e90c497b4a04a3ab55a79daa2f23e461c52bf39b2277acc72059d1ec7771c25a

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 09:40

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General

Target

b461cfe35c0d7d52d0b665f77c8fd30d.exe
Size

88KB
MD5

b461cfe35c0d7d52d0b665f77c8fd30d
SHA1

07e6264a84776837395a81214e2d5aa2f98014d5
SHA256

e90c497b4a04a3ab55a79daa2f23e461c52bf39b2277acc72059d1ec7771c25a
SHA512

5c17bce83fe6acb516a8c79c6f02290e869e534bec2944bb30d47ccb0f8059209d1ea43361f93798dc307017b58f7d90658ff74a6ba551fa3e46fed69606e853
SSDEEP

1536:6mAKq7vdQ4oA23PLCIR9gQ+pcOH5yBkCOwAcGbgLDsL0s2QnkO/Qp+8LEZ8Xj:AN5QLnffR9IpcIyxOwagLDDs2QQYZwj

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\sdra64.exe,"	b461cfe35c0d7d52d0b665f77c8fd30d.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\sdra64.exe	b461cfe35c0d7d52d0b665f77c8fd30d.exe
File created	C:\Windows\SysWOW64\sdra64.exe	b461cfe35c0d7d52d0b665f77c8fd30d.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4192	b461cfe35c0d7d52d0b665f77c8fd30d.exe
4192	b461cfe35c0d7d52d0b665f77c8fd30d.exe
4192	b461cfe35c0d7d52d0b665f77c8fd30d.exe
4192	b461cfe35c0d7d52d0b665f77c8fd30d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4192	b461cfe35c0d7d52d0b665f77c8fd30d.exe

C:\Users\Admin\AppData\Local\Temp\b461cfe35c0d7d52d0b665f77c8fd30d.exe
"C:\Users\Admin\AppData\Local\Temp\b461cfe35c0d7d52d0b665f77c8fd30d.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4192

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4192-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4192-1-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4192-2-0x0000000001F90000-0x0000000001FC8000-memory.dmp

Filesize
224KB

Download
memory/4192-3-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4192-4-0x0000000001FD0000-0x0000000001FE3000-memory.dmp

Filesize
76KB

Download
memory/4192-5-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4192-10-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download