3ea33304e436103ddcd4beb3f5d289b4fe7fb001ed9e24106358e5a552e8f8f3

Analysis

max time kernel
121s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 23:01

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General

Target

3ea33304e436103ddcd4beb3f5d289b4fe7fb001ed9e24106358e5a552e8f8f3.dll
Size

76KB
MD5

d8b9c60f762819b68235dc19ea5f56b3
SHA1

f83c14990b6c347a200eb7dcc1e3025ce04cb597
SHA256

3ea33304e436103ddcd4beb3f5d289b4fe7fb001ed9e24106358e5a552e8f8f3
SHA512

0ed9575e6a58c3ee0ec7fdba7138fa75530500edb1c45b4c7e89c2407dd5b2ff10e390e66f58a54e0729072d40f0f0191ce5da2b55671c5b821b15b7211b691b
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZjMoHG2:c8y93KQjy7G55riF1cMo0397HG2

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

Processes:

resource	yara_rule
behavioral1/memory/2400-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2400-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2400-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2400-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2556	2400	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

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	2400	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 2092 wrote to memory of 2400	2092	rundll32.exe	30
PID 2092 wrote to memory of 2400	2092	rundll32.exe	30
PID 2092 wrote to memory of 2400	2092	rundll32.exe	30
PID 2092 wrote to memory of 2400	2092	rundll32.exe	30
PID 2092 wrote to memory of 2400	2092	rundll32.exe	30
PID 2092 wrote to memory of 2400	2092	rundll32.exe	30
PID 2092 wrote to memory of 2400	2092	rundll32.exe	30
PID 2400 wrote to memory of 2556	2400	rundll32.exe	31
PID 2400 wrote to memory of 2556	2400	rundll32.exe	31
PID 2400 wrote to memory of 2556	2400	rundll32.exe	31
PID 2400 wrote to memory of 2556	2400	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ea33304e436103ddcd4beb3f5d289b4fe7fb001ed9e24106358e5a552e8f8f3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ea33304e436103ddcd4beb3f5d289b4fe7fb001ed9e24106358e5a552e8f8f3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2400
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 328
    3⤵
    - Program crash
    PID:2556

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/2400-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2400-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2400-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2400-5-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download