29347326a68d31fc25babfa14c0a2791eec1b362173883d12b2af7e98583e3f3

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 12:16

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General

Target

d125cefc3e51bf1117920674ab5a405eJaffaCakes118.exe
Size

94KB
MD5

d125cefc3e51bf1117920674ab5a405e
SHA1

0db2242860bb44bc6dea1546edea1d0db9fc7349
SHA256

29347326a68d31fc25babfa14c0a2791eec1b362173883d12b2af7e98583e3f3
SHA512

88693fe105017b55424826486a690cd16a898d1dd933c5cc09066940c46d0c1c3716c5ed77d48308d9d58e298fb83b13f4183ed43432e5e629278f5279c6396c
SSDEEP

1536:ciSf1sDC/DZPsAbEq+mSDy2xMSpVPQ7Okgas6pI+8VtWhhke5MXr7a0wAmAk:JSfdDZjYqb1O8sSuGIXrR

Score

10^/10

discovery 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\\Lj1sv0x.exe,"	d125cefc3e51bf1117920674ab5a405eJaffaCakes118.exe

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\drivers\avgtdix.sys	d125cefc3e51bf1117920674ab5a405eJaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\drivers\avgtdix.sys	Lj1sv0x.exe

Executes dropped EXE 1 IoCs

pid	Process
1596	Lj1sv0x.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	d125cefc3e51bf1117920674ab5a405eJaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Avira\AntiVir PersonalEdition Classic	Lj1sv0x.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	Lj1sv0x.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d125cefc3e51bf1117920674ab5a405eJaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3816	d125cefc3e51bf1117920674ab5a405eJaffaCakes118.exe
3816	d125cefc3e51bf1117920674ab5a405eJaffaCakes118.exe
1596	Lj1sv0x.exe
1596	Lj1sv0x.exe
1596	Lj1sv0x.exe
1596	Lj1sv0x.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3816	d125cefc3e51bf1117920674ab5a405eJaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3816	d125cefc3e51bf1117920674ab5a405eJaffaCakes118.exe
Token: SeDebugPrivilege	1596	Lj1sv0x.exe
Token: SeDebugPrivilege	1596	Lj1sv0x.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3816 wrote to memory of 1596	3816	d125cefc3e51bf1117920674ab5a405eJaffaCakes118.exe	85
PID 3816 wrote to memory of 1596	3816	d125cefc3e51bf1117920674ab5a405eJaffaCakes118.exe	85
PID 3816 wrote to memory of 1596	3816	d125cefc3e51bf1117920674ab5a405eJaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\d125cefc3e51bf1117920674ab5a405eJaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d125cefc3e51bf1117920674ab5a405eJaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in Drivers directory
- Checks for any installed AV software in registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3816
- \??\globalroot\systemroot\system32\Lj1sv0x.exe
  \\?\globalroot\systemroot\system32\Lj1sv0x.exe
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Checks for any installed AV software in registry
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1596

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\System32\Lj1sv0x.exe

Filesize
94KB

MD5
d125cefc3e51bf1117920674ab5a405e

SHA1
0db2242860bb44bc6dea1546edea1d0db9fc7349

SHA256
29347326a68d31fc25babfa14c0a2791eec1b362173883d12b2af7e98583e3f3

SHA512
88693fe105017b55424826486a690cd16a898d1dd933c5cc09066940c46d0c1c3716c5ed77d48308d9d58e298fb83b13f4183ed43432e5e629278f5279c6396c

Download Submit
memory/1596-6-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1596-7-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3816-0-0x0000000002160000-0x0000000002174000-memory.dmp

Filesize
80KB

Download
memory/3816-1-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3816-9-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3816-10-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download