xtremerat | ae5e1d6e162c89379b503ff5549d73902a417cebc8320e46e3719d34a2fd82f2

General

Target

9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe
Size

148KB
MD5

9767fb8bb5a3a05c4413c6f601b4bb09
SHA1

26941cb78c655e3ac088e596a7a7e16ba6a52483
SHA256

ae5e1d6e162c89379b503ff5549d73902a417cebc8320e46e3719d34a2fd82f2
SHA512

b6d0d2ea86ff97d03bf6855ab09fee7f9c5a5d5c615ec655337aed57a263abb20a43300f7cad7608e4b16cc7a269eaaf3b7b7e83a23ea10be4724db674a2fde7
SSDEEP

3072:F81XFCiaOdZm03bPQKh+G7d2GnQRgV/uPGcEMNrzH5cSoicb+JlEF3P+:FiFI+/lQR257iW32

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

sinfully.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/4304-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4304-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3136-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4304-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3136-9-0x0000000010000000-0x000000001004D000-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
Xtremerat family
xtremerat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1124 set thread context of 4304	1124	9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe	82

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4304-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4304-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4304-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4304-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3136-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4304-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3136-9-0x0000000010000000-0x000000001004D000-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
3432	3136	WerFault.exe	83
4920	3136	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	9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1124	9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1124 wrote to memory of 4304	1124	9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe	82
PID 1124 wrote to memory of 4304	1124	9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe	82
PID 1124 wrote to memory of 4304	1124	9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe	82
PID 1124 wrote to memory of 4304	1124	9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe	82
PID 1124 wrote to memory of 4304	1124	9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe	82
PID 1124 wrote to memory of 4304	1124	9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe	82
PID 1124 wrote to memory of 4304	1124	9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe	82
PID 1124 wrote to memory of 4304	1124	9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe	82
PID 4304 wrote to memory of 3136	4304	9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe	83
PID 4304 wrote to memory of 3136	4304	9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe	83
PID 4304 wrote to memory of 3136	4304	9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe	83
PID 4304 wrote to memory of 3136	4304	9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe	83
PID 4304 wrote to memory of 3540	4304	9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe	84
PID 4304 wrote to memory of 3540	4304	9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe	84
PID 4304 wrote to memory of 3540	4304	9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1124
- C:\Users\Admin\AppData\Local\Temp\9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\9767fb8bb5a3a05c4413c6f601b4bb09_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4304
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3136
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 480
      4⤵
      Program crash
      PID:3432
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 488
      4⤵
      Program crash
      PID:4920
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3136 -ip 3136
1⤵
PID:4420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3136 -ip 3136
1⤵
PID:4568

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/3136-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3136-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4304-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4304-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4304-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4304-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4304-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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