xtremerat | 9c49a2223937a6bbc79033f7cb20782ded4a5694d6b096eb35e5742a028eacc1

General

Target

555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe
Size

220KB
MD5

555c25b7e2af2d75ebdab19d83d0e8cf
SHA1

7d9e1c8b1954c78f7f50c214c1a38aff825a17ea
SHA256

9c49a2223937a6bbc79033f7cb20782ded4a5694d6b096eb35e5742a028eacc1
SHA512

383a16bc328f18264a32791b81bccb035d0814f3f17945b64afdc0d59f14087b02ec8c1579a7d3692726b8cd77841f39f03ed9e43d6d1ee225aa836fe345ed41
SSDEEP

6144:86/2XhA3QPCwzUFShv+C+e+GNLBRRArd6905XcA9mV:l/2XigqNFev7+0N1RqkGcGmV

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

yalahwith.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5112-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/5112-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3960-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/5112-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3960-12-0x0000000010000000-0x000000001004D000-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

Suspicious use of SetThreadContext 1 IoCs

Processes:

555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe

description	pid	Process	procid_target
PID 960 set thread context of 5112	960	555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe	86

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/5112-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5112-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5112-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5112-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3960-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5112-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3960-12-0x0000000010000000-0x000000001004D000-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

Processes:

WerFault.exeWerFault.exe

pid	pid_target	Process	procid_target
2052	3960	WerFault.exe	87
4956	3960	WerFault.exe	87

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

Processes:

555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exesvchost.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe

description	pid	Process
Token: SeDebugPrivilege	960	555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe

description	pid	Process	procid_target
PID 960 wrote to memory of 5112	960	555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe	86
PID 960 wrote to memory of 5112	960	555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe	86
PID 960 wrote to memory of 5112	960	555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe	86
PID 960 wrote to memory of 5112	960	555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe	86
PID 960 wrote to memory of 5112	960	555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe	86
PID 960 wrote to memory of 5112	960	555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe	86
PID 960 wrote to memory of 5112	960	555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe	86
PID 960 wrote to memory of 5112	960	555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe	86
PID 5112 wrote to memory of 3960	5112	555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe	87
PID 5112 wrote to memory of 3960	5112	555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe	87
PID 5112 wrote to memory of 3960	5112	555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe	87
PID 5112 wrote to memory of 3960	5112	555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe	87
PID 5112 wrote to memory of 1016	5112	555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe	89
PID 5112 wrote to memory of 1016	5112	555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe	89
PID 5112 wrote to memory of 1016	5112	555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:960
- C:\Users\Admin\AppData\Local\Temp\555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\555c25b7e2af2d75ebdab19d83d0e8cf_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5112
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3960
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3960 -s 480
      4⤵
      Program crash
      PID:2052
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3960 -s 488
      4⤵
      Program crash
      PID:4956
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:1016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3960 -ip 3960
1⤵
PID:112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3960 -ip 3960
1⤵
PID:4412

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

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Downloads

memory/960-0-0x00000000746C2000-0x00000000746C3000-memory.dmp

Filesize
4KB

Download
memory/960-1-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/960-2-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/960-9-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/3960-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3960-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5112-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5112-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5112-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5112-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5112-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads