a3457113f6098ee793514866c6a3ecab7ef10a81e1d965178add997aa16b2573

Analysis

max time kernel
140s
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
19-08-2024 23:58

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General

Target

ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe
Size

12KB
MD5

ad1c750c41c84e6caec526393f26aef1
SHA1

ea4b0fe24408947e02ea24aabf16f2591f7f80f3
SHA256

a3457113f6098ee793514866c6a3ecab7ef10a81e1d965178add997aa16b2573
SHA512

72b3e51d5bcccd09515265c0489ea3c9ec8619d6f18479658cea73f05fbed6d8e128f98cf338580244018a6665740aa2e235093bbe24c121c73e76f3e0729bc5
SSDEEP

384:xc+jY2ZNii+YANVkZpFbml++7U2KOY0Yf:e+jZ4NVkrFb4+4U2QBf

Score

10^/10

discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 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\ShellServiceObjectDelayLoad\pdecwcaw.dll = "{32049D7A-E017-435c-A161-BDCB7874B580}"	ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
688	ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\pdecwcaw.tmp	ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\pdecwcaw.tmp	ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\pdecwcaw.nls	ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{32049D7A-E017-435c-A161-BDCB7874B580}\InProcServer32	ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{32049D7A-E017-435c-A161-BDCB7874B580}\InProcServer32\ = "C:\\Windows\\SysWow64\\pdecwcaw.dll"	ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{32049D7A-E017-435c-A161-BDCB7874B580}\InProcServer32\ThreadingModel = "Apartment"	ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{32049D7A-E017-435c-A161-BDCB7874B580}	ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
688	ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe
688	ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe
688	ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe
688	ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
688	ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe
688	ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe
688	ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 688 wrote to memory of 4192	688	ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe	96
PID 688 wrote to memory of 4192	688	ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe	96
PID 688 wrote to memory of 4192	688	ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe	96

C:\Users\Admin\AppData\Local\Temp\ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ad1c750c41c84e6caec526393f26aef1_JaffaCakes118.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:688
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\2BDD.tmp.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4192

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\2BDD.tmp.bat

Filesize
207B

MD5
39fc204eeeefe50b6b878006d3e33ea7

SHA1
d355df03adcacd9c45123d966f19cf95f8281545

SHA256
45a1c18bc2d9fa8ed034242db7071259e69c50a79d307db0531e9c28f89b967a

SHA512
840b4daed3019fc9ee0acfd6b4a4319551f82cec6a33cf6f18f6fc0167976372438e8f1a5d42c52117fc154fb09ce0292c3ea7e1316a2daa30484935cab46c3b

Download Submit
C:\Windows\SysWOW64\pdecwcaw.tmp

Filesize
2.1MB

MD5
e13f693049947b6978d64a141ba7bc65

SHA1
e6f662e4dabc31280dc5aca368cca8e2e8a431ad

SHA256
8a580be3371a715a0a36f9f2c0d7c1b8b1951ae3829ac2ff55398db78c6cadf1

SHA512
17a59211687489e725b5cb53f5eb0659b09c6f917c7339c842f93995f41aedb098faa96e2b05c1dfb4c4a0c0a4640051a4e90b77288ab31ea9af78c2b1c05378

Download Submit
memory/688-13-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download
memory/688-18-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download