Analysis
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max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
22-02-2025 16:42
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe
Resource
win7-20240903-en
General
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Target
JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe
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Size
690KB
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MD5
1af0cf6c39c150dcf4fd8a2c425b8610
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SHA1
ae2f70d2937c9297f25a4de987a53f87f5d31166
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SHA256
aeff8acbaf53e321bcdaf6574cf183765383ee3229d5c5903d1dc6ed2f21b150
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SHA512
900899ebfe375ef120d17f6b1c3174a872c66dd98ef69f8ad10a0f168de756e1e225d0736ec88c060ba928afb9928d7fbc737b47067f964f49acc58720c44a4f
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SSDEEP
12288:TOqBSaE2ETJ/+EkGz1lr3nxGteN4r3t8UOGz624SitfLmygYfq:KCS2E7z193Rit8UJ62Bmhgeq
Malware Config
Extracted
xtremerat
tomar0.no-ip.biz
Signatures
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Detect XtremeRAT payload 11 IoCs
resource yara_rule behavioral1/memory/2388-4-0x0000000000C80000-0x0000000000CE9000-memory.dmp family_xtremerat behavioral1/memory/2388-18-0x0000000000C80000-0x0000000000CE9000-memory.dmp family_xtremerat behavioral1/memory/2388-14-0x0000000000C80000-0x0000000000CE9000-memory.dmp family_xtremerat behavioral1/memory/2388-10-0x0000000000C80000-0x0000000000CE9000-memory.dmp family_xtremerat behavioral1/memory/2388-7-0x0000000000C80000-0x0000000000CE9000-memory.dmp family_xtremerat behavioral1/memory/2388-12-0x0000000000C80000-0x0000000000CE9000-memory.dmp family_xtremerat behavioral1/memory/2388-2-0x0000000000C80000-0x0000000000CE9000-memory.dmp family_xtremerat behavioral1/memory/2296-24-0x0000000000C80000-0x0000000000CE9000-memory.dmp family_xtremerat behavioral1/memory/2296-27-0x0000000000C80000-0x0000000000CE9000-memory.dmp family_xtremerat behavioral1/memory/2296-33-0x0000000000C80000-0x0000000000CE9000-memory.dmp family_xtremerat behavioral1/memory/2296-41-0x0000000000C80000-0x0000000000CE9000-memory.dmp family_xtremerat -
XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
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Xtremerat family
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Boot or Logon Autostart Execution: Active Setup 2 TTPs 6 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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\\InstallDir\\Server.exe restart" Server.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\Server.exe restart" explorer.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart" JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} Server.exe -
Executes dropped EXE 2 IoCs
pid Process 2616 Server.exe 2604 Server.exe -
Loads dropped DLL 2 IoCs
pid Process 2296 explorer.exe 2296 explorer.exe -
Adds Run key to start application 2 TTPs 6 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe" JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\Server.exe" Server.exe Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\Server.exe" Server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\Server.exe" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\Server.exe" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe" JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\InstallDir\Server.exe JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe File created C:\Windows\SysWOW64\InstallDir\Server.exe JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe File opened for modification C:\Windows\SysWOW64\InstallDir\Server.exe Server.exe File created C:\Windows\SysWOW64\InstallDir\Server.exe Server.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 3028 set thread context of 2388 3028 JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe 30 PID 2616 set thread context of 2604 2616 Server.exe 35 PID 2604 set thread context of 1140 2604 Server.exe 37 -
resource yara_rule behavioral1/memory/1140-73-0x0000000001610000-0x0000000001712000-memory.dmp upx behavioral1/memory/1140-71-0x0000000001610000-0x0000000001712000-memory.dmp upx behavioral1/memory/1140-69-0x0000000001610000-0x0000000001712000-memory.dmp upx behavioral1/memory/1140-76-0x0000000001610000-0x0000000001712000-memory.dmp upx behavioral1/memory/1140-77-0x0000000001610000-0x0000000001712000-memory.dmp upx behavioral1/memory/1140-78-0x0000000001610000-0x0000000001712000-memory.dmp upx behavioral1/memory/1140-79-0x0000000001610000-0x0000000001712000-memory.dmp upx behavioral1/memory/1140-80-0x0000000001610000-0x0000000001712000-memory.dmp upx behavioral1/memory/1140-83-0x0000000001610000-0x0000000001712000-memory.dmp upx behavioral1/memory/1140-82-0x0000000001610000-0x0000000001712000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1140 explorer.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2296 explorer.exe 1140 explorer.exe 1140 explorer.exe -
Suspicious use of WriteProcessMemory 49 IoCs
