f9d1a155c23e9f51eb8b6045bddf284a9045fd7361732f7287df18c55e2f06db

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
06/07/2024, 18:53

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General

Target

2940b5a1d1f5d368850248e9ab555491_JaffaCakes118.dll
Size

21KB
MD5

2940b5a1d1f5d368850248e9ab555491
SHA1

7ee4b0072cb2e767404c74eceee9a92d27e28199
SHA256

f9d1a155c23e9f51eb8b6045bddf284a9045fd7361732f7287df18c55e2f06db
SHA512

66aa1ebe5726c85b4a28c30472605cca111d8ee3ae6c8862e97c6e0ffd35b56a58305a2cdb73caa25e9858c840efb3d3138391c0b541c262166e74e8e70e8bdc
SSDEEP

384:KLWCpCJ6xhNN8S0gPW2KUCphaMTaR3ItDCuV9UAvdOh+/3o:wzZtN8SVKUCpJTaItO4U6di+/

Score

8^/10

evasion execution upx

Malware Config

Signatures

Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4540-0-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/4540-12-0x0000000000400000-0x000000000041F000-memory.dmp	upx

Launches sc.exe 4 IoCs

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

pid	Process
4328	sc.exe
2460	sc.exe
1888	sc.exe
3340	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\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
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

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4540	rundll32.exe
Token: SeAuditPrivilege	2004	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1264 wrote to memory of 4540	1264	rundll32.exe	82
PID 1264 wrote to memory of 4540	1264	rundll32.exe	82
PID 1264 wrote to memory of 4540	1264	rundll32.exe	82
PID 4540 wrote to memory of 2188	4540	rundll32.exe	85
PID 4540 wrote to memory of 2188	4540	rundll32.exe	85
PID 4540 wrote to memory of 2188	4540	rundll32.exe	85
PID 4540 wrote to memory of 4328	4540	rundll32.exe	88
PID 4540 wrote to memory of 4328	4540	rundll32.exe	88
PID 4540 wrote to memory of 4328	4540	rundll32.exe	88
PID 4540 wrote to memory of 2460	4540	rundll32.exe	90
PID 4540 wrote to memory of 2460	4540	rundll32.exe	90
PID 4540 wrote to memory of 2460	4540	rundll32.exe	90
PID 4540 wrote to memory of 1888	4540	rundll32.exe	92
PID 4540 wrote to memory of 1888	4540	rundll32.exe	92
PID 4540 wrote to memory of 1888	4540	rundll32.exe	92
PID 4540 wrote to memory of 3340	4540	rundll32.exe	95
PID 4540 wrote to memory of 3340	4540	rundll32.exe	95
PID 4540 wrote to memory of 3340	4540	rundll32.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2940b5a1d1f5d368850248e9ab555491_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1264
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2940b5a1d1f5d368850248e9ab555491_JaffaCakes118.dll,#1
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4540
- - C:\Windows\SysWOW64\reg.exe
    C:\Windows\System32\reg.exe import "C:\Users\Admin\ebek.avi"
    3⤵
    PID:2188
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe config PolicyAgent start=auto
    3⤵
    - Launches sc.exe
    PID:4328
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe stop PolicyAgent
    3⤵
    - Launches sc.exe
    PID:2460
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe start PolicyAgent
    3⤵
    - Launches sc.exe
    PID:1888
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe stop PolicyAgent
    3⤵
    - Launches sc.exe
    PID:3340

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

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\ebek.avi

Filesize
56KB

MD5
bc8025bc98da7f4ed891c9f9991d3ff1

SHA1
70a69a7fcebe9b43f00a1fa713e3a0621bf3ac6d

SHA256
59b9dc39d69f8b0aa350f550e42e632b396237865776d0ce75477f8fe3f9016f

SHA512
7f772261e003d2df9162ae4aeaab2bda674ee2721b3300cc8b2a2f4904af6bc9c565c7f2c3e67a7394eb1a387860a2544fc5bdc3e6de384b664f8d232ad6acf5

Download Submit
memory/4540-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4540-12-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download