xtremerat | 60c3208658b5a46442bf8304306e3bca26c85dedaa9b10b3cd6a9341f7c1cc8d

Analysis

max time kernel
105s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
14/04/2025, 03:00

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General

Target

JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe
Size

291KB
MD5

b66e7f6133ca72bf1fd21edbd009d4c7
SHA1

9bf33f24e88d2aa1d89f765556059d659d5d712d
SHA256

60c3208658b5a46442bf8304306e3bca26c85dedaa9b10b3cd6a9341f7c1cc8d
SHA512

ee2cb2c2192b77a4e12c182106e1f2d684d3bbe85f4ea4aa157302fa1640e7e4b6192b08582024e26ab27a563c62e785bac6805ab27c1d6f1a8aaa751de0356d
SSDEEP

6144:EYY0GlXNggK8b7XNwzkvytUre13HBmlDlPR+XHosS3BB06AlwZ:/Y0+CENwmre13H+RPR+XHG06Al

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral1/memory/1592-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1592-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1592-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1592-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1812-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1592-10-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1812-11-0x0000000010000000-0x000000001004A000-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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5616 set thread context of 1592	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe	85
PID 5616 set thread context of 0	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/5616-0-0x0000000000400000-0x00000000005A2000-memory.dmp	upx
behavioral1/memory/5616-8-0x0000000000400000-0x00000000005A2000-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
2908	1812	WerFault.exe	88
1692	1812	WerFault.exe	88

System Location Discovery: System Language Discovery 1 TTPs 3 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 5616 wrote to memory of 1592	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe	85
PID 5616 wrote to memory of 1592	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe	85
PID 5616 wrote to memory of 1592	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe	85
PID 5616 wrote to memory of 1592	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe	85
PID 5616 wrote to memory of 1592	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe	85
PID 5616 wrote to memory of 1592	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe	85
PID 5616 wrote to memory of 1592	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe	85
PID 5616 wrote to memory of 1592	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe	85
PID 5616 wrote to memory of 1592	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe	85
PID 5616 wrote to memory of 1592	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe	85
PID 5616 wrote to memory of 1592	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe	85
PID 5616 wrote to memory of 1592	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe	85
PID 5616 wrote to memory of 1592	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe	85
PID 5616 wrote to memory of 0	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe
PID 5616 wrote to memory of 0	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe
PID 5616 wrote to memory of 0	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe
PID 5616 wrote to memory of 0	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe
PID 5616 wrote to memory of 0	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe
PID 5616 wrote to memory of 0	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe
PID 5616 wrote to memory of 0	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe
PID 5616 wrote to memory of 0	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe
PID 5616 wrote to memory of 0	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe
PID 5616 wrote to memory of 0	5616	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe
PID 1592 wrote to memory of 1812	1592	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe	88
PID 1592 wrote to memory of 1812	1592	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe	88
PID 1592 wrote to memory of 1812	1592	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe	88
PID 1592 wrote to memory of 1812	1592	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe	88
PID 1592 wrote to memory of 5896	1592	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe	89
PID 1592 wrote to memory of 5896	1592	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe	89
PID 1592 wrote to memory of 5896	1592	JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5616
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b66e7f6133ca72bf1fd21edbd009d4c7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1592
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1812
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1812 -s 480
      4⤵
      Program crash
      PID:2908
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1812 -s 488
      4⤵
      Program crash
      PID:1692
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:5896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1812 -ip 1812
1⤵
PID:752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1812 -ip 1812
1⤵
PID:4672

Network

MITRE ATT&CK Enterprise v16

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

Replay Monitor

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Downloads

memory/1592-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1592-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1592-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1592-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1592-10-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1812-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1812-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5616-0-0x0000000000400000-0x00000000005A2000-memory.dmp

Filesize
1.6MB

Download
memory/5616-8-0x0000000000400000-0x00000000005A2000-memory.dmp

Filesize
1.6MB

Download