xtremerat | 5b2b23440674e273386abdc71803d79e827eb6ddf36e38d58db308a9f5bd2f5d

General

Target

efd3c98ae9d23b749bf68949e3377925_JaffaCakes118.exe
Size

93KB
MD5

efd3c98ae9d23b749bf68949e3377925
SHA1

beec6c3f64a4e1dae89347472d6a681b18f329cb
SHA256

5b2b23440674e273386abdc71803d79e827eb6ddf36e38d58db308a9f5bd2f5d
SHA512

ad8e470609135d4631923593cc83179394ba199223abe4d85b6edebdc8b841a63edde1a69e0ad4461c5c1ce3e80a270abfd03c159f57e254f859f050bf2c7312
SSDEEP

1536:RIeKSYbzMiYkaPbiAfKhH8PIr0JhZszwX4uU/5FQWSbEkhaL1jzVaOi01kLjfO:RIetYbzDuPbiAaH8QehZskY5uLbEj1k2

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

esam2at.no-ip.biz

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/1188-0-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/1188-1-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/1188-2-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/1188-3-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/2588-4-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/1188-5-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/2588-6-0x0000000010000000-0x0000000010047000-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 700 set thread context of 1188	700	efd3c98ae9d23b749bf68949e3377925_JaffaCakes118.exe	83

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
2104	2588	WerFault.exe	84
3972	2588	WerFault.exe	84

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	efd3c98ae9d23b749bf68949e3377925_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	efd3c98ae9d23b749bf68949e3377925_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 700 wrote to memory of 1188	700	efd3c98ae9d23b749bf68949e3377925_JaffaCakes118.exe	83
PID 700 wrote to memory of 1188	700	efd3c98ae9d23b749bf68949e3377925_JaffaCakes118.exe	83
PID 700 wrote to memory of 1188	700	efd3c98ae9d23b749bf68949e3377925_JaffaCakes118.exe	83
PID 700 wrote to memory of 1188	700	efd3c98ae9d23b749bf68949e3377925_JaffaCakes118.exe	83
PID 700 wrote to memory of 1188	700	efd3c98ae9d23b749bf68949e3377925_JaffaCakes118.exe	83
PID 1188 wrote to memory of 2588	1188	efd3c98ae9d23b749bf68949e3377925_JaffaCakes118.exe	84
PID 1188 wrote to memory of 2588	1188	efd3c98ae9d23b749bf68949e3377925_JaffaCakes118.exe	84
PID 1188 wrote to memory of 2588	1188	efd3c98ae9d23b749bf68949e3377925_JaffaCakes118.exe	84
PID 1188 wrote to memory of 2588	1188	efd3c98ae9d23b749bf68949e3377925_JaffaCakes118.exe	84
PID 1188 wrote to memory of 4560	1188	efd3c98ae9d23b749bf68949e3377925_JaffaCakes118.exe	85
PID 1188 wrote to memory of 4560	1188	efd3c98ae9d23b749bf68949e3377925_JaffaCakes118.exe	85
PID 1188 wrote to memory of 4560	1188	efd3c98ae9d23b749bf68949e3377925_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\efd3c98ae9d23b749bf68949e3377925_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\efd3c98ae9d23b749bf68949e3377925_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:700
- C:\Users\Admin\AppData\Local\Temp\efd3c98ae9d23b749bf68949e3377925_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\efd3c98ae9d23b749bf68949e3377925_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1188
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2588
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2588 -s 480
      4⤵
      Program crash
      PID:2104
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2588 -s 500
      4⤵
      Program crash
      PID:3972
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2588 -ip 2588
1⤵
PID:5088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2588 -ip 2588
1⤵
PID:2216

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/1188-0-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/1188-1-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/1188-2-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/1188-3-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/1188-5-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2588-4-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2588-6-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

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