xtremerat | 3cc3b390f139dfbcf74bd3f86259e47e0ce3f04610c88375f56d9b2aae8479ad

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
31-01-2025 22:37

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General

Target

JaffaCakes118_6e83f18266276360aca11db133093aab.exe
Size

383KB
MD5

6e83f18266276360aca11db133093aab
SHA1

9d09ce312df665e0971574db746a988f24d7c78b
SHA256

3cc3b390f139dfbcf74bd3f86259e47e0ce3f04610c88375f56d9b2aae8479ad
SHA512

b7ab08efca975a371f990c271d4beed083acb7b2ed36a8a7dc78f2b989a866c423934b1785d7a9221050c6400f7540d8fbea4265b2fdbb9249cc5df291235fc8
SSDEEP

6144:ozJqe4YmVxSWhn8ShFBEtXCVFQfFt5a0hcO3rgxzOf36wLj+SX9iroOiNN97oYLw:Ab41VxRh8SjqkzY5xhtU9i8DoNf9r

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 9 IoCs

resource	yara_rule
behavioral2/memory/1680-6-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/1680-7-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/2092-26-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/5064-27-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/876-29-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/5028-28-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/1680-31-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/3184-33-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/5064-38-0x0000000000C80000-0x0000000000C95000-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

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	JaffaCakes118_6e83f18266276360aca11db133093aab.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\Womlogon\\csrss.exe restart"	JaffaCakes118_6e83f18266276360aca11db133093aab.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	JaffaCakes118_6e83f18266276360aca11db133093aab.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\Womlogon\\csrss.exe restart"	JaffaCakes118_6e83f18266276360aca11db133093aab.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6e83f18266276360aca11db133093aab.exe

Deletes itself 1 IoCs

pid	Process
2092	explorer.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Roaming\\Womlogon\\csrss.exe"	JaffaCakes118_6e83f18266276360aca11db133093aab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Roaming\\Womlogon\\csrss.exe"	JaffaCakes118_6e83f18266276360aca11db133093aab.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Roaming\\Womlogon\\csrss.exe"	JaffaCakes118_6e83f18266276360aca11db133093aab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Roaming\\Womlogon\\csrss.exe"	JaffaCakes118_6e83f18266276360aca11db133093aab.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3576 set thread context of 3740	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	87
PID 3576 set thread context of 1680	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	88
PID 3576 set thread context of 2356	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	86
PID 3576 set thread context of 3184	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	89

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1680-1-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/1680-4-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/1680-6-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/1680-7-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/3184-13-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/2092-26-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/5064-27-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/876-29-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/5028-28-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/1680-31-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/3184-33-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/5064-38-0x0000000000C80000-0x0000000000C95000-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 8 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6e83f18266276360aca11db133093aab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6e83f18266276360aca11db133093aab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6e83f18266276360aca11db133093aab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6e83f18266276360aca11db133093aab.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5064	svchost.exe

Suspicious use of WriteProcessMemory 50 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 2356	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	86
PID 3576 wrote to memory of 2356	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	86
PID 3576 wrote to memory of 2356	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	86
PID 3576 wrote to memory of 3740	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	87
PID 3576 wrote to memory of 3740	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	87
PID 3576 wrote to memory of 3740	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	87
PID 3576 wrote to memory of 3740	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	87
PID 3576 wrote to memory of 3740	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	87
PID 3576 wrote to memory of 3740	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	87
PID 3576 wrote to memory of 3740	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	87
PID 3576 wrote to memory of 3740	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	87
PID 3576 wrote to memory of 3740	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	87
PID 3576 wrote to memory of 1680	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	88
PID 3576 wrote to memory of 1680	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	88
PID 3576 wrote to memory of 1680	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	88
PID 3576 wrote to memory of 1680	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	88
PID 3576 wrote to memory of 1680	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	88
PID 3576 wrote to memory of 1680	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	88
PID 3576 wrote to memory of 1680	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	88
PID 3576 wrote to memory of 1680	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	88
PID 3576 wrote to memory of 3184	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	89
PID 3576 wrote to memory of 3184	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	89
PID 3576 wrote to memory of 3184	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	89
PID 3576 wrote to memory of 3184	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	89
PID 3576 wrote to memory of 3184	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	89
PID 3576 wrote to memory of 3184	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	89
PID 3576 wrote to memory of 3184	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	89
PID 3576 wrote to memory of 3184	3576	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	89
PID 1680 wrote to memory of 4996	1680	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	90
PID 1680 wrote to memory of 4996	1680	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	90
PID 1680 wrote to memory of 4996	1680	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	90
PID 3184 wrote to memory of 2424	3184	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	91
PID 3184 wrote to memory of 2424	3184	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	91
PID 3184 wrote to memory of 2424	3184	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	91
PID 1680 wrote to memory of 5064	1680	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	92
PID 1680 wrote to memory of 5064	1680	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	92
PID 1680 wrote to memory of 5064	1680	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	92
PID 3184 wrote to memory of 876	3184	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	93
PID 3184 wrote to memory of 876	3184	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	93
PID 3184 wrote to memory of 876	3184	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	93
PID 1680 wrote to memory of 2092	1680	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	94
PID 1680 wrote to memory of 2092	1680	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	94
PID 1680 wrote to memory of 2092	1680	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	94
PID 3184 wrote to memory of 5028	3184	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	95
PID 3184 wrote to memory of 5028	3184	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	95
PID 3184 wrote to memory of 5028	3184	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	95
PID 1680 wrote to memory of 2092	1680	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	94
PID 1680 wrote to memory of 5064	1680	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	92
PID 3184 wrote to memory of 5028	3184	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	95
PID 3184 wrote to memory of 876	3184	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	93

