ecc0838f5aa479ce6ba861e7ba5db38806a3743e941a5ff3aac8b010410d0873

Analysis

max time kernel
149s
max time network
156s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
06/11/2022, 06:59

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General

Target

ecc0838f5aa479ce6ba861e7ba5db38806a3743e941a5ff3aac8b010410d0873.exe
Size

250KB
MD5

3b1c507c0d0cd3a9d57ff6df2eec8440
SHA1

d29ff8bd5182a1f9f493205ff8add0d789a982a9
SHA256

ecc0838f5aa479ce6ba861e7ba5db38806a3743e941a5ff3aac8b010410d0873
SHA512

c36463da0069c9ef710ce69e85f805c6d3973635c6202494a9f8262327598332c9fcc1b7b377f43de02e6b69b1502c880927e435cd56504605f228cb5705f514
SSDEEP

6144:7cjlsubtn6BV+/1PSSggDhBkLq2pjMoyYKRKESBv:AiuZ6Bq1aMWqBTSV

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\\ECC083~1.EXE,"	ecc0838f5aa479ce6ba861e7ba5db38806a3743e941a5ff3aac8b010410d0873.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\\ECC083~1.EXE"	ecc0838f5aa479ce6ba861e7ba5db38806a3743e941a5ff3aac8b010410d0873.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\613a9df5 = "\x13ŠaGÒ\x03\u008f+ú¸Î$[‡…ÏQºþ\b~ÉæÉ÷Y\x04\x0eäBÐõ™5Ç\x11áax\x03h¶ÔQ¹¥æ\x18†—£\x1b¨XkKåVbùíÖ8ÅA\x18€gë]7œª_q<;§oklúÑ?¢:P†ï`99¢\x1c™©>ck\x17€c¡P¾Øí¡iÉŽ0Ž00êž&ÉâÚAý9‰)vŠqxÕ¢š\u00adè1\u0090™Ú\x15šù\x1d\x12iÞV\b–\t\u0090ý™éB€\x01Ñ©ÑÂñ\x11õh¡\u00a0…)1Z)ÒvÉ\"\u0090*ˆ€P…\"ÀÁi\x10\x10Jb2q©‚V¦‰\x0eXàpÁ€ˆ1¡‚Ú¦Ñõ\t@è\x1a‘¦ýÉ¹)–•!"	ecc0838f5aa479ce6ba861e7ba5db38806a3743e941a5ff3aac8b010410d0873.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ECC083~1.EXE"	ecc0838f5aa479ce6ba861e7ba5db38806a3743e941a5ff3aac8b010410d0873.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
620	ecc0838f5aa479ce6ba861e7ba5db38806a3743e941a5ff3aac8b010410d0873.exe
620	ecc0838f5aa479ce6ba861e7ba5db38806a3743e941a5ff3aac8b010410d0873.exe
620	ecc0838f5aa479ce6ba861e7ba5db38806a3743e941a5ff3aac8b010410d0873.exe
620	ecc0838f5aa479ce6ba861e7ba5db38806a3743e941a5ff3aac8b010410d0873.exe
620	ecc0838f5aa479ce6ba861e7ba5db38806a3743e941a5ff3aac8b010410d0873.exe
620	ecc0838f5aa479ce6ba861e7ba5db38806a3743e941a5ff3aac8b010410d0873.exe
620	ecc0838f5aa479ce6ba861e7ba5db38806a3743e941a5ff3aac8b010410d0873.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	620	ecc0838f5aa479ce6ba861e7ba5db38806a3743e941a5ff3aac8b010410d0873.exe
Token: SeSecurityPrivilege	620	ecc0838f5aa479ce6ba861e7ba5db38806a3743e941a5ff3aac8b010410d0873.exe
Token: SeSecurityPrivilege	620	ecc0838f5aa479ce6ba861e7ba5db38806a3743e941a5ff3aac8b010410d0873.exe
Token: SeSecurityPrivilege	620	ecc0838f5aa479ce6ba861e7ba5db38806a3743e941a5ff3aac8b010410d0873.exe

C:\Users\Admin\AppData\Local\Temp\ecc0838f5aa479ce6ba861e7ba5db38806a3743e941a5ff3aac8b010410d0873.exe
"C:\Users\Admin\AppData\Local\Temp\ecc0838f5aa479ce6ba861e7ba5db38806a3743e941a5ff3aac8b010410d0873.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:620

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/620-54-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/620-55-0x0000000002320000-0x00000000023D2000-memory.dmp

Filesize
712KB

Download
memory/620-57-0x0000000002320000-0x00000000023D2000-memory.dmp

Filesize
712KB

Download
memory/620-56-0x0000000002320000-0x00000000023D2000-memory.dmp

Filesize
712KB

Download
memory/620-60-0x0000000002320000-0x00000000023D2000-memory.dmp

Filesize
712KB

Download
memory/620-59-0x0000000002320000-0x00000000023D2000-memory.dmp

Filesize
712KB

Download
memory/620-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/620-62-0x000000007EF40000-0x000000007EFA7000-memory.dmp

Filesize
412KB

Download
memory/620-64-0x0000000002320000-0x00000000023D2000-memory.dmp

Filesize
712KB

Download
memory/620-65-0x00000000024E0000-0x0000000002598000-memory.dmp

Filesize
736KB

Download
memory/620-66-0x00000000024E0000-0x0000000002598000-memory.dmp

Filesize
736KB

Download