xtremerat | 207a05af8f582c537534cb791a813e42791511c00938e5bf52ade2cbe225394a

General

Target

73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe
Size

104KB
MD5

73d8c52be592c824feba5972f2cf667c
SHA1

019fc0384b4ebb1b6827e4bca059bace76b4d32b
SHA256

207a05af8f582c537534cb791a813e42791511c00938e5bf52ade2cbe225394a
SHA512

c9b7e9c5a32fb184b6287d9ab226141712e964bb11f85e0fb002f81e6a31e4b90788877e8dc8699eb66781e25579b5343756078acad83980cbd3f8b25506d2e2
SSDEEP

1536:e2ghaZcYZqJC3xdTOuWrdhoh8SHtNeuH21OfyerBjxwX:eHaZ0JKZWxhPSNNMOfbBo

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

｜bahoz.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2536-24-0x0000000013140000-0x000000001315F000-memory.dmp	family_xtremerat
behavioral1/memory/2536-25-0x0000000013140000-0x000000001315F000-memory.dmp	family_xtremerat
behavioral1/memory/2900-34-0x0000000013140000-0x000000001315F000-memory.dmp	family_xtremerat
behavioral1/memory/2536-35-0x0000000013140000-0x000000001315F000-memory.dmp	family_xtremerat
behavioral1/memory/2900-37-0x0000000013140000-0x000000001315F000-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

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 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\{3GO00F5M-M4VX-H423-T2CG-L6P6J22T4A1D}\StubPath = "C:\\Windows\\system32\\InstallDir\\After.exe restart"	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{3GO00F5M-M4VX-H423-T2CG-L6P6J22T4A1D}	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 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:\\Windows\\system32\\InstallDir\\After.exe"	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\After.exe"	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\InstallDir\After.exe	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\InstallDir\After.exe	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\InstallDir\	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1600 set thread context of 2536	1600	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe	30

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2536-21-0x0000000013140000-0x000000001315F000-memory.dmp	upx
behavioral1/memory/2536-23-0x0000000013140000-0x000000001315F000-memory.dmp	upx
behavioral1/memory/2536-24-0x0000000013140000-0x000000001315F000-memory.dmp	upx
behavioral1/memory/2536-25-0x0000000013140000-0x000000001315F000-memory.dmp	upx
behavioral1/memory/2900-34-0x0000000013140000-0x000000001315F000-memory.dmp	upx
behavioral1/memory/2536-35-0x0000000013140000-0x000000001315F000-memory.dmp	upx
behavioral1/memory/2900-37-0x0000000013140000-0x000000001315F000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe

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 3 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	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1600	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe
2900	explorer.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 2536	1600	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe	30
PID 1600 wrote to memory of 2536	1600	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe	30
PID 1600 wrote to memory of 2536	1600	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe	30
PID 1600 wrote to memory of 2536	1600	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe	30
PID 1600 wrote to memory of 2536	1600	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe	30
PID 1600 wrote to memory of 2536	1600	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe	30
PID 1600 wrote to memory of 2536	1600	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe	30
PID 1600 wrote to memory of 2536	1600	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe	30
PID 1600 wrote to memory of 2536	1600	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe	30
PID 2536 wrote to memory of 2900	2536	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe	31
PID 2536 wrote to memory of 2900	2536	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe	31
PID 2536 wrote to memory of 2900	2536	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe	31
PID 2536 wrote to memory of 2900	2536	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe	31
PID 2536 wrote to memory of 2900	2536	73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Users\Admin\AppData\Local\Temp\73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\73d8c52be592c824feba5972f2cf667c_JaffaCakes118.exe"
  2⤵
  - 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:2536
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1600-4-0x00000000001F0000-0x0000000000200000-memory.dmp

Filesize
64KB

Download
memory/1600-10-0x0000000000900000-0x0000000000910000-memory.dmp

Filesize
64KB

Download
memory/1600-17-0x0000000002430000-0x0000000002440000-memory.dmp

Filesize
64KB

Download
memory/1600-16-0x0000000002420000-0x0000000002430000-memory.dmp

Filesize
64KB

Download
memory/1600-0-0x0000000000400000-0x000000000041AA00-memory.dmp

Filesize
106KB

Download
memory/1600-14-0x00000000023C0000-0x00000000023D0000-memory.dmp

Filesize
64KB

Download
memory/1600-13-0x00000000023B0000-0x00000000023C0000-memory.dmp

Filesize
64KB

Download
memory/1600-12-0x00000000023A0000-0x00000000023B0000-memory.dmp

Filesize
64KB

Download
memory/1600-11-0x0000000002390000-0x00000000023A0000-memory.dmp

Filesize
64KB

Download
memory/1600-27-0x0000000000400000-0x000000000041AA00-memory.dmp

Filesize
106KB

Download
memory/1600-8-0x00000000003F0000-0x0000000000400000-memory.dmp

Filesize
64KB

Download
memory/1600-7-0x00000000003E0000-0x00000000003F0000-memory.dmp

Filesize
64KB

Download
memory/1600-9-0x00000000008F0000-0x0000000000900000-memory.dmp

Filesize
64KB

Download
memory/1600-6-0x00000000003D0000-0x00000000003E0000-memory.dmp

Filesize
64KB

Download
memory/1600-15-0x00000000023D0000-0x00000000023E0000-memory.dmp

Filesize
64KB

Download
memory/1600-3-0x00000000001D0000-0x00000000001E0000-memory.dmp

Filesize
64KB

Download
memory/1600-2-0x00000000001C0000-0x00000000001D0000-memory.dmp

Filesize
64KB

Download
memory/1600-1-0x00000000001B0000-0x00000000001C0000-memory.dmp

Filesize
64KB

Download
memory/1600-20-0x0000000002450000-0x000000000246B000-memory.dmp

Filesize
108KB

Download
memory/1600-5-0x00000000002C0000-0x00000000002D0000-memory.dmp

Filesize
64KB

Download
memory/2536-25-0x0000000013140000-0x000000001315F000-memory.dmp

Filesize
124KB

Download
memory/2536-24-0x0000000013140000-0x000000001315F000-memory.dmp

Filesize
124KB

Download
memory/2536-23-0x0000000013140000-0x000000001315F000-memory.dmp

Filesize
124KB

Download
memory/2536-21-0x0000000013140000-0x000000001315F000-memory.dmp

Filesize
124KB

Download
memory/2536-35-0x0000000013140000-0x000000001315F000-memory.dmp

Filesize
124KB

Download
memory/2900-34-0x0000000013140000-0x000000001315F000-memory.dmp

Filesize
124KB

Download
memory/2900-32-0x0000000013140000-0x000000001315F000-memory.dmp

Filesize
124KB

Download
memory/2900-37-0x0000000013140000-0x000000001315F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads