xtremerat | b33a2b05a2577a1aecaea2ed17d054d614aa60796f2ecda3ba3fd16f30f1ecc8

General

Target

7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe
Size

304KB
MD5

7a5c0ea05331990478531c216bf8fb48
SHA1

bf98160c1683a5968ab9393a0252a981b34f520e
SHA256

b33a2b05a2577a1aecaea2ed17d054d614aa60796f2ecda3ba3fd16f30f1ecc8
SHA512

ccdf8de823c25c4c277ef1d055e09ae9f2c527bb3e3c63829259040460800e56ff7533846273aec3f6119309c2b099d435dfdf4cfb0116217fd0815e3ff6640b
SSDEEP

6144:n0KVE4LCMsOdjyGti8dK8aJyOJLtGkQ3FNs:n0CEGCzayGPPaJlJLtX8FNs

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

w2w.no-ip.info

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/904-5-0x0000000010000000-0x0000000010045000-memory.dmp	family_xtremerat
behavioral2/memory/904-6-0x0000000010000000-0x0000000010045000-memory.dmp	family_xtremerat
behavioral2/memory/904-7-0x0000000010000000-0x0000000010045000-memory.dmp	family_xtremerat
behavioral2/memory/904-8-0x0000000010000000-0x0000000010045000-memory.dmp	family_xtremerat
behavioral2/memory/628-11-0x0000000010000000-0x0000000010045000-memory.dmp	family_xtremerat
behavioral2/memory/904-12-0x0000000010000000-0x0000000010045000-memory.dmp	family_xtremerat
behavioral2/memory/628-13-0x0000000010000000-0x0000000010045000-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
Xtremerat family
xtremerat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4700 set thread context of 904	4700	7a5c0ea05331990478531c216bf8fb48_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
388	628	WerFault.exe	86
1316	628	WerFault.exe	86

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	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4700	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 904	4700	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe	84
PID 4700 wrote to memory of 904	4700	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe	84
PID 4700 wrote to memory of 904	4700	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe	84
PID 4700 wrote to memory of 904	4700	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe	84
PID 4700 wrote to memory of 904	4700	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe	84
PID 4700 wrote to memory of 904	4700	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe	84
PID 4700 wrote to memory of 904	4700	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe	84
PID 4700 wrote to memory of 904	4700	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe	84
PID 4700 wrote to memory of 904	4700	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe	84
PID 4700 wrote to memory of 904	4700	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe	84
PID 4700 wrote to memory of 904	4700	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe	84
PID 4700 wrote to memory of 904	4700	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe	84
PID 4700 wrote to memory of 904	4700	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe	84
PID 904 wrote to memory of 628	904	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe	86
PID 904 wrote to memory of 628	904	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe	86
PID 904 wrote to memory of 628	904	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe	86
PID 904 wrote to memory of 628	904	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe	86
PID 904 wrote to memory of 1388	904	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe	88
PID 904 wrote to memory of 1388	904	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe	88
PID 904 wrote to memory of 1388	904	7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4700
- C:\Users\Admin\AppData\Local\Temp\7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\7a5c0ea05331990478531c216bf8fb48_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:904
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:628
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 628 -s 484
      4⤵
      Program crash
      PID:388
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 628 -s 508
      4⤵
      Program crash
      PID:1316
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:1388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 628 -ip 628
1⤵
PID:2564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 628 -ip 628
1⤵
PID:400

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/628-11-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/628-13-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/904-5-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/904-6-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/904-7-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/904-8-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/904-12-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/4700-0-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4700-10-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download

Analysis

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