0985d74ed9161c61b23351ec548d08046864b3d392de9b110842807c3c9b6c03

Analysis

max time kernel
143s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/08/2024, 10:38

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General

Target

95be5108e04afb9c17c8e653a51ceebb_JaffaCakes118.dll
Size

32KB
MD5

95be5108e04afb9c17c8e653a51ceebb
SHA1

bf5fbc22e66dca3d717c3f8a18013042a1a3184b
SHA256

0985d74ed9161c61b23351ec548d08046864b3d392de9b110842807c3c9b6c03
SHA512

d72d8b1026dc96cf11ccdd665ba8edcd028889e2030201fb1af748d047fcb69367b8f15fa92d7953067df8ee50e1f654d612a454a45be6d700683f26c45d16a5
SSDEEP

768:jpzZhH7ab63YPVhXiiP2BXcy6huMVaM5GwTELE1q5I/:jpVhH7abxPVhXiiPsXx6xX53TEQ1q5m

Score

8^/10

discovery 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/2740-0-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/2740-13-0x0000000000400000-0x000000000041F000-memory.dmp	upx

Launches sc.exe 4 IoCs

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

pid	Process
3976	sc.exe
376	sc.exe
2656	sc.exe
3228	sc.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	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_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\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
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe
2740	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2740	rundll32.exe
Token: SeAuditPrivilege	1128	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2740	2596	rundll32.exe	84
PID 2596 wrote to memory of 2740	2596	rundll32.exe	84
PID 2596 wrote to memory of 2740	2596	rundll32.exe	84
PID 2740 wrote to memory of 2096	2740	rundll32.exe	85
PID 2740 wrote to memory of 2096	2740	rundll32.exe	85
PID 2740 wrote to memory of 2096	2740	rundll32.exe	85
PID 2740 wrote to memory of 3976	2740	rundll32.exe	90
PID 2740 wrote to memory of 3976	2740	rundll32.exe	90
PID 2740 wrote to memory of 3976	2740	rundll32.exe	90
PID 2740 wrote to memory of 376	2740	rundll32.exe	92
PID 2740 wrote to memory of 376	2740	rundll32.exe	92
PID 2740 wrote to memory of 376	2740	rundll32.exe	92
PID 2740 wrote to memory of 2656	2740	rundll32.exe	94
PID 2740 wrote to memory of 2656	2740	rundll32.exe	94
PID 2740 wrote to memory of 2656	2740	rundll32.exe	94
PID 2740 wrote to memory of 3228	2740	rundll32.exe	97
PID 2740 wrote to memory of 3228	2740	rundll32.exe	97
PID 2740 wrote to memory of 3228	2740	rundll32.exe	97

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\95be5108e04afb9c17c8e653a51ceebb_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\95be5108e04afb9c17c8e653a51ceebb_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2740
- - C:\Windows\SysWOW64\reg.exe
    C:\Windows\System32\reg.exe import "C:\Users\Admin\gudw.avi"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2096
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe config PolicyAgent start=auto
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:3976
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe stop PolicyAgent
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:376
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe start PolicyAgent
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2656
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe stop PolicyAgent
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:3228

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1128

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Drv.sys

Filesize
4KB

MD5
629a972371a65558d98ca557d3bdf0cc

SHA1
571ace164002afdbd9f454d4c712dd68f8d1d3a5

SHA256
47e2be96c29010df27502a6fb6fa408b2084caa251fe852671609bfe89923e07

SHA512
7ba47ce2a9b0833d3a166ce7e70965a375508edeb5d9bd8d7cae261e3171c293474eca14f4d67a96c30a437c63bbb7b7f7f6728478702ad5ecf73be5d0feadc1

Download Submit
C:\Users\Admin\gudw.avi

Filesize
56KB

MD5
bc8025bc98da7f4ed891c9f9991d3ff1

SHA1
70a69a7fcebe9b43f00a1fa713e3a0621bf3ac6d

SHA256
59b9dc39d69f8b0aa350f550e42e632b396237865776d0ce75477f8fe3f9016f

SHA512
7f772261e003d2df9162ae4aeaab2bda674ee2721b3300cc8b2a2f4904af6bc9c565c7f2c3e67a7394eb1a387860a2544fc5bdc3e6de384b664f8d232ad6acf5

Download Submit
memory/2740-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2740-13-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download