8ff5e9ae1b49e290a3c34799c496cf79dcad468c0f0513ffce065b3b217e2f14

Analysis

max time kernel
139s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 23:23

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General

Target

b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe
Size

103KB
MD5

b57575e325bc218b96c4ec91e1959bf9
SHA1

6da4334340f1acf5892a2cb2c81b5363aa021141
SHA256

8ff5e9ae1b49e290a3c34799c496cf79dcad468c0f0513ffce065b3b217e2f14
SHA512

992ee58a54f647125dc6de5bd4b609d6a308c5c1fd8912ffea98d396fdf90ec830aa324d91c746c76f0ebba9a7a97f3d48f508925b6f2cc633986bad85c2dc31
SSDEEP

768:jZKM11gG4ChfiPO0rfz0shcUypMC5/VKhZyg3iew7e4V74D:gMDgG4ChfiPOefgsOUqQwgL

Score

6^/10

discovery persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 4 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\Run\Explorer Shell = "C:\\Windows\\System\\Explorer.exe"	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System applets = "C:\\Windows\\System\\applets.exe"	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Syssrc32 = "C:\\Windows\\Syssrc32.exe"	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\fndfst32 = "C:\\Windows\\System\\fndfst32.exe"	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe

Drops file in Windows directory 14 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System\Explorer.exe	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe
File opened for modification	C:\Windows\Syssrc32.exe	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe
File created	C:\Windows\System\Sysexp32.exe	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe
File created	C:\Windows\Help\intret.cnt	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe
File opened for modification	C:\Windows\System\mplayerw.exe	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe
File opened for modification	C:\Windows\System\applets.exe	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe
File opened for modification	C:\Windows\Help\intret.cnt	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe
File created	C:\Windows\System\mplayerw.exe	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe
File created	C:\Windows\System\applets.exe	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe
File created	C:\Windows\Syssrc32.exe	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe
File opened for modification	C:\Windows\System\fndfst32.exe	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe
File created	C:\Windows\System\fndfst32.exe	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe
File created	C:\Windows\System\Explorer.exe	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe
File opened for modification	C:\Windows\System\Sysexp32.exe	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
880	5024	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 1 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	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\Explore = "%SystemRoot%\\SysWow64\\NOTEPAD.EXE %1"	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Windows\\System\\Sysexp32.exe %1"	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:5024
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 336
  2⤵
  - Program crash
  PID:880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5024 -ip 5024
1⤵
PID:3980

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:\Windows\System\Sysexp32.exe

Filesize
115KB

MD5
c07603578fff768a54ef2184c811955e

SHA1
402f88865913e61daa2100802c59373726565d6f

SHA256
5fdc4a88a99d3bb1c1c2523da9e7cc918576e39957fe68f914c41761cb22dd71

SHA512
8e10bdd0162950d10cd0c594b04ccf9502098789a4f4c4348db9403550eff38421fcb70c8c348da808dff4c41516ea3ae6c4879ba4753f6fad5c1e73f73c14b7

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads