xtremerat | 9482c8608688ab0988d0af71d21c539c7e7060360ffdfc1a85f924a9572d59c6

General

Target

JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe
Size

208KB
MD5

6404b78e2727a6ae5b1af018e9b6260a
SHA1

2a6976078baffa24f25a91e44546a3f90255a2c9
SHA256

9482c8608688ab0988d0af71d21c539c7e7060360ffdfc1a85f924a9572d59c6
SHA512

444ba9439b1dbee21c57b51027b7469295d705754b040229b30fe42bbb33430587190debbee3730cb54976ee5bca50b75269506d48def779447b35b23ac11c42
SSDEEP

1536:FX6Kytf8ak7HIYzgoyzRK8A7v+DjZ6Kw0hJUDPaDhPG/3MU+leHdZgFKFhu1z8rn:AKfaknglRl/ZoYWL/9HBS1YrwdC

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

sajenhaker.no-ip.info

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/2052-8-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/2052-7-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/1680-9-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/2052-10-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/1680-11-0x0000000010000000-0x000000001004B000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5088 set thread context of 2052	5088	JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe	85

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2052-3-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/2052-5-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/2052-8-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/2052-7-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/1680-9-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/2052-10-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/1680-11-0x0000000010000000-0x000000001004B000-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
3256	1680	WerFault.exe	86
2020	1680	WerFault.exe	86

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5088	JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 2052	5088	JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe	85
PID 5088 wrote to memory of 2052	5088	JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe	85
PID 5088 wrote to memory of 2052	5088	JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe	85
PID 5088 wrote to memory of 2052	5088	JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe	85
PID 5088 wrote to memory of 2052	5088	JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe	85
PID 5088 wrote to memory of 2052	5088	JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe	85
PID 5088 wrote to memory of 2052	5088	JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe	85
PID 5088 wrote to memory of 2052	5088	JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe	85
PID 2052 wrote to memory of 1680	2052	JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe	86
PID 2052 wrote to memory of 1680	2052	JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe	86
PID 2052 wrote to memory of 1680	2052	JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe	86
PID 2052 wrote to memory of 1680	2052	JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe	86
PID 2052 wrote to memory of 3524	2052	JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe	87
PID 2052 wrote to memory of 3524	2052	JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe	87
PID 2052 wrote to memory of 3524	2052	JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5088
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6404b78e2727a6ae5b1af018e9b6260a.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2052
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1680
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 488
      4⤵
      Program crash
      PID:3256
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 496
      4⤵
      Program crash
      PID:2020
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1680 -ip 1680
1⤵
PID:2484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1680 -ip 1680
1⤵
PID:1744

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/1680-9-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/1680-11-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2052-3-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2052-5-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2052-8-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2052-7-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2052-10-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/5088-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/5088-6-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

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