xtremerat | 903f92fb5fef26f445e76bc0dbfe0a0736d40b7684180f4026f582e7a4b82c71

General

Target

82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe
Size

184KB
MD5

82112946ff41eadffa2950e8b48fbe2d
SHA1

89658d9301a9bcf6e47f769c9f6cc7374d50cf83
SHA256

903f92fb5fef26f445e76bc0dbfe0a0736d40b7684180f4026f582e7a4b82c71
SHA512

6e3e1727e5e1eb6500bf7ce5595f8444bcc1ca9a8138d6c2ef7c625ac2bd55c6cb18dcb60484d64b277d241d163fa2b4e438f9bc6b7c1d3e3dcfaa485c9ec960
SSDEEP

1536:ix8iSxR6rrzUnLVnltSyIth+7UyWoY9pfsZbGK/xE0MDhzzZ6:f6rrza/J7c7LKWTh3A

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

kita2011.zapto.org

搴媐䦐kita2011.dyndns-ip.com

Signatures

Detect XtremeRAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/1160-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1160-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2524-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1976-12-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1160-13-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1976-16-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1976-17-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2524-19-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1976-20-0x0000000010000000-0x000000001004D000-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\{5460C4DF-B266-909E-CB58-E32B79832EB2}	ctfmon.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"	ctfmon.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1976	ctfmon.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1160-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1160-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1160-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1160-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2524-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1976-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1160-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1976-16-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1976-17-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2524-19-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1976-20-0x0000000010000000-0x000000001004D000-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:\\Windows\\InstallDir\\Server.exe"	ctfmon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	ctfmon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1028 set thread context of 1160	1028	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe	30

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\Server.exe	ctfmon.exe
File created	C:\Windows\InstallDir\Server.exe	ctfmon.exe
File opened for modification	C:\Windows\InstallDir\	ctfmon.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 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	ctfmon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1028	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe
1976	ctfmon.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1028 wrote to memory of 1160	1028	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe	30
PID 1028 wrote to memory of 1160	1028	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe	30
PID 1028 wrote to memory of 1160	1028	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe	30
PID 1028 wrote to memory of 1160	1028	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe	30
PID 1028 wrote to memory of 1160	1028	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe	30
PID 1028 wrote to memory of 1160	1028	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe	30
PID 1028 wrote to memory of 1160	1028	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe	30
PID 1028 wrote to memory of 1160	1028	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe	30
PID 1028 wrote to memory of 1160	1028	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe	30
PID 1160 wrote to memory of 2524	1160	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe	31
PID 1160 wrote to memory of 2524	1160	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe	31
PID 1160 wrote to memory of 2524	1160	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe	31
PID 1160 wrote to memory of 2524	1160	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe	31
PID 1160 wrote to memory of 2524	1160	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe	31
PID 1160 wrote to memory of 1976	1160	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe	32
PID 1160 wrote to memory of 1976	1160	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe	32
PID 1160 wrote to memory of 1976	1160	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe	32
PID 1160 wrote to memory of 1976	1160	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe	32
PID 1160 wrote to memory of 1976	1160	82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1028
- C:\Users\Admin\AppData\Local\Temp\82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\82112946ff41eadffa2950e8b48fbe2d_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1160
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:2524
- - C:\Windows\SysWOW64\ctfmon.exe
    ctfmon.exe
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Deletes itself
    - Adds Run key to start application
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:1976

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

C:\Windows\InstallDir\Server.exe

Filesize
184KB

MD5
82112946ff41eadffa2950e8b48fbe2d

SHA1
89658d9301a9bcf6e47f769c9f6cc7374d50cf83

SHA256
903f92fb5fef26f445e76bc0dbfe0a0736d40b7684180f4026f582e7a4b82c71

SHA512
6e3e1727e5e1eb6500bf7ce5595f8444bcc1ca9a8138d6c2ef7c625ac2bd55c6cb18dcb60484d64b277d241d163fa2b4e438f9bc6b7c1d3e3dcfaa485c9ec960

Download Submit
memory/1160-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1160-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1160-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1160-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1160-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1976-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1976-16-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1976-17-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1976-20-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2524-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2524-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2524-19-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads