bb6fd8d2a3003439fbf558009507233740a904439331ce47f63a38d06aac7fa9

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
16/04/2024, 20:20

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General

Target

f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe
Size

472KB
MD5

f43ff6dba40414412ed04fe44a50857c
SHA1

c61f2218e130192919e99a8c223fc2265605eb61
SHA256

bb6fd8d2a3003439fbf558009507233740a904439331ce47f63a38d06aac7fa9
SHA512

d7c1c232d7472d6fb3adba21031cebdcf85aa8aaa6234db3cca0f9486529a8639cb07b94e92336c22b703f4f2a40517a4fc9c6b80d96264df0e3a265b73b7f58
SSDEEP

12288:Q9eKhyyWp/lW8oF9vRM2DBQI0hgvCidOR+:Q95hy90nu2DBQIwg

Score

8^/10

evasion persistence

Malware Config

Signatures

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
3144	attrib.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Jflx = "C:\\WINDOWS\\Jflx.exe"	f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3024 set thread context of 2340	3024	f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe	93

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\WINDOWS\Jflx.exe	f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe
File opened for modification	C:\WINDOWS\Jflx.exe	f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe
File opened for modification	C:\WINDOWS\Jflx.exe	attrib.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 2340	3024	f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe	93
PID 3024 wrote to memory of 2340	3024	f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe	93
PID 3024 wrote to memory of 2340	3024	f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe	93
PID 3024 wrote to memory of 2340	3024	f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe	93
PID 3024 wrote to memory of 2340	3024	f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe	93
PID 3024 wrote to memory of 2340	3024	f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe	93
PID 3024 wrote to memory of 2340	3024	f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe	93
PID 3024 wrote to memory of 2340	3024	f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe	93
PID 3024 wrote to memory of 2340	3024	f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe	93
PID 3024 wrote to memory of 2340	3024	f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe	93
PID 3024 wrote to memory of 2340	3024	f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe	93
PID 3024 wrote to memory of 2340	3024	f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe	93
PID 3024 wrote to memory of 2340	3024	f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe	93
PID 2340 wrote to memory of 3144	2340	f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe	94
PID 2340 wrote to memory of 3144	2340	f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe	94
PID 2340 wrote to memory of 3144	2340	f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe	94

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3144	attrib.exe

C:\Users\Admin\AppData\Local\Temp\f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Users\Admin\AppData\Local\Temp\f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f43ff6dba40414412ed04fe44a50857c_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Windows\SysWOW64\attrib.exe
    attrib +r +s +h +a C:\WINDOWS\Jflx.exe
    3⤵
    - Sets file to hidden
    - Drops file in Windows directory
    - Views/modifies file attributes
    PID:3144

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\WINDOWS\Jflx.exe

Filesize
472KB

MD5
f43ff6dba40414412ed04fe44a50857c

SHA1
c61f2218e130192919e99a8c223fc2265605eb61

SHA256
bb6fd8d2a3003439fbf558009507233740a904439331ce47f63a38d06aac7fa9

SHA512
d7c1c232d7472d6fb3adba21031cebdcf85aa8aaa6234db3cca0f9486529a8639cb07b94e92336c22b703f4f2a40517a4fc9c6b80d96264df0e3a265b73b7f58

Download Submit
memory/2340-0-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2340-1-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2340-2-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2340-3-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2340-4-0x0000000002320000-0x0000000002321000-memory.dmp

Filesize
4KB

Download
memory/2340-7-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads