xtremerat | 347875c13f63365b3261b87c7e46e8a482e1d7b7452e49725e20c7a9d27f9298

Analysis

max time kernel
94s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-12-2024 21:20

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General

Target

e851c5b9a90b6e236d19a66a7f220059_JaffaCakes118.exe
Size

33KB
MD5

e851c5b9a90b6e236d19a66a7f220059
SHA1

bf5e1bc314306068bc80227ac12158764a3b7197
SHA256

347875c13f63365b3261b87c7e46e8a482e1d7b7452e49725e20c7a9d27f9298
SHA512

3bec95338615733b4f48e4fef949ac603bfb8b5ac6c2d3f54a6770e3a72e2ad405606e63bef6f76cdbd6b6076dcf48043938134cdb27f7ced150060af1d7dbc7
SSDEEP

768:7MuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66l/tz07tcWKQrgI:ANW71rcYDAWeotvXlFKtcpQ0

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

gr.no-ip.biz

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/1984-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1396-2-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1984-3-0x0000000010000000-0x000000001004D000-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
Xtremerat family
xtremerat

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1396-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1984-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1396-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1984-3-0x0000000010000000-0x000000001004D000-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
2172	1984	WerFault.exe	82
3600	1984	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e851c5b9a90b6e236d19a66a7f220059_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1396 wrote to memory of 1984	1396	e851c5b9a90b6e236d19a66a7f220059_JaffaCakes118.exe	82
PID 1396 wrote to memory of 1984	1396	e851c5b9a90b6e236d19a66a7f220059_JaffaCakes118.exe	82
PID 1396 wrote to memory of 1984	1396	e851c5b9a90b6e236d19a66a7f220059_JaffaCakes118.exe	82
PID 1396 wrote to memory of 1984	1396	e851c5b9a90b6e236d19a66a7f220059_JaffaCakes118.exe	82
PID 1396 wrote to memory of 1908	1396	e851c5b9a90b6e236d19a66a7f220059_JaffaCakes118.exe	83
PID 1396 wrote to memory of 1908	1396	e851c5b9a90b6e236d19a66a7f220059_JaffaCakes118.exe	83
PID 1396 wrote to memory of 1908	1396	e851c5b9a90b6e236d19a66a7f220059_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\e851c5b9a90b6e236d19a66a7f220059_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e851c5b9a90b6e236d19a66a7f220059_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1396
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1984
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 468
    3⤵
    - Program crash
    PID:2172
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 500
    3⤵
    - Program crash
    PID:3600
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:1908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1984 -ip 1984
1⤵
PID:4484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1984 -ip 1984
1⤵
PID:4396

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/1396-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1396-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1984-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1984-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download