xtremerat | 6bf9275615bcc34c931a869ff71fda31fe09451e9a2a1d192ce7ac3168809b73

General

Target

eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe
Size

67KB
MD5

eac3b4316715e648c9a599c3415aecc1
SHA1

27182ba5f3146f3e5b6624f48d538494d4cbcb95
SHA256

6bf9275615bcc34c931a869ff71fda31fe09451e9a2a1d192ce7ac3168809b73
SHA512

83b64f4705451d586088b45003cf81ba2cdf946cb9b7a2c4da3ef06164cd5188baa8565983e3d2d7f8e8727bb13abfe6d7ea56f90370bcb322273d26272408ce
SSDEEP

1536:899NeQEhpoGYtDRTMFT/lUzd3N9Jd7bi0qJs5H9rcw0CJF:89Oc5t9QFT/qB/bihC5H9rcO

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

godfathergos123.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/2084-8-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2084-9-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/744-10-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2084-11-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/744-12-0x0000000010000000-0x0000000010048000-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

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2084-3-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/2084-5-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/2084-8-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/2084-9-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/744-10-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/2084-11-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/744-12-0x0000000010000000-0x0000000010048000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3464 set thread context of 2084	3464	eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe	82

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
3488	744	WerFault.exe	83
2732	744	WerFault.exe	83

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	eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3464	eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3464 wrote to memory of 2084	3464	eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe	82
PID 3464 wrote to memory of 2084	3464	eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe	82
PID 3464 wrote to memory of 2084	3464	eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe	82
PID 3464 wrote to memory of 2084	3464	eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe	82
PID 3464 wrote to memory of 2084	3464	eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe	82
PID 3464 wrote to memory of 2084	3464	eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe	82
PID 3464 wrote to memory of 2084	3464	eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe	82
PID 3464 wrote to memory of 2084	3464	eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe	82
PID 2084 wrote to memory of 744	2084	eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe	83
PID 2084 wrote to memory of 744	2084	eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe	83
PID 2084 wrote to memory of 744	2084	eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe	83
PID 2084 wrote to memory of 744	2084	eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe	83
PID 2084 wrote to memory of 4208	2084	eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe	84
PID 2084 wrote to memory of 4208	2084	eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe	84
PID 2084 wrote to memory of 4208	2084	eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3464
- C:\Users\Admin\AppData\Local\Temp\eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\eac3b4316715e648c9a599c3415aecc1_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2084
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:744
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 744 -s 480
      4⤵
      Program crash
      PID:3488
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 744 -s 504
      4⤵
      Program crash
      PID:2732
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 744 -ip 744
1⤵
PID:2696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 744 -ip 744
1⤵
PID:4124

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/744-10-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/744-12-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2084-3-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2084-5-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2084-8-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2084-9-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2084-11-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3464-0-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3464-7-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download

Analysis

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