xtremerat | d50a00bbefab2d3331d7e04fdd4212936866a49132a0e03def2c45aa515cc976

General

Target

0b310ebf5894e448ea08fb1e9b8fc5c7_JaffaCakes118.exe
Size

120KB
MD5

0b310ebf5894e448ea08fb1e9b8fc5c7
SHA1

981df795ac609508dae999b5f9c6505a98c32acc
SHA256

d50a00bbefab2d3331d7e04fdd4212936866a49132a0e03def2c45aa515cc976
SHA512

e4c14aed2882f8457c388ca59483c346b51992465a37b7feb8fa447d5d0f608966e41ce443942dd405b43eb7ca674b14b8e2b584e2ea8fa7e04eaef3219576b3
SSDEEP

3072:Ljt8dwRtVgX90KpYzCeiPkX9H0MNrbX0NMFseJnZ92SOEgO:8POFZ4SbgO

Score

10^/10

Malware Config

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/4764-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4764-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3424-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4764-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3424-11-0x0000000010000000-0x000000001004D000-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/4764-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4764-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4764-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4764-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3424-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4764-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3424-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4968 set thread context of 4764	4968	0b310ebf5894e448ea08fb1e9b8fc5c7_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
4648	3424	WerFault.exe	86
5008	3424	WerFault.exe	86

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4968	0b310ebf5894e448ea08fb1e9b8fc5c7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4968 wrote to memory of 4764	4968	0b310ebf5894e448ea08fb1e9b8fc5c7_JaffaCakes118.exe	85
PID 4968 wrote to memory of 4764	4968	0b310ebf5894e448ea08fb1e9b8fc5c7_JaffaCakes118.exe	85
PID 4968 wrote to memory of 4764	4968	0b310ebf5894e448ea08fb1e9b8fc5c7_JaffaCakes118.exe	85
PID 4968 wrote to memory of 4764	4968	0b310ebf5894e448ea08fb1e9b8fc5c7_JaffaCakes118.exe	85
PID 4968 wrote to memory of 4764	4968	0b310ebf5894e448ea08fb1e9b8fc5c7_JaffaCakes118.exe	85
PID 4968 wrote to memory of 4764	4968	0b310ebf5894e448ea08fb1e9b8fc5c7_JaffaCakes118.exe	85
PID 4968 wrote to memory of 4764	4968	0b310ebf5894e448ea08fb1e9b8fc5c7_JaffaCakes118.exe	85
PID 4968 wrote to memory of 4764	4968	0b310ebf5894e448ea08fb1e9b8fc5c7_JaffaCakes118.exe	85
PID 4764 wrote to memory of 3424	4764	0b310ebf5894e448ea08fb1e9b8fc5c7_JaffaCakes118.exe	86
PID 4764 wrote to memory of 3424	4764	0b310ebf5894e448ea08fb1e9b8fc5c7_JaffaCakes118.exe	86
PID 4764 wrote to memory of 3424	4764	0b310ebf5894e448ea08fb1e9b8fc5c7_JaffaCakes118.exe	86
PID 4764 wrote to memory of 3424	4764	0b310ebf5894e448ea08fb1e9b8fc5c7_JaffaCakes118.exe	86
PID 4764 wrote to memory of 2132	4764	0b310ebf5894e448ea08fb1e9b8fc5c7_JaffaCakes118.exe	88
PID 4764 wrote to memory of 2132	4764	0b310ebf5894e448ea08fb1e9b8fc5c7_JaffaCakes118.exe	88
PID 4764 wrote to memory of 2132	4764	0b310ebf5894e448ea08fb1e9b8fc5c7_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\0b310ebf5894e448ea08fb1e9b8fc5c7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0b310ebf5894e448ea08fb1e9b8fc5c7_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4968
- C:\Users\Admin\AppData\Local\Temp\0b310ebf5894e448ea08fb1e9b8fc5c7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\0b310ebf5894e448ea08fb1e9b8fc5c7_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4764
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:3424
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3424 -s 476
      4⤵
      Program crash
      PID:4648
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3424 -s 472
      4⤵
      Program crash
      PID:5008
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:2132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3424 -ip 3424
1⤵
PID:64

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3424 -ip 3424
1⤵
PID:4964

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3424-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3424-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4764-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4764-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4764-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4764-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4764-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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