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e83f18266276360aca11db133093aab.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e83f18266276360aca11db133093aab.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3576
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e83f18266276360aca11db133093aab.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e83f18266276360aca11db133093aab.exe"
  2⤵
  PID:2356
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e83f18266276360aca11db133093aab.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e83f18266276360aca11db133093aab.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  PID:3740
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e83f18266276360aca11db133093aab.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e83f18266276360aca11db133093aab.exe"
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1680
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:4996
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:5064
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2092
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e83f18266276360aca11db133093aab.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e83f18266276360aca11db133093aab.exe"
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3184
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:2424
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:876
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\XJRTZ0.cfg

Filesize
1KB

MD5
3696c867885c4bf7b9a28ce801fc4b17

SHA1
a52742a3286c20ca3ca018553b2273304e4a18bf

SHA256
69e2e0ab588fce761049e04bc2b447a651912033a788bcf4e08de442443fbcb4

SHA512
f0b2a3ede91b7f7f075191bb617147c1e7ee4e0e7e22228a0a417a03c569f68c503ee78b7023ccc1300999e7a4afacf98cfe961efd8f1c9647d9543c891356a1

Download Submit
C:\Users\Admin\AppData\Roaming\Womlogon\csrss.exe

Filesize
192KB

MD5
631d28542b049a7350f78618c81d3983

SHA1
027f5d9bc284026ca7db84d5a34c8a9204172f63

SHA256
18aad87541f280fafad2f65a50d197bb664902e5dec45f2b66e759924fe4f3cd

SHA512
cd990f9d202be639c04711a5c30af4a0065849251705b557dacc1d38bef05f2e201a6cef8bdd7fc702909ea17f0f8eec6de1ac6dce418f0a12a33e29e56e34df

Download Submit
C:\Users\Admin\AppData\Roaming\Womlogon\csrss.exe

Filesize
383KB

MD5
6e83f18266276360aca11db133093aab

SHA1
9d09ce312df665e0971574db746a988f24d7c78b

SHA256
3cc3b390f139dfbcf74bd3f86259e47e0ce3f04610c88375f56d9b2aae8479ad

SHA512
b7ab08efca975a371f990c271d4beed083acb7b2ed36a8a7dc78f2b989a866c423934b1785d7a9221050c6400f7540d8fbea4265b2fdbb9249cc5df291235fc8

Download Submit
memory/876-29-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/1680-31-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/1680-1-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/1680-4-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/1680-6-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/1680-7-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/2092-26-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/3184-13-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/3184-33-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/3740-0-0x0000000001000000-0x000000000104B000-memory.dmp

Filesize
300KB

Download
memory/3740-8-0x0000000000C80000-0x0000000000CE3000-memory.dmp

Filesize
396KB

Download
memory/3740-5-0x0000000001000000-0x000000000104B000-memory.dmp

Filesize
300KB

Download
memory/3740-2-0x0000000001000000-0x000000000104B000-memory.dmp

Filesize
300KB

Download
memory/5028-28-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/5064-27-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/5064-38-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads