4fc705ce56db136635314716d5c6def8116ae3824f00a537caab434dd7d2091d

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
06/07/2024, 17:12

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General

Target

28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe
Size

102KB
MD5

28f55792ac1042a7619bf6d4f3f7d30d
SHA1

f6efc954f46153d716c535f68fb7901327263486
SHA256

4fc705ce56db136635314716d5c6def8116ae3824f00a537caab434dd7d2091d
SHA512

83329f998c5fd1951d72aefb541d2399a7338228eb8564bae910cecccfb9f2e70bd5cc1ce81064ef46e87ad387264f7676978124d0545ce64c2fa55bb86a9530
SSDEEP

3072:a6j0NRVFJO+u18aJS8l381n8i6xGqyDifkBeJ:Z8QrJiW7yDiF

Score

8^/10

persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe

Drops file in System32 directory 11 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\inf\	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\AlxRes070821.exe	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\winsys32_070821.dll	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\winsys32_070821.dll	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\inf\scrsys16_070821.dll	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\winsys16_070821.dll	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\AlxRes070821.exe	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\inf\scrsys070821.scr	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\inf\scrsys070821.scr	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\inf\scrsys16_070821.dll	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\winsys16_070821.dll	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mywinsys.ini	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2828	1700	WerFault.exe	30

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1700	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe
1700	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe
1700	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe
1700	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1700	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe
Token: SeDebugPrivilege	1700	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe
Token: SeDebugPrivilege	1700	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe
Token: SeDebugPrivilege	1700	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 2828	1700	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe	31
PID 1700 wrote to memory of 2828	1700	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe	31
PID 1700 wrote to memory of 2828	1700	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe	31
PID 1700 wrote to memory of 2828	1700	28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\28f55792ac1042a7619bf6d4f3f7d30d_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 224
  2⤵
  - Program crash
  PID:2828

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\mywinsys.ini

Filesize
52B

MD5
3371a9834cbdc182532a5baf1d9ace4f

SHA1
c3d910716e3f7592802534e47a488feddda9f976

SHA256
e140a281292fec68a897fa1063d6f43932fbf8bfff103537105b194a3467ef1b

SHA512
f43f3ad9bf79991a72fbb51398473bd0b522b903f55dfb861559775e70e6928442d36e6dfaa545a626755c9b9b2ff3cbbc3218cb789b6c7f9d9a707ff7418796

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C:\Windows\mywinsys.ini

Filesize
360B

MD5
923b67dea7fead2a2b45a378b4161ea9

SHA1
0d219ed6ad5e64ad7f8ba233206a631e8927d7dd

SHA256
dd29fe98a2d73e854f3a979a315706cb10d7ebe8b8458834bf9abd0b8e152873

SHA512
3183701878ace444ce54059527923147f323a4e361c8831e9544ab3d2bfaf58e3ba1237acafe04ef173be08bfdf7d06f5fdb60a801bbfc490c0afa2888aa792d

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