e7010ff576b408ac5824f52e9773bda76d00bf2f38b90f16772934e2798bb4d9

Analysis

max time kernel
150s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-08-2024 06:26

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General

Target

b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe
Size

84KB
MD5

b26992fe8fd1208bb2aad1f0fc8eb1bf
SHA1

0af8ba5f45c6a5b918a0ca0d1e64a3a72608081a
SHA256

e7010ff576b408ac5824f52e9773bda76d00bf2f38b90f16772934e2798bb4d9
SHA512

1e26da46a5dd4c1402a1f5eb5eaa40c1f202c5da95a1f7d4e76347a4e1ec7927b43f21312eb266504d79a6f2c86e9a09ad285921515a3642a2760c2b597df2ca
SSDEEP

1536:h6ggfUfojGnRR1J0+6Q230jgBhVulU8KgKFVXljQG6q8+t:h6uxJ0+yBz6jK9XtQ88+t

Score

8^/10

defense_evasion discovery persistence

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 2 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\AppMgmt\Parameters\ServiceDll = "C:\\Progra~1\\%Program Files%\\Wdcp.dll"	laass.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\AppMgmt\Parameters\ServiceDll = "C:\\Progra~1\\%Program Files%\\Wdcp.dll"	rundll32.exe

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0007000000023415-22.dat	acprotect

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3000	laass.exe

Loads dropped DLL 2 IoCs

pid	Process
3000	laass.exe
1208	rundll32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "file:c:\\windows\\362.VBS"	laass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "file:c:\\windows\\362.VBS"	rundll32.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in Program Files directory 7 IoCs

description	ioc	Process
File created	C:\Progra~1\%Program Files%\~	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe
File created	C:\Progra~1\%Program Files%\Wdcp.dll	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe
File opened for modification	C:\Progra~1\%Program Files%\Wdcp.dll	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe
File opened for modification	\??\c:\Program Files\%Program Files%	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe
File created	C:\Progra~1\%Program Files%\laass.exe	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe
File created	C:\Progra~1\%Program Files%\363.VBS	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe
File created	C:\Progra~1\%Program Files%\Cest.bat	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\windows\best.bat	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe
File created	C:\windows\362.vbs	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	laass.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4256	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe
4256	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe
4256	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe
4256	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe
4256	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe
4256	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe
3000	laass.exe
3000	laass.exe
3000	laass.exe
3000	laass.exe
1208	rundll32.exe
1208	rundll32.exe
3000	laass.exe
3000	laass.exe
1208	rundll32.exe
1208	rundll32.exe
3000	laass.exe
3000	laass.exe
1208	rundll32.exe
1208	rundll32.exe
3000	laass.exe
3000	laass.exe
1208	rundll32.exe
1208	rundll32.exe
3000	laass.exe
3000	laass.exe
1208	rundll32.exe
1208	rundll32.exe
3000	laass.exe
3000	laass.exe
1208	rundll32.exe
1208	rundll32.exe
3000	laass.exe
3000	laass.exe
1208	rundll32.exe
1208	rundll32.exe
3000	laass.exe
3000	laass.exe
1208	rundll32.exe
1208	rundll32.exe
3000	laass.exe
3000	laass.exe
1208	rundll32.exe
1208	rundll32.exe
3000	laass.exe
3000	laass.exe
1208	rundll32.exe
1208	rundll32.exe
3000	laass.exe
3000	laass.exe
1208	rundll32.exe
1208	rundll32.exe
3000	laass.exe
3000	laass.exe
1208	rundll32.exe
1208	rundll32.exe
3000	laass.exe
3000	laass.exe
1208	rundll32.exe
1208	rundll32.exe
3000	laass.exe
3000	laass.exe
1208	rundll32.exe
1208	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
3000	laass.exe
1208	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4256	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4256 wrote to memory of 3000	4256	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe	89
PID 4256 wrote to memory of 3000	4256	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe	89
PID 4256 wrote to memory of 3000	4256	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe	89
PID 4256 wrote to memory of 1208	4256	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe	90
PID 4256 wrote to memory of 1208	4256	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe	90
PID 4256 wrote to memory of 1208	4256	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe	90
PID 4256 wrote to memory of 4396	4256	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe	91
PID 4256 wrote to memory of 4396	4256	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe	91
PID 4256 wrote to memory of 4396	4256	b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b26992fe8fd1208bb2aad1f0fc8eb1bf_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4256
- C:\Program Files\%Program Files%\laass.exe
  "C:\Program Files\%Program Files%\laass.exe" Wdcp.dll main
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  PID:3000
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" Wdcp.dll main
  2⤵
  - Server Software Component: Terminal Services DLL
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1208
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\B26992~1.EXE > nul & rd c:\%Progr~1 > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\%Program Files%\Wdcp.dll

