xtremerat | 68f21aca4c1cc217c49e20b1e42a8d5101e2b48737bcd9229ea4e25539724de8

General

Target

JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe
Size

79KB
MD5

170320a37ff1e869777b2cf6474c6e08
SHA1

b8612e2e0314a034d08f4b38b55c213ff9209d7c
SHA256

68f21aca4c1cc217c49e20b1e42a8d5101e2b48737bcd9229ea4e25539724de8
SHA512

f5ab1de672f8dbfcfddc646b7c338c2b561558444dc878ad8fe4125be99ff244596e93d733ad2d38681875b3583d11912055a9ca486d94fc8718b931de1d7934
SSDEEP

1536:5NGcqZYlSLhe5GDe6JU85n5p+bvVnFEDGPF1HEz6lLYpyqP1uuKrypk0vJ+O:LbuYlS1e5IlJ55TAVnaDGPJRqP1i4rf

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

alssm.no-ip.biz

Signatures

Detect XtremeRAT payload 11 IoCs

resource	yara_rule
behavioral2/memory/2468-3-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2468-4-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2468-7-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2468-8-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/5044-9-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/964-10-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2468-11-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/5044-14-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/964-16-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/964-15-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/964-17-0x0000000010000000-0x0000000010048000-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\{CU334543-G22A-5ID0-EH0C-45EWE378HT48}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{CU334543-G22A-5ID0-EH0C-45EWE378HT48}\StubPath = "C:\\Windows\\system32\\windiwsubdata\\windows updata.exe restart"	explorer.exe

Deletes itself 1 IoCs

pid	Process
964	explorer.exe

Adds Run key to start application 2 TTPs 3 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\updata = "C:\\Windows\\system32\\windiwsubdata\\windows updata.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\updatawindows xp = "C:\\Windows\\system32\\windiwsubdata\\windows updata.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "%updata%"	explorer.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\windiwsubdata\windows updata.exe	explorer.exe
File created	C:\Windows\SysWOW64\windiwsubdata\windows updata.exe	explorer.exe
File opened for modification	C:\Windows\SysWOW64\windiwsubdata\	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3180 set thread context of 2468	3180	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe	83

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4680	5044	WerFault.exe	84
320	5044	WerFault.exe	84

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	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3180	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe
964	explorer.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3180 wrote to memory of 2468	3180	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe	83
PID 3180 wrote to memory of 2468	3180	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe	83
PID 3180 wrote to memory of 2468	3180	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe	83
PID 3180 wrote to memory of 2468	3180	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe	83
PID 3180 wrote to memory of 2468	3180	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe	83
PID 3180 wrote to memory of 2468	3180	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe	83
PID 3180 wrote to memory of 2468	3180	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe	83
PID 3180 wrote to memory of 2468	3180	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe	83
PID 3180 wrote to memory of 2468	3180	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe	83
PID 3180 wrote to memory of 2468	3180	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe	83
PID 3180 wrote to memory of 2468	3180	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe	83
PID 3180 wrote to memory of 2468	3180	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe	83
PID 3180 wrote to memory of 2468	3180	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe	83
PID 2468 wrote to memory of 5044	2468	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe	84
PID 2468 wrote to memory of 5044	2468	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe	84
PID 2468 wrote to memory of 5044	2468	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe	84
PID 2468 wrote to memory of 5044	2468	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe	84
PID 2468 wrote to memory of 964	2468	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe	85
PID 2468 wrote to memory of 964	2468	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe	85
PID 2468 wrote to memory of 964	2468	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe	85
PID 2468 wrote to memory of 964	2468	JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3180
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_170320a37ff1e869777b2cf6474c6e08.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2468
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5044
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 480
      4⤵
      Program crash
      PID:4680
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 488
      4⤵
      Program crash
      PID:320
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Deletes itself
    - Adds Run key to start application
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 5044 -ip 5044
1⤵
PID:1056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 5044 -ip 5044
1⤵
PID:3672

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/964-15-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/964-10-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/964-17-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/964-16-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2468-3-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2468-4-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2468-7-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2468-8-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2468-11-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3180-6-0x0000000000400000-0x000000000049B000-memory.dmp

Filesize
620KB

Download
memory/3180-0-0x0000000000400000-0x000000000049B000-memory.dmp

Filesize
620KB

Download
memory/5044-9-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/5044-14-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads