xtremerat | bc772cb967889aed9302dc5ac24df70ca12b5b7648a354426bf1ddfa83d5fe0b

General

Target
3f35dfea4724b7feefee83e776376e53_JaffaCakes118.exe
Size 53KB
Sample240712-2xwwcathpr
SHA256 bc772cb967889aed9302dc5ac24df70ca12b5b7648a354426bf1ddfa83d5fe0b
MD5 3f35dfea4724b7feefee83e776376e53
SHA1 0de468d61ac6599eab6497d2e2892da316ec1f32
SHA512 11b456290dd9c150a4386be2d28e53cf10959941a67602762b4493ece4fbb6eb26c44042a5f35dc5dd581224052fb100a3ab90daf24fb754bcd8573c48170c1a
SSDEEP 768:8LCPJCSxjW2+6ESvrGO8QgFKNqxj6zpNW+mZURl08GuoL:8mCKK2+5SzGOoK0F6zpNfP/0L
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/2108-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2108-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1512-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2108-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1512-9-0x0000000010000000-0x000000001004D000-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

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2108-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2108-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2108-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2108-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1512-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2108-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1512-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4852 set thread context of 2108	4852	3f35dfea4724b7feefee83e776376e53_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
2348	1512	WerFault.exe	86
2908	1512	WerFault.exe	86

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4852	3f35dfea4724b7feefee83e776376e53_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4852 wrote to memory of 2108	4852	3f35dfea4724b7feefee83e776376e53_JaffaCakes118.exe	84
PID 4852 wrote to memory of 2108	4852	3f35dfea4724b7feefee83e776376e53_JaffaCakes118.exe	84
PID 4852 wrote to memory of 2108	4852	3f35dfea4724b7feefee83e776376e53_JaffaCakes118.exe	84
PID 4852 wrote to memory of 2108	4852	3f35dfea4724b7feefee83e776376e53_JaffaCakes118.exe	84
PID 4852 wrote to memory of 2108	4852	3f35dfea4724b7feefee83e776376e53_JaffaCakes118.exe	84
PID 4852 wrote to memory of 2108	4852	3f35dfea4724b7feefee83e776376e53_JaffaCakes118.exe	84
PID 4852 wrote to memory of 2108	4852	3f35dfea4724b7feefee83e776376e53_JaffaCakes118.exe	84
PID 4852 wrote to memory of 2108	4852	3f35dfea4724b7feefee83e776376e53_JaffaCakes118.exe	84
PID 2108 wrote to memory of 1512	2108	3f35dfea4724b7feefee83e776376e53_JaffaCakes118.exe	86
PID 2108 wrote to memory of 1512	2108	3f35dfea4724b7feefee83e776376e53_JaffaCakes118.exe	86
PID 2108 wrote to memory of 1512	2108	3f35dfea4724b7feefee83e776376e53_JaffaCakes118.exe	86
PID 2108 wrote to memory of 1512	2108	3f35dfea4724b7feefee83e776376e53_JaffaCakes118.exe	86
PID 2108 wrote to memory of 4848	2108	3f35dfea4724b7feefee83e776376e53_JaffaCakes118.exe	88
PID 2108 wrote to memory of 4848	2108	3f35dfea4724b7feefee83e776376e53_JaffaCakes118.exe	88
PID 2108 wrote to memory of 4848	2108	3f35dfea4724b7feefee83e776376e53_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\3f35dfea4724b7feefee83e776376e53_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3f35dfea4724b7feefee83e776376e53_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4852
- C:\Users\Admin\AppData\Local\Temp\3f35dfea4724b7feefee83e776376e53_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\3f35dfea4724b7feefee83e776376e53_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2108
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:1512
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1512 -s 480
      4⤵
      Program crash
      PID:2348
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1512 -s 488
      4⤵
      Program crash
      PID:2908
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1512 -ip 1512
1⤵
PID:4092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1512 -ip 1512
1⤵
PID:4672

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

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Downloads

memory/1512-7-0x0000000010000000-0x000000001004D000-memory.dmp

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memory/1512-9-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/2108-2-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/2108-4-0x0000000010000000-0x000000001004D000-memory.dmp

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memory/2108-5-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/2108-6-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/2108-8-0x0000000010000000-0x000000001004D000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads