828542c37e4869662c58ae5345eaf72904bf1e39d2bd7c1f0a4192fdb4836c60

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
07-02-2025 02:10

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General

Target

828542c37e4869662c58ae5345eaf72904bf1e39d2bd7c1f0a4192fdb4836c60.dll
Size

203KB
MD5

3371130654ea0cd8f35dc5220ee5e57f
SHA1

bf0c642f3f1baf149466a2dc5f0f1b21d4b46df6
SHA256

828542c37e4869662c58ae5345eaf72904bf1e39d2bd7c1f0a4192fdb4836c60
SHA512

2e09b231e843daae5a2b58b45822854082634635db487b4d7f452bc1f6a456b35e7aea332afd8537efb95965c17e154a53024ee9e1a75c9f68d7c323b861f344
SSDEEP

3072:aJ8IMILmCa3yx6oFEdgVXnF6C9Ugfxm32n7SpiMHKqS:5kmCaiEoFEd+F3txm2SpiMqqS

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2340-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2340-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2340-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2340-4-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2708	2340	WerFault.exe	30

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	2340	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2340	2168	rundll32.exe	30
PID 2168 wrote to memory of 2340	2168	rundll32.exe	30
PID 2168 wrote to memory of 2340	2168	rundll32.exe	30
PID 2168 wrote to memory of 2340	2168	rundll32.exe	30
PID 2168 wrote to memory of 2340	2168	rundll32.exe	30
PID 2168 wrote to memory of 2340	2168	rundll32.exe	30
PID 2168 wrote to memory of 2340	2168	rundll32.exe	30
PID 2340 wrote to memory of 2708	2340	rundll32.exe	31
PID 2340 wrote to memory of 2708	2340	rundll32.exe	31
PID 2340 wrote to memory of 2708	2340	rundll32.exe	31
PID 2340 wrote to memory of 2708	2340	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\828542c37e4869662c58ae5345eaf72904bf1e39d2bd7c1f0a4192fdb4836c60.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\828542c37e4869662c58ae5345eaf72904bf1e39d2bd7c1f0a4192fdb4836c60.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 328
    3⤵
    - Program crash
    PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2340-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2340-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2340-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2340-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2340-4-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download