xtremerat | 5a7006def138c9b6eb1c71294f65c76b9b91ea2ed010f1854f1286fc5e6ec19b

General

Target

eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe
Size

101KB
MD5

eca542c1e38e0450e855d9cbb66e84e3
SHA1

232b969cd81831a87a80dd15eb708032eacddaf7
SHA256

5a7006def138c9b6eb1c71294f65c76b9b91ea2ed010f1854f1286fc5e6ec19b
SHA512

5445222b001c252fc520074f7a0deb0db4081c4d959f061400bd3974f77ab753edb3602b7d27ec5db34f02016d92bcb610d8e12355d0615b584a4611ad0540d3
SSDEEP

1536:h5e9TOXZmOy2F9q0adirLKlTkHJE4UkWgIVPRRVouCJU:hw9TMZmz2GirLKuH6VxX

Score

10^/10

xtremerat persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

harshgupta.zapto.org

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/324-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/324-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/324-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/324-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3704-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/324-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3704-10-0x0000000010000000-0x000000001004A000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3344 set thread context of 324	3344	eca542c1e38e0450e855d9cbb66e84e3_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
4544	3704	WerFault.exe	85
4224	3704	WerFault.exe	85

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3344	eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3344 wrote to memory of 324	3344	eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe	84
PID 3344 wrote to memory of 324	3344	eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe	84
PID 3344 wrote to memory of 324	3344	eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe	84
PID 3344 wrote to memory of 324	3344	eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe	84
PID 3344 wrote to memory of 324	3344	eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe	84
PID 3344 wrote to memory of 324	3344	eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe	84
PID 3344 wrote to memory of 324	3344	eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe	84
PID 3344 wrote to memory of 324	3344	eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe	84
PID 3344 wrote to memory of 324	3344	eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe	84
PID 3344 wrote to memory of 324	3344	eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe	84
PID 3344 wrote to memory of 324	3344	eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe	84
PID 3344 wrote to memory of 324	3344	eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe	84
PID 3344 wrote to memory of 324	3344	eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe	84
PID 324 wrote to memory of 3704	324	eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe	85
PID 324 wrote to memory of 3704	324	eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe	85
PID 324 wrote to memory of 3704	324	eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe	85
PID 324 wrote to memory of 3704	324	eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe	85
PID 324 wrote to memory of 4464	324	eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe	86
PID 324 wrote to memory of 4464	324	eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe	86
PID 324 wrote to memory of 4464	324	eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3344
- C:\Users\Admin\AppData\Local\Temp\eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\eca542c1e38e0450e855d9cbb66e84e3_JaffaCakes118.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:324
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:3704
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3704 -s 476
      4⤵
      Program crash
      PID:4544
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3704 -s 488
      4⤵
      Program crash
      PID:4224
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3704 -ip 3704
1⤵
PID:4112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3704 -ip 3704
1⤵
PID:3744

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/324-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/324-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/324-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/324-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/324-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3344-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3344-5-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3704-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3704-10-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

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