a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad

General

Target

a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe
Size

217KB
MD5

e0df9f70ca00e37890f7e40fccfe9ea2
SHA1

1564235ebf363f9a3e070345deee3f57ff11ca69
SHA256

a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad
SHA512

4994c3b33e4f93b31e2bc3acab96e03dd146ef037029643c105b94008d9ac5d8770a9cecc536b3fe51976dc778ab7a74570749652409da5a925b48ab93773ad8
SSDEEP

3072:kZdTTTcoPU+O2JKLloghCS2uSJ9SzHMOy8UUMhWXsLd2:sdTPNP9TJKLfCSBSNhWXs0

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781862338-84112131\\13gaa17r8.exe"	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\23gaa1q8 = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781862338-84112131\\13gaa17r8.exe"	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe

description	ioc	process
File created	C:\RECYCLER\S-1-5-21-0243556031-888888379-781862338-84112131\Desktop.ini	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Taskman = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781862338-84112131\\13gaa17r8.exe"	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe

description	pid	process	target process
PID 2332 set thread context of 4952	2332	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exea4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe

pid	process
2332	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe
2332	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe
2332	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe
2332	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe
4952	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe
4952	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exea4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe

description	pid	process	target process
PID 2332 wrote to memory of 4952	2332	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe
PID 2332 wrote to memory of 4952	2332	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe
PID 2332 wrote to memory of 4952	2332	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe
PID 2332 wrote to memory of 4952	2332	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe
PID 2332 wrote to memory of 4952	2332	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe
PID 2332 wrote to memory of 4952	2332	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe
PID 2332 wrote to memory of 4952	2332	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe
PID 2332 wrote to memory of 4952	2332	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe
PID 4952 wrote to memory of 2592	4952	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe	Explorer.EXE
PID 4952 wrote to memory of 2592	4952	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe	Explorer.EXE
PID 4952 wrote to memory of 2592	4952	a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2592

C:\Users\Admin\AppData\Local\Temp\a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe
"C:\Users\Admin\AppData\Local\Temp\a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2332

C:\Users\Admin\AppData\Local\Temp\a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe
"C:\Users\Admin\AppData\Local\Temp\a4c33306c96885a0fd361109abeb119dfb7184626de8b1212c29de6cea98c0ad.exe"
3⤵
- 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:4952

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/2332-134-0x0000000002170000-0x0000000002173000-memory.dmp

Filesize
12KB

Download
memory/4952-132-0x0000000000000000-mapping.dmp

Download
memory/4952-133-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4952-136-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads