xtremerat | 4344c515f5c55c168359835432a8dba7b62a9174bc80f4a3cd4191f816d87c67

General

Target

JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe
Size

512KB
MD5

59692dfa8ebd068beb2892829aa063c6
SHA1

89026cc5c667c95d947485eb79ed3227ebf5d3b6
SHA256

4344c515f5c55c168359835432a8dba7b62a9174bc80f4a3cd4191f816d87c67
SHA512

981dab7fcc19289eeabb0d53e05631bb6f4ed87653306a18332f5bca39bf3f5920bacf012386eba0eb3bb84b13ddeff9814776c7f39bc4fdecaeac387027d7a6
SSDEEP

3072:Skq+aXIDTfy2b+tpT/6WK7FwoDIiItTRG5JhR9tM0aQNroC36V9TmxlCirOCUzvJ:S1xygYZR9O0aElXfyfDTR

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

mmm1212.no-ip.biz

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral2/memory/3556-8-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/3556-9-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/628-10-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/3556-13-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/628-14-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/3556-15-0x0000000010000000-0x0000000010048000-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}	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe

Adds Run key to start application 2 TTPs 3 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\\InstallDir\\Server.exe"	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-70482961-775596374-3727440602-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-70482961-775596374-3727440602-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "㩃啜敳獲䅜浤湩䅜灰慄慴䱜捯污呜浥屰慊晦䍡歡獥ㄱ弸㤵㤶搲慦攸摢㘰戸扥㠲㈹㈸愹ち㌶㙣攮數"	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3748 set thread context of 3556	3748	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe	83

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3556-4-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/3556-6-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/3556-8-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/3556-9-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/628-10-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/3556-13-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/628-14-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/3556-15-0x0000000010000000-0x0000000010048000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\Server.exe	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe
File created	C:\Windows\InstallDir\Server.exe	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe
File opened for modification	C:\Windows\InstallDir\	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe

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
1868	628	WerFault.exe	85
1624	628	WerFault.exe	85

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3748	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe
3556	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3748 wrote to memory of 3556	3748	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe	83
PID 3748 wrote to memory of 3556	3748	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe	83
PID 3748 wrote to memory of 3556	3748	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe	83
PID 3748 wrote to memory of 3556	3748	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe	83
PID 3748 wrote to memory of 3556	3748	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe	83
PID 3748 wrote to memory of 3556	3748	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe	83
PID 3748 wrote to memory of 3556	3748	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe	83
PID 3748 wrote to memory of 3556	3748	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe	83
PID 3556 wrote to memory of 628	3556	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe	85
PID 3556 wrote to memory of 628	3556	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe	85
PID 3556 wrote to memory of 628	3556	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe	85
PID 3556 wrote to memory of 628	3556	JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3748
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3556
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:628
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 628 -s 480
      4⤵
      Program crash
      PID:1868
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 628 -s 488
      4⤵
      Program crash
      PID:1624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 628 -ip 628
1⤵
PID:4900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 628 -ip 628
1⤵
PID:3448

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/628-10-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/628-14-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3556-4-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3556-6-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3556-8-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3556-9-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3556-13-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3556-15-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3748-0-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3748-1-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3748-7-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads