xtremerat | b1a063a92528c192400d9a031b295acca8f5773a10c7663655d4e779c30b2659

General

Target

JaffaCakes118_63cfe5bb2399a9a09bceb05cd93761e0.exe
Size

95KB
MD5

63cfe5bb2399a9a09bceb05cd93761e0
SHA1

c1bbf1cc74d026f92e3bf4d77fb2432a67434620
SHA256

b1a063a92528c192400d9a031b295acca8f5773a10c7663655d4e779c30b2659
SHA512

1e4fa9a575372a200403dfd47c161da491232c02a0b3550343542b392314dff94befdfb58e250972af92c5e89fe3e2f612bbbb536c78b3bde66b165ffa394400
SSDEEP

1536:i9PB8bUVQ3WZX9xwcwLSbM9VvfHzhe3xnmSfAQTUZdoO3ZjE:i9PB8bU2Csc+2M9BLhe3ZAQwLoO3Zj

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

stanko.no-ip.biz

Signatures

Detect XtremeRAT payload 8 IoCs

resource	yara_rule
behavioral2/memory/2248-1-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2248-2-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2248-3-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/324-4-0x0000000000400000-0x0000000000421000-memory.dmp	family_xtremerat
behavioral2/memory/2248-5-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4248-6-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2248-7-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4248-8-0x0000000010000000-0x0000000010048000-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 324 set thread context of 2248	324	JaffaCakes118_63cfe5bb2399a9a09bceb05cd93761e0.exe	82

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
4184	4248	WerFault.exe	83
1728	4248	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_63cfe5bb2399a9a09bceb05cd93761e0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_63cfe5bb2399a9a09bceb05cd93761e0.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 324 wrote to memory of 2248	324	JaffaCakes118_63cfe5bb2399a9a09bceb05cd93761e0.exe	82
PID 324 wrote to memory of 2248	324	JaffaCakes118_63cfe5bb2399a9a09bceb05cd93761e0.exe	82
PID 324 wrote to memory of 2248	324	JaffaCakes118_63cfe5bb2399a9a09bceb05cd93761e0.exe	82
PID 324 wrote to memory of 2248	324	JaffaCakes118_63cfe5bb2399a9a09bceb05cd93761e0.exe	82
PID 324 wrote to memory of 2248	324	JaffaCakes118_63cfe5bb2399a9a09bceb05cd93761e0.exe	82
PID 2248 wrote to memory of 4248	2248	JaffaCakes118_63cfe5bb2399a9a09bceb05cd93761e0.exe	83
PID 2248 wrote to memory of 4248	2248	JaffaCakes118_63cfe5bb2399a9a09bceb05cd93761e0.exe	83
PID 2248 wrote to memory of 4248	2248	JaffaCakes118_63cfe5bb2399a9a09bceb05cd93761e0.exe	83
PID 2248 wrote to memory of 4248	2248	JaffaCakes118_63cfe5bb2399a9a09bceb05cd93761e0.exe	83
PID 2248 wrote to memory of 3976	2248	JaffaCakes118_63cfe5bb2399a9a09bceb05cd93761e0.exe	84
PID 2248 wrote to memory of 3976	2248	JaffaCakes118_63cfe5bb2399a9a09bceb05cd93761e0.exe	84
PID 2248 wrote to memory of 3976	2248	JaffaCakes118_63cfe5bb2399a9a09bceb05cd93761e0.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63cfe5bb2399a9a09bceb05cd93761e0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63cfe5bb2399a9a09bceb05cd93761e0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:324
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63cfe5bb2399a9a09bceb05cd93761e0.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63cfe5bb2399a9a09bceb05cd93761e0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2248
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4248
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4248 -s 480
      4⤵
      Program crash
      PID:4184
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4248 -s 500
      4⤵
      Program crash
      PID:1728
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 4248 -ip 4248
1⤵
PID:4340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4248 -ip 4248
1⤵
PID:3616

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/324-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/324-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2248-1-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2248-2-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2248-3-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2248-5-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2248-7-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4248-6-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4248-8-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download

Analysis

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