97fabec1866ef957e19ecb6ab4edfd91dad70eac456f82928b3913a0e0e7b853

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
27/09/2024, 09:07

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General

Target

fa1e8519923c7f451d4bdb52f9d66299_JaffaCakes118.dll
Size

876KB
MD5

fa1e8519923c7f451d4bdb52f9d66299
SHA1

ec997e0c286515343b272c3fe819ef8b33feadbb
SHA256

97fabec1866ef957e19ecb6ab4edfd91dad70eac456f82928b3913a0e0e7b853
SHA512

da17a9f34c8ea7d31baff91a764dd7b4f51de2aa8650b17f5ed1c8184cdf4d2540279288f169e27e6d5c13820660832d17f1e9fc9c46f45b58a9487013b96cca
SSDEEP

24576:n/ZjUSFX/EkhV6XPGoDWoSjEI1O41pVLipWOJF:/HV6OoDU1RQpWA

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2444-0-0x0000000000400000-0x00000000006A0000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4204	2444	WerFault.exe	89

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	2444	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2444	2548	rundll32.exe	89
PID 2548 wrote to memory of 2444	2548	rundll32.exe	89
PID 2548 wrote to memory of 2444	2548	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa1e8519923c7f451d4bdb52f9d66299_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa1e8519923c7f451d4bdb52f9d66299_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2444
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2444 -s 608
    3⤵
    - Program crash
    PID:4204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2444 -ip 2444
1⤵
PID:4964

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=4404,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=1320 /prefetch:8
1⤵
PID:4664

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

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Downloads

memory/2444-0-0x0000000000400000-0x00000000006A0000-memory.dmp

Filesize
2.6MB

Download
memory/2444-2-0x0000000001190000-0x0000000001290000-memory.dmp

Filesize
1024KB

Download
memory/2444-3-0x0000000000400000-0x00000000006A0000-memory.dmp

Filesize
2.6MB

Download
memory/2444-5-0x0000000000400000-0x00000000006A0000-memory.dmp

Filesize
2.6MB

Download