xtremerat | ccf0cba64a0e15567a13c7178f305910c0f7d9cbf9da3152e1241d5bc8e4606e

General

Target

d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe
Size

77KB
MD5

d28a18686cb20f31282535f7ea78bd2a
SHA1

14c6d8cc574c0f1b8dd92207014ad9b7507c9263
SHA256

ccf0cba64a0e15567a13c7178f305910c0f7d9cbf9da3152e1241d5bc8e4606e
SHA512

906591d2dcea2fd5619d36385ed44c28abc63358cb5f76eff8d0e566498297af23c260b96c92527f8016e583723835b7de676449c495192b4a3bacd39cc5b41b
SSDEEP

1536:mB1WMQ/WTn1kuaE3Bf4n76dBklpIDb2DI/XHHHelevHHIbPAt28Bb:mn4eTGuaeOn2ncob2SHHhHoTAg85

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

eminem30.no-ip.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/2756-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1712-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2756-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1712-9-0x0000000010000000-0x000000001004D000-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
Xtremerat family
xtremerat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5076 set thread context of 2756	5076	d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe	82

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2756-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2756-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2756-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2756-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1712-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2756-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1712-9-0x0000000010000000-0x000000001004D000-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
2044	1712	WerFault.exe	83
2984	1712	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	d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5076	d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 2756	5076	d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe	82
PID 5076 wrote to memory of 2756	5076	d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe	82
PID 5076 wrote to memory of 2756	5076	d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe	82
PID 5076 wrote to memory of 2756	5076	d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe	82
PID 5076 wrote to memory of 2756	5076	d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe	82
PID 5076 wrote to memory of 2756	5076	d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe	82
PID 5076 wrote to memory of 2756	5076	d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe	82
PID 5076 wrote to memory of 2756	5076	d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe	82
PID 2756 wrote to memory of 1712	2756	d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe	83
PID 2756 wrote to memory of 1712	2756	d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe	83
PID 2756 wrote to memory of 1712	2756	d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe	83
PID 2756 wrote to memory of 1712	2756	d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe	83
PID 2756 wrote to memory of 3404	2756	d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe	84
PID 2756 wrote to memory of 3404	2756	d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe	84
PID 2756 wrote to memory of 3404	2756	d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5076
- C:\Users\Admin\AppData\Local\Temp\d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d28a18686cb20f31282535f7ea78bd2a_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2756
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1712
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1712 -s 480
      4⤵
      Program crash
      PID:2044
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1712 -s 488
      4⤵
      Program crash
      PID:2984
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1712 -ip 1712
1⤵
PID:4636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1712 -ip 1712
1⤵
PID:2784

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/1712-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1712-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2756-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2756-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2756-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2756-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2756-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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