0000000076F69000-memory.dmp

Filesize
1.7MB

Download
memory/1280-61-0x00000000029A0000-0x00000000029A8000-memory.dmp

Filesize
32KB

Download