xtremerat | 0297e08c1b57115dfaa5a88450484e0c9cbce36d0170d0e973e9a86e2fefde8b

Analysis

max time kernel
93s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 11:09

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General

Target

JaffaCakes118_6c32dc814220163427d9b8f18d4d7490.exe
Size

822KB
MD5

6c32dc814220163427d9b8f18d4d7490
SHA1

5ab3ecfbad3d795c0c33c6745c85902759cbbb70
SHA256

0297e08c1b57115dfaa5a88450484e0c9cbce36d0170d0e973e9a86e2fefde8b
SHA512

bc25c97b003501780b3b23708a557f9d38c5cf359fdfe271aaf66cabc5503ea40cfd4b472e6bd60048237b0e49958e477e54562e5eb9fb58f700812292595051
SSDEEP

12288:U69zDWz/xwNqdlbrIX3JALF1QbOagrEGgtNryyCJuDT/PNa0AYQ/Hyw2Eq:U2DW/xbHX2YIbCQsu3/PNL7Q/HyVEq

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

far3on.zapto.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023c77-6.dat	family_xtremerat
behavioral2/memory/2392-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4388-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2392-10-0x0000000010000000-0x000000001004A000-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

Executes dropped EXE 1 IoCs

pid	Process
4388	server.exe

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
944	2392	WerFault.exe	84
3240	2392	WerFault.exe	84

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

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 460 wrote to memory of 4388	460	JaffaCakes118_6c32dc814220163427d9b8f18d4d7490.exe	83
PID 460 wrote to memory of 4388	460	JaffaCakes118_6c32dc814220163427d9b8f18d4d7490.exe	83
PID 460 wrote to memory of 4388	460	JaffaCakes118_6c32dc814220163427d9b8f18d4d7490.exe	83
PID 4388 wrote to memory of 2392	4388	server.exe	84
PID 4388 wrote to memory of 2392	4388	server.exe	84
PID 4388 wrote to memory of 2392	4388	server.exe	84
PID 4388 wrote to memory of 2392	4388	server.exe	84
PID 4388 wrote to memory of 2588	4388	server.exe	85
PID 4388 wrote to memory of 2588	4388	server.exe	85
PID 4388 wrote to memory of 2588	4388	server.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c32dc814220163427d9b8f18d4d7490.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c32dc814220163427d9b8f18d4d7490.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:460
- C:\Users\Admin\AppData\Local\Temp\server.exe
  C:\Users\Admin\AppData\Local\Temp/server.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4388
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2392
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2392 -s 480
      4⤵
      Program crash
      PID:944
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2392 -s 488
      4⤵
      Program crash
      PID:3240
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:2588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2392 -ip 2392
1⤵
PID:3340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2392 -ip 2392
1⤵
PID:2252

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

C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
65KB

MD5
12d27499021448c874136d36fbe339d5

SHA1
c03f7073cea41da612affc49dd078a8c7b2f341e

SHA256
c280699f7288524fb66a248100124757ad41c7d10585632b5363c79200f93ea1

SHA512
5e93611008cfbe5c22b7e5846bfa706e583215f3bd32b4cd1e6e77d730046cf850477a9683e1b60a2d10e1868d4a397585f09083555278c0f8eab449cd6ba4c7

Download Submit
memory/2392-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2392-10-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4388-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download