f13cac36eee733155c3bccf019b3e3831419b0c3190d747e95f9c0db99dd8c8d

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
21/04/2024, 11:13

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General

Target

ff271ab8a5d5c9cd0659ab4217422523_JaffaCakes118.dll
Size

21KB
MD5

ff271ab8a5d5c9cd0659ab4217422523
SHA1

d3db7e245b5f5a940c07428669788213b5ce2036
SHA256

f13cac36eee733155c3bccf019b3e3831419b0c3190d747e95f9c0db99dd8c8d
SHA512

d91f0c005440f9b6722ce9e9b1d623c3f390a6eef3ae610334098f1c589eb1df1615cf49e9d62110d7860f8379e256d2fa2e17e062c185dbe5ebcbdb17d13c39
SSDEEP

384:TLWCpCJ6x37z8MxLvLW9GhOEv+fmuhx+VqC0eWPpnwDL9ADemjx5uo:/zZhFxLDW9Gc9fmuhxKqCCyL93mP

Score

8^/10

evasion upx

Malware Config

Signatures

Stops running service(s) 3 TTPs
evasion

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4280-0-0x0000000000650000-0x000000000066F000-memory.dmp	upx
behavioral2/memory/4280-12-0x0000000000650000-0x000000000066F000-memory.dmp	upx

Launches sc.exe 4 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
4844	sc.exe
448	sc.exe
1564	sc.exe
876	sc.exe

Checks SCSI registry key(s) 3 TTPs 4 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\HardwareID	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\HardwareID	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe
4280	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4280	rundll32.exe
Token: SeAuditPrivilege	3132	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 4280	2016	rundll32.exe	88
PID 2016 wrote to memory of 4280	2016	rundll32.exe	88
PID 2016 wrote to memory of 4280	2016	rundll32.exe	88
PID 4280 wrote to memory of 3540	4280	rundll32.exe	89
PID 4280 wrote to memory of 3540	4280	rundll32.exe	89
PID 4280 wrote to memory of 3540	4280	rundll32.exe	89
PID 4280 wrote to memory of 4844	4280	rundll32.exe	94
PID 4280 wrote to memory of 4844	4280	rundll32.exe	94
PID 4280 wrote to memory of 4844	4280	rundll32.exe	94
PID 4280 wrote to memory of 448	4280	rundll32.exe	96
PID 4280 wrote to memory of 448	4280	rundll32.exe	96
PID 4280 wrote to memory of 448	4280	rundll32.exe	96
PID 4280 wrote to memory of 1564	4280	rundll32.exe	98
PID 4280 wrote to memory of 1564	4280	rundll32.exe	98
PID 4280 wrote to memory of 1564	4280	rundll32.exe	98
PID 4280 wrote to memory of 876	4280	rundll32.exe	101
PID 4280 wrote to memory of 876	4280	rundll32.exe	101
PID 4280 wrote to memory of 876	4280	rundll32.exe	101

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff271ab8a5d5c9cd0659ab4217422523_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff271ab8a5d5c9cd0659ab4217422523_JaffaCakes118.dll,#1
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4280
- - C:\Windows\SysWOW64\reg.exe
    C:\Windows\System32\reg.exe import "C:\Users\Admin\kfko.avi"
    3⤵
    PID:3540
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe config PolicyAgent start=auto
    3⤵
    - Launches sc.exe
    PID:4844
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe stop PolicyAgent
    3⤵
    - Launches sc.exe
    PID:448
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe start PolicyAgent
    3⤵
    - Launches sc.exe
    PID:1564
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe stop PolicyAgent
    3⤵
    - Launches sc.exe
    PID:876

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

C:\Users\Admin\kfko.avi

Filesize
56KB

MD5
bc8025bc98da7f4ed891c9f9991d3ff1

SHA1
70a69a7fcebe9b43f00a1fa713e3a0621bf3ac6d

SHA256
59b9dc39d69f8b0aa350f550e42e632b396237865776d0ce75477f8fe3f9016f

SHA512
7f772261e003d2df9162ae4aeaab2bda674ee2721b3300cc8b2a2f4904af6bc9c565c7f2c3e67a7394eb1a387860a2544fc5bdc3e6de384b664f8d232ad6acf5

Download Submit
memory/4280-0-0x0000000000650000-0x000000000066F000-memory.dmp

Filesize
124KB

Download
memory/4280-12-0x0000000000650000-0x000000000066F000-memory.dmp

Filesize
124KB

Download