xtremerat | 6e346988e05a8bcb1204ca7e75219e7b3c3ef9efe537dec743478518c83212c2

General

Target

JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe
Size

719KB
MD5

08c335fad183d43581ea091d978a99b4
SHA1

b3dd3b452fbe812e689b0d2f0d09e98b9c50d590
SHA256

6e346988e05a8bcb1204ca7e75219e7b3c3ef9efe537dec743478518c83212c2
SHA512

dd843c962ba08ab4b9b5ba93833fa705b7159e8c6ddfed276abb7cad279a52786518ed4883ef5e21d9633a31a19ce359c17b6a7ebd72f2478e07b6229d378ea0
SSDEEP

12288:HhkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcE4aeu054W4QdH1l:NRmJkcoQricOIQxiZY1iaeu7WN

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/4820-15-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/4396-22-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/4820-25-0x0000000000C80000-0x0000000000C95000-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

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\USER\S-1-5-21-100612193-3312047696-905266872-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Roaming\\toolbar\\bar.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Roaming\\toolbar\\bar.exe"	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-100612193-3312047696-905266872-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Roaming\\toolbar\\bar.exe"	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Roaming\\toolbar\\bar.exe"	svchost.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4820-16-0x0000000000400000-0x00000000004AF000-memory.dmp	autoit_exe
behavioral2/files/0x0009000000023c8f-23.dat	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3148 set thread context of 4848	3148	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	89
PID 4848 set thread context of 4820	4848	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	90

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4820-8-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/4820-14-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/4820-15-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/4396-22-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/4820-25-0x0000000000C80000-0x0000000000C95000-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 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	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4848	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe
4820	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3148 wrote to memory of 4848	3148	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	89
PID 3148 wrote to memory of 4848	3148	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	89
PID 3148 wrote to memory of 4848	3148	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	89
PID 3148 wrote to memory of 4848	3148	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	89
PID 3148 wrote to memory of 4848	3148	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	89
PID 3148 wrote to memory of 4848	3148	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	89
PID 3148 wrote to memory of 4848	3148	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	89
PID 3148 wrote to memory of 4848	3148	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	89
PID 3148 wrote to memory of 4848	3148	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	89
PID 4848 wrote to memory of 4820	4848	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	90
PID 4848 wrote to memory of 4820	4848	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	90
PID 4848 wrote to memory of 4820	4848	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	90
PID 4848 wrote to memory of 4820	4848	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	90
PID 4848 wrote to memory of 4820	4848	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	90
PID 4848 wrote to memory of 4820	4848	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	90
PID 4848 wrote to memory of 4820	4848	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	90
PID 4848 wrote to memory of 4820	4848	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	90
PID 4820 wrote to memory of 4396	4820	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	91
PID 4820 wrote to memory of 4396	4820	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	91
PID 4820 wrote to memory of 4396	4820	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	91
PID 4820 wrote to memory of 4396	4820	JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3148
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4848
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_08c335fad183d43581ea091d978a99b4.exe
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4820
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:4396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

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

C:\Users\Admin\AppData\Roaming\toolbar\bar.exe

Filesize
719KB

MD5
08c335fad183d43581ea091d978a99b4

SHA1
b3dd3b452fbe812e689b0d2f0d09e98b9c50d590

SHA256
6e346988e05a8bcb1204ca7e75219e7b3c3ef9efe537dec743478518c83212c2

SHA512
dd843c962ba08ab4b9b5ba93833fa705b7159e8c6ddfed276abb7cad279a52786518ed4883ef5e21d9633a31a19ce359c17b6a7ebd72f2478e07b6229d378ea0

Download Submit
memory/3148-1-0x0000000001A80000-0x0000000001A81000-memory.dmp

Filesize
4KB

Download
memory/3148-0-0x0000000001A80000-0x0000000001A81000-memory.dmp

Filesize
4KB

Download
memory/4396-22-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/4820-15-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/4820-25-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/4820-8-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/4820-16-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4820-14-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/4848-3-0x0000000000400000-0x000000000040A001-memory.dmp

Filesize
40KB

Download
memory/4848-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4848-12-0x0000000000400000-0x000000000040A001-memory.dmp

Filesize
40KB

Download
memory/4848-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4848-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads