xtremerat | 29c87042809a729e9e7a015a9f61c1603f195d77ea019decca40a87e4ea93469

Analysis

max time kernel
95s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2025, 15:51

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General

Target

JaffaCakes118_2d34ef4efe3e9ad2874252d2c7f6552d.exe
Size

33KB
MD5

2d34ef4efe3e9ad2874252d2c7f6552d
SHA1

11075d01f2b0cea97e59b0eaba70a93be8002d77
SHA256

29c87042809a729e9e7a015a9f61c1603f195d77ea019decca40a87e4ea93469
SHA512

b74257fca1621f1fa185981a51d235e77d795e5383eb9c7f8f6b25a987796d1c0eb313ef0c84f02a720a9fcee384481cc1e103b9c255dddf40d4f90d53608beb
SSDEEP

768:HMuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66l8tz7+LIL:sNW71rcYDAWeotvXlqW

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

realwoprld.no-ip.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3580-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2648-3-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3580-4-0x0000000010000000-0x000000001004D000-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/2648-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3580-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2648-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3580-4-0x0000000010000000-0x000000001004D000-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
1852	3580	WerFault.exe	83
400	3580	WerFault.exe	83

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_2d34ef4efe3e9ad2874252d2c7f6552d.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 3580	2648	JaffaCakes118_2d34ef4efe3e9ad2874252d2c7f6552d.exe	83
PID 2648 wrote to memory of 3580	2648	JaffaCakes118_2d34ef4efe3e9ad2874252d2c7f6552d.exe	83
PID 2648 wrote to memory of 3580	2648	JaffaCakes118_2d34ef4efe3e9ad2874252d2c7f6552d.exe	83
PID 2648 wrote to memory of 3580	2648	JaffaCakes118_2d34ef4efe3e9ad2874252d2c7f6552d.exe	83
PID 2648 wrote to memory of 3728	2648	JaffaCakes118_2d34ef4efe3e9ad2874252d2c7f6552d.exe	84
PID 2648 wrote to memory of 3728	2648	JaffaCakes118_2d34ef4efe3e9ad2874252d2c7f6552d.exe	84
PID 2648 wrote to memory of 3728	2648	JaffaCakes118_2d34ef4efe3e9ad2874252d2c7f6552d.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2d34ef4efe3e9ad2874252d2c7f6552d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2d34ef4efe3e9ad2874252d2c7f6552d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3580
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3580 -s 480
    3⤵
    - Program crash
    PID:1852
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3580 -s 500
    3⤵
    - Program crash
    PID:400
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3580 -ip 3580
1⤵
PID:2292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3580 -ip 3580
1⤵
PID:2884

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/2648-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2648-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3580-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3580-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download