xtremerat | 56eff4bcffa80ac72c014970609694a71fcb0d5451c3350442a884c4cb7458a5

General

Target

a721b97e2ec292968c23141171ed8439_JaffaCakes118.exe
Size

45KB
MD5

a721b97e2ec292968c23141171ed8439
SHA1

f78cbfd857d50de96d1133eb78ef0fe57f257c3f
SHA256

56eff4bcffa80ac72c014970609694a71fcb0d5451c3350442a884c4cb7458a5
SHA512

2dff75805dfd01651b272ef81cf10f2860a1f624c57dfb9327dcedbd46ee0a3ea330ee39f916454e9df40dc97b0188a76fea2f05ed0fb67e1afb5392c6568e87
SSDEEP

768:PBr+tjFY90iY6W1jwmDzKgEFQXaklMIAn0tYCpPZzoiH:ZyRh31jxPEFQXak+05poiH

Score

10^/10

xtremerat persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2196-5-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2020-6-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2196-8-0x0000000000C80000-0x0000000000C93000-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

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

a721b97e2ec292968c23141171ed8439_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	a721b97e2ec292968c23141171ed8439_JaffaCakes118.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"	a721b97e2ec292968c23141171ed8439_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

a721b97e2ec292968c23141171ed8439_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	a721b97e2ec292968c23141171ed8439_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	a721b97e2ec292968c23141171ed8439_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

Processes:

a721b97e2ec292968c23141171ed8439_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\InstallDir\Server.exe	a721b97e2ec292968c23141171ed8439_JaffaCakes118.exe
File created	C:\Windows\InstallDir\Server.exe	a721b97e2ec292968c23141171ed8439_JaffaCakes118.exe

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

System Information Discovery
T1082
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

explorer.exe

pid process

2196 explorer.exe

pid	process
2196	explorer.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

a721b97e2ec292968c23141171ed8439_JaffaCakes118.exe

description	pid	process	target process
PID 2020 wrote to memory of 2168	2020	a721b97e2ec292968c23141171ed8439_JaffaCakes118.exe	iexplore.exe
PID 2020 wrote to memory of 2168	2020	a721b97e2ec292968c23141171ed8439_JaffaCakes118.exe	iexplore.exe
PID 2020 wrote to memory of 2168	2020	a721b97e2ec292968c23141171ed8439_JaffaCakes118.exe	iexplore.exe
PID 2020 wrote to memory of 2168	2020	a721b97e2ec292968c23141171ed8439_JaffaCakes118.exe	iexplore.exe
PID 2020 wrote to memory of 2196	2020	a721b97e2ec292968c23141171ed8439_JaffaCakes118.exe	explorer.exe
PID 2020 wrote to memory of 2196	2020	a721b97e2ec292968c23141171ed8439_JaffaCakes118.exe	explorer.exe
PID 2020 wrote to memory of 2196	2020	a721b97e2ec292968c23141171ed8439_JaffaCakes118.exe	explorer.exe
PID 2020 wrote to memory of 2196	2020	a721b97e2ec292968c23141171ed8439_JaffaCakes118.exe	explorer.exe
PID 2020 wrote to memory of 2196	2020	a721b97e2ec292968c23141171ed8439_JaffaCakes118.exe	explorer.exe

C:\Users\Admin\AppData\Local\Temp\a721b97e2ec292968c23141171ed8439_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a721b97e2ec292968c23141171ed8439_JaffaCakes118.exe"
1⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  PID:2168
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2020-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2196-5-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2196-3-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2196-8-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads