xtremerat | bb6b6dc9e04213abd1dc3f1325621cf42b3f04b44058b1190e8af0265e57d3e6

General

Target

JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe
Size

323KB
MD5

23e1abb5ba4e2c1b23f203b080af42a2
SHA1

505db8d9b5ec0f511285c826df934d36bed7f401
SHA256

bb6b6dc9e04213abd1dc3f1325621cf42b3f04b44058b1190e8af0265e57d3e6
SHA512

e0039f030cd0f1553a6b9b24c8ec2d13e883d9f2c96dba6d7da5a9cf307d28f024396ce52f8e95a8fef33a8402600e3bda724e1033675305d71aa4b9258c24c6
SSDEEP

3072:tYFpijtYA37CFr1Bxw0E0K37+NSHTNWVQ3MhJF8lZfhr4csKL6SrpyVHVDNJ:aFIA1XwRDPRWVQ3+klZfhEcsKL6l

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

yesmoke.no-ip.org

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/3212-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3212-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3212-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3212-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2340-10-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3212-11-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2340-13-0x0000000010000000-0x000000001004A000-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 4480 set thread context of 3212	4480	JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe	88

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
4068	2340	WerFault.exe	89
1592	2340	WerFault.exe	89

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_23e1abb5ba4e2c1b23f203b080af42a2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4480 wrote to memory of 3212	4480	JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe	88
PID 4480 wrote to memory of 3212	4480	JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe	88
PID 4480 wrote to memory of 3212	4480	JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe	88
PID 4480 wrote to memory of 3212	4480	JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe	88
PID 4480 wrote to memory of 3212	4480	JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe	88
PID 4480 wrote to memory of 3212	4480	JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe	88
PID 4480 wrote to memory of 3212	4480	JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe	88
PID 4480 wrote to memory of 3212	4480	JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe	88
PID 4480 wrote to memory of 3212	4480	JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe	88
PID 4480 wrote to memory of 3212	4480	JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe	88
PID 4480 wrote to memory of 3212	4480	JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe	88
PID 4480 wrote to memory of 3212	4480	JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe	88
PID 4480 wrote to memory of 3212	4480	JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe	88
PID 3212 wrote to memory of 2340	3212	JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe	89
PID 3212 wrote to memory of 2340	3212	JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe	89
PID 3212 wrote to memory of 2340	3212	JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe	89
PID 3212 wrote to memory of 2340	3212	JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe	89
PID 3212 wrote to memory of 4472	3212	JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe	90
PID 3212 wrote to memory of 4472	3212	JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe	90
PID 3212 wrote to memory of 4472	3212	JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe	90

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4480
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e1abb5ba4e2c1b23f203b080af42a2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3212
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2340
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 484
      4⤵
      Program crash
      PID:4068
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 492
      4⤵
      Program crash
      PID:1592
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2340 -ip 2340
1⤵
PID:2360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2340 -ip 2340
1⤵
PID:4984

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/2340-10-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2340-13-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3212-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3212-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3212-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3212-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3212-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4480-0-0x0000000074722000-0x0000000074723000-memory.dmp

Filesize
4KB

Download
memory/4480-1-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/4480-2-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/4480-3-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/4480-8-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download

Analysis

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