xtremerat | 2781561cbaec7ac6b6f3c9e17b1f2dbb5ab96ae0d8a0d560c0c09e56bd0f1c19

General

Target

35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe
Size

607KB
MD5

35ddf6436f8b57f36f926c5cf200e2c9
SHA1

934310447cec525603f306008b168ff227fc9072
SHA256

2781561cbaec7ac6b6f3c9e17b1f2dbb5ab96ae0d8a0d560c0c09e56bd0f1c19
SHA512

7c86cab7dccfa5678c444f7cc8d30243910dc94888559b1ce7e6e9533b79675500ba9e2bb03ea7253583411dee2b73bc96fee02e02a038d7f4fc4976ad257db0
SSDEEP

12288:dsz0aWhlk4x0t4B4ReoMgjJ2HI0K/lGRgOUqmq9kR6lhKX1ae/flS/rio:da0aKjdgjavK/cRgOnmq9g6M5/NS

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

cescmouad.zapto.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/2192-19-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2356-23-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2192-26-0x0000000010000000-0x000000001004D000-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

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 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\{U1JH7UUB-14B6-QVIC-B52U-A30H37784QKA}	35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{U1JH7UUB-14B6-QVIC-B52U-A30H37784QKA}\StubPath = "C:\\drivers\\driver.exe restart"	35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{U1JH7UUB-14B6-QVIC-B52U-A30H37784QKA}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{U1JH7UUB-14B6-QVIC-B52U-A30H37784QKA}\StubPath = "C:\\drivers\\driver.exe"	svchost.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2192-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2192-19-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2192-16-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2356-23-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2192-26-0x0000000010000000-0x000000001004D000-memory.dmp	upx

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\drivers\\driver.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\drivers\\driver.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\drivers\\driver.exe"	35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\drivers\\driver.exe"	35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2036 set thread context of 2192	2036	35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe	30

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2036	35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe
2192	35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 2192	2036	35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe	30
PID 2036 wrote to memory of 2192	2036	35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe	30
PID 2036 wrote to memory of 2192	2036	35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe	30
PID 2036 wrote to memory of 2192	2036	35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe	30
PID 2036 wrote to memory of 2192	2036	35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe	30
PID 2036 wrote to memory of 2192	2036	35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe	30
PID 2036 wrote to memory of 2192	2036	35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe	30
PID 2036 wrote to memory of 2192	2036	35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe	30
PID 2036 wrote to memory of 2192	2036	35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe	30
PID 2192 wrote to memory of 2356	2192	35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe	31
PID 2192 wrote to memory of 2356	2192	35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe	31
PID 2192 wrote to memory of 2356	2192	35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe	31
PID 2192 wrote to memory of 2356	2192	35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe	31
PID 2192 wrote to memory of 2356	2192	35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Users\Admin\AppData\Local\Temp\35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\35ddf6436f8b57f36f926c5cf200e2c9_JaffaCakes118.exe"
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2192
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Adds Run key to start application
    PID:2356

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\drivers\driver.exe

Filesize
607KB

MD5
35ddf6436f8b57f36f926c5cf200e2c9

SHA1
934310447cec525603f306008b168ff227fc9072

SHA256
2781561cbaec7ac6b6f3c9e17b1f2dbb5ab96ae0d8a0d560c0c09e56bd0f1c19

SHA512
7c86cab7dccfa5678c444f7cc8d30243910dc94888559b1ce7e6e9533b79675500ba9e2bb03ea7253583411dee2b73bc96fee02e02a038d7f4fc4976ad257db0

Download Submit
memory/2036-3-0x0000000001F10000-0x0000000001F11000-memory.dmp

Filesize
4KB

Download
memory/2036-18-0x0000000000330000-0x0000000000390000-memory.dmp

Filesize
384KB

Download
memory/2036-10-0x0000000003180000-0x0000000003181000-memory.dmp

Filesize
4KB

Download
memory/2036-9-0x0000000003180000-0x0000000003181000-memory.dmp

Filesize
4KB

Download
memory/2036-8-0x0000000001F70000-0x0000000001F71000-memory.dmp

Filesize
4KB

Download
memory/2036-7-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2036-6-0x0000000001F30000-0x0000000001F31000-memory.dmp

Filesize
4KB

Download
memory/2036-5-0x0000000001F60000-0x0000000001F61000-memory.dmp

Filesize
4KB

Download
memory/2036-4-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2036-1-0x0000000000330000-0x0000000000390000-memory.dmp

Filesize
384KB

Download
memory/2036-2-0x0000000000400000-0x0000000000508000-memory.dmp

Filesize
1.0MB

Download
memory/2036-0-0x0000000000400000-0x0000000000508000-memory.dmp

Filesize
1.0MB

Download
memory/2036-14-0x00000000039A0000-0x0000000003AA8000-memory.dmp

Filesize
1.0MB

Download
memory/2036-17-0x0000000000400000-0x0000000000508000-memory.dmp

Filesize
1.0MB

Download
memory/2192-16-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2192-19-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2192-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2192-26-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2192-20-0x0000000000400000-0x0000000000508000-memory.dmp

Filesize
1.0MB

Download
memory/2356-23-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2356-21-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads