bbf3fb1949cd176ca93061cc55787a1d4dd212737bb7cf3f5988591596345346

Analysis

max time kernel
115s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 23:46

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
4bd072df920962583522681dd315c640N.dll
Size 76KB
Sample240912-3shnlasfqa
SHA256 bbf3fb1949cd176ca93061cc55787a1d4dd212737bb7cf3f5988591596345346
MD5 4bd072df920962583522681dd315c640
SHA1 0a9f17cbc07f760400192b48de44c296c3d64840
SHA512 00f2afa18fb68a50335e2089b8eb425b8f23c06c4b0cab43e012e04efbd20c55e8ce584767099a2b9d634e628bf69782702191575c4413f98718d4e97ceb8630
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZRcTVZ:c8y93KQjy7G55riF1cMo03HcTr
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/220-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/220-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1068	220	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	220	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 220	2356	rundll32.exe	90
PID 2356 wrote to memory of 220	2356	rundll32.exe	90
PID 2356 wrote to memory of 220	2356	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4bd072df920962583522681dd315c640N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4bd072df920962583522681dd315c640N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:220
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 220 -s 704
    3⤵
    - Program crash
    PID:1068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 220 -ip 220
1⤵
PID:4124

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=4056,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=3956 /prefetch:8
1⤵
PID:4856

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/220-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/220-2-0x0000000010000000-0x0000000010030000-memory.dmp