8ff5e9ae1b49e290a3c34799c496cf79dcad468c0f0513ffce065b3b217e2f14

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\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Explorer Shell = "C:\\Windows\\System\\Explorer.exe"	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe

Drops file in Windows directory 14 IoCs

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2888	2028	WerFault.exe	29

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
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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2888	2028	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe	30
PID 2028 wrote to memory of 2888	2028	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe	30
PID 2028 wrote to memory of 2888	2028	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe	30
PID 2028 wrote to memory of 2888	2028	b57575e325bc218b96c4ec91e1959bf9_JaffaCakes118.exe	30

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
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2028 -s 92
  2⤵
  - Program crash
  PID:2888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\system\Sysexp32.exe

Filesize
115KB

MD5
326da40039a40d56de898f38b423b9f0

SHA1
18d4f8821ae813e097b1c3ce46583a96c9893b6c

SHA256
d723b0bc90c1e6bada38af810e6005892b31eef6d46db26382e554a825ff4204

SHA512
0f6f9ce65d95bb459bedb4f42947fb19c888f10dd2e2054dd1cdf505b65d17a6a97137637a36368396d9911dc5a965cb0d3b74b274a5c2166757dcbfd22ef6e6

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads