xtremerat | be292baeb8b434a7bcc2506ba3587b21bc2258d4de2c29d9e4494aba5c7bfdc4

General

Target

2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe
Size

81KB
MD5

2bf9dfb6f7db5495cd6866c5ac7233e6
SHA1

7ae992dfa6b3d362f244897c4b6c2b1c3bcbab5c
SHA256

be292baeb8b434a7bcc2506ba3587b21bc2258d4de2c29d9e4494aba5c7bfdc4
SHA512

3b88d4de7b625884fad880971e256ed99b4767fcdfd9eea648144c7e57ab2d9610747b6682c4fa5e8b77d4570290b4953a94b76984b4963251c52888204676e2
SSDEEP

1536:0G2EnTramCVTJ10e9yhVuFTE11sb/MG5Eq9fCSxbtnkc6C:0ynvBCVTJ10ey0mTszhxbtnk3C

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4288-7-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4288-8-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/664-10-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4288-11-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/664-12-0x0000000010000000-0x0000000010048000-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

Processes:

2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2828 set thread context of 4288	2828	2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe	86

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4288-3-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/4288-6-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/4288-7-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/4288-8-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/664-10-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/4288-11-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/664-12-0x0000000010000000-0x0000000010048000-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

Processes:

WerFault.exeWerFault.exe

pid	pid_target	Process	procid_target
408	664	WerFault.exe	87
3120	664	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

Processes:

2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exesvchost.exe2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe

description	pid	Process
Token: SeDebugPrivilege	2828	2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2828 wrote to memory of 4288	2828	2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe	86
PID 2828 wrote to memory of 4288	2828	2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe	86
PID 2828 wrote to memory of 4288	2828	2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe	86
PID 2828 wrote to memory of 4288	2828	2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe	86
PID 2828 wrote to memory of 4288	2828	2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe	86
PID 2828 wrote to memory of 4288	2828	2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe	86
PID 2828 wrote to memory of 4288	2828	2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe	86
PID 2828 wrote to memory of 4288	2828	2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe	86
PID 4288 wrote to memory of 664	4288	2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe	87
PID 4288 wrote to memory of 664	4288	2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe	87
PID 4288 wrote to memory of 664	4288	2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe	87
PID 4288 wrote to memory of 664	4288	2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe	87
PID 4288 wrote to memory of 116	4288	2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe	88
PID 4288 wrote to memory of 116	4288	2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe	88
PID 4288 wrote to memory of 116	4288	2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Users\Admin\AppData\Local\Temp\2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\2bf9dfb6f7db5495cd6866c5ac7233e6_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4288
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:664
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 664 -s 480
      4⤵
      Program crash
      PID:408
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 664 -s 488
      4⤵
      Program crash
      PID:3120
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 664 -ip 664
1⤵
PID:5080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 664 -ip 664
1⤵
PID:1544

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

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Downloads

memory/664-10-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/664-12-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2828-0-0x00000000749B2000-0x00000000749B3000-memory.dmp

Filesize
4KB

Download
memory/2828-1-0x00000000749B0000-0x0000000074F61000-memory.dmp

Filesize
5.7MB

Download
memory/2828-2-0x00000000749B0000-0x0000000074F61000-memory.dmp

Filesize
5.7MB

Download
memory/2828-9-0x00000000749B0000-0x0000000074F61000-memory.dmp

Filesize
5.7MB

Download
memory/4288-3-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4288-6-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4288-7-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4288-8-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4288-11-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads