xtremerat | 86fa4c9bbefb42f29d662202c1ca10130f39d1ecbe5031bdee1f738e23f5a40e

General

Target

374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe
Size

219KB
MD5

374fa850ec0b4f4c425d0544d52f3fcc
SHA1

593de340eb356bf564eff218fc48ff35744a0355
SHA256

86fa4c9bbefb42f29d662202c1ca10130f39d1ecbe5031bdee1f738e23f5a40e
SHA512

079d83b01526762d54ed7ca47a2bb2c93bb6381ef4f4750c5d58fbd07cbfb36ac9775cdc31087930eba1b994f6ed44d372ed0ad617d114c3780b82e92a34bd74
SSDEEP

3072:27ZNI+FjNTjuO8zYkS6P+pmjVItNz/jO71r06JvJiPn29K+55HSk99XJcTphigTJ:2F2MjNWspjmHSk+AF7jmAa

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

rnet.no-ip.org

Signatures

Detect XtremeRAT payload 8 IoCs

resource	yara_rule
behavioral2/memory/768-27-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/768-26-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3808-28-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3732-29-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/768-31-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3732-34-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3808-36-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3732-37-0x0000000010000000-0x000000001004D000-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 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}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\netmeeting\\svchost.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\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Adobe Reader = "C:\\Users\\Admin\\AppData\\Roaming\\netmeeting\\svchost.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\netmeeting\\svchost.exe"	svchost.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\	374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3492 set thread context of 768	3492	374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe	83

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/768-21-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/768-25-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/768-27-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/768-26-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3808-28-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3732-29-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/768-31-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3732-34-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3808-36-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3732-37-0x0000000010000000-0x000000001004D000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 4 IoCs

pid	pid_target	Process	procid_target
2452	3808	WerFault.exe	85
3956	3732	WerFault.exe	87
3212	3808	WerFault.exe	85
1916	3732	WerFault.exe	87

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3492	374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe
3732	svchost.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3492 wrote to memory of 768	3492	374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe	83
PID 3492 wrote to memory of 768	3492	374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe	83
PID 3492 wrote to memory of 768	3492	374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe	83
PID 3492 wrote to memory of 768	3492	374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe	83
PID 3492 wrote to memory of 768	3492	374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe	83
PID 3492 wrote to memory of 768	3492	374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe	83
PID 3492 wrote to memory of 768	3492	374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe	83
PID 3492 wrote to memory of 768	3492	374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe	83
PID 768 wrote to memory of 3808	768	374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe	85
PID 768 wrote to memory of 3808	768	374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe	85
PID 768 wrote to memory of 3808	768	374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe	85
PID 768 wrote to memory of 3808	768	374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe	85
PID 768 wrote to memory of 3732	768	374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe	87
PID 768 wrote to memory of 3732	768	374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe	87
PID 768 wrote to memory of 3732	768	374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe	87
PID 768 wrote to memory of 3732	768	374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3492
- C:\Users\Admin\AppData\Local\Temp\374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\374fa850ec0b4f4c425d0544d52f3fcc_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:768
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3808
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3808 -s 476
      4⤵
      Program crash
      PID:2452
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3808 -s 504
      4⤵
      Program crash
      PID:3212
- - 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
    - Suspicious use of SetWindowsHookEx
    PID:3732
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 968
      4⤵
      Program crash
      PID:3956
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 964
      4⤵
      Program crash
      PID:1916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3808 -ip 3808
1⤵
PID:4476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3732 -ip 3732
1⤵
PID:1608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 3808 -ip 3808
1⤵
PID:3868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3732 -ip 3732
1⤵
PID:3724

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

Replay Monitor

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Downloads

memory/768-21-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/768-31-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/768-26-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/768-27-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/768-25-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3492-14-0x00000000007C0000-0x00000000007D0000-memory.dmp

Filesize
64KB

Download
memory/3492-4-0x0000000000600000-0x0000000000610000-memory.dmp

Filesize
64KB

Download
memory/3492-0-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3492-16-0x00000000025C0000-0x00000000025D0000-memory.dmp

Filesize
64KB

Download
memory/3492-12-0x00000000007A0000-0x00000000007B0000-memory.dmp

Filesize
64KB

Download
memory/3492-11-0x0000000000790000-0x00000000007A0000-memory.dmp

Filesize
64KB

Download
memory/3492-10-0x0000000000770000-0x0000000000780000-memory.dmp

Filesize
64KB

Download
memory/3492-9-0x0000000000760000-0x0000000000770000-memory.dmp

Filesize
64KB

Download
memory/3492-8-0x0000000000750000-0x0000000000760000-memory.dmp

Filesize
64KB

Download
memory/3492-7-0x0000000000740000-0x0000000000750000-memory.dmp

Filesize
64KB

Download
memory/3492-5-0x0000000000720000-0x0000000000730000-memory.dmp

Filesize
64KB

Download
memory/3492-15-0x00000000025B0000-0x00000000025C0000-memory.dmp

Filesize
64KB

Download
memory/3492-3-0x00000000005F0000-0x0000000000600000-memory.dmp

Filesize
64KB

Download
memory/3492-17-0x00000000025D0000-0x00000000025E0000-memory.dmp

Filesize
64KB

Download
memory/3492-24-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3492-13-0x00000000007B0000-0x00000000007C0000-memory.dmp

Filesize
64KB

Download
memory/3492-6-0x0000000000730000-0x0000000000740000-memory.dmp

Filesize
64KB

Download
memory/3492-1-0x00000000005D0000-0x00000000005E0000-memory.dmp

Filesize
64KB

Download
memory/3492-2-0x00000000005E0000-0x00000000005F0000-memory.dmp

Filesize
64KB

Download
memory/3732-29-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3732-34-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3732-37-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3808-28-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3808-36-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads