xtremerat | 6d678dacc238c1b2118bd2bb49f9dc502d13c0e355fd093b3334b9955335e53f

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 08:12

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General

Target

JaffaCakes118_63bd3ce1179cc0cf06798757511d7499.exe
Size

33KB
MD5

63bd3ce1179cc0cf06798757511d7499
SHA1

3f50c34b3bcde72af31c548aef3e378b813260ce
SHA256

6d678dacc238c1b2118bd2bb49f9dc502d13c0e355fd093b3334b9955335e53f
SHA512

ca3d4bf1dc3ff4e385d53f65bd964574e981b1a8d6c218334378ade5c5ab6620d2fb9d3c6bd499af566cdbe8480f53257df20da9a1d8a667906e902a561333fe
SSDEEP

768:lMuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66lttPF/F8gY:uNW71rcYDAWeotvXlrPFl

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

gh11223344.no-ip.biz

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3156-3-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4628-4-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4628-1-0x0000000010000000-0x000000001004D000-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
Xtremerat family
xtremerat

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3156-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3156-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4628-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4628-1-0x0000000010000000-0x000000001004D000-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
3896	4628	WerFault.exe	82
3864	4628	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	JaffaCakes118_63bd3ce1179cc0cf06798757511d7499.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3156 wrote to memory of 4628	3156	JaffaCakes118_63bd3ce1179cc0cf06798757511d7499.exe	82
PID 3156 wrote to memory of 4628	3156	JaffaCakes118_63bd3ce1179cc0cf06798757511d7499.exe	82
PID 3156 wrote to memory of 4628	3156	JaffaCakes118_63bd3ce1179cc0cf06798757511d7499.exe	82
PID 3156 wrote to memory of 4628	3156	JaffaCakes118_63bd3ce1179cc0cf06798757511d7499.exe	82
PID 3156 wrote to memory of 3388	3156	JaffaCakes118_63bd3ce1179cc0cf06798757511d7499.exe	83
PID 3156 wrote to memory of 3388	3156	JaffaCakes118_63bd3ce1179cc0cf06798757511d7499.exe	83
PID 3156 wrote to memory of 3388	3156	JaffaCakes118_63bd3ce1179cc0cf06798757511d7499.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63bd3ce1179cc0cf06798757511d7499.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63bd3ce1179cc0cf06798757511d7499.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3156
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4628
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 480
    3⤵
    - Program crash
    PID:3896
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 488
    3⤵
    - Program crash
    PID:3864
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4628 -ip 4628
1⤵
PID:4260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4628 -ip 4628
1⤵
PID:4624

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/3156-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3156-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4628-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4628-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download