xtremerat | 333a7ae0a53833e8c6a300b13e2aa22da804cd9eda231a2695d45c53c45eef4c

General

Target

JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe
Size

553KB
MD5

1089d97c1bb4af5faba0824b4229680a
SHA1

992be1b85bfd99e71e13e6d8e43e159bf24dda20
SHA256

333a7ae0a53833e8c6a300b13e2aa22da804cd9eda231a2695d45c53c45eef4c
SHA512

64dd92abaf75ee64b942485cc7852f6b1b6bdc815844c9cebb3b4ed594b1ca1a9b512a329ee39171fc805e827ff6b7e8a366712d8640b3b79343f0d84b5f4f24
SSDEEP

12288:V3wL2VrY1yoteRLQqda8V02gU1g7ltxZYO3ncvnl:s7/4LSfxZYOXCl

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

franco1.no-ip.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/1408-25-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/64-29-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/64-30-0x0000000010000000-0x000000001004D000-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 3236 set thread context of 1408	3236	JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe	82

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1408-21-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1408-24-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1408-25-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/64-29-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/64-30-0x0000000010000000-0x000000001004D000-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
664	64	WerFault.exe	83
2736	64	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	JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3236	JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe
3236	JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe
3236	JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3236 wrote to memory of 1408	3236	JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe	82
PID 3236 wrote to memory of 1408	3236	JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe	82
PID 3236 wrote to memory of 1408	3236	JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe	82
PID 3236 wrote to memory of 1408	3236	JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe	82
PID 3236 wrote to memory of 1408	3236	JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe	82
PID 3236 wrote to memory of 1408	3236	JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe	82
PID 3236 wrote to memory of 1408	3236	JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe	82
PID 3236 wrote to memory of 1408	3236	JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe	82
PID 1408 wrote to memory of 64	1408	JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe	83
PID 1408 wrote to memory of 64	1408	JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe	83
PID 1408 wrote to memory of 64	1408	JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe	83
PID 1408 wrote to memory of 64	1408	JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe	83
PID 1408 wrote to memory of 756	1408	JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe	84
PID 1408 wrote to memory of 756	1408	JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe	84
PID 1408 wrote to memory of 756	1408	JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3236
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1089d97c1bb4af5faba0824b4229680a.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1408
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:64
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 64 -s 480
      4⤵
      Program crash
      PID:664
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 64 -s 504
      4⤵
      Program crash
      PID:2736
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 64 -ip 64
1⤵
PID:1144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 64 -ip 64
1⤵
PID:3056

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

C:\ProgramData\jI82l\PCGWIN32.LI5

Filesize
2KB

MD5
c0c6012b33092924bcdd900da473cb3c

SHA1
e7b56bb10f8a322382f519dec5707b03b503ebaf

SHA256
5d1a9ccaf73f000892eb5fe468ebd32e1aec2547f215aa5fcd7a98e3e8508acf

SHA512
31a793ab42078cbb1a582bd3432147f30d20f29caacaa864a3fe3c8da505439c320bbbc1c7e3c93e699533b6cea3184416147ef4ef6a640eb20697d06e4cd5f5

Download Submit
memory/64-30-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/64-29-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1408-21-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1408-25-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1408-24-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3236-12-0x0000000000400000-0x0000000000595000-memory.dmp

Filesize
1.6MB

Download
memory/3236-18-0x0000000000400000-0x0000000000595000-memory.dmp

Filesize
1.6MB

Download
memory/3236-16-0x0000000000400000-0x0000000000595000-memory.dmp

Filesize
1.6MB

Download
memory/3236-15-0x0000000000401000-0x0000000000417000-memory.dmp

Filesize
88KB

Download
memory/3236-0-0x0000000000400000-0x0000000000595000-memory.dmp

Filesize
1.6MB

Download
memory/3236-28-0x0000000000400000-0x0000000000595000-memory.dmp

Filesize
1.6MB

Download
memory/3236-27-0x0000000000401000-0x0000000000417000-memory.dmp

Filesize
88KB

Download
memory/3236-23-0x0000000000400000-0x0000000000595000-memory.dmp

Filesize
1.6MB

Download
memory/3236-20-0x0000000000400000-0x0000000000595000-memory.dmp

Filesize
1.6MB

Download
memory/3236-14-0x0000000000400000-0x0000000000595000-memory.dmp

Filesize
1.6MB

Download
memory/3236-13-0x0000000000400000-0x0000000000595000-memory.dmp

Filesize
1.6MB

Download

Analysis

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