65b1dafdca6026b6267279a0ac327a409f1b9bf8e802f1f3ee0906e2ab0cd598

Analysis

max time kernel
93s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
10/07/2024, 09:01

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General

Target

3413dfa1fae22e3a618fca32f304b63b_JaffaCakes118.exe
Size

112KB
MD5

3413dfa1fae22e3a618fca32f304b63b
SHA1

636311d413ad9f72da772176e0fca5aae0ae3716
SHA256

65b1dafdca6026b6267279a0ac327a409f1b9bf8e802f1f3ee0906e2ab0cd598
SHA512

7a9b166968e50ff2f5c952f317e6edc502d737107a6037bf61181a706d867d4c5c2a96f64fd50acb9c9a3a31ab54a7668855a99e38699cc1dd62bc1235d3d9d4
SSDEEP

3072:uSathrPGP3s0t85YYC8NT1FqnV6RoQNVm6tVc/bmmaPA:uzthrP+JsYYCsakhNV9QbP

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "\\\\?\\globalroot\\systemroot\\system32\\7P30HrK.exe,"	3413dfa1fae22e3a618fca32f304b63b_JaffaCakes118.exe

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\drivers\avgtdix.sys	3413dfa1fae22e3a618fca32f304b63b_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\drivers\avgtdix.sys	7P30HrK.exe

Executes dropped EXE 1 IoCs

pid	Process
1920	7P30HrK.exe

Checks for any installed AV software in registry 1 TTPs 2 IoCs

Security Software Discovery

T1518.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Avira\AntiVir PersonalEdition Classic	3413dfa1fae22e3a618fca32f304b63b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Avira\AntiVir PersonalEdition Classic	7P30HrK.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
964	3413dfa1fae22e3a618fca32f304b63b_JaffaCakes118.exe
964	3413dfa1fae22e3a618fca32f304b63b_JaffaCakes118.exe
1920	7P30HrK.exe
1920	7P30HrK.exe
1920	7P30HrK.exe
1920	7P30HrK.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
964	3413dfa1fae22e3a618fca32f304b63b_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	964	3413dfa1fae22e3a618fca32f304b63b_JaffaCakes118.exe
Token: SeDebugPrivilege	1920	7P30HrK.exe
Token: SeDebugPrivilege	1920	7P30HrK.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 964 wrote to memory of 1920	964	3413dfa1fae22e3a618fca32f304b63b_JaffaCakes118.exe	81
PID 964 wrote to memory of 1920	964	3413dfa1fae22e3a618fca32f304b63b_JaffaCakes118.exe	81
PID 964 wrote to memory of 1920	964	3413dfa1fae22e3a618fca32f304b63b_JaffaCakes118.exe	81

C:\Users\Admin\AppData\Local\Temp\3413dfa1fae22e3a618fca32f304b63b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3413dfa1fae22e3a618fca32f304b63b_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in Drivers directory
- Checks for any installed AV software in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:964
- \??\globalroot\systemroot\system32\7P30HrK.exe
  \\?\globalroot\systemroot\system32\7P30HrK.exe
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Checks for any installed AV software in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Software Discovery

T1518

Security Software Discovery

T1518.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\System32\7P30HrK.exe

Filesize
112KB

MD5
3413dfa1fae22e3a618fca32f304b63b

SHA1
636311d413ad9f72da772176e0fca5aae0ae3716

SHA256
65b1dafdca6026b6267279a0ac327a409f1b9bf8e802f1f3ee0906e2ab0cd598

SHA512
7a9b166968e50ff2f5c952f317e6edc502d737107a6037bf61181a706d867d4c5c2a96f64fd50acb9c9a3a31ab54a7668855a99e38699cc1dd62bc1235d3d9d4

Download Submit
memory/964-1-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/964-0-0x0000000000401000-0x0000000000403000-memory.dmp

Filesize
8KB

Download
memory/964-2-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1920-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1920-7-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1920-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download