remcos | 26cfb1b24425c97fc4588631b23ca93def5d84efb2300d81bdbbb48443207292

General

Target

d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe
Size

547KB
MD5

d059cb67acea2c312309714eb1af01a7
SHA1

007e9f4dbc3b50681b92df35c92f66322aed6e4d
SHA256

26cfb1b24425c97fc4588631b23ca93def5d84efb2300d81bdbbb48443207292
SHA512

0dc8ac47c6db6fd04e2d001652400901ede9bae4e271608e134ac65896b704d9722c601e2a82ced14a0895d3d3b3df6ba7aef981ca0db28bf074c9ea089deb28
SSDEEP

12288:DzGF2mcaboxdxAm2T1W7tsb4yaaMKwiqVm90XaQt2:HAcaboxdxj2T0psYO/Qt2

Score

10^/10

remcos covid-23 discovery rat

Malware Config

Extracted

Family

remcos

Version

2.7.0 Pro

Botnet

covid-23

C2

latua.nsupdate.info:7722

fanta.nsupdate.info:7722

press2.awsmppl.com:7722

gem7.nerdpol.ovh:7722

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
Remcosss-MLU3BX
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2196 set thread context of 2548	2196	d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe	33

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 2 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	d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2808	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2196	d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe
2196	d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe
2196	d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2196	d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2548	d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2808	2196	d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe	31
PID 2196 wrote to memory of 2808	2196	d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe	31
PID 2196 wrote to memory of 2808	2196	d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe	31
PID 2196 wrote to memory of 2808	2196	d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe	31
PID 2196 wrote to memory of 2548	2196	d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe	33
PID 2196 wrote to memory of 2548	2196	d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe	33
PID 2196 wrote to memory of 2548	2196	d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe	33
PID 2196 wrote to memory of 2548	2196	d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe	33
PID 2196 wrote to memory of 2548	2196	d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe	33
PID 2196 wrote to memory of 2548	2196	d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe	33
PID 2196 wrote to memory of 2548	2196	d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe	33
PID 2196 wrote to memory of 2548	2196	d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe	33
PID 2196 wrote to memory of 2548	2196	d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe	33
PID 2196 wrote to memory of 2548	2196	d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe	33
PID 2196 wrote to memory of 2548	2196	d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tQmFOpnzWBfP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9444.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2808
- C:\Users\Admin\AppData\Local\Temp\d059cb67acea2c312309714eb1af01a7_JaffaCakes118.exe
  "{path}"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9444.tmp

Filesize
1KB

MD5
536a5b8149ee8cc3e2a6a2d465c5e584

SHA1
316dea5527778a5d368650dfb73f8a53c085e950

SHA256
cb3961f395442556ceeb585fe707d34d13de4df480152195bfaf73a578758eea

SHA512
2a7493cf7474a1e9c847719fdd2d81ad8a290a68d5f24dd2f69e9e3d0e9af4afdfb33ea3d8170dbdd2ff95a0352ece496c17bc434d966f0cac3aa1e5fcaf294f

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

Filesize
74B

MD5
92c3512beaf0399519396944be9c25a2

SHA1
733119b1bea59a9f7be1baa9ee50ebf7013c3127

SHA256
b0a00fed2845500597ae5b74660b7e9878992b0523bbaa5aeb51d6c88cae3b1a

SHA512
b59e80ca25239010115a180ea57cf3b2af1546734734294f4e9ae83f0ae70ae0ddf120b953493f7089dacee9f050c03da44fc0b44700aece7be88e9a39418480

Download Submit
memory/2196-0-0x000000007442E000-0x000000007442F000-memory.dmp

Filesize
4KB

Download
memory/2196-1-0x0000000000D90000-0x0000000000E1E000-memory.dmp

Filesize
568KB

Download
memory/2196-2-0x00000000003D0000-0x00000000003E2000-memory.dmp

Filesize
72KB

Download
memory/2196-3-0x0000000074420000-0x0000000074B0E000-memory.dmp

Filesize
6.9MB

Download
memory/2196-4-0x0000000074420000-0x0000000074B0E000-memory.dmp

Filesize
6.9MB

Download
memory/2196-5-0x0000000000940000-0x00000000009A6000-memory.dmp

Filesize
408KB

Download
memory/2196-6-0x0000000004F90000-0x0000000004FEA000-memory.dmp

Filesize
360KB

Download
memory/2196-27-0x0000000074420000-0x0000000074B0E000-memory.dmp

Filesize
6.9MB

Download
memory/2548-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2548-17-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2548-16-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2548-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2548-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2548-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2548-22-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2548-23-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2548-24-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2548-28-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2548-20-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2548-30-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2548-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads