a0023e902b28ffa1c49f8c959e4477659c3e2e46040c8f6987441c9ea1318e11

Analysis

max time kernel
150s
max time network
157s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
03-10-2022 13:57

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General

Target

a0023e902b28ffa1c49f8c959e4477659c3e2e46040c8f6987441c9ea1318e11.exe
Size

263KB
MD5

6d3c42e97cd7dfabc7a0de553b466d21
SHA1

3bf6e80b523dabd81ea14472b414e2efc4cb2db4
SHA256

a0023e902b28ffa1c49f8c959e4477659c3e2e46040c8f6987441c9ea1318e11
SHA512

77c17aebfeca766e5f6d10585be3359c127fc55f0cb6d26acf7a50be7aa37d4d9428894babf97bce3f3db6d5308abb500e66c7cbffc93e87c7cc77bb5de42acc
SSDEEP

3072:dwa0FSXxkcY93I6xeRSS05Im/vm8ud2U/ivJM7EATL5Bc9RuP6369u8cNzj:e0XxEJARSS0tpa5/iiAATrARAp08czj

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\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\A0023E~1.EXE,"	a0023e902b28ffa1c49f8c959e4477659c3e2e46040c8f6987441c9ea1318e11.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\A0023E~1.EXE"	a0023e902b28ffa1c49f8c959e4477659c3e2e46040c8f6987441c9ea1318e11.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\36d347b7 = "t\x19\x12Ë]¯a“#áø>Á>¬9Ðh‹\nJy×“`/\ró€¢!~€à’\f ò³Ú\t8þ^iL\u00adÄÉ\x02W\a\x1aî#5¡\x19ÙeÂäÉç\x11•á˜[\x7f²\x05ìDëGp{¤.ÖNä´ÓŒ\x1a@Éj1\u00adçù«\x039ež>Èžû®xÞOü˜è¸\vhæz¶ØoÐ0\x13ð»\x17¦"	a0023e902b28ffa1c49f8c959e4477659c3e2e46040c8f6987441c9ea1318e11.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\A0023E~1.EXE"	a0023e902b28ffa1c49f8c959e4477659c3e2e46040c8f6987441c9ea1318e11.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1368	a0023e902b28ffa1c49f8c959e4477659c3e2e46040c8f6987441c9ea1318e11.exe
1368	a0023e902b28ffa1c49f8c959e4477659c3e2e46040c8f6987441c9ea1318e11.exe
1368	a0023e902b28ffa1c49f8c959e4477659c3e2e46040c8f6987441c9ea1318e11.exe
1368	a0023e902b28ffa1c49f8c959e4477659c3e2e46040c8f6987441c9ea1318e11.exe
1368	a0023e902b28ffa1c49f8c959e4477659c3e2e46040c8f6987441c9ea1318e11.exe
1368	a0023e902b28ffa1c49f8c959e4477659c3e2e46040c8f6987441c9ea1318e11.exe
1368	a0023e902b28ffa1c49f8c959e4477659c3e2e46040c8f6987441c9ea1318e11.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1368	a0023e902b28ffa1c49f8c959e4477659c3e2e46040c8f6987441c9ea1318e11.exe
Token: SeSecurityPrivilege	1368	a0023e902b28ffa1c49f8c959e4477659c3e2e46040c8f6987441c9ea1318e11.exe
Token: SeSecurityPrivilege	1368	a0023e902b28ffa1c49f8c959e4477659c3e2e46040c8f6987441c9ea1318e11.exe
Token: SeSecurityPrivilege	1368	a0023e902b28ffa1c49f8c959e4477659c3e2e46040c8f6987441c9ea1318e11.exe

C:\Users\Admin\AppData\Local\Temp\a0023e902b28ffa1c49f8c959e4477659c3e2e46040c8f6987441c9ea1318e11.exe
"C:\Users\Admin\AppData\Local\Temp\a0023e902b28ffa1c49f8c959e4477659c3e2e46040c8f6987441c9ea1318e11.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1368

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

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/1368-54-0x0000000076461000-0x0000000076463000-memory.dmp

Filesize
8KB

Download
memory/1368-55-0x000000007EF40000-0x000000007EFA9000-memory.dmp

Filesize
420KB

Download
memory/1368-56-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1368-57-0x00000000021F0000-0x00000000022A2000-memory.dmp

Filesize
712KB

Download
memory/1368-59-0x00000000021F0000-0x00000000022A2000-memory.dmp

Filesize
712KB

Download
memory/1368-58-0x00000000021F0000-0x00000000022A2000-memory.dmp

Filesize
712KB

Download
memory/1368-62-0x00000000021F0000-0x00000000022A2000-memory.dmp

Filesize
712KB

Download
memory/1368-61-0x00000000021F0000-0x00000000022A2000-memory.dmp

Filesize
712KB

Download
memory/1368-64-0x00000000021F0000-0x00000000022A2000-memory.dmp

Filesize
712KB

Download
memory/1368-65-0x00000000024B0000-0x0000000002568000-memory.dmp

Filesize
736KB

Download
memory/1368-66-0x00000000024B0000-0x0000000002568000-memory.dmp

Filesize
736KB

Download