xtremerat | d3ad9bff33b87297f9b8ced16a65b1daca7a141d46982a603c3bb68b711ba658

General

Target

JaffaCakes118_7b50ec8461cd43fc5bb249191b149d50.exe
Size

184KB
MD5

7b50ec8461cd43fc5bb249191b149d50
SHA1

76db4bc6e9ee7e6caf0075d6225b9d54a747098c
SHA256

d3ad9bff33b87297f9b8ced16a65b1daca7a141d46982a603c3bb68b711ba658
SHA512

d83cff050726ff2eb2a77d54f06303146b53f3fcc988abdffc861010ab2e57f10c81a665ed2fe33238034d1746f50f668586bc84f970d87894e84cd640f15edb
SSDEEP

3072:t8cifS5eeVdLGmXcEgvTzJKDv4pv08HGRemD3FZmFpkKu/xKHioBAF3hnkFNdW:WfS5eeVdLGmXcEgvTzJKDv47Rm7kpZ3R

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral1/memory/1504-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1504-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1504-12-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1504-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1504-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1504-5-0x0000000010000000-0x000000001004A000-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 SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3040 set thread context of 1504	3040	JaffaCakes118_7b50ec8461cd43fc5bb249191b149d50.exe	30

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch.new	JaffaCakes118_7b50ec8461cd43fc5bb249191b149d50.exe
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch.new	JaffaCakes118_7b50ec8461cd43fc5bb249191b149d50.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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_7b50ec8461cd43fc5bb249191b149d50.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3040	JaffaCakes118_7b50ec8461cd43fc5bb249191b149d50.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3040	JaffaCakes118_7b50ec8461cd43fc5bb249191b149d50.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 1504	3040	JaffaCakes118_7b50ec8461cd43fc5bb249191b149d50.exe	30
PID 3040 wrote to memory of 1504	3040	JaffaCakes118_7b50ec8461cd43fc5bb249191b149d50.exe	30
PID 3040 wrote to memory of 1504	3040	JaffaCakes118_7b50ec8461cd43fc5bb249191b149d50.exe	30
PID 3040 wrote to memory of 1504	3040	JaffaCakes118_7b50ec8461cd43fc5bb249191b149d50.exe	30
PID 3040 wrote to memory of 1504	3040	JaffaCakes118_7b50ec8461cd43fc5bb249191b149d50.exe	30
PID 3040 wrote to memory of 1504	3040	JaffaCakes118_7b50ec8461cd43fc5bb249191b149d50.exe	30
PID 3040 wrote to memory of 1504	3040	JaffaCakes118_7b50ec8461cd43fc5bb249191b149d50.exe	30
PID 3040 wrote to memory of 1504	3040	JaffaCakes118_7b50ec8461cd43fc5bb249191b149d50.exe	30
PID 3040 wrote to memory of 1504	3040	JaffaCakes118_7b50ec8461cd43fc5bb249191b149d50.exe	30
PID 3040 wrote to memory of 1504	3040	JaffaCakes118_7b50ec8461cd43fc5bb249191b149d50.exe	30
PID 3040 wrote to memory of 1504	3040	JaffaCakes118_7b50ec8461cd43fc5bb249191b149d50.exe	30
PID 3040 wrote to memory of 1504	3040	JaffaCakes118_7b50ec8461cd43fc5bb249191b149d50.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b50ec8461cd43fc5bb249191b149d50.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b50ec8461cd43fc5bb249191b149d50.exe"
1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
  2⤵
  PID:1504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/1504-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1504-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1504-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1504-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1504-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1504-12-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1504-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1504-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1504-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3040-0-0x00000000745D1000-0x00000000745D2000-memory.dmp

Filesize
4KB

Download
memory/3040-1-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/3040-2-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/3040-13-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/3040-18-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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