xtremerat | 79b9cb11c90f2c44968e729893934defb211171237edbf4fe13029a2144af669

General

Target

c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe
Size

176KB
MD5

c045ae26208faa14c878ca4267bb73d0
SHA1

c8fb91d091cba7c93192f90aa8a030dfb959e0cf
SHA256

79b9cb11c90f2c44968e729893934defb211171237edbf4fe13029a2144af669
SHA512

ab57f72b6997da6fcd3ec7ac4c5f0b0b21dc1c9e25cd2eb9cce85afe8bdbfa025a43075ad16aa07be2dcf50d2d445e4b0b0a56a1bcf98b5f50b32ee574797284
SSDEEP

1536:YuyguAiQ/cBJWumC7ZRtSjGN4IfGuJUHCHGwQrDIKluGeSnZQAPAlj:YufiQUShCrJa/VeSnZ1Uj

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

godfatherbebers.no-ip.biz

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral2/memory/1356-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2368-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3396-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3396-12-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3396-13-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2368-14-0x0000000010000000-0x000000001004D000-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

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
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	rundll32.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"	rundll32.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\\Server.exe"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe"	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\InstallDir\Server.exe	rundll32.exe
File created	C:\Windows\SysWOW64\InstallDir\Server.exe	rundll32.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3344 set thread context of 1356	3344	c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe	83

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1356-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1356-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1356-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2368-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3396-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3396-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3396-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2368-14-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4744	2368	WerFault.exe	84
4748	2368	WerFault.exe	84

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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3344	c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe
3396	rundll32.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3344 wrote to memory of 1356	3344	c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe	83
PID 3344 wrote to memory of 1356	3344	c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe	83
PID 3344 wrote to memory of 1356	3344	c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe	83
PID 3344 wrote to memory of 1356	3344	c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe	83
PID 3344 wrote to memory of 1356	3344	c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe	83
PID 3344 wrote to memory of 1356	3344	c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe	83
PID 3344 wrote to memory of 1356	3344	c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe	83
PID 3344 wrote to memory of 1356	3344	c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe	83
PID 1356 wrote to memory of 2368	1356	c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe	84
PID 1356 wrote to memory of 2368	1356	c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe	84
PID 1356 wrote to memory of 2368	1356	c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe	84
PID 1356 wrote to memory of 2368	1356	c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe	84
PID 1356 wrote to memory of 3396	1356	c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe	85
PID 1356 wrote to memory of 3396	1356	c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe	85
PID 1356 wrote to memory of 3396	1356	c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe	85
PID 1356 wrote to memory of 3396	1356	c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3344
- C:\Users\Admin\AppData\Local\Temp\c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c045ae26208faa14c878ca4267bb73d0_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1356
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2368
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 484
      4⤵
      Program crash
      PID:4744
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 504
      4⤵
      Program crash
      PID:4748
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe
    3⤵
    - 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 SetWindowsHookEx
    PID:3396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2368 -ip 2368
1⤵
PID:1856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2368 -ip 2368
1⤵
PID:2024

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

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Downloads

memory/1356-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1356-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1356-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1356-6-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/2368-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2368-8-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/2368-14-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3396-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3396-10-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/3396-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3396-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3396-15-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads