b43ba48274cbbbd5024f8ff462a8bec271d1cb7595d0754713356c39690d5f37

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
12-07-2024 05:31

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General

Target

3c26b9a3b2596cf9940a4c30eb3e6231_JaffaCakes118.exe
Size

1.4MB
MD5

3c26b9a3b2596cf9940a4c30eb3e6231
SHA1

71c318d3fd0c5f6b44aed013eb456e8e1a9cfe49
SHA256

b43ba48274cbbbd5024f8ff462a8bec271d1cb7595d0754713356c39690d5f37
SHA512

420642f8b6a9a77286b4da498e7a9aa2f9075ac9cf1ed438dcec77c05445c0840951f37d2d458fe8edf70411a2b00a102c2e49f894659ca819e38f72a782b195
SSDEEP

12288:HOQcxcBMryTLIz3lEg+OioielffKpfffffWffffffeTZiekCrk2OMMiaSgeSwIHf:HO/sLIz3lEg+13/TlLrkWgL

Score

10^/10

evasion persistence upx

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 = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\ais9709.exe"	3c26b9a3b2596cf9940a4c30eb3e6231_JaffaCakes118.exe

Disables Task Manager via registry modification
evasion

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3860-0-0x0000000000400000-0x000000000056B000-memory.dmp	upx
behavioral2/memory/3860-19-0x0000000000400000-0x000000000056B000-memory.dmp	upx

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	\??\c:\windows\SysWOW64\ais9709.exe	3c26b9a3b2596cf9940a4c30eb3e6231_JaffaCakes118.exe
File opened for modification	\??\c:\windows\SysWOW64\ais9709.exe	3c26b9a3b2596cf9940a4c30eb3e6231_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ondevai32.dll	3c26b9a3b2596cf9940a4c30eb3e6231_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\dadosxx.dll	3c26b9a3b2596cf9940a4c30eb3e6231_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3860	3c26b9a3b2596cf9940a4c30eb3e6231_JaffaCakes118.exe
3860	3c26b9a3b2596cf9940a4c30eb3e6231_JaffaCakes118.exe
3860	3c26b9a3b2596cf9940a4c30eb3e6231_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\3c26b9a3b2596cf9940a4c30eb3e6231_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3c26b9a3b2596cf9940a4c30eb3e6231_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
PID:3860

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3860-0-0x0000000000400000-0x000000000056B000-memory.dmp

Filesize
1.4MB

Download
memory/3860-19-0x0000000000400000-0x000000000056B000-memory.dmp

Filesize
1.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads