xtremerat | 380bb18fcdff606e0958aaf4849ee80bca7e2c0f2c8bdd2ec3797d6fcfc20cf6

General

Target

aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe
Size

210KB
MD5

aa70c72d512ff1d3d893888f77738da4
SHA1

729a763c4d396936d60c76d48abebc0ccd75118a
SHA256

380bb18fcdff606e0958aaf4849ee80bca7e2c0f2c8bdd2ec3797d6fcfc20cf6
SHA512

b49c0e451bbf48cf59d224bf0079c7bf6b16d5f1fa1aa123a11b6e911c3783129bd7d396d19c452d01cdaf10045e4689a703a134d118b9654adcad5f67230e09
SSDEEP

3072:Ub6zm+Ya7XbxnKSWRiFc62n1M7zaZwgXmv6rIPhU2dgGCjUfUmOYqhYBu+mhp:U5TaQpx1cza1XyPhUcNzUVjhYwh

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

maskellile.no-ip.biz

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/2568-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2568-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2568-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2568-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2060-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2568-10-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2060-12-0x0000000010000000-0x000000001004A000-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

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4576-0-0x0000000000400000-0x00000000004AD000-memory.dmp	upx
behavioral2/memory/4576-7-0x0000000000400000-0x00000000004AD000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4576 set thread context of 2568	4576	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe	85

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
3276	2060	WerFault.exe	87
2692	2060	WerFault.exe	87

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	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4576	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4576 wrote to memory of 2568	4576	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe	85
PID 4576 wrote to memory of 2568	4576	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe	85
PID 4576 wrote to memory of 2568	4576	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe	85
PID 4576 wrote to memory of 2568	4576	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe	85
PID 4576 wrote to memory of 2568	4576	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe	85
PID 4576 wrote to memory of 2568	4576	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe	85
PID 4576 wrote to memory of 2568	4576	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe	85
PID 4576 wrote to memory of 2568	4576	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe	85
PID 4576 wrote to memory of 2568	4576	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe	85
PID 4576 wrote to memory of 2568	4576	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe	85
PID 4576 wrote to memory of 2568	4576	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe	85
PID 4576 wrote to memory of 2568	4576	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe	85
PID 4576 wrote to memory of 2568	4576	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe	85
PID 2568 wrote to memory of 2060	2568	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe	87
PID 2568 wrote to memory of 2060	2568	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe	87
PID 2568 wrote to memory of 2060	2568	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe	87
PID 2568 wrote to memory of 2060	2568	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe	87
PID 2568 wrote to memory of 2516	2568	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe	89
PID 2568 wrote to memory of 2516	2568	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe	89
PID 2568 wrote to memory of 2516	2568	aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4576
- C:\Users\Admin\AppData\Local\Temp\aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\aa70c72d512ff1d3d893888f77738da4_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2568
- - 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:3276
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 488
      4⤵
      Program crash
      PID:2692
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:2516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2060 -ip 2060
1⤵
PID:1508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2060 -ip 2060
1⤵
PID:3544

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/2060-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2060-12-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2568-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2568-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2568-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2568-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2568-10-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4576-0-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/4576-7-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download

Analysis

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