xtremerat | 48cf228b71401b027a37c253f59c5f837829969bc0f2259a2c2bbe0424d8fce7

General

Target

JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe
Size

425KB
MD5

b11a395e1ceeaf6930411da5b2b04a99
SHA1

07b4a384067279d76a41d606efc3ef3dcdeeb3b3
SHA256

48cf228b71401b027a37c253f59c5f837829969bc0f2259a2c2bbe0424d8fce7
SHA512

ddd9634ffe59fa53be5d49712566a1b198eac4aecdd40dbe4f6ee052283eee958f46cc7014c2724d9dece8d84186b451c61cb172bb656e25961f47546ea3a01e
SSDEEP

12288:AnOpH8rq4A/X5HbLBIkoZVx+lTI2IO6X4Yqm/Q3w:AnOR8rqfpLBIkoZOEm6XPD/Q

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

athmani1119192008.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/2084-4-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2084-5-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2084-6-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2088-8-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2088-9-0x0000000010000000-0x0000000010048000-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 552 set thread context of 2084	552	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.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
3480	2088	WerFault.exe	83
5004	2088	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	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
552	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 2084	552	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe	82
PID 552 wrote to memory of 2084	552	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe	82
PID 552 wrote to memory of 2084	552	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe	82
PID 552 wrote to memory of 2084	552	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe	82
PID 552 wrote to memory of 2084	552	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe	82
PID 552 wrote to memory of 2084	552	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe	82
PID 552 wrote to memory of 2084	552	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe	82
PID 552 wrote to memory of 2084	552	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe	82
PID 552 wrote to memory of 2084	552	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe	82
PID 552 wrote to memory of 2084	552	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe	82
PID 552 wrote to memory of 2084	552	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe	82
PID 552 wrote to memory of 2084	552	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe	82
PID 552 wrote to memory of 2084	552	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe	82
PID 2084 wrote to memory of 2088	2084	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe	83
PID 2084 wrote to memory of 2088	2084	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe	83
PID 2084 wrote to memory of 2088	2084	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe	83
PID 2084 wrote to memory of 2088	2084	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe	83
PID 2084 wrote to memory of 4796	2084	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe	84
PID 2084 wrote to memory of 4796	2084	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe	84
PID 2084 wrote to memory of 4796	2084	JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:552
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b11a395e1ceeaf6930411da5b2b04a99.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2084
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2088
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2088 -s 484
      4⤵
      Program crash
      PID:3480
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2088 -s 480
      4⤵
      Program crash
      PID:5004
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2088 -ip 2088
1⤵
PID:912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2088 -ip 2088
1⤵
PID:2496

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/552-0-0x0000000000400000-0x0000000000506000-memory.dmp

Filesize
1.0MB

Download
memory/552-1-0x0000000000401000-0x00000000004CF000-memory.dmp

Filesize
824KB

Download
memory/552-7-0x0000000000400000-0x0000000000506000-memory.dmp

Filesize
1.0MB

Download
memory/2084-4-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2084-5-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2084-6-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2088-8-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2088-9-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download

Analysis

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