xtremerat | 775dff37bf9b70daf6e2e795bcf8b1950f4d5bd1abb433ab0166fface1e0a587

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
14-01-2025 13:49

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General

Target

JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe
Size

132KB
MD5

3e4cc3b38500d6159db52450da2285fc
SHA1

f2f91c97b5cb0ebfcc777ee6d98eea7362fc8615
SHA256

775dff37bf9b70daf6e2e795bcf8b1950f4d5bd1abb433ab0166fface1e0a587
SHA512

7fabc6aedc7fe7871c20d66aad41ee115db65070422d5501d8ef9f1ae1cfd985c0ade622304a806680601ec4014c5ae945cb4567a8034b0700c0419d1885af54
SSDEEP

1536:/Mn89MvS0RwnSQG+ifi0qtuFAqj2qFx0s45pTPWOFvnbAJycMO8zgWfM:lGvSazQG+ia0q0iK2qboPWoAVfWfM

Score

10^/10

xtremerat bootkit discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

finders.hopto.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/2864-27-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2924-31-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2924-34-0x0000000010000000-0x000000001004D000-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

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2644 set thread context of 2700	2644	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	30
PID 2700 set thread context of 2864	2700	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	31

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2864-26-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2864-27-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2864-24-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2864-21-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2864-20-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2924-31-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2924-34-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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_3e4cc3b38500d6159db52450da2285fc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2644	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe
2700	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2700	2644	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	30
PID 2644 wrote to memory of 2700	2644	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	30
PID 2644 wrote to memory of 2700	2644	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	30
PID 2644 wrote to memory of 2700	2644	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	30
PID 2644 wrote to memory of 2700	2644	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	30
PID 2644 wrote to memory of 2700	2644	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	30
PID 2644 wrote to memory of 2700	2644	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	30
PID 2644 wrote to memory of 2700	2644	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	30
PID 2644 wrote to memory of 2700	2644	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	30
PID 2700 wrote to memory of 2864	2700	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	31
PID 2700 wrote to memory of 2864	2700	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	31
PID 2700 wrote to memory of 2864	2700	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	31
PID 2700 wrote to memory of 2864	2700	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	31
PID 2700 wrote to memory of 2864	2700	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	31
PID 2700 wrote to memory of 2864	2700	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	31
PID 2700 wrote to memory of 2864	2700	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	31
PID 2700 wrote to memory of 2864	2700	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	31
PID 2864 wrote to memory of 2924	2864	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	32
PID 2864 wrote to memory of 2924	2864	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	32
PID 2864 wrote to memory of 2924	2864	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	32
PID 2864 wrote to memory of 2924	2864	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	32
PID 2864 wrote to memory of 2924	2864	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	32
PID 2864 wrote to memory of 2576	2864	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	33
PID 2864 wrote to memory of 2576	2864	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	33
PID 2864 wrote to memory of 2576	2864	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	33
PID 2864 wrote to memory of 2576	2864	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	33
PID 2864 wrote to memory of 2576	2864	JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe"
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e4cc3b38500d6159db52450da2285fc.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2864
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      System Location Discovery: System Language Discovery
      PID:2924
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      PID:2576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

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/2644-14-0x0000000000530000-0x0000000000630000-memory.dmp

Filesize
1024KB

Download
memory/2700-3-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2700-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2700-16-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2700-13-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2700-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2700-5-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2700-32-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2864-27-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2864-28-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2864-24-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2864-21-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2864-20-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2864-19-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2864-26-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2924-31-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2924-34-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads