xtremerat | 3cc3b390f139dfbcf74bd3f86259e47e0ce3f04610c88375f56d9b2aae8479ad

Analysis

max time kernel
149s
max time network
142s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 7 IoCs

resource	yara_rule
behavioral1/memory/2100-20-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral1/memory/2100-18-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral1/memory/280-28-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral1/memory/3028-32-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral1/memory/2280-35-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral1/memory/2100-36-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral1/memory/2280-39-0x0000000000C80000-0x0000000000C95000-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
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}	svchost.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"	svchost.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	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-1-5-21-3063565911-2056067323-3330884624-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6e83f18266276360aca11db133093aab.exe

Deletes itself 1 IoCs

pid	Process
3028	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-1-5-21-3063565911-2056067323-3330884624-1000\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"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Roaming\\Womlogon\\csrss.exe"	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2072 set thread context of 2532	2072	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	30
PID 2072 set thread context of 2100	2072	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	31

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2100-20-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral1/memory/2100-18-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral1/memory/2100-17-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral1/memory/2100-14-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral1/memory/2100-10-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral1/memory/2100-9-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral1/memory/280-28-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral1/memory/3028-32-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral1/memory/2280-35-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral1/memory/2100-36-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral1/memory/2280-39-0x0000000000C80000-0x0000000000C95000-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 6 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_6e83f18266276360aca11db133093aab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6e83f18266276360aca11db133093aab.exe
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	JaffaCakes118_6e83f18266276360aca11db133093aab.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2280	svchost.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2532	2072	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	30
PID 2072 wrote to memory of 2532	2072	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	30
PID 2072 wrote to memory of 2532	2072	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	30
PID 2072 wrote to memory of 2532	2072	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	30
PID 2072 wrote to memory of 2532	2072	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	30
PID 2072 wrote to memory of 2532	2072	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	30
PID 2072 wrote to memory of 2532	2072	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	30
PID 2072 wrote to memory of 2532	2072	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	30
PID 2072 wrote to memory of 2532	2072	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	30
PID 2072 wrote to memory of 2532	2072	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	30
PID 2072 wrote to memory of 2100	2072	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	31
PID 2072 wrote to memory of 2100	2072	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	31
PID 2072 wrote to memory of 2100	2072	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	31
PID 2072 wrote to memory of 2100	2072	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	31
PID 2072 wrote to memory of 2100	2072	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	31
PID 2072 wrote to memory of 2100	2072	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	31
PID 2072 wrote to memory of 2100	2072	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	31
PID 2072 wrote to memory of 2100	2072	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	31
PID 2100 wrote to memory of 280	2100	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	32
PID 2100 wrote to memory of 280	2100	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	32
PID 2100 wrote to memory of 280	2100	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	32
PID 2100 wrote to memory of 280	2100	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	32
PID 2100 wrote to memory of 280	2100	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	32
PID 2100 wrote to memory of 2280	2100	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	33
PID 2100 wrote to memory of 2280	2100	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	33
PID 2100 wrote to memory of 2280	2100	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	33
PID 2100 wrote to memory of 2280	2100	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	33
PID 2100 wrote to memory of 3028	2100	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	34
PID 2100 wrote to memory of 3028	2100	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	34
PID 2100 wrote to memory of 3028	2100	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	34
PID 2100 wrote to memory of 3028	2100	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	34
PID 2100 wrote to memory of 3028	2100	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	34
PID 2100 wrote to memory of 2280	2100	JaffaCakes118_6e83f18266276360aca11db133093aab.exe	33

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:2072
- 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:2532
- 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:2100
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:280
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2280
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:3028

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\Womlogon\csrss.exe

Filesize
383KB

MD5
6e83f18266276360aca11db133093aab

SHA1
9d09ce312df665e0971574db746a988f24d7c78b

SHA256
3cc3b390f139dfbcf74bd3f86259e47e0ce3f04610c88375f56d9b2aae8479ad

SHA512
b7ab08efca975a371f990c271d4beed083acb7b2ed36a8a7dc78f2b989a866c423934b1785d7a9221050c6400f7540d8fbea4265b2fdbb9249cc5df291235fc8

Download Submit
memory/280-28-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/2100-8-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/2100-36-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/2100-20-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/2100-18-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/2100-17-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/2100-10-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/2100-9-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/2100-14-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/2100-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2280-35-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/2280-39-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/2532-1-0x0000000001000000-0x000000000104B000-memory.dmp

Filesize
300KB

Download
memory/2532-11-0x0000000001000000-0x000000000104B000-memory.dmp

Filesize
300KB

Download
memory/2532-16-0x0000000001000000-0x000000000104B000-memory.dmp

Filesize
300KB

Download
memory/2532-0-0x0000000001000000-0x000000000104B000-memory.dmp

Filesize
300KB

Download
memory/2532-2-0x0000000001000000-0x000000000104B000-memory.dmp

Filesize
300KB

Download
memory/2532-3-0x0000000001000000-0x000000000104B000-memory.dmp

Filesize
300KB

Download
memory/2532-4-0x0000000001000000-0x000000000104B000-memory.dmp

Filesize
300KB

Download
memory/2532-19-0x0000000001000000-0x000000000104B000-memory.dmp

Filesize
300KB

Download
memory/3028-32-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads