21e01de26a1cb4659e770c1a1910140cdcc203fb06694271a4bbeda2ae92c5bf

Analysis

max time kernel
125s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15/09/2024, 04:00

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General

Target

e1a9daaedb4fd9d81391ac3520395db6_JaffaCakes118.dll
Size

21KB
MD5

e1a9daaedb4fd9d81391ac3520395db6
SHA1

14b9ed056baead8db7b6ebd4d2d5165c1c013ea6
SHA256

21e01de26a1cb4659e770c1a1910140cdcc203fb06694271a4bbeda2ae92c5bf
SHA512

927efd5fbd540be7211fa359b1b6f936ecb414bdce9b47fe61239321e39ee5094cf7d91945cd231efeca1fc81fbe2a1dec0dc688ee5c9ec9299d952a11a9d0fd
SSDEEP

384:OLWCpCJ6x37z8MxLvLW9GhOEv+fmuhx+VqC0eWPpnwDL9ADemjx5uo:8zZhFxLDW9Gc9fmuhxKqCCyL93mP

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/4216-0-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/4216-13-0x0000000000400000-0x000000000041F000-memory.dmp	upx

Launches sc.exe 4 IoCs

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

pid	Process
4028	sc.exe
2928	sc.exe
2768	sc.exe
3820	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.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
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe
4216	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4216	rundll32.exe
Token: SeAuditPrivilege	4896	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4692 wrote to memory of 4216	4692	rundll32.exe	90
PID 4692 wrote to memory of 4216	4692	rundll32.exe	90
PID 4692 wrote to memory of 4216	4692	rundll32.exe	90
PID 4216 wrote to memory of 2476	4216	rundll32.exe	93
PID 4216 wrote to memory of 2476	4216	rundll32.exe	93
PID 4216 wrote to memory of 2476	4216	rundll32.exe	93
PID 4216 wrote to memory of 4028	4216	rundll32.exe	96
PID 4216 wrote to memory of 4028	4216	rundll32.exe	96
PID 4216 wrote to memory of 4028	4216	rundll32.exe	96
PID 4216 wrote to memory of 2928	4216	rundll32.exe	98
PID 4216 wrote to memory of 2928	4216	rundll32.exe	98
PID 4216 wrote to memory of 2928	4216	rundll32.exe	98
PID 4216 wrote to memory of 2768	4216	rundll32.exe	100
PID 4216 wrote to memory of 2768	4216	rundll32.exe	100
PID 4216 wrote to memory of 2768	4216	rundll32.exe	100
PID 4216 wrote to memory of 3820	4216	rundll32.exe	103
PID 4216 wrote to memory of 3820	4216	rundll32.exe	103
PID 4216 wrote to memory of 3820	4216	rundll32.exe	103

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1a9daaedb4fd9d81391ac3520395db6_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4692
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1a9daaedb4fd9d81391ac3520395db6_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:4216
- - C:\Windows\SysWOW64\reg.exe
    C:\Windows\System32\reg.exe import "C:\Users\Admin\rneq.avi"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2476
- - 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:4028
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe stop PolicyAgent
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2928
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe start PolicyAgent
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2768
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe stop PolicyAgent
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:3820

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4896

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=3000,i,2727319350781907497,7925939240893079607,262144 --variations-seed-version --mojo-platform-channel-handle=4260 /prefetch:8
1⤵
PID:1712

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
3KB

MD5
9da500eda4febd002f29860d8de5050f

SHA1
71f867503fa1e9fc8114f34ab86655633ff47a38

SHA256
7f5c4cfa11c8b31c5948912847dea3ea268433a1db843da5ac2c53386193b7d6

SHA512
85e0f79de7ba982032087286abae2a118facf4e764f7032a34d6500ce341273f8e517f1862b50131fe5d5dac91e8f14524867c9657cce939101709efd076710d

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

Filesize
56KB

MD5
bc8025bc98da7f4ed891c9f9991d3ff1

SHA1
70a69a7fcebe9b43f00a1fa713e3a0621bf3ac6d

SHA256
59b9dc39d69f8b0aa350f550e42e632b396237865776d0ce75477f8fe3f9016f

SHA512
7f772261e003d2df9162ae4aeaab2bda674ee2721b3300cc8b2a2f4904af6bc9c565c7f2c3e67a7394eb1a387860a2544fc5bdc3e6de384b664f8d232ad6acf5

Download Submit
memory/4216-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4216-13-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download