remcos | 6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 11:12

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General

Target

JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe
Size

1.0MB
MD5

e77736cd2247a057638f7010e5ca80e6
SHA1

938ac139fd722f3d7c0ac4c06019c6c794b4048b
SHA256

6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e
SHA512

08416526c24a818ebbf52106422849ae8ff9ab75b6df372e0bb8abe42deb77ed64226cec2b80ce125fe68da63d27e614250a0c78efa73c84ddcbebacfd098a3c
SSDEEP

24576:XbYPbYPbYPbYPbYPbYEEbF5uSPTAaTVxuWcE9i1ZN6/BABT/9:XbubububububsF5tPTAaTVxhcQid6y/9

Score

10^/10

remcos 31 discovery execution rat

Malware Config

Extracted

Family

remcos

Version

2.7.0 Pro

Botnet

pruebatreintauno167821.duckdns.org:1616

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-Q9CDFX
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
wikipedia;solitaire;

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Remcos family
remcos

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2756	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2208 set thread context of 1136	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	35

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2792	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe
2756	powershell.exe
2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe
Token: SeDebugPrivilege	2756	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1136	RegSvcs.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2756	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	31
PID 2208 wrote to memory of 2756	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	31
PID 2208 wrote to memory of 2756	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	31
PID 2208 wrote to memory of 2756	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	31
PID 2208 wrote to memory of 2792	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	33
PID 2208 wrote to memory of 2792	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	33
PID 2208 wrote to memory of 2792	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	33
PID 2208 wrote to memory of 2792	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	33
PID 2208 wrote to memory of 1136	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	35
PID 2208 wrote to memory of 1136	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	35
PID 2208 wrote to memory of 1136	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	35
PID 2208 wrote to memory of 1136	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	35
PID 2208 wrote to memory of 1136	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	35
PID 2208 wrote to memory of 1136	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	35
PID 2208 wrote to memory of 1136	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	35
PID 2208 wrote to memory of 1136	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	35
PID 2208 wrote to memory of 1136	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	35
PID 2208 wrote to memory of 1136	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	35
PID 2208 wrote to memory of 1136	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	35
PID 2208 wrote to memory of 1136	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	35
PID 2208 wrote to memory of 1136	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	35
PID 2208 wrote to memory of 1136	2208	JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe	35

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6fe7cd8556827d79fabee1921c2b0e64a0bc1f69f3bbcb50cfdcdc260ac5b40e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KNzGgKDdavn.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2756
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KNzGgKDdavn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7197.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2792
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7197.tmp

Filesize
1KB

MD5
8d3376445dcdbeb71a4ec6a01ff47676

SHA1
4a7957288a46e9b7723462b2b3566753c2b88b50

SHA256
a2ea491bc0475170a20e6c0fdc97c86db728d2f2a066f42e37c5d8b8a65177a0

SHA512
8f1f807fe8a59355a42dcb8de116f1e594fbcd7bc6763998849524ef1dfba70c20d705c38fc6939b9e39acbf9fd07a5807fe5dac681b5f629423caeeda1e4a16

Download Submit
C:\Users\Admin\AppData\Roaming\remcos\logs.dat

Filesize
74B

MD5
021ce220ee6f6461600d8034a2574d32

SHA1
509577c5c6ce7e9ea4578f9b25e8043552a1e826

SHA256
1031fdd952c01d2fade67441e561c0554c5ea68fcb9c4ea893c22304eccb8ca1

SHA512
de206a751f289f0245dcb4dc2e1dab5452de022338c552055d84abf671aef09c3b177f609d5f49e04d4ea1310e453e8d1d8e10f5d4ffb8580117a1e4c4593a4b

Download Submit
memory/1136-48-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-82-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-80-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-38-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-78-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-25-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-21-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-19-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-17-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-23-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-33-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-30-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-29-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-28-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1136-76-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-55-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-54-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-53-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-39-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-40-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-41-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-42-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-43-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-52-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-49-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-50-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1136-51-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2208-0-0x0000000073FEE000-0x0000000073FEF000-memory.dmp

Filesize
4KB

Download
memory/2208-2-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download
memory/2208-3-0x0000000000390000-0x000000000039A000-memory.dmp

Filesize
40KB

Download
memory/2208-5-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download
memory/2208-34-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download
memory/2208-14-0x0000000007FB0000-0x0000000008014000-memory.dmp

Filesize
400KB

Download
memory/2208-6-0x0000000007D90000-0x0000000007E34000-memory.dmp

Filesize
656KB

Download
memory/2208-4-0x0000000073FEE000-0x0000000073FEF000-memory.dmp

Filesize
4KB

Download
memory/2208-1-0x0000000000C90000-0x0000000000DA0000-memory.dmp

Filesize
1.1MB

Download