xtremerat | ecc9a9cf4a6f9e4828ae8b5209a4a7069a5c50d8b6eb99ac03626d4987b8a976

Analysis

max time kernel
148s
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
24-11-2024 18:21

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General

Target

966b2629b0076cefc1fd28f42c4ef00d_JaffaCakes118.exe
Size

31KB
MD5

966b2629b0076cefc1fd28f42c4ef00d
SHA1

77521dd8fa172ae6c2fd47342a69885fc1c553ab
SHA256

ecc9a9cf4a6f9e4828ae8b5209a4a7069a5c50d8b6eb99ac03626d4987b8a976
SHA512

a2979ba504af91bccc62da0df2b79c3fc798d95af93228bb0c2e36798dc9daccec4a29c78a18db6974f78bc0ee10ccffa13edfafeded4e2d3050feede7e08230
SSDEEP

768:FsuijtHf5g7/MjN3Ha4LWqY+5cpSMuRRRzv4/+5jXNO9LOlL5:uNW70x6ALBwvElL5

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

semih34.no-ip.biz

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/4836-1-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/2920-3-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/4836-4-0x0000000010000000-0x000000001004B000-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/2920-0-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/4836-1-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/2920-3-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/4836-4-0x0000000010000000-0x000000001004B000-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
4212	4836	WerFault.exe	83
4396	4836	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	966b2629b0076cefc1fd28f42c4ef00d_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 2920 wrote to memory of 4836	2920	966b2629b0076cefc1fd28f42c4ef00d_JaffaCakes118.exe	83
PID 2920 wrote to memory of 4836	2920	966b2629b0076cefc1fd28f42c4ef00d_JaffaCakes118.exe	83
PID 2920 wrote to memory of 4836	2920	966b2629b0076cefc1fd28f42c4ef00d_JaffaCakes118.exe	83
PID 2920 wrote to memory of 4836	2920	966b2629b0076cefc1fd28f42c4ef00d_JaffaCakes118.exe	83
PID 2920 wrote to memory of 1944	2920	966b2629b0076cefc1fd28f42c4ef00d_JaffaCakes118.exe	84
PID 2920 wrote to memory of 1944	2920	966b2629b0076cefc1fd28f42c4ef00d_JaffaCakes118.exe	84
PID 2920 wrote to memory of 1944	2920	966b2629b0076cefc1fd28f42c4ef00d_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\966b2629b0076cefc1fd28f42c4ef00d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\966b2629b0076cefc1fd28f42c4ef00d_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4836
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 476
    3⤵
    - Program crash
    PID:4212
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 500
    3⤵
    - Program crash
    PID:4396
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:1944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4836 -ip 4836
1⤵
PID:632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4836 -ip 4836
1⤵
PID:4048

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

Replay Monitor

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Downloads

memory/2920-0-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2920-3-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/4836-1-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/4836-4-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download