aa5d50fe1095a1baace546330ead5e57637d325674e9a4aa5a44abeff6b888f6

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/01/2025, 00:19

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General

Target

aa5d50fe1095a1baace546330ead5e57637d325674e9a4aa5a44abeff6b888f6.dll
Size

76KB
MD5

1bb0ca99efa6e945fc70f90d87332c9c
SHA1

e128747d0514c3756a1e28d1432dcf561ec3f945
SHA256

aa5d50fe1095a1baace546330ead5e57637d325674e9a4aa5a44abeff6b888f6
SHA512

79fdc15d232a77d2275c472e57fc07512211b212b23646f9ed1b17e24622666c2ddd5fd3b951a20e946db0680067d28ba00652b2cad5354b490d5dbe15e6ea02
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZIY06J:c8y93KQjy7G55riF1cMo03qY9

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 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1056-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1056-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3660	1056	WerFault.exe	83

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	1056	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4752 wrote to memory of 1056	4752	rundll32.exe	83
PID 4752 wrote to memory of 1056	4752	rundll32.exe	83
PID 4752 wrote to memory of 1056	4752	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa5d50fe1095a1baace546330ead5e57637d325674e9a4aa5a44abeff6b888f6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4752
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa5d50fe1095a1baace546330ead5e57637d325674e9a4aa5a44abeff6b888f6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1056
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1056 -s 712
    3⤵
    - Program crash
    PID:3660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1056 -ip 1056
1⤵
PID:4340

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/1056-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1056-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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