xtremerat | 347d084d05607b4b0fd23c05514bad962bb2a463be40c6a159c2d898db51b471

General

Target

JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe
Size

181KB
MD5

5e759ffa0eaf6d803a2bcfb96333fa05
SHA1

98364870880c8a2949fb0ebf9b5657656f06f50f
SHA256

347d084d05607b4b0fd23c05514bad962bb2a463be40c6a159c2d898db51b471
SHA512

a1b5d78cb2ce5ec0fc44e41a8ac6e4d8f3d5d8f2bebb976ef38d33c3d63aa90d685a43432a2ebc5a7bf3889864fba1805145c34c7f79f2f04deb6c386af8369a
SSDEEP

3072:rgsC9mEklhJM6/0RwaD0Zlo5XfexDruXHnHeqn0dViqu3C5rpEnJC/Qce:o9mMc0rDNXfA+HpGViqJ2Ae

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

amersec.no-ip.info

amersoft.dnsdojo.com

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/4488-2-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4488-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4488-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4488-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2448-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4488-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2448-8-0x0000000010000000-0x000000001004A000-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 4264 set thread context of 4488	4264	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.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
1448	2448	WerFault.exe	84
4512	2448	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4264 wrote to memory of 4488	4264	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe	82
PID 4264 wrote to memory of 4488	4264	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe	82
PID 4264 wrote to memory of 4488	4264	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe	82
PID 4264 wrote to memory of 4488	4264	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe	82
PID 4264 wrote to memory of 4488	4264	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe	82
PID 4264 wrote to memory of 4488	4264	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe	82
PID 4264 wrote to memory of 4488	4264	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe	82
PID 4264 wrote to memory of 4488	4264	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe	82
PID 4264 wrote to memory of 4488	4264	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe	82
PID 4264 wrote to memory of 4488	4264	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe	82
PID 4264 wrote to memory of 4488	4264	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe	82
PID 4264 wrote to memory of 4488	4264	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe	82
PID 4264 wrote to memory of 4488	4264	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe	82
PID 4488 wrote to memory of 2448	4488	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe	84
PID 4488 wrote to memory of 2448	4488	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe	84
PID 4488 wrote to memory of 2448	4488	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe	84
PID 4488 wrote to memory of 2448	4488	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe	84
PID 4488 wrote to memory of 4224	4488	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe	86
PID 4488 wrote to memory of 4224	4488	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe	86
PID 4488 wrote to memory of 4224	4488	JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4264
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5e759ffa0eaf6d803a2bcfb96333fa05.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4488
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2448
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 480
      4⤵
      Program crash
      PID:1448
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 488
      4⤵
      Program crash
      PID:4512
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2448 -ip 2448
1⤵
PID:1008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2448 -ip 2448
1⤵
PID:1364

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/2448-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2448-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4264-1-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download
memory/4264-0-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download
memory/4488-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4488-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4488-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4488-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4488-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

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