xtremerat | bafe0a453cd1e5837409d43a4fe190b0f3124b1e2b60cc1c644861e110e486d8

Analysis

max time kernel
94s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2024 02:38

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General

Target

d043f850f783285f65e0b99169e55c47_JaffaCakes118.exe
Size

33KB
MD5

d043f850f783285f65e0b99169e55c47
SHA1

3a9770a44ed0d76e39ec06b3ba4e28303ca67d2c
SHA256

bafe0a453cd1e5837409d43a4fe190b0f3124b1e2b60cc1c644861e110e486d8
SHA512

0119cc3c45458595cf60d0d7d5cee6326732c1810d86af27dbcbb69dd93ad051ec069ea6744180e6352264f0ed3a39c968508abdf0b6ab5009dd7d83db09a103
SSDEEP

768:XMuijtHf5g7/IIG3bGcYDBSvFIWuePQDGEsgRrXA4+FII:8NW71rcYDAWeoDrsaA/FI

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

halahala.zapto.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/5040-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2332-3-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/5040-4-0x0000000010000000-0x000000001004D000-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/2332-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5040-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2332-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5040-4-0x0000000010000000-0x000000001004D000-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
3416	5040	WerFault.exe	82
4712	5040	WerFault.exe	82

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	d043f850f783285f65e0b99169e55c47_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 5040	2332	d043f850f783285f65e0b99169e55c47_JaffaCakes118.exe	82
PID 2332 wrote to memory of 5040	2332	d043f850f783285f65e0b99169e55c47_JaffaCakes118.exe	82
PID 2332 wrote to memory of 5040	2332	d043f850f783285f65e0b99169e55c47_JaffaCakes118.exe	82
PID 2332 wrote to memory of 5040	2332	d043f850f783285f65e0b99169e55c47_JaffaCakes118.exe	82
PID 2332 wrote to memory of 4524	2332	d043f850f783285f65e0b99169e55c47_JaffaCakes118.exe	83
PID 2332 wrote to memory of 4524	2332	d043f850f783285f65e0b99169e55c47_JaffaCakes118.exe	83
PID 2332 wrote to memory of 4524	2332	d043f850f783285f65e0b99169e55c47_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\d043f850f783285f65e0b99169e55c47_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d043f850f783285f65e0b99169e55c47_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 476
    3⤵
    - Program crash
    PID:3416
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 488
    3⤵
    - Program crash
    PID:4712
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:4524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5040 -ip 5040
1⤵
PID:3116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 5040 -ip 5040
1⤵
PID:5048

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/2332-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2332-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5040-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5040-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download