description pid Process procid_target PID 3028 wrote to memory of 2388 3028 JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe 30 PID 3028 wrote to memory of 2388 3028 JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe 30 PID 3028 wrote to memory of 2388 3028 JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe 30 PID 3028 wrote to memory of 2388 3028 JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe 30 PID 3028 wrote to memory of 2388 3028 JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe 30 PID 3028 wrote to memory of 2388 3028 JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe 30 PID 3028 wrote to memory of 2388 3028 JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe 30 PID 3028 wrote to memory of 2388 3028 JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe 30 PID 3028 wrote to memory of 2388 3028 JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe 30 PID 3028 wrote to memory of 2388 3028 JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe 30 PID 3028 wrote to memory of 2388 3028 JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe 30 PID 3028 wrote to memory of 2388 3028 JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe 30 PID 2388 wrote to memory of 2740 2388 JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe 31 PID 2388 wrote to memory of 2740 2388 JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe 31 PID 2388 wrote to memory of 2740 2388 JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe 31 PID 2388 wrote to memory of 2740 2388 JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe 31 PID 2388 wrote to memory of 2296 2388 JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe 32 PID 2388 wrote to memory of 2296 2388 JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe 32 PID 2388 wrote to memory of 2296 2388 JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe 32 PID 2388 wrote to memory of 2296 2388 JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe 32 PID 2388 wrote to memory of 2296 2388 JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe 32 PID 2296 wrote to memory of 2616 2296 explorer.exe 33 PID 2296 wrote to memory of 2616 2296 explorer.exe 33 PID 2296 wrote to memory of 2616 2296 explorer.exe 33 PID 2296 wrote to memory of 2616 2296 explorer.exe 33 PID 2616 wrote to memory of 2604 2616 Server.exe 35 PID 2616 wrote to memory of 2604 2616 Server.exe 35 PID 2616 wrote to memory of 2604 2616 Server.exe 35 PID 2616 wrote to memory of 2604 2616 Server.exe 35 PID 2616 wrote to memory of 2604 2616 Server.exe 35 PID 2616 wrote to memory of 2604 2616 Server.exe 35 PID 2616 wrote to memory of 2604 2616 Server.exe 35 PID 2616 wrote to memory of 2604 2616 Server.exe 35 PID 2616 wrote to memory of 2604 2616 Server.exe 35 PID 2616 wrote to memory of 2604 2616 Server.exe 35 PID 2616 wrote to memory of 2604 2616 Server.exe 35 PID 2616 wrote to memory of 2604 2616 Server.exe 35 PID 2604 wrote to memory of 484 2604 Server.exe 36 PID 2604 wrote to memory of 484 2604 Server.exe 36 PID 2604 wrote to memory of 484 2604 Server.exe 36 PID 2604 wrote to memory of 484 2604 Server.exe 36 PID 2604 wrote to memory of 1140 2604 Server.exe 37 PID 2604 wrote to memory of 1140 2604 Server.exe 37 PID 2604 wrote to memory of 1140 2604 Server.exe 37 PID 2604 wrote to memory of 1140 2604 Server.exe 37 PID 2604 wrote to memory of 1140 2604 Server.exe 37 PID 2604 wrote to memory of 1140 2604 Server.exe 37 PID 2604 wrote to memory of 1140 2604 Server.exe 37 PID 2604 wrote to memory of 1140 2604 Server.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3028 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exeC:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe2⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2388 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"3⤵PID:2740
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C:\Windows\SysWOW64\explorer.exeexplorer.exe3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2296 -
C:\Windows\SysWOW64\InstallDir\Server.exe"C:\Windows\system32\InstallDir\Server.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2616 -
C:\Windows\SysWOW64\InstallDir\Server.exeC:\Windows\SysWOW64\InstallDir\Server.exe5⤵
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"6⤵PID:484
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C:\Windows\SysWOW64\explorer.exeexplorer.exe6⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1140
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5ac38b0ebe059e4b1dcaf8618998df9c5
SHA15adc87933e14166f7842351d6da8ae310b022a01
SHA2564f7834dd822deff868a27fa27f3da54936d7702a1d1a7892c2ff58e215bc3d80
SHA5121828d090c68eeec374cb2931ea5bb7be678b402891be9fdccef7d5c1c47d474032e62d6d824b415c07355c8ddd1a352aba580a461d40f6ea8262e1d0db9e86aa
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Filesize
2B
MD584cad01fdb44ae58dbe6c3973dcd87f5
SHA14700b42849fb35be323774820bf1bc8019d26c80
SHA2568b1f194be530240c18bf0b1ee0d038e750fab8b24c6bd25c864297e5ebb41fa6
SHA5126e10d3ec4724c1aca9ff3f6a26292ba80065d18e8e9395f1474c0a298008f25e312e2f7024e7d10aab3264764e69a25553cc20afd23090f83921d20e42b989ab
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Filesize
343KB
MD56426d400c96fb9ffef4eaa54f6647f4c
SHA170a37871aff432790b6adf7d3fc4eb929476e082
SHA25698bba0cf4c57ecd35b227f45e4aa6dd50ef7cfb1160235cc14687c96eb09fa3c
SHA5122c8b4d3ab066cbfca6cf0c8d89d5044152b5e3d7100249cbedd1c816e3a4a94efc8bc6b79c1dab4bdf96e3ce476d6caccf625cfbe0aff3bf5e7a29dfcfa948c5
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Filesize
690KB
MD51af0cf6c39c150dcf4fd8a2c425b8610
SHA1ae2f70d2937c9297f25a4de987a53f87f5d31166
SHA256aeff8acbaf53e321bcdaf6574cf183765383ee3229d5c5903d1dc6ed2f21b150
SHA512900899ebfe375ef120d17f6b1c3174a872c66dd98ef69f8ad10a0f168de756e1e225d0736ec88c060ba928afb9928d7fbc737b47067f964f49acc58720c44a4f