7b2ce0cfe2e1dd022dd430a329ad645a40ae028d5d7e4d42eb917ce1d54d58b5

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 05:03

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General

Target

76743285168be592101fd5dc61ea8d15.exe
Size

257KB
MD5

76743285168be592101fd5dc61ea8d15
SHA1

a37062fb3aab988439bd15228670dbbe83de492c
SHA256

7b2ce0cfe2e1dd022dd430a329ad645a40ae028d5d7e4d42eb917ce1d54d58b5
SHA512

d09455ae06b66462aee73d5d9d0793c4b6ef5f206960bd7d846d5cff8d6db5208dc5322b62bc861f99925ee3c34d5475a606528a188ba6dd568eab7840d86681
SSDEEP

3072:UicFgFSqXNa0s3o2MV2SwcfjUGkmj1AWFhGIhtrJG+2ozcQU8gh1yhw7yds5VLGM:RXNNSo2EscAxmpDGIhtrTpUpH15WJS3

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\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\767432~1.EXE,"	76743285168be592101fd5dc61ea8d15.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\767432~1.EXE"	76743285168be592101fd5dc61ea8d15.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\bafd9ee3 = "G:\u008f!\x1fÉ°\a†\x1cù†µ\u009d\x16EÐãûí,•8Q\u009dÞ™œ\|\\µÕ\u008f\x16çôÐ\x13aùKÖ\x15Â¬VXÈ›7<\x15#\x04&¾ù/Ò\x14\x15Üì—SÅÝŠEšÅ„:³Sô\u009d`û\u008d%œÌøL§xÅ-HZÈRÜGÊHGB+\x0f”$ø½Ú<X\x10à\u00adòõt´t·š\u00ad´\\{÷h¤'cü\\ó¼µ\f%\fœ\x18”²¥uc\x1fÅ·\x18û”P-¯çR·;¨\b<•/tè·ƒ\\ÿ‚ˆçl¼Dzï\x17“û`õP,€jdÏœdƒT;\x1c4ÂZÿ§ò5{R…¸U\\\x02}DÌ3˜«ð\u008fE\u00ad%\x0fPðçTÄô\x18k£ÀdtômÄêàÄu\x05—0‚’\|zÓ3mâ,lß˜Ô@œðë\x1c\x04m´"	76743285168be592101fd5dc61ea8d15.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\767432~1.EXE"	76743285168be592101fd5dc61ea8d15.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe
4936	76743285168be592101fd5dc61ea8d15.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	4936	76743285168be592101fd5dc61ea8d15.exe
Token: SeSecurityPrivilege	4936	76743285168be592101fd5dc61ea8d15.exe
Token: SeSecurityPrivilege	4936	76743285168be592101fd5dc61ea8d15.exe
Token: SeSecurityPrivilege	4936	76743285168be592101fd5dc61ea8d15.exe

C:\Users\Admin\AppData\Local\Temp\76743285168be592101fd5dc61ea8d15.exe
"C:\Users\Admin\AppData\Local\Temp\76743285168be592101fd5dc61ea8d15.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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/4936-0-0x0000000000400000-0x0000000000502000-memory.dmp

Filesize
1.0MB

Download
memory/4936-1-0x00000000022F0000-0x0000000002356000-memory.dmp

Filesize
408KB

Download
memory/4936-2-0x0000000000400000-0x0000000000502000-memory.dmp

Filesize
1.0MB

Download
memory/4936-4-0x0000000002800000-0x00000000028B2000-memory.dmp

Filesize
712KB

Download
memory/4936-5-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-7-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-9-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-10-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-58-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-59-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-67-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-66-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-65-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-69-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-76-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-78-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-80-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-82-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-64-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-86-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-88-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-93-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-94-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-99-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-98-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-104-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-109-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-112-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-110-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-114-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-106-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-102-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-92-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-90-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-84-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-63-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-62-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-61-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-60-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download
memory/4936-3341-0x00000000022F0000-0x0000000002356000-memory.dmp

Filesize
408KB

Download
memory/4936-3873-0x0000000000400000-0x0000000000502000-memory.dmp

Filesize
1.0MB

Download
memory/4936-4749-0x00000000029C0000-0x0000000002A78000-memory.dmp

Filesize
736KB

Download