xtremerat | d205f7623b68322b904fc57517dfe4da2adacd7f3100253353a8563f71007e99

General

Target

d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe
Size

264KB
MD5

d401001a652aae9feff816ffecf2f6e2
SHA1

2cd61897aa46b29c4e02a8a4dcdfe4fea8463124
SHA256

d205f7623b68322b904fc57517dfe4da2adacd7f3100253353a8563f71007e99
SHA512

b15605be07d00b78f4eddbffb23c3be2ca8464b5b5677ef0fb3ed4d17cc50c5c011f22232829bbd7b92a435b1af94b014caabde11dcd3a84e711c5d1347b8b13
SSDEEP

1536:MFyguAiQ/cBJWumC7ZRtSjGN4J3kuJUanXXepq1nMKSu1SauUFzzUmi:WfiQUShCEJnezu1SuF3f

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

dfuso.zapto.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/404-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2084-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/404-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2084-9-0x0000000010000000-0x000000001004D000-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

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/404-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/404-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/404-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/404-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2084-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/404-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2084-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4652 set thread context of 404	4652	d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe	83

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
2640	2084	WerFault.exe	85
1528	2084	WerFault.exe	85

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	d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4652	d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4652 wrote to memory of 404	4652	d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe	83
PID 4652 wrote to memory of 404	4652	d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe	83
PID 4652 wrote to memory of 404	4652	d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe	83
PID 4652 wrote to memory of 404	4652	d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe	83
PID 4652 wrote to memory of 404	4652	d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe	83
PID 4652 wrote to memory of 404	4652	d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe	83
PID 4652 wrote to memory of 404	4652	d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe	83
PID 4652 wrote to memory of 404	4652	d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe	83
PID 404 wrote to memory of 2084	404	d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe	85
PID 404 wrote to memory of 2084	404	d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe	85
PID 404 wrote to memory of 2084	404	d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe	85
PID 404 wrote to memory of 2084	404	d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe	85
PID 404 wrote to memory of 4600	404	d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe	87
PID 404 wrote to memory of 4600	404	d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe	87
PID 404 wrote to memory of 4600	404	d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4652
- C:\Users\Admin\AppData\Local\Temp\d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d401001a652aae9feff816ffecf2f6e2_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:404
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2084
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2084 -s 480
      4⤵
      Program crash
      PID:2640
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2084 -s 500
      4⤵
      Program crash
      PID:1528
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2084 -ip 2084
1⤵
PID:3108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2084 -ip 2084
1⤵
PID:4140

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/404-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/404-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/404-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/404-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/404-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2084-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2084-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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