xtremerat | 13e911897980468e46023d4ffe0b63328e9c178204bf62c8db379ba0b2412075

General

Target

JaffaCakes118_b576012606e333adc7a4be80a9a7497d.exe
Size

85KB
MD5

b576012606e333adc7a4be80a9a7497d
SHA1

e36d0a3766ed60d5c1cdebfc61d5afcf0a9c5870
SHA256

13e911897980468e46023d4ffe0b63328e9c178204bf62c8db379ba0b2412075
SHA512

78c89a21cb817946bef61a87bdaf328bd62a9e313a21b46612b5274ebe4cfcf628f0a747113e8c05ef98311110d0df8617dd2b0e94b31d3d0a883cac7307737c
SSDEEP

1536:Fat+9WiffOKWXO9dGigfIemdSWMXzbqj5l7zbOQCzqYwUdrM8yp4TJj:FaI0i3OKWXO9YMesSWOu1l7nOFqLUdLR

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

esam2at.no-ip.biz

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral1/memory/2416-3-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/memory/2416-4-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/memory/2416-2-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/memory/968-6-0x0000000000400000-0x000000000041D000-memory.dmp	family_xtremerat
behavioral1/memory/5688-7-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/memory/5688-8-0x0000000010000000-0x0000000010047000-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 968 set thread context of 2416	968	JaffaCakes118_b576012606e333adc7a4be80a9a7497d.exe	87

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
212	5688	WerFault.exe	89
4648	5688	WerFault.exe	89

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	JaffaCakes118_b576012606e333adc7a4be80a9a7497d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b576012606e333adc7a4be80a9a7497d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 968 wrote to memory of 2416	968	JaffaCakes118_b576012606e333adc7a4be80a9a7497d.exe	87
PID 968 wrote to memory of 2416	968	JaffaCakes118_b576012606e333adc7a4be80a9a7497d.exe	87
PID 968 wrote to memory of 2416	968	JaffaCakes118_b576012606e333adc7a4be80a9a7497d.exe	87
PID 968 wrote to memory of 2416	968	JaffaCakes118_b576012606e333adc7a4be80a9a7497d.exe	87
PID 968 wrote to memory of 2416	968	JaffaCakes118_b576012606e333adc7a4be80a9a7497d.exe	87
PID 2416 wrote to memory of 5688	2416	JaffaCakes118_b576012606e333adc7a4be80a9a7497d.exe	89
PID 2416 wrote to memory of 5688	2416	JaffaCakes118_b576012606e333adc7a4be80a9a7497d.exe	89
PID 2416 wrote to memory of 5688	2416	JaffaCakes118_b576012606e333adc7a4be80a9a7497d.exe	89
PID 2416 wrote to memory of 5688	2416	JaffaCakes118_b576012606e333adc7a4be80a9a7497d.exe	89
PID 2416 wrote to memory of 5004	2416	JaffaCakes118_b576012606e333adc7a4be80a9a7497d.exe	90
PID 2416 wrote to memory of 5004	2416	JaffaCakes118_b576012606e333adc7a4be80a9a7497d.exe	90
PID 2416 wrote to memory of 5004	2416	JaffaCakes118_b576012606e333adc7a4be80a9a7497d.exe	90

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b576012606e333adc7a4be80a9a7497d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b576012606e333adc7a4be80a9a7497d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:968
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b576012606e333adc7a4be80a9a7497d.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b576012606e333adc7a4be80a9a7497d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2416
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5688
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5688 -s 480
      4⤵
      Program crash
      PID:212
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5688 -s 488
      4⤵
      Program crash
      PID:4648
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:5004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 5688 -ip 5688
1⤵
PID:3216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 5688 -ip 5688
1⤵
PID:856

Network

MITRE ATT&CK Enterprise v16

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/968-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/968-1-0x0000000000409000-0x000000000040A000-memory.dmp

Filesize
4KB

Download
memory/968-6-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2416-3-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2416-4-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2416-2-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/5688-7-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/5688-8-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

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