77ba04076cc2222a8bd10d0fdf9fd5de4b820156db7682c874849fb2f9a90e71

Analysis

max time kernel
141s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
23/08/2024, 13:35

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General

Target

bbf1bc853571f5cfbb8931f167785a8b_JaffaCakes118.exe
Size

11.1MB
MD5

bbf1bc853571f5cfbb8931f167785a8b
SHA1

4564af0dbef8275a3d85d26bee4775f83ab22686
SHA256

77ba04076cc2222a8bd10d0fdf9fd5de4b820156db7682c874849fb2f9a90e71
SHA512

8d74511618ecd1d32799c5e5638635eea9eb52ca05d4b8628952e83c064a29112b6fdf1ca25d6c70a4dfafe6e8c6a20a450967e0bee19b72f8ff0ce0084c69ad
SSDEEP

98304:oaErgnCM0UAmrNBBBBBBBFBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB3:oOnCMamvzF

Score

10^/10

discovery evasion

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "0"	bbf1bc853571f5cfbb8931f167785a8b_JaffaCakes118.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	bbf1bc853571f5cfbb8931f167785a8b_JaffaCakes118.exe

Disables Task Manager via registry modification
evasion

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\libeay32.dll	bbf1bc853571f5cfbb8931f167785a8b_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\libeay32.dll	bbf1bc853571f5cfbb8931f167785a8b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ssleay32.dll	bbf1bc853571f5cfbb8931f167785a8b_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\ssleay32.dll	bbf1bc853571f5cfbb8931f167785a8b_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2608	2320	WerFault.exe	28

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	bbf1bc853571f5cfbb8931f167785a8b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 2608	2320	bbf1bc853571f5cfbb8931f167785a8b_JaffaCakes118.exe	29
PID 2320 wrote to memory of 2608	2320	bbf1bc853571f5cfbb8931f167785a8b_JaffaCakes118.exe	29
PID 2320 wrote to memory of 2608	2320	bbf1bc853571f5cfbb8931f167785a8b_JaffaCakes118.exe	29
PID 2320 wrote to memory of 2608	2320	bbf1bc853571f5cfbb8931f167785a8b_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\bbf1bc853571f5cfbb8931f167785a8b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bbf1bc853571f5cfbb8931f167785a8b_JaffaCakes118.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 224
  2⤵
  - Program crash
  PID:2608

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

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

memory/2320-0-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

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memory/2320-10-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

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memory/2320-9-0x0000000000400000-0x0000000000F15000-memory.dmp

Filesize
11.1MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads