556383860d78dc7153abb8592cc8d38127fc7bfbbec927555873b691a56e87e1

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 23:17

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General

Target

556383860d78dc7153abb8592cc8d38127fc7bfbbec927555873b691a56e87e1.dll
Size

76KB
MD5

f6e9ef58dc6583af1dbec5fb02d233c0
SHA1

cad8bde153dbd31ef1949bfe313ee81779556490
SHA256

556383860d78dc7153abb8592cc8d38127fc7bfbbec927555873b691a56e87e1
SHA512

bef3fcb66354519e8545f9cd3561738ebc0bb6b522706b76fd3c7f72587632f0280b4ec5b8758399c21da5ec260017281bace5ca5eda3c38ec268ec4e55916a2
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zx8u:c8y93KQjy7G55riF1cMo03/8u

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1732-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1732-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1732-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1732-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2376 1732 WerFault.exe rundll32.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rundll32.exe

description pid process

Token: SeDebugPrivilege 1732 rundll32.exe

pid	pid_target	process	target process
2376	1732	WerFault.exe	rundll32.exe

description	pid	process
Token: SeDebugPrivilege	1732	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2988 wrote to memory of 1732	2988	rundll32.exe	rundll32.exe
PID 2988 wrote to memory of 1732	2988	rundll32.exe	rundll32.exe
PID 2988 wrote to memory of 1732	2988	rundll32.exe	rundll32.exe
PID 2988 wrote to memory of 1732	2988	rundll32.exe	rundll32.exe
PID 2988 wrote to memory of 1732	2988	rundll32.exe	rundll32.exe
PID 2988 wrote to memory of 1732	2988	rundll32.exe	rundll32.exe
PID 2988 wrote to memory of 1732	2988	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 2376	1732	rundll32.exe	WerFault.exe
PID 1732 wrote to memory of 2376	1732	rundll32.exe	WerFault.exe
PID 1732 wrote to memory of 2376	1732	rundll32.exe	WerFault.exe
PID 1732 wrote to memory of 2376	1732	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\556383860d78dc7153abb8592cc8d38127fc7bfbbec927555873b691a56e87e1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2988

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\556383860d78dc7153abb8592cc8d38127fc7bfbbec927555873b691a56e87e1.dll,#1
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 328
3⤵
- Program crash
PID:2376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1732-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1732-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1732-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1732-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download