Filesize
21.1MB

MD5
cd9101c09f75939663cec188b7914dec

SHA1
47c7da31867d5930fb5215c4adf3a56e71461e6e

SHA256
1d6831782d73aea9e813b2452f5304f5715432cbfcea3756bc69e46ce8fb848f

SHA512
97f084515ee9a89ba98b678810eac14a46fc4e1d8c65f3be4cb26e73d7e38f4ad31de6856ec663b756525a2f83d28dea07907189905c90db3eff34d0c03b24d9

Download Submit
C:\Program Files\%Program Files%\laass.exe

Filesize
9KB

MD5
359c541c07a39ab11bb45aad29b2d2ce

SHA1
3c4f277f184ae306a4d0efe1bcb9e03ecabbb9b7

SHA256
6e2378348ebebf5b301744fedb0be396ef4e7e92ad94877da79eed9eb46850d5

SHA512
768050272dd4875a4c2a6a96f6337334c05d1512dfc0cc9ceee883a7c701de5e2e90872a6f9029de5b528b74c07cb8aa61c10f9f9e834f8021e9759136fcfbff

Download Submit
\??\c:\ntldr.sys

Filesize
90B

MD5
2decc7673a337ecad80bbbfed8a524bb

SHA1
7a0ade42fc8d51817572919584e0ef1a3c7bf18c

SHA256
7290f853e512f2c5d401ac03dbcb2e5f0dd6bf27e5dc51b7f476a33ea9d94974

SHA512
8c608695079866acc9c2d4486841688f93cc1e632534058c9ffbb7e95c197a0e4ac6da422ce67a60aca7ccd887df85c3cd225f24d0214b050ffa98cb76145d82

Download Submit
memory/1208-28-0x0000000010000000-0x0000000010037000-memory.dmp

Filesize
220KB

Download
memory/1208-30-0x0000000010000000-0x0000000010037000-memory.dmp

Filesize
220KB

Download
memory/1208-32-0x0000000010000000-0x0000000010037000-memory.dmp

Filesize
220KB

Download
memory/3000-27-0x0000000010000000-0x0000000010037000-memory.dmp

Filesize
220KB

Download
memory/3000-29-0x0000000010001000-0x0000000010027000-memory.dmp

Filesize
152KB

Download
memory/3000-34-0x0000000010001000-0x0000000010027000-memory.dmp

Filesize
152KB

Download
memory/3000-33-0x0000000010000000-0x0000000010037000-memory.dmp

Filesize
220KB

Download
memory/4256-23-0x0000000000400000-0x000000000042ED90-memory.dmp

Filesize
187KB

Download
memory/4256-24-0x0000000000401000-0x000000000041A000-memory.dmp

Filesize
100KB

Download
memory/4256-0-0x0000000000400000-0x000000000042ED90-memory.dmp

Filesize
187KB

Download
memory/4256-1-0x0000000000401000-0x000000000041A000-memory.dmp

Filesize
100KB

Download