ab6f29f1fbdee48499a232c1792a286d0dd75abcf15aef23a35a42a9128e731b

Analysis

max time kernel
131s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 05:58

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General

Target

eab6e85164144c33c5880444cb0552ff_JaffaCakes118.exe
Size

91KB
MD5

eab6e85164144c33c5880444cb0552ff
SHA1

d87ead35db7089f6b974f2338c594222013bf1a7
SHA256

ab6f29f1fbdee48499a232c1792a286d0dd75abcf15aef23a35a42a9128e731b
SHA512

cf6ea6df73f2417ba5b6328a23ddb2b017c1b3853dda835e81cdcedc341cf850ad5999d54a1e2fd49433b65f87da77906e98e6e5a16793c9ce0a8ef2f1547539
SSDEEP

1536:ewOm0Ef1Xag6k8tNZIg66vKeofTH0N5wc0ESM2QVPnWaoKdltw4JjJw:eHmV1Xag6k8BJvSU/IGtVPToqw41Jw

Score

8^/10

discovery persistence

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\FastUv32.dll"	eab6e85164144c33c5880444cb0552ff_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
2788	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\isapeep.sys	eab6e85164144c33c5880444cb0552ff_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\FastUv32.dll	eab6e85164144c33c5880444cb0552ff_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	eab6e85164144c33c5880444cb0552ff_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
656	Process not Found

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2516	eab6e85164144c33c5880444cb0552ff_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2516	eab6e85164144c33c5880444cb0552ff_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2516	eab6e85164144c33c5880444cb0552ff_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 1756	2516	eab6e85164144c33c5880444cb0552ff_JaffaCakes118.exe	90
PID 2516 wrote to memory of 1756	2516	eab6e85164144c33c5880444cb0552ff_JaffaCakes118.exe	90
PID 2516 wrote to memory of 1756	2516	eab6e85164144c33c5880444cb0552ff_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\eab6e85164144c33c5880444cb0552ff_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eab6e85164144c33c5880444cb0552ff_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\EAB6E8~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1756

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s FastUserSwitchingCompatibility
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2788

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=4512,i,4174666705242427184,7333705955694532165,262144 --variations-seed-version --mojo-platform-channel-handle=4500 /prefetch:8
1⤵
PID:1480

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

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

\??\c:\windows\SysWOW64\fastuv32.dll

Filesize
60KB

MD5
50f49050e430d275fea3a20634c4134b

SHA1
b7f616a4d7ea4ad31db7f79c5db3cd759ad9aa8f

SHA256
83eef91b1cf55a2f80c4963625578f4f0edde6a3e8d8050b28bc3ae404f4e526

SHA512
f3db060d665fd40060f870440bf681f8a89b51cfec6dd7ee1292a03d37006022bd366d573580c4942478d894c740573b4046039130d60050eec869a54070f4d0

Download Submit
memory/2516-0-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2516-9-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download