399a66a264facc46f2a703c9de786fcff6707f1fa4ca383b9a35b3fdd073cb7e

Analysis

max time kernel
125s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2024, 12:13

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General

Target

_ssl.dll
Size

264KB
MD5

fec787079b0c70d240d54927daa11f27
SHA1

513cfb81c45196fd94245ed4f2901ebec2422d13
SHA256

96378c1fc08333b3846024b23cff4ae854bd220fdfa4bd2b28eccf5fed6ea716
SHA512

24e5220d2d6a9900d898b417b3fcc07bd73f54c71a2a6ca9382a2c8b88ee4fe5ae1204052aa468e91dd2507ca70280a5b952b79814cb6e0525f13ee0361c838b
SSDEEP

6144:EARy19FS4sIY+eyHT39/zmZoJl21I6DWnBwmDLsJiF9oS:xy1LSBoeyHLVzm2I1I6DWfqiF9oS

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral20/memory/4900-0-0x0000000010000000-0x00000000100BD000-memory.dmp	upx
behavioral20/memory/4900-1-0x00000000750B0000-0x0000000075161000-memory.dmp	upx
behavioral20/memory/4900-2-0x000000001E000000-0x000000001E24E000-memory.dmp	upx
behavioral20/memory/4900-3-0x0000000010000000-0x00000000100BD000-memory.dmp	upx
behavioral20/memory/4900-5-0x000000001E000000-0x000000001E24E000-memory.dmp	upx

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 WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 4900	2536	rundll32.exe	90
PID 2536 wrote to memory of 4900	2536	rundll32.exe	90
PID 2536 wrote to memory of 4900	2536	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\_ssl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\_ssl.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4900

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=4464,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=1320 /prefetch:8
1⤵
PID:412

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

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Downloads

memory/4900-0-0x0000000010000000-0x00000000100BD000-memory.dmp

Filesize
756KB

Download
memory/4900-1-0x00000000750B0000-0x0000000075161000-memory.dmp

Filesize
708KB

Download
memory/4900-2-0x000000001E000000-0x000000001E24E000-memory.dmp

Filesize
2.3MB

Download
memory/4900-3-0x0000000010000000-0x00000000100BD000-memory.dmp

Filesize
756KB

Download
memory/4900-4-0x00000000750B0000-0x0000000075161000-memory.dmp

Filesize
708KB

Download
memory/4900-5-0x000000001E000000-0x000000001E24E000-memory.dmp

Filesize
2.3MB

Download