xtremerat | b913eac59f2d6c06564e0934929b0c74abd3d5c3c4eeed53b9097ae93db9443f

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
15-10-2024 16:38

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General

Target

48e0581941cedbef9b71663b18d837fd_JaffaCakes118.exe
Size

33KB
MD5

48e0581941cedbef9b71663b18d837fd
SHA1

69f90d4dc0a7efd0cec54ee996edc7323360e55d
SHA256

b913eac59f2d6c06564e0934929b0c74abd3d5c3c4eeed53b9097ae93db9443f
SHA512

4885eccd20f031c6fdccb7937e4a0994609ca739ac5bbf0791f15568dd4cb5e50bba3c9b80212c99e8b37824bc7fd2e7663b71262b2447f0016238808a26bea6
SSDEEP

768:9MuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66lIPtzEpMj:WNW71rcYDAWeotvXlIVM

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

aaxxaa.no-ip.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/2928-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/816-2-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2928-3-0x0000000010000000-0x000000001004D000-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

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/816-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2928-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/816-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2928-3-0x0000000010000000-0x000000001004D000-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
1948	2928	WerFault.exe	84
1452	2928	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	48e0581941cedbef9b71663b18d837fd_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 816 wrote to memory of 2928	816	48e0581941cedbef9b71663b18d837fd_JaffaCakes118.exe	84
PID 816 wrote to memory of 2928	816	48e0581941cedbef9b71663b18d837fd_JaffaCakes118.exe	84
PID 816 wrote to memory of 2928	816	48e0581941cedbef9b71663b18d837fd_JaffaCakes118.exe	84
PID 816 wrote to memory of 2928	816	48e0581941cedbef9b71663b18d837fd_JaffaCakes118.exe	84
PID 816 wrote to memory of 3088	816	48e0581941cedbef9b71663b18d837fd_JaffaCakes118.exe	85
PID 816 wrote to memory of 3088	816	48e0581941cedbef9b71663b18d837fd_JaffaCakes118.exe	85
PID 816 wrote to memory of 3088	816	48e0581941cedbef9b71663b18d837fd_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\48e0581941cedbef9b71663b18d837fd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\48e0581941cedbef9b71663b18d837fd_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:816
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2928
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2928 -s 476
    3⤵
    - Program crash
    PID:1948
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2928 -s 480
    3⤵
    - Program crash
    PID:1452
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2928 -ip 2928
1⤵
PID:2816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2928 -ip 2928
1⤵
PID:4824

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/816-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/816-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2928-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2928-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download