a3fd6032d092d14a956239819fb7174de8fa2da5585421230de62ef434c06a39

Analysis

max time kernel
150s
max time network
185s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 05:33

Sharing

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General

Target

10141cbb3fe832e89726fc396a6f9e76.exe
Size

47KB
MD5

10141cbb3fe832e89726fc396a6f9e76
SHA1

baefaffbcb3194ae7b6128e5ab90b32864b0cdbd
SHA256

a3fd6032d092d14a956239819fb7174de8fa2da5585421230de62ef434c06a39
SHA512

9bb5ea38eb10fdc12b95aa2ec5e2d7262a0a64f1adb51d05ed5d1d9737320428a3a578eb2bd98a9be5109b9895679f500db94887f7b32d444107d219513d7629
SSDEEP

768:1LZCzEUHZU6YotVOtfP0cZ825717E3XDOJlAAWmAeJSPU6mUuaTVgs:1d0ZHZVubZ82t17KyJyAd6B

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\ntos.exe,"	10141cbb3fe832e89726fc396a6f9e76.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ntos.exe	10141cbb3fe832e89726fc396a6f9e76.exe
File opened for modification	C:\Windows\SysWOW64\ntos.exe	10141cbb3fe832e89726fc396a6f9e76.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1832	10141cbb3fe832e89726fc396a6f9e76.exe
1832	10141cbb3fe832e89726fc396a6f9e76.exe
1832	10141cbb3fe832e89726fc396a6f9e76.exe
1832	10141cbb3fe832e89726fc396a6f9e76.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1832	10141cbb3fe832e89726fc396a6f9e76.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6
PID 1832 wrote to memory of 600	1832	10141cbb3fe832e89726fc396a6f9e76.exe	6

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:600

C:\Users\Admin\AppData\Local\Temp\10141cbb3fe832e89726fc396a6f9e76.exe
"C:\Users\Admin\AppData\Local\Temp\10141cbb3fe832e89726fc396a6f9e76.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/600-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/600-21-0x000000003C510000-0x000000003C536000-memory.dmp

