xtremerat | e67cb028861b20611dcea8e577f43a394c105a4a110ba8f6a107f38bcff5b745

Analysis

max time kernel
103s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
17/03/2025, 15:29

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General

Target

JaffaCakes118_7e77703d1da5b876617de96f1d317dd5.exe
Size

33KB
MD5

7e77703d1da5b876617de96f1d317dd5
SHA1

405acef5c2285bba935a1930904565e8dcdd679c
SHA256

e67cb028861b20611dcea8e577f43a394c105a4a110ba8f6a107f38bcff5b745
SHA512

e563a7fcd08aa8ff77911af3096d85b51486c87fa617eab5ab97a7993c88cbc93fa492df4d296f3440d4b191b62bdafb0d052642697a6181a4cbae235fcbe135
SSDEEP

768:pMuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66lEtz1kPQ:iNW71rcYDAWeotvXlSC

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

azert123.no-ip.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3280-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3516-3-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3280-4-0x0000000010000000-0x000000001004D000-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/3516-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3280-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3516-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3280-4-0x0000000010000000-0x000000001004D000-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
412	3280	WerFault.exe	85
2884	3280	WerFault.exe	85

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_7e77703d1da5b876617de96f1d317dd5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3516 wrote to memory of 3280	3516	JaffaCakes118_7e77703d1da5b876617de96f1d317dd5.exe	85
PID 3516 wrote to memory of 3280	3516	JaffaCakes118_7e77703d1da5b876617de96f1d317dd5.exe	85
PID 3516 wrote to memory of 3280	3516	JaffaCakes118_7e77703d1da5b876617de96f1d317dd5.exe	85
PID 3516 wrote to memory of 3280	3516	JaffaCakes118_7e77703d1da5b876617de96f1d317dd5.exe	85
PID 3516 wrote to memory of 2912	3516	JaffaCakes118_7e77703d1da5b876617de96f1d317dd5.exe	87
PID 3516 wrote to memory of 2912	3516	JaffaCakes118_7e77703d1da5b876617de96f1d317dd5.exe	87
PID 3516 wrote to memory of 2912	3516	JaffaCakes118_7e77703d1da5b876617de96f1d317dd5.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7e77703d1da5b876617de96f1d317dd5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7e77703d1da5b876617de96f1d317dd5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3516
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3280
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3280 -s 492
    3⤵
    - Program crash
    PID:412
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3280 -s 500
    3⤵
    - Program crash
    PID:2884
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:2912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3280 -ip 3280
1⤵
PID:3152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3280 -ip 3280
1⤵
PID:540

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/3280-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3280-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3516-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3516-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download