xtremerat | 7fa643d458f6f4ed23ba896bd0d18d9a0cbc013aef320538efca575b04d64e38

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-01-2025 04:30

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General

Target

JaffaCakes118_46e56db4472b3273c91c141fdc0d2f19.exe
Size

33KB
MD5

46e56db4472b3273c91c141fdc0d2f19
SHA1

da28703376542be0f1253596f11e7631f93ab4f3
SHA256

7fa643d458f6f4ed23ba896bd0d18d9a0cbc013aef320538efca575b04d64e38
SHA512

809fd21b3a935b86e3916eb01bbb64b66ac72f5ff6e8e87e808ea4585b9f63a09bce0c431c68b331a8603d76c9c16800ba00e339514b73c8fbdc58e4c928bd77
SSDEEP

768:dMuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66ldAiXgo:2NW71rcYDAWeotvXlKIg

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

maom.no-ip.org

maom1.no-ip.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/1436-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4672-3-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1436-4-0x0000000010000000-0x000000001004D000-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/4672-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1436-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4672-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1436-4-0x0000000010000000-0x000000001004D000-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
4836	1436	WerFault.exe	83
2888	1436	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	JaffaCakes118_46e56db4472b3273c91c141fdc0d2f19.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4672 wrote to memory of 1436	4672	JaffaCakes118_46e56db4472b3273c91c141fdc0d2f19.exe	83
PID 4672 wrote to memory of 1436	4672	JaffaCakes118_46e56db4472b3273c91c141fdc0d2f19.exe	83
PID 4672 wrote to memory of 1436	4672	JaffaCakes118_46e56db4472b3273c91c141fdc0d2f19.exe	83
PID 4672 wrote to memory of 1436	4672	JaffaCakes118_46e56db4472b3273c91c141fdc0d2f19.exe	83
PID 4672 wrote to memory of 4480	4672	JaffaCakes118_46e56db4472b3273c91c141fdc0d2f19.exe	84
PID 4672 wrote to memory of 4480	4672	JaffaCakes118_46e56db4472b3273c91c141fdc0d2f19.exe	84
PID 4672 wrote to memory of 4480	4672	JaffaCakes118_46e56db4472b3273c91c141fdc0d2f19.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_46e56db4472b3273c91c141fdc0d2f19.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_46e56db4472b3273c91c141fdc0d2f19.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4672
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1436
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 480
    3⤵
    - Program crash
    PID:4836
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 488
    3⤵
    - Program crash
    PID:2888
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:4480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1436 -ip 1436
1⤵
PID:3920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1436 -ip 1436
1⤵
PID:2396

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/1436-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1436-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4672-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4672-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download