xtremerat | 06836e1254689ccd6f10c2eee14af17917ac8eda4ba62caade25b8b3bd6140c1

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
03-02-2025 11:00

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General

Target

JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe
Size

505KB
MD5

87c0382ed2e4ec682cd0bfc74004647e
SHA1

0e83060326471aba7d8a1fee4ac5330af1eee0a6
SHA256

06836e1254689ccd6f10c2eee14af17917ac8eda4ba62caade25b8b3bd6140c1
SHA512

65ea68444c3139ce2b7b8915066326396e7875888fb2640a9c6be01c089c27c98fa87c03038e120090830784d3e3acffbee6da7b0ec423baa5ee735319c1e1f1
SSDEEP

6144:9n5VJiVBXUpXn1MvbXqvJjHAsZvvMk1tn0oTWwhRZLN6IxK+u:zHiVBXMFMY0s5F1F0oTdlN6ag

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

bl00dmaster.no-ip.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/2988-23-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2708-28-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2708-29-0x0000000010000000-0x000000001004D000-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

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2968 set thread context of 2988	2968	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	31

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2988-18-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2988-23-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2988-22-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2708-28-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2708-29-0x0000000010000000-0x000000001004D000-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_87c0382ed2e4ec682cd0bfc74004647e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{569FE242-569F-E242-569F-E242569FE242}	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{569FE242-569F-E242-569F-E242569FE242}\InprocServer32	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{569FE242-569F-E242-569F-E242569FE242}\InprocServer32\ = "%SystemRoot%\\SysWow64\\NaturalLanguage6.dll"	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{569FE242-569F-E242-569F-E242569FE242}\InprocServer32\ThreadingModel = "Both"	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	2968	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe
Token: SeIncBasePriorityPrivilege	2968	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe
Token: 33	2968	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe
Token: SeIncBasePriorityPrivilege	2968	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2968	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe
2968	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe

Suspicious use of WriteProcessMemory 57 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2968 wrote to memory of 2988	2968	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	31
PID 2968 wrote to memory of 2988	2968	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	31
PID 2968 wrote to memory of 2988	2968	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	31
PID 2968 wrote to memory of 2988	2968	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	31
PID 2968 wrote to memory of 2988	2968	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	31
PID 2968 wrote to memory of 2988	2968	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	31
PID 2968 wrote to memory of 2988	2968	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	31
PID 2968 wrote to memory of 2988	2968	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	31
PID 2968 wrote to memory of 2988	2968	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	31
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2908 wrote to memory of 2968	2908	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	30
PID 2988 wrote to memory of 2708	2988	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	32
PID 2988 wrote to memory of 2708	2988	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	32
PID 2988 wrote to memory of 2708	2988	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	32
PID 2988 wrote to memory of 2708	2988	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	32
PID 2988 wrote to memory of 2708	2988	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	32
PID 2988 wrote to memory of 2832	2988	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	33
PID 2988 wrote to memory of 2832	2988	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	33
PID 2988 wrote to memory of 2832	2988	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	33
PID 2988 wrote to memory of 2832	2988	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	33
PID 2988 wrote to memory of 2832	2988	JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe"
  2⤵
  - Checks BIOS information in registry
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2968
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87c0382ed2e4ec682cd0bfc74004647e.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2988
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      System Location Discovery: System Language Discovery
      PID:2708
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      PID:2832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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/2708-29-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2708-26-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2708-28-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2908-25-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

Download
memory/2908-0-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

Download
memory/2968-8-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

Download
memory/2968-11-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

Download
memory/2968-13-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

Download
memory/2968-15-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

Download
memory/2968-12-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

Download
memory/2968-1-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

Download
memory/2968-24-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

Download
memory/2968-14-0x0000000000260000-0x00000000002A8000-memory.dmp

Filesize
288KB

Download
memory/2968-2-0x0000000000440000-0x0000000000441000-memory.dmp

Filesize
4KB

Download
memory/2968-3-0x0000000000260000-0x00000000002A8000-memory.dmp

Filesize
288KB

Download
memory/2968-20-0x0000000000260000-0x00000000002A8000-memory.dmp

Filesize
288KB

Download
memory/2988-22-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2988-23-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2988-18-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download