829e7dcb0370daed0d977f6b0fe3c4d579f729e372bc38ba7d79ef1230332075

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
27-07-2024 01:46

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General

Target

7c894780ed66bfb57a2143a470d1f9b0N.dll
Size

76KB
MD5

7c894780ed66bfb57a2143a470d1f9b0
SHA1

76e5c325688b979602c83a7f5541e7f4882d6b51
SHA256

829e7dcb0370daed0d977f6b0fe3c4d579f729e372bc38ba7d79ef1230332075
SHA512

86dc4f4722d11acd13603052f141211d468f5c95729cc3835413caf237b7d24a3a587a2c60a8a2ad21e3ef1794abbb049ea68958521e016b9562b03cf2511a11
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZlYqtB:c8y93KQjy7G55riF1cMo03Hb

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2656-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2656-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2676 2656 WerFault.exe rundll32.exe
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
discovery

System Language Discovery
T1614.001

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rundll32.exe

description pid process

Token: SeDebugPrivilege 2656 rundll32.exe

pid	pid_target	process	target process
2676	2656	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

description	pid	process
Token: SeDebugPrivilege	2656	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2372 wrote to memory of 2656	2372	rundll32.exe	rundll32.exe
PID 2372 wrote to memory of 2656	2372	rundll32.exe	rundll32.exe
PID 2372 wrote to memory of 2656	2372	rundll32.exe	rundll32.exe
PID 2372 wrote to memory of 2656	2372	rundll32.exe	rundll32.exe
PID 2372 wrote to memory of 2656	2372	rundll32.exe	rundll32.exe
PID 2372 wrote to memory of 2656	2372	rundll32.exe	rundll32.exe
PID 2372 wrote to memory of 2656	2372	rundll32.exe	rundll32.exe
PID 2656 wrote to memory of 2676	2656	rundll32.exe	WerFault.exe
PID 2656 wrote to memory of 2676	2656	rundll32.exe	WerFault.exe
PID 2656 wrote to memory of 2676	2656	rundll32.exe	WerFault.exe
PID 2656 wrote to memory of 2676	2656	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7c894780ed66bfb57a2143a470d1f9b0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2372

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7c894780ed66bfb57a2143a470d1f9b0N.dll,#1
2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 328
3⤵
- Program crash
PID:2676

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/2656-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2656-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download