c42fa0ed880c89917a7b81e3816601c924cadba9abe9401b33ed618fc3f86bcb

Analysis

max time kernel
178s
max time network
214s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
03-12-2022 13:40

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General

Target

c42fa0ed880c89917a7b81e3816601c924cadba9abe9401b33ed618fc3f86bcb.exe
Size

56KB
MD5

3b8a64d5d87cb5f98501d90d1902c740
SHA1

179e1a4b5f6db94165943bc62a64856c8bb5789f
SHA256

c42fa0ed880c89917a7b81e3816601c924cadba9abe9401b33ed618fc3f86bcb
SHA512

57972c6aafa0818cc03c440a953a03b1a368d8f79a9fd17c18a0b127c1edb854cf6a6a4eb3b8700feacc30d3a63a3f8371d0a3c2bd490682de9d3e93a20e0bf3
SSDEEP

1536:8xLDHfZJ75TUf9Xm96ehhpNA1JPcifA8cjW0:8xLDHfZl5EZm4r1JPbfpc

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-1-5-21-3406023954-474543476-3319432036-1000\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
2040	c42fa0ed880c89917a7b81e3816601c924cadba9abe9401b33ed618fc3f86bcb.exe
1656	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe
1656	svchost.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2040	c42fa0ed880c89917a7b81e3816601c924cadba9abe9401b33ed618fc3f86bcb.exe
2040	c42fa0ed880c89917a7b81e3816601c924cadba9abe9401b33ed618fc3f86bcb.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1656	svchost.exe
1656	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 1704	1656	svchost.exe	29
PID 1656 wrote to memory of 1704	1656	svchost.exe	29
PID 1656 wrote to memory of 1704	1656	svchost.exe	29
PID 1656 wrote to memory of 1704	1656	svchost.exe	29

C:\Users\Admin\AppData\Local\Temp\c42fa0ed880c89917a7b81e3816601c924cadba9abe9401b33ed618fc3f86bcb.exe
"C:\Users\Admin\AppData\Local\Temp\c42fa0ed880c89917a7b81e3816601c924cadba9abe9401b33ed618fc3f86bcb.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: MapViewOfSection
PID:2040

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:1656
- C:\Windows\SysWOW64\ctfmon.exe
  ctfmon.exe
  2⤵
  PID:1704

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/1276-58-0x0000000077BD0000-0x0000000077D79000-memory.dmp

Filesize
1.7MB

Download
memory/1276-59-0x0000000002620000-0x0000000002628000-memory.dmp

Filesize
32KB

Download
memory/1276-61-0x0000000077BD0000-0x0000000077D79000-memory.dmp

Filesize
1.7MB

Download
memory/1656-60-0x00000000767B1000-0x00000000767B3000-memory.dmp

Filesize
8KB

Download
memory/1704-62-0x0000000000000000-mapping.dmp

Download
memory/2040-55-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2040-54-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2040-56-0x0000000000250000-0x0000000000269000-memory.dmp

Filesize
100KB

Download
memory/2040-57-0x0000000000250000-0x0000000000269000-memory.dmp

Filesize
100KB

Download