xtremerat | 7c2d3e0031133aeaa7e61f80c8d4a5f4dcfaca877bf84a1fba9ac0f098a41421

General

Target

436f52d2b849cb1c7c817906f9a10afb_JaffaCakes118.exe
Size

65KB
MD5

436f52d2b849cb1c7c817906f9a10afb
SHA1

964957090043350ee563728dd2e66e4f420042ce
SHA256

7c2d3e0031133aeaa7e61f80c8d4a5f4dcfaca877bf84a1fba9ac0f098a41421
SHA512

109a06995e49ded56e70d0996f50382f9712a6513e3b3ff1caa60f0d1d819acc577d4d16bcd4052f84ce0758dc65481de521921aa6347000292194c73a6c09d5
SSDEEP

768:i8m1Sq4NQErBsH1tzoisBKQI6dObAG/dq8uW29Ifnca/yyR+P2ujfGiZKPA+7Xos:Qsq+QV4rObAdXWpf/y+7ozNwi4oef5

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral1/memory/2884-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2824-2-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2824-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2824-6-0x0000000010000000-0x000000001004A000-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 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\{P6428M5K-Y2CE-P45A-T4R5-6D4VK7Q3537N}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{P6428M5K-Y2CE-P45A-T4R5-6D4VK7Q3537N}\StubPath = "C:\\Windows\\config\\Microsoft.exe restart"	svchost.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:\\Windows\\config\\Microsoft.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\config\\Microsoft.exe"	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\config\Microsoft.exe	svchost.exe
File created	C:\Windows\config\Microsoft.exe	svchost.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	436f52d2b849cb1c7c817906f9a10afb_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 2824	2884	436f52d2b849cb1c7c817906f9a10afb_JaffaCakes118.exe	30
PID 2884 wrote to memory of 2824	2884	436f52d2b849cb1c7c817906f9a10afb_JaffaCakes118.exe	30
PID 2884 wrote to memory of 2824	2884	436f52d2b849cb1c7c817906f9a10afb_JaffaCakes118.exe	30
PID 2884 wrote to memory of 2824	2884	436f52d2b849cb1c7c817906f9a10afb_JaffaCakes118.exe	30
PID 2884 wrote to memory of 2824	2884	436f52d2b849cb1c7c817906f9a10afb_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\436f52d2b849cb1c7c817906f9a10afb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\436f52d2b849cb1c7c817906f9a10afb_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:2824

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

memory/2824-1-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2824-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2824-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2824-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2884-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads