xtremerat | c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071

General

Target

JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.exe
Size

971KB
MD5

f47c9b8d2c51230830d4575ad4647237
SHA1

99b6ce244240ed1996b9e63d072f9379350ba049
SHA256

c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071
SHA512

cf88181f05f7d20b6e480c23e47b20df8b4c4ac733aa3c62c46a73cc734bdf7258b43d175d1cd13302aadf4d9a72988fa6bb1d06d279445ddacc770dac3a4370
SSDEEP

12288:eaWzgMg7v3qnCiMErQohh0F4CCJ8lny/QCIgKKM4YV/Z2Sr:paHMv6Corjqny/QBR1V/Z2u

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral1/memory/2508-10-0x00000000000C0000-0x0000000000108000-memory.dmp	family_xtremerat
behavioral1/memory/2508-14-0x00000000000C0000-0x0000000000108000-memory.dmp	family_xtremerat
behavioral1/memory/2508-15-0x00000000000C0000-0x0000000000108000-memory.dmp	family_xtremerat
behavioral1/memory/2508-13-0x00000000000C0000-0x0000000000108000-memory.dmp	family_xtremerat
behavioral1/memory/2508-17-0x00000000000C0000-0x0000000000108000-memory.dmp	family_xtremerat
behavioral1/memory/2508-18-0x00000000000C0000-0x0000000000108000-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_f47c9b8d2c51230830d4575ad4647237.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Program Files (x86)\\InstallDir\\AZERT.exe restart"	JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.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:\\Program Files (x86)\\InstallDir\\AZERT.exe"	JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Program Files (x86)\\InstallDir\\AZERT.exe"	JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2056 set thread context of 2508	2056	JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.exe	30

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\InstallDir\AZERT.exe	JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.exe
File created	C:\Program Files (x86)\InstallDir\AZERT.exe	JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.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 2 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_f47c9b8d2c51230830d4575ad4647237.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2056	JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.exe
2056	JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.exe
2056	JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2056	JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.exe
2056	JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.exe
2056	JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 2508	2056	JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.exe	30
PID 2056 wrote to memory of 2508	2056	JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.exe	30
PID 2056 wrote to memory of 2508	2056	JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.exe	30
PID 2056 wrote to memory of 2508	2056	JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.exe	30
PID 2056 wrote to memory of 2508	2056	JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.exe	30
PID 2056 wrote to memory of 2508	2056	JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f47c9b8d2c51230830d4575ad4647237.exe"
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  PID:2508

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:\Users\Admin\AppData\Local\Temp\__PE-SCRYPTED.BIN

Filesize
65KB

MD5
380d2eb961261843580bc8e69ce2da30

SHA1
b8990484fd428ee98937abdfd572b1bc8ac5296f

SHA256
def1b2cd0c4f0859dcd684a7ac1fba32b190006311428812fa953c210d74928a

SHA512
b12ab84ea05f0f28946701adb3f0404d02986e7e8d726b9b30b72b7affabefe6c0a21161eb50a70e8d53c5008bb1cd2bd48159c4ac9c266fc8b02ee65740e540

Download Submit
memory/2508-10-0x00000000000C0000-0x0000000000108000-memory.dmp

Filesize
288KB

Download
memory/2508-14-0x00000000000C0000-0x0000000000108000-memory.dmp

Filesize
288KB

Download
memory/2508-15-0x00000000000C0000-0x0000000000108000-memory.dmp

Filesize
288KB

Download
memory/2508-13-0x00000000000C0000-0x0000000000108000-memory.dmp

Filesize
288KB

Download
memory/2508-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2508-6-0x00000000000C0000-0x0000000000108000-memory.dmp

Filesize
288KB

Download
memory/2508-17-0x00000000000C0000-0x0000000000108000-memory.dmp

Filesize
288KB

Download
memory/2508-18-0x00000000000C0000-0x0000000000108000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads