fa811f1264f7532b6241c3f4e3420ca358dc41f577696a53f37f5e1e4fd1b5ae

Analysis

max time kernel
114s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 21:57

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
8e97e1848fd698d3c0227b78b77a1cb0N.dll
Size 76KB
Sample240906-1vch9azfpg
SHA256 fa811f1264f7532b6241c3f4e3420ca358dc41f577696a53f37f5e1e4fd1b5ae
MD5 8e97e1848fd698d3c0227b78b77a1cb0
SHA1 87d3bbfdae765489932a4ad9d607a6aadb5b04e4
SHA512 831bac5d08570eb6b3f6dfbcb27f7728161e95d8bcb8aa9b2459b091a9a9862a1e2eae3efd5c0f9575557d1b50e19d843ed3f44c308630921c7f90ef2ed991a4
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZaGTmm3T:c8y93KQjy7G55riF1cMo03Aemm3T
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2240-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2240-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3408	2240	WerFault.exe	90

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	2240	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 216 wrote to memory of 2240	216	rundll32.exe	90
PID 216 wrote to memory of 2240	216	rundll32.exe	90
PID 216 wrote to memory of 2240	216	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e97e1848fd698d3c0227b78b77a1cb0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:216
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e97e1848fd698d3c0227b78b77a1cb0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2240
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 712
    3⤵
    - Program crash
    PID:3408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2240 -ip 2240
1⤵
PID:2864

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=3804,i,3387628439405076340,17957358341235678872,262144 --variations-seed-version --mojo-platform-channel-handle=4220 /prefetch:8
1⤵
PID:1076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2240-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/2240-1-0x0000000010000000-0x0000000010030000-memory.dmp