cee065a78a687c149c7c7410b734290b33ed7d665121de0283311b2c868fa117

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01-11-2024 16:58

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General

Target

7zxa.dll
Size

74.9MB
MD5

7debcf459eda4083f84755ebf4f86b2e
SHA1

836415a2569edece9d171eb5466e2937cd6ac968
SHA256

34aba14b155a63db5f40ca0784104bc1003c5098752c52e726ee34d51bfabbdb
SHA512

607b39c4836c408db19a8739c44af1da0b39398b009c356162fbef28faeb4cd8ae811dcffbdf3b20b411376e45593cfabb34a83f3b8f3c8a30cb576d29d9f63b
SSDEEP

393216:FN6KVjMOasRE0Sepz8A6AUPattEG2aEUbwi5iHEJIa5yJBz7h8zxPtYLx5mYfAHb:Vj0X3A2z5H8IaIp8zxtYd5mYfc

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2548 2156 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2548	2156	WerFault.exe	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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.exeSCHTASKS.exe

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid process

2156 rundll32.exe
2156 rundll32.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

rundll32.exe

pid process

2156 rundll32.exe
2156 rundll32.exe
2156 rundll32.exe
2156 rundll32.exe

pid	process
2156	rundll32.exe
2156	rundll32.exe

pid	process
2156	rundll32.exe
2156	rundll32.exe
2156	rundll32.exe
2156	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2192 wrote to memory of 2156	2192	rundll32.exe	rundll32.exe
PID 2192 wrote to memory of 2156	2192	rundll32.exe	rundll32.exe
PID 2192 wrote to memory of 2156	2192	rundll32.exe	rundll32.exe
PID 2192 wrote to memory of 2156	2192	rundll32.exe	rundll32.exe
PID 2192 wrote to memory of 2156	2192	rundll32.exe	rundll32.exe
PID 2192 wrote to memory of 2156	2192	rundll32.exe	rundll32.exe
PID 2192 wrote to memory of 2156	2192	rundll32.exe	rundll32.exe
PID 2156 wrote to memory of 2548	2156	rundll32.exe	WerFault.exe
PID 2156 wrote to memory of 2548	2156	rundll32.exe	WerFault.exe
PID 2156 wrote to memory of 2548	2156	rundll32.exe	WerFault.exe
PID 2156 wrote to memory of 2548	2156	rundll32.exe	WerFault.exe
PID 2156 wrote to memory of 2552	2156	rundll32.exe	SCHTASKS.exe
PID 2156 wrote to memory of 2552	2156	rundll32.exe	SCHTASKS.exe
PID 2156 wrote to memory of 2552	2156	rundll32.exe	SCHTASKS.exe
PID 2156 wrote to memory of 2552	2156	rundll32.exe	SCHTASKS.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7zxa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2192

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7zxa.dll,#1
2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2156 -s 452
3⤵
- Program crash
PID:2548

C:\Windows\SysWOW64\SCHTASKS.exe
SCHTASKS /Query /TN "rundll32"
3⤵
- System Location Discovery: System Language Discovery
PID:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2156-0-0x0000000002090000-0x0000000006C4B000-memory.dmp

Filesize
75.7MB

Download
memory/2156-2-0x0000000002090000-0x0000000006C4B000-memory.dmp

Filesize
75.7MB

Download