ba120336cf51ddff6c801ab828317bdd5212f7d6786493954d8a142df666436e

Analysis

max time kernel
115s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16/08/2024, 13:10

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General

Target
eaf965997b5a8fb4c882b9be6d80ef70N.dll
Size 76KB
Sample240816-qevpsawdpf
SHA256 ba120336cf51ddff6c801ab828317bdd5212f7d6786493954d8a142df666436e
MD5 eaf965997b5a8fb4c882b9be6d80ef70
SHA1 f2290577920e72bcf0b3397e03b55f3415fb552d
SHA512 886d2abd20b890ba279f2848ef018f024c92b806ea9643ead98d270ccc413a6c7dd412b8ad8f6d6fce76db26c6271476365f473502bdb6a090dd22e169c71b91
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z1y/lHlGSOZD:c8y93KQjy7G55riF1cMo03HAlHID
MD5 SHA1 SHA512 SSDEEP

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/3112-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3112-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
544	3112	WerFault.exe	91

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	3112	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3884 wrote to memory of 3112	3884	rundll32.exe	91
PID 3884 wrote to memory of 3112	3884	rundll32.exe	91
PID 3884 wrote to memory of 3112	3884	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\eaf965997b5a8fb4c882b9be6d80ef70N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3884
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\eaf965997b5a8fb4c882b9be6d80ef70N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3112
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3112 -s 712
    3⤵
    - Program crash
    PID:544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3112 -ip 3112
1⤵
PID:3504

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4388,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=3864 /prefetch:8
1⤵
PID:2100

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/3112-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/3112-2-0x0000000010000000-0x0000000010030000-memory.dmp