xtremerat | a1455145e56d06e46a85d0a74462417282567b3b7c268c595c3664f0ffec85d3

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/10/2024, 10:42

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General

Target

17c30820ae17f5c7b157aafefcbcd72c_JaffaCakes118.exe
Size

62KB
MD5

17c30820ae17f5c7b157aafefcbcd72c
SHA1

05801fe45e954f9029363e96eea0baba703c4456
SHA256

a1455145e56d06e46a85d0a74462417282567b3b7c268c595c3664f0ffec85d3
SHA512

ca936ceca5b96aa684d735c6b2b09267ee3049a6cdfe2319316613bd611ef83f7f7f8ddd8bbaca5131b571404234dbfaa16ce2bfc99991bfa2633b4e269269f7
SSDEEP

1536:YNW71rcYDAWeotvXl47a+hfsudTtYNqkSZZZ3gsOib:YNW7dEvotvX6aIdKHUFb

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

reveng1.no-ip.biz

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/1584-1-0x0000000010000000-0x000000001005C000-memory.dmp	family_xtremerat
behavioral2/memory/4588-2-0x0000000010000000-0x000000001005C000-memory.dmp	family_xtremerat
behavioral2/memory/1584-3-0x0000000010000000-0x000000001005C000-memory.dmp	family_xtremerat

XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
persistence spyware rat xtremerat

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4588-0-0x0000000010000000-0x000000001005C000-memory.dmp	upx
behavioral2/memory/1584-1-0x0000000010000000-0x000000001005C000-memory.dmp	upx
behavioral2/memory/4588-2-0x0000000010000000-0x000000001005C000-memory.dmp	upx
behavioral2/memory/1584-3-0x0000000010000000-0x000000001005C000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4604	1584	WerFault.exe	82
4332	1584	WerFault.exe	82

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	17c30820ae17f5c7b157aafefcbcd72c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4588 wrote to memory of 1584	4588	17c30820ae17f5c7b157aafefcbcd72c_JaffaCakes118.exe	82
PID 4588 wrote to memory of 1584	4588	17c30820ae17f5c7b157aafefcbcd72c_JaffaCakes118.exe	82
PID 4588 wrote to memory of 1584	4588	17c30820ae17f5c7b157aafefcbcd72c_JaffaCakes118.exe	82
PID 4588 wrote to memory of 1584	4588	17c30820ae17f5c7b157aafefcbcd72c_JaffaCakes118.exe	82
PID 4588 wrote to memory of 1700	4588	17c30820ae17f5c7b157aafefcbcd72c_JaffaCakes118.exe	83
PID 4588 wrote to memory of 1700	4588	17c30820ae17f5c7b157aafefcbcd72c_JaffaCakes118.exe	83
PID 4588 wrote to memory of 1700	4588	17c30820ae17f5c7b157aafefcbcd72c_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\17c30820ae17f5c7b157aafefcbcd72c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\17c30820ae17f5c7b157aafefcbcd72c_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4588
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1584
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1584 -s 476
    3⤵
    - Program crash
    PID:4604
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1584 -s 500
    3⤵
    - Program crash
    PID:4332
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:1700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1584 -ip 1584
1⤵
PID:5100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1584 -ip 1584
1⤵
PID:3284

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/1584-1-0x0000000010000000-0x000000001005C000-memory.dmp

Filesize
368KB

Download
memory/1584-3-0x0000000010000000-0x000000001005C000-memory.dmp

Filesize
368KB

Download
memory/4588-0-0x0000000010000000-0x000000001005C000-memory.dmp

Filesize
368KB

Download
memory/4588-2-0x0000000010000000-0x000000001005C000-memory.dmp

Filesize
368KB

Download