xtremerat | ba1fd444c412ae02cce7d8b24e98123fe9f602c16a782b6abdee618132d0ae01

General

Target

JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe
Size

260KB
MD5

19c6137aa628f7609a4872806b56d8d3
SHA1

33894ab48b82e08944b40d4a283d86ad518a2075
SHA256

ba1fd444c412ae02cce7d8b24e98123fe9f602c16a782b6abdee618132d0ae01
SHA512

f297c5d9ba3c9c791755ed5c2efecf119bd4935d74a472aeb81951ca36bd2898e176b007723e53dd33aa08ee85a2948bd24b49d183719f6f9b542d980cc87ec4
SSDEEP

3072:ydFZqXvnQfnWONHaXLb4zY230aL8Inluf/YpFtpmm+z5/r2pDhyCsSLQjfhZPiFY:V4kSY29iOMLYUeA9hBRS6VOKXMh2H

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

hacked1.no-ip.biz

䖹ᙑ䟚hacked1.no-ip.biz

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral2/memory/2200-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2200-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3952-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4556-10-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2200-11-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3952-12-0x0000000010000000-0x000000001004A000-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 2128 set thread context of 2200	2128	JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe	83

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2200-4-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/2200-6-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/2200-7-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/2200-8-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/3952-9-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/4556-10-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/2200-11-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral2/memory/3952-12-0x0000000010000000-0x000000001004A000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3536	3952	WerFault.exe	84
3028	4556	WerFault.exe	85
2704	3952	WerFault.exe	84
2376	4556	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 4 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_19c6137aa628f7609a4872806b56d8d3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	calc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2128	JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2200	2128	JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe	83
PID 2128 wrote to memory of 2200	2128	JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe	83
PID 2128 wrote to memory of 2200	2128	JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe	83
PID 2128 wrote to memory of 2200	2128	JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe	83
PID 2128 wrote to memory of 2200	2128	JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe	83
PID 2128 wrote to memory of 2200	2128	JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe	83
PID 2128 wrote to memory of 2200	2128	JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe	83
PID 2128 wrote to memory of 2200	2128	JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe	83
PID 2200 wrote to memory of 3952	2200	JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe	84
PID 2200 wrote to memory of 3952	2200	JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe	84
PID 2200 wrote to memory of 3952	2200	JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe	84
PID 2200 wrote to memory of 3952	2200	JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe	84
PID 2200 wrote to memory of 4556	2200	JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe	85
PID 2200 wrote to memory of 4556	2200	JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe	85
PID 2200 wrote to memory of 4556	2200	JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe	85
PID 2200 wrote to memory of 4556	2200	JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19c6137aa628f7609a4872806b56d8d3.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2200
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3952
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3952 -s 448
      4⤵
      Program crash
      PID:3536
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3952 -s 488
      4⤵
      Program crash
      PID:2704
- - C:\Windows\SysWOW64\calc.exe
    calc.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4556
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4556 -s 468
      4⤵
      Program crash
      PID:3028
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4556 -s 476
      4⤵
      Program crash
      PID:2376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3952 -ip 3952
1⤵
PID:1408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4556 -ip 4556
1⤵
PID:3016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3952 -ip 3952
1⤵
PID:3400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4556 -ip 4556
1⤵
PID:1332

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/2200-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2200-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2200-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2200-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2200-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3952-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3952-12-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4556-10-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

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