52bd2244448231a182e60f694ab3b2f023386300e931f4ee6ea2758f11298706

Analysis

max time kernel
125s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2024, 08:24

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General

Target

fa0f3b5997e36eefa3f557ece53e0a86_JaffaCakes118.dll
Size

1.3MB
MD5

fa0f3b5997e36eefa3f557ece53e0a86
SHA1

8c626452f303315bdc44b4091025d81e4b847638
SHA256

52bd2244448231a182e60f694ab3b2f023386300e931f4ee6ea2758f11298706
SHA512

267521802c585d5c3377e6a445e5b9e3c67c2ba49d7e78c14af53878a370749c7c3f3036480b5709d95db0a86166264f5b05e3158ea51f3f577a0ae34191ff3c
SSDEEP

24576:UoBA5GIUt9YIWVlPpYs1FQ1u7BjaYC2QrOg0pwD2KAp+TCTWk:1BA5dUt97YYqha7rOg7D2j+tk

Score

7^/10

discovery evasion themida

Malware Config

Signatures

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Wine	rundll32.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/3444-0-0x0000000075110000-0x0000000075507000-memory.dmp	themida
behavioral2/memory/3444-3-0x0000000075110000-0x0000000075507000-memory.dmp	themida

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 4044 wrote to memory of 3444	4044	rundll32.exe	89
PID 4044 wrote to memory of 3444	4044	rundll32.exe	89
PID 4044 wrote to memory of 3444	4044	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa0f3b5997e36eefa3f557ece53e0a86_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4044
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa0f3b5997e36eefa3f557ece53e0a86_JaffaCakes118.dll,#1
  2⤵
  - Identifies Wine through registry keys
  - System Location Discovery: System Language Discovery
  PID:3444

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=4348,i,1828333185976713750,7918646547767660928,262144 --variations-seed-version --mojo-platform-channel-handle=4408 /prefetch:8
1⤵
PID:5044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3444-0-0x0000000075110000-0x0000000075507000-memory.dmp

Filesize
4.0MB

Download
memory/3444-1-0x0000000002240000-0x00000000022DD000-memory.dmp

Filesize
628KB

Download
memory/3444-2-0x00000000023F0000-0x000000000258E000-memory.dmp

Filesize
1.6MB

Download
memory/3444-3-0x0000000075110000-0x0000000075507000-memory.dmp

Filesize
4.0MB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads