xtremerat | 7afe5b37672d20bcdee16ff41c6a4e3610e3fd323a4711060b958c67c300eae3

General

Target

73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe
Size

260KB
MD5

73c20f21456d3965d631bc0fb96f87ea
SHA1

16e304622146129b54312f34fca2edabc1176043
SHA256

7afe5b37672d20bcdee16ff41c6a4e3610e3fd323a4711060b958c67c300eae3
SHA512

ec837c49bf5d253eac613114aa50100ece987e7fa099474279bb82fb2864ee26e00d4c5fa512af365c9e0dd07eba0438c43f60477527992ea1dd95621dc14988
SSDEEP

3072:a0OXaDyrCdrO+SZUfaiaFqpCJ2tAkj0wK5HWahWvHzC+qz33CvHvzmCv4rTXkrSu:Xvd6/ZUSi1+2tAW2WI+qzIA+lZ

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

jed3.no-ip.info

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/4748-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4748-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2060-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4748-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2060-10-0x0000000010000000-0x000000001004D000-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

description	pid	Process	procid_target
PID 320 set thread context of 4748	320	73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe	84

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4748-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4748-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4748-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4748-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2060-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4748-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2060-10-0x0000000010000000-0x000000001004D000-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

pid	pid_target	Process	procid_target
3752	2060	WerFault.exe	85
2796	2060	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	73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
320	73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 320 wrote to memory of 4748	320	73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe	84
PID 320 wrote to memory of 4748	320	73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe	84
PID 320 wrote to memory of 4748	320	73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe	84
PID 320 wrote to memory of 4748	320	73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe	84
PID 320 wrote to memory of 4748	320	73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe	84
PID 320 wrote to memory of 4748	320	73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe	84
PID 320 wrote to memory of 4748	320	73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe	84
PID 320 wrote to memory of 4748	320	73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe	84
PID 4748 wrote to memory of 2060	4748	73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe	85
PID 4748 wrote to memory of 2060	4748	73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe	85
PID 4748 wrote to memory of 2060	4748	73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe	85
PID 4748 wrote to memory of 2060	4748	73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe	85
PID 4748 wrote to memory of 3356	4748	73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe	87
PID 4748 wrote to memory of 3356	4748	73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe	87
PID 4748 wrote to memory of 3356	4748	73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:320
- C:\Users\Admin\AppData\Local\Temp\73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\73c20f21456d3965d631bc0fb96f87ea_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4748
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2060
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 480
      4⤵
      Program crash
      PID:3752
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 488
      4⤵
      Program crash
      PID:2796
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2060 -ip 2060
1⤵
PID:1140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2060 -ip 2060
1⤵
PID:2020

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/2060-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2060-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4748-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4748-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4748-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4748-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4748-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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