Filesize
152KB

Download
memory/600-16-0x000000003C4E0000-0x000000003C506000-memory.dmp

Filesize
152KB

Download
memory/600-31-0x000000003C570000-0x000000003C596000-memory.dmp

Filesize
152KB

Download
memory/600-36-0x000000003C5A0000-0x000000003C5C6000-memory.dmp

Filesize
152KB

Download
memory/600-41-0x000000003C5D0000-0x000000003C5F6000-memory.dmp

Filesize
152KB

Download
memory/600-46-0x000000003C600000-0x000000003C626000-memory.dmp

Filesize
152KB

Download
memory/600-51-0x000000003C630000-0x000000003C656000-memory.dmp

Filesize
152KB

Download
memory/600-26-0x000000003C540000-0x000000003C566000-memory.dmp

Filesize
152KB

Download
memory/600-56-0x000000003C660000-0x000000003C686000-memory.dmp

Filesize
152KB

Download
memory/600-61-0x000000003C690000-0x000000003C6B6000-memory.dmp

Filesize
152KB

Download
memory/600-71-0x000000003C6F0000-0x000000003C716000-memory.dmp

Filesize
152KB

Download
memory/600-76-0x000000003C720000-0x000000003C746000-memory.dmp

Filesize
152KB

Download
memory/600-81-0x000000003C750000-0x000000003C776000-memory.dmp

Filesize
152KB

Download
memory/600-86-0x000000003C780000-0x000000003C7A6000-memory.dmp

Filesize
152KB

Download
memory/600-96-0x000000003C7E0000-0x000000003C806000-memory.dmp

Filesize
152KB

Download
memory/600-91-0x000000003C7B0000-0x000000003C7D6000-memory.dmp

Filesize
152KB

Download
memory/600-106-0x000000003C840000-0x000000003C866000-memory.dmp

Filesize
152KB

Download
memory/600-111-0x000000003C870000-0x000000003C896000-memory.dmp

Filesize
152KB

Download
memory/600-101-0x000000003C810000-0x000000003C836000-memory.dmp

Filesize
152KB

Download
memory/600-121-0x000000003C8D0000-0x000000003C8F6000-memory.dmp

Filesize
152KB

Download
memory/600-126-0x000000003C900000-0x000000003C926000-memory.dmp

Filesize
152KB

Download
memory/600-131-0x000000003C930000-0x000000003C956000-memory.dmp

Filesize
152KB

Download
memory/600-136-0x000000003C960000-0x000000003C986000-memory.dmp

Filesize
152KB

Download
memory/600-146-0x000000003C9C0000-0x000000003C9E6000-memory.dmp

Filesize
152KB

Download
memory/600-141-0x000000003C990000-0x000000003C9B6000-memory.dmp

Filesize
152KB

Download
memory/600-156-0x000000003CA20000-0x000000003CA46000-memory.dmp

Filesize
152KB

Download
memory/600-161-0x000000003CA50000-0x000000003CA76000-memory.dmp

Filesize
152KB

Download
memory/600-166-0x000000003CA80000-0x000000003CAA6000-memory.dmp

Filesize
152KB

Download
memory/600-171-0x000000003CAB0000-0x000000003CAD6000-memory.dmp

Filesize
152KB

Download
memory/600-181-0x000000003CB10000-0x000000003CB36000-memory.dmp

Filesize
152KB

Download
memory/600-186-0x000000003CB40000-0x000000003CB66000-memory.dmp

Filesize
152KB

Download
memory/600-191-0x000000003CB70000-0x000000003CB96000-memory.dmp

Filesize
152KB

Download
memory/600-201-0x000000003CBD0000-0x000000003CBF6000-memory.dmp

Filesize
152KB

Download
memory/600-206-0x000000003CC00000-0x000000003CC26000-memory.dmp

Filesize
152KB

Download
memory/600-196-0x000000003CBA0000-0x000000003CBC6000-memory.dmp

Filesize
152KB

Download
memory/600-211-0x000000003CC30000-0x000000003CC56000-memory.dmp

Filesize
152KB

Download
memory/600-221-0x000000003CC90000-0x000000003CCB6000-memory.dmp

Filesize
152KB

Download
memory/600-226-0x000000003CCC0000-0x000000003CCE6000-memory.dmp

Filesize
152KB

Download
memory/600-231-0x000000003CCF0000-0x000000003CD16000-memory.dmp

Filesize
152KB

Download
memory/600-236-0x000000003CD20000-0x000000003CD46000-memory.dmp

Filesize
152KB

Download
memory/600-241-0x000000003CD50000-0x000000003CD76000-memory.dmp

Filesize
152KB

Download
memory/600-246-0x000000003CD80000-0x000000003CDA6000-memory.dmp

Filesize
152KB

Download
memory/600-256-0x000000003CDE0000-0x000000003CE06000-memory.dmp

Filesize
152KB

Download
memory/600-261-0x000000003CE10000-0x000000003CE36000-memory.dmp

Filesize
152KB

Download
memory/600-266-0x000000003CE40000-0x000000003CE66000-memory.dmp

Filesize
152KB

Download
memory/600-271-0x000000003CE70000-0x000000003CE96000-memory.dmp

Filesize
152KB

Download
memory/600-276-0x000000003CEA0000-0x000000003CEC6000-memory.dmp

Filesize
152KB

Download
memory/600-286-0x000000003CF00000-0x000000003CF26000-memory.dmp

Filesize
152KB

Download
memory/600-291-0x000000003CF30000-0x000000003CF56000-memory.dmp

Filesize
152KB

Download
memory/600-296-0x000000003CF60000-0x000000003CF86000-memory.dmp

Filesize
152KB

Download
memory/600-301-0x000000003CF90000-0x000000003CFB6000-memory.dmp

Filesize
152KB

Download
memory/600-311-0x000000003CFF0000-0x000000003D016000-memory.dmp

Filesize
152KB

Download
memory/600-306-0x000000003CFC0000-0x000000003CFE6000-memory.dmp

Filesize
152KB

Download
memory/600-281-0x000000003CED0000-0x000000003CEF6000-memory.dmp

Filesize
152KB

Download
memory/600-316-0x000000003D020000-0x000000003D046000-memory.dmp

Filesize
152KB

Download
memory/600-321-0x000000003D050000-0x000000003D076000-memory.dmp

Filesize
152KB

Download
memory/600-251-0x000000003CDB0000-0x000000003CDD6000-memory.dmp

Filesize
152KB

Download
memory/600-216-0x000000003CC60000-0x000000003CC86000-memory.dmp

Filesize
152KB

Download
memory/600-176-0x000000003CAE0000-0x000000003CB06000-memory.dmp

Filesize
152KB

Download
memory/600-151-0x000000003C9F0000-0x000000003CA16000-memory.dmp

Filesize
152KB

Download
memory/600-116-0x000000003C8A0000-0x000000003C8C6000-memory.dmp

Filesize
152KB

Download
memory/600-66-0x000000003C6C0000-0x000000003C6E6000-memory.dmp

Filesize
152KB

Download
memory/1832-0-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1832-1-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1832-2-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download