5b3171ee6989ce5191b4b2c9062383864569a24dd940e429085074fadb85e335

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 01:09

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General

Target

5b3171ee6989ce5191b4b2c9062383864569a24dd940e429085074fadb85e335.dll
Size

76KB
MD5

0285b28330735c4ad1db4eba61bf09e5
SHA1

276a6382c9d5d6de4f2023e1bedb55cfcca68051
SHA256

5b3171ee6989ce5191b4b2c9062383864569a24dd940e429085074fadb85e335
SHA512

002de2eff3320e603b85c474774fedf7bfdce77722f765b25dc716913c4ce903ff7161395f025b396ffb9bba6a41a32504268e4fef5c00ba920ee4364de13ef6
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZT3ac:c8y93KQjy7G55riF1cMo03cc

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/584-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/584-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2316	584	WerFault.exe	29

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

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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	584	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 584	2204	rundll32.exe	29
PID 2204 wrote to memory of 584	2204	rundll32.exe	29
PID 2204 wrote to memory of 584	2204	rundll32.exe	29
PID 2204 wrote to memory of 584	2204	rundll32.exe	29
PID 2204 wrote to memory of 584	2204	rundll32.exe	29
PID 2204 wrote to memory of 584	2204	rundll32.exe	29
PID 2204 wrote to memory of 584	2204	rundll32.exe	29
PID 584 wrote to memory of 2316	584	rundll32.exe	30
PID 584 wrote to memory of 2316	584	rundll32.exe	30
PID 584 wrote to memory of 2316	584	rundll32.exe	30
PID 584 wrote to memory of 2316	584	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b3171ee6989ce5191b4b2c9062383864569a24dd940e429085074fadb85e335.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b3171ee6989ce5191b4b2c9062383864569a24dd940e429085074fadb85e335.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:584
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 584 -s 304
    3⤵
    - Program crash
    PID:2316

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/584-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/584-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download