ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90

General

Target

ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe
Size

296KB
MD5

262310fd04bfde4d6128b2edb133c81e
SHA1

4ae33a960dd6bbf7bcc6bcdf28e14f796ab84724
SHA256

ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90
SHA512

56eacf34d055359b78953817c7ac68cde23feba382f0a42c23ebc014ab08ca06b28bd475b70aac4535c8b2e1956bf7254fc2d00eccbba4ca3fa7647f5458fc67
SSDEEP

1536:dOYwgQPqi1rbJc4eu22BcxEdt+TI6yJ6sxUCV6soNz4cQIG:DYc4eu22COr+E6yJl+WLAzQIG

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781862308-13105891\\7a885pq.exe"	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\788554 = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781862308-13105891\\7a885pq.exe"	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe

description	ioc	process
File created	C:\RECYCLER\S-1-5-21-0243556031-888888379-781862308-13105891\Desktop.ini	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Taskman = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781862308-13105891\\7a885pq.exe"	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe

description	pid	process	target process
PID 1752 set thread context of 1552	1752	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exeed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe

pid	process
1752	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe
1752	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe
1552	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exeed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe

description	pid	process	target process
PID 1752 wrote to memory of 1552	1752	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe
PID 1752 wrote to memory of 1552	1752	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe
PID 1752 wrote to memory of 1552	1752	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe
PID 1752 wrote to memory of 1552	1752	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe
PID 1752 wrote to memory of 1552	1752	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe
PID 1752 wrote to memory of 1552	1752	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe
PID 1752 wrote to memory of 1552	1752	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe
PID 1752 wrote to memory of 1552	1752	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe
PID 1752 wrote to memory of 1552	1752	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe
PID 1552 wrote to memory of 1236	1552	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe	Explorer.EXE
PID 1552 wrote to memory of 1236	1552	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe	Explorer.EXE
PID 1552 wrote to memory of 1236	1552	ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe	Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe
"C:\Users\Admin\AppData\Local\Temp\ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1752

C:\Users\Admin\AppData\Local\Temp\ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe
"C:\Users\Admin\AppData\Local\Temp\ed77a1b83134f0140c3647d70f4e19ed582003619076b6552efe15efb3054f90.exe"
2⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops desktop.ini file(s)
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1552

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1236

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1552-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1552-56-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1552-58-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1552-59-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1552-61-0x0000000000401920-mapping.dmp

Download
memory/1552-60-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1552-64-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1752-54-0x0000000075111000-0x0000000075113000-memory.dmp

Filesize
8KB

Download
memory/1752-62-0x00000000001B0000-0x00000000001B3000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads