e3834a616425b9cfaab79af4f43fb45a780b9347dcabd3e3bd4d2b517fb7398c

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10/01/2025, 09:22

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General

Target

e3834a616425b9cfaab79af4f43fb45a780b9347dcabd3e3bd4d2b517fb7398c.dll
Size

76KB
MD5

3b9aadb73c5d9be33686d5477475972f
SHA1

1b18b7442505802a2b0aeb6d0af6975c2cb6a276
SHA256

e3834a616425b9cfaab79af4f43fb45a780b9347dcabd3e3bd4d2b517fb7398c
SHA512

56d5f50bbaf6c4d981f6b58a3f416d8478ff8a9b0614bc77e4ecf5ad69bb269f128dc49dc492ec579bc148cd66b2fbb86764440eab319e3f832d6e57fcb00664
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z9WDb93ktit:c8y93KQjy7G55riF1cMo03jVW

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 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/316-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/316-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/316-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1888	316	WerFault.exe	28

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	316	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 316	1808	rundll32.exe	28
PID 1808 wrote to memory of 316	1808	rundll32.exe	28
PID 1808 wrote to memory of 316	1808	rundll32.exe	28
PID 1808 wrote to memory of 316	1808	rundll32.exe	28
PID 1808 wrote to memory of 316	1808	rundll32.exe	28
PID 1808 wrote to memory of 316	1808	rundll32.exe	28
PID 1808 wrote to memory of 316	1808	rundll32.exe	28
PID 316 wrote to memory of 1888	316	rundll32.exe	29
PID 316 wrote to memory of 1888	316	rundll32.exe	29
PID 316 wrote to memory of 1888	316	rundll32.exe	29
PID 316 wrote to memory of 1888	316	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e3834a616425b9cfaab79af4f43fb45a780b9347dcabd3e3bd4d2b517fb7398c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e3834a616425b9cfaab79af4f43fb45a780b9347dcabd3e3bd4d2b517fb7398c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:316
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 316 -s 308
    3⤵
    - Program crash
    PID:1888

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

Replay Monitor

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Downloads

memory/316-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/316-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/316-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download