xtremerat | 63bf4e48621084d50df9174f5c548168ebb3c26d91299d9e129c30b37b6a33b7

General

Target

a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe
Size

101KB
MD5

a7c3493de6970cd2c7f3fa099893459e
SHA1

a8b0e309791b5b47b8dee083c7071625560379aa
SHA256

63bf4e48621084d50df9174f5c548168ebb3c26d91299d9e129c30b37b6a33b7
SHA512

26a2417ea4e2d022a1b96b6f30cebb1bc56bffb3a30bd3421b8dfcc14f95700f34e6b8b131e7868ddf16cc18111145ca6d47a6d4310dca03ee811eedc0b657b6
SSDEEP

1536:Ogh/Qk5xku/BTxnW069gE9nKzFre0FT98nvhVGqDjNldt8+xwIiuilPLzHPop3a4:7h/Qk5xku/BTQ00hVGYjNdliRLzw

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

ketchup.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/3432-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3432-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/544-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3432-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/544-10-0x0000000010000000-0x000000001004D000-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

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3432-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3432-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3432-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3432-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/544-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3432-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/544-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3408 set thread context of 3432	3408	a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe	84

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
1380	544	WerFault.exe	85
1008	544	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	a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3408	a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3408 wrote to memory of 3432	3408	a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe	84
PID 3408 wrote to memory of 3432	3408	a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe	84
PID 3408 wrote to memory of 3432	3408	a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe	84
PID 3408 wrote to memory of 3432	3408	a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe	84
PID 3408 wrote to memory of 3432	3408	a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe	84
PID 3408 wrote to memory of 3432	3408	a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe	84
PID 3408 wrote to memory of 3432	3408	a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe	84
PID 3408 wrote to memory of 3432	3408	a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe	84
PID 3432 wrote to memory of 544	3432	a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe	85
PID 3432 wrote to memory of 544	3432	a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe	85
PID 3432 wrote to memory of 544	3432	a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe	85
PID 3432 wrote to memory of 544	3432	a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe	85
PID 3432 wrote to memory of 5104	3432	a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe	86
PID 3432 wrote to memory of 5104	3432	a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe	86
PID 3432 wrote to memory of 5104	3432	a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3408
- C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3432
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:544
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 480
      4⤵
      Program crash
      PID:1380
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 500
      4⤵
      Program crash
      PID:1008
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:5104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 544 -ip 544
1⤵
PID:3268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 544 -ip 544
1⤵
PID:1644

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/544-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/544-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3432-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3432-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3432-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3432-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3432-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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