xtremerat | ed0de90f2f2726552f1318c9dc7c4329c48ff1cdffdca81bb6107f17dd894937

General

Target

JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe
Size

689KB
MD5

abae0cec33c94025e6f7c9c992403aaf
SHA1

f49880dbe96209ab8816381ad29cc7b3d7bbd33f
SHA256

ed0de90f2f2726552f1318c9dc7c4329c48ff1cdffdca81bb6107f17dd894937
SHA512

abd3b0289a668b4a9d2aa2e166c71bdcc09392ad5bd5f5edde579e0d0119978fce9f5e4aa67f03baf8620ab1f1c07af6ca23f82548abca1cdc7e377e48296ec4
SSDEEP

12288:mo7YNQ8GnBaWnBsPDqWOFD4RD+drOqZbmqMrUANW+dR0zHavdmn3eu:vwQBBaWnBCqOeSqZbmNrU0W0RVvS

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral1/memory/3280-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/3280-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/3280-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/3280-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/3444-10-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/3280-11-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/3444-12-0x0000000010000000-0x000000001004A000-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
Xtremerat family
xtremerat

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1120	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1120 set thread context of 3280	1120	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe	88

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
1792	3444	WerFault.exe	89
228	3444	WerFault.exe	89

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	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1120	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe
1120	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 3280	1120	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe	88
PID 1120 wrote to memory of 3280	1120	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe	88
PID 1120 wrote to memory of 3280	1120	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe	88
PID 1120 wrote to memory of 3280	1120	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe	88
PID 1120 wrote to memory of 3280	1120	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe	88
PID 1120 wrote to memory of 3280	1120	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe	88
PID 1120 wrote to memory of 3280	1120	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe	88
PID 1120 wrote to memory of 3280	1120	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe	88
PID 1120 wrote to memory of 3280	1120	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe	88
PID 1120 wrote to memory of 3280	1120	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe	88
PID 1120 wrote to memory of 3280	1120	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe	88
PID 1120 wrote to memory of 3280	1120	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe	88
PID 1120 wrote to memory of 3280	1120	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe	88
PID 3280 wrote to memory of 3444	3280	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe	89
PID 3280 wrote to memory of 3444	3280	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe	89
PID 3280 wrote to memory of 3444	3280	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe	89
PID 3280 wrote to memory of 3444	3280	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe	89
PID 3280 wrote to memory of 1960	3280	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe	91
PID 3280 wrote to memory of 1960	3280	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe	91
PID 3280 wrote to memory of 1960	3280	JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1120
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_abae0cec33c94025e6f7c9c992403aaf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3280
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3444
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3444 -s 476
      4⤵
      Program crash
      PID:1792
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3444 -s 488
      4⤵
      Program crash
      PID:228
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:1960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3444 -ip 3444
1⤵
PID:1208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3444 -ip 3444
1⤵
PID:2092

Network

MITRE ATT&CK Enterprise v16

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/1120-0-0x0000000000400000-0x00000000007AE000-memory.dmp

Filesize
3.7MB

Download
memory/1120-9-0x0000000000400000-0x00000000007AE000-memory.dmp

Filesize
3.7MB

Download
memory/3280-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3280-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3280-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3280-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3280-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3444-10-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3444-12-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

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