metasploit | 255efe4670bbd6239d372d2fe68057d4a4f5fdf7a147e0ae0a694777b18cbe22

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16/09/2024, 04:02

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General

Target

e3fe697e069d3bcaca7c54add58a0325_JaffaCakes118.exe
Size

43KB
MD5

e3fe697e069d3bcaca7c54add58a0325
SHA1

c45c937ae0dd3809742fe8cc618ea05fcf32a1c1
SHA256

255efe4670bbd6239d372d2fe68057d4a4f5fdf7a147e0ae0a694777b18cbe22
SHA512

5ccd44dd515351f2827fa513ebd3c97b7b879ef2682631dc163273ef1c2ddedd81085e33e04b56d73326a390cb44ada697cd90358782564c1e6998891f266289
SSDEEP

768:rOQc8sskmYB7dbNMeAB7PorGjszuI8vY4dTYrs7fenbcuyD7U:1FfkmYBBbAszujY4dTgkfenouy8

Score

10^/10

metasploit backdoor defense_evasion discovery trojan upx

Malware Config

Extracted

Family

metasploit

Version

encoder/fnstenv_mov

Signatures

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	e3fe697e069d3bcaca7c54add58a0325_JaffaCakes118.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1312-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral2/memory/1312-1-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\dllcache\svchost.exe	e3fe697e069d3bcaca7c54add58a0325_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\dllcache\svchost.exe	e3fe697e069d3bcaca7c54add58a0325_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	e3fe697e069d3bcaca7c54add58a0325_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 5020	1312	e3fe697e069d3bcaca7c54add58a0325_JaffaCakes118.exe	83
PID 1312 wrote to memory of 5020	1312	e3fe697e069d3bcaca7c54add58a0325_JaffaCakes118.exe	83
PID 1312 wrote to memory of 5020	1312	e3fe697e069d3bcaca7c54add58a0325_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\e3fe697e069d3bcaca7c54add58a0325_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e3fe697e069d3bcaca7c54add58a0325_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1312
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\E3FE69~1.EXE >> NUL
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1312-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1312-1-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download