f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7

General

Target

f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe
Size

174KB
MD5

9ec7a3823d8f218b37e1b4c98c17b8e4
SHA1

04ab34fde80de9298ce22a54e5b707c46cfcc46f
SHA256

f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7
SHA512

a35b28f13da048d52a0280f9a2c8e69faba948328634b77560bf63306a2ca3e7f692d1c5780cc5219a53b494264e84f00d8245cfa5cbf967c52e0fa632b1965c
SSDEEP

3072:oAKIO1iFiXeuEmTLynzObIvls4qQXvvSGunAYZ/p3B7mNp2HG:iIO1icxUzDNs4qQXvvSDv/H7mam

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.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-1-5-21-0243556031-888888379-781862308-131091\\7ab45pq.exe"	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\79bop14 = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781862308-131091\\7ab45pq.exe"	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe

description	ioc	process
File created	C:\RECYCLER\S-1-5-21-0243556031-888888379-781862308-131091\Desktop.ini	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Taskman = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781862308-131091\\7ab45pq.exe"	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe

description	pid	process	target process
PID 1744 set thread context of 112	1744	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exef822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe

pid	process
1744	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe
1744	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe
112	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe

description	pid	process
Token: 33	1744	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe
Token: SeIncBasePriorityPrivilege	1744	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exef822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe

description	pid	process	target process
PID 1744 wrote to memory of 112	1744	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe
PID 1744 wrote to memory of 112	1744	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe
PID 1744 wrote to memory of 112	1744	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe
PID 1744 wrote to memory of 112	1744	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe
PID 1744 wrote to memory of 112	1744	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe
PID 1744 wrote to memory of 112	1744	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe
PID 1744 wrote to memory of 112	1744	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe
PID 1744 wrote to memory of 112	1744	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe
PID 1744 wrote to memory of 112	1744	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe
PID 112 wrote to memory of 1212	112	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe	Explorer.EXE
PID 112 wrote to memory of 1212	112	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe	Explorer.EXE
PID 112 wrote to memory of 1212	112	f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212

C:\Users\Admin\AppData\Local\Temp\f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe
"C:\Users\Admin\AppData\Local\Temp\f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1744

C:\Users\Admin\AppData\Local\Temp\f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.exe
"C:\Users\Admin\AppData\Local\Temp\f822b9a1d791bce13d7156208f826426536b7f619748e687f45cf774bf83beb7.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:112

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/112-57-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/112-58-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/112-60-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/112-61-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/112-63-0x0000000000401920-mapping.dmp

Download
memory/112-62-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/112-65-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads