xtremerat | 179c9e9f7b58b29792d34a9a403101f1369ac229a34116ac640d0716504cbcba

General

Target

JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe
Size

148KB
MD5

781b44726017dfa337a96fdb6cca4d30
SHA1

32acca8ad94af4573a2c11454d1ff68957552203
SHA256

179c9e9f7b58b29792d34a9a403101f1369ac229a34116ac640d0716504cbcba
SHA512

b11e2928e261cf356ed3a193a2a10f6de9648da091206d74bafa3719134df5e79b734c40295d0928f4ab41676a293eadc5278c10f30e62ed42d1d6815488c606
SSDEEP

1536:ApRDaQ4ZEpZ7RHeVzOo0v3/met1c97inhJ6gN9Kw9WDPzmxALokL8QEC3ucIVULk:MRDaQ4ZEF+DijtPnRZ+zaDqecI4mi6z

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

111111q.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/4916-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4916-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/512-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4916-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/512-9-0x0000000010000000-0x000000001004D000-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 380 set thread context of 4916	380	JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe	86

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4916-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4916-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4916-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4916-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/512-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4916-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/512-9-0x0000000010000000-0x000000001004D000-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
2512	512	WerFault.exe	88
4968	512	WerFault.exe	88

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_781b44726017dfa337a96fdb6cca4d30.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
380	JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 380 wrote to memory of 4916	380	JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe	86
PID 380 wrote to memory of 4916	380	JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe	86
PID 380 wrote to memory of 4916	380	JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe	86
PID 380 wrote to memory of 4916	380	JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe	86
PID 380 wrote to memory of 4916	380	JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe	86
PID 380 wrote to memory of 4916	380	JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe	86
PID 380 wrote to memory of 4916	380	JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe	86
PID 380 wrote to memory of 4916	380	JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe	86
PID 4916 wrote to memory of 512	4916	JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe	88
PID 4916 wrote to memory of 512	4916	JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe	88
PID 4916 wrote to memory of 512	4916	JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe	88
PID 4916 wrote to memory of 512	4916	JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe	88
PID 4916 wrote to memory of 1364	4916	JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe	90
PID 4916 wrote to memory of 1364	4916	JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe	90
PID 4916 wrote to memory of 1364	4916	JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe	90

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:380
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_781b44726017dfa337a96fdb6cca4d30.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4916
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:512
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 512 -s 476
      4⤵
      Program crash
      PID:2512
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 512 -s 488
      4⤵
      Program crash
      PID:4968
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:1364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 512 -ip 512
1⤵
PID:3384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 512 -ip 512
1⤵
PID:4116

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/512-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/512-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4916-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4916-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4916-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4916-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4916-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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