xtremerat | 7fbfa39b78add7cc01bd28fffb98f5ba18cbc428e2f75a95caf2d6577e945029

General

Target

5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe
Size

70KB
MD5

5ce182d2ef3be3aee621362e88b90cf6
SHA1

c40cd054aca56a807004b0cfee24fa90200c0d0d
SHA256

7fbfa39b78add7cc01bd28fffb98f5ba18cbc428e2f75a95caf2d6577e945029
SHA512

dfae11036a40e36f372eb097eb3798f11e09b28bc45d41056d9eeb9fa97ec6dcb59de52e5d9ab5585d60cfccfbdc0d3da6acc6d306da01f53df77f95b170572d
SSDEEP

1536:jEoPFC7UkWipZb1OYCGJcGLvXlo342gKmEEbGoa:xUIk/POvGJbo34TKqM

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

mnnww.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/1672-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1672-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3132-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1672-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3132-11-0x0000000010000000-0x000000001004D000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3392 set thread context of 1672	3392	5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe	84

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3392-0-0x0000000000400000-0x0000000000437000-memory.dmp	upx
behavioral2/memory/1672-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1672-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3392-6-0x0000000000400000-0x0000000000437000-memory.dmp	upx
behavioral2/memory/1672-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1672-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3132-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1672-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3132-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2516	3132	WerFault.exe	85
4700	3132	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 3 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	5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3392	5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3392 wrote to memory of 1672	3392	5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe	84
PID 3392 wrote to memory of 1672	3392	5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe	84
PID 3392 wrote to memory of 1672	3392	5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe	84
PID 3392 wrote to memory of 1672	3392	5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe	84
PID 3392 wrote to memory of 1672	3392	5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe	84
PID 3392 wrote to memory of 1672	3392	5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe	84
PID 3392 wrote to memory of 1672	3392	5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe	84
PID 3392 wrote to memory of 1672	3392	5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe	84
PID 1672 wrote to memory of 3132	1672	5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe	85
PID 1672 wrote to memory of 3132	1672	5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe	85
PID 1672 wrote to memory of 3132	1672	5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe	85
PID 1672 wrote to memory of 3132	1672	5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe	85
PID 1672 wrote to memory of 2552	1672	5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe	87
PID 1672 wrote to memory of 2552	1672	5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe	87
PID 1672 wrote to memory of 2552	1672	5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3392
- C:\Users\Admin\AppData\Local\Temp\5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\5ce182d2ef3be3aee621362e88b90cf6_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1672
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3132
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3132 -s 492
      4⤵
      Program crash
      PID:2516
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3132 -s 500
      4⤵
      Program crash
      PID:4700
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:2552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3132 -ip 3132
1⤵
PID:4084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3132 -ip 3132
1⤵
PID:3676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/1672-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1672-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1672-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1672-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1672-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3132-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3132-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3392-0-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3392-6-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download

Analysis

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