remcos | 1c251b2a58b7c9c19bca9f5eb75fa7cd93a73fe07e34c1759a2381dda79ffda4

General

Target

0988986.exe
Size

897KB
MD5

00cb16ec61346dc7a4410acbb683a6f2
SHA1

d4c2741a51aef320c23e66221741bdbfbda9ddea
SHA256

1c251b2a58b7c9c19bca9f5eb75fa7cd93a73fe07e34c1759a2381dda79ffda4
SHA512

e33736dcb7e553bfdfc708c948413630496befdc9fc4bf5a83e42cea93ea400624379aeca984636b066c7d2377a524ce00112215c68a9dd6b4bdd9aba845ed9d
SSDEEP

24576:qgEceydzP4Nj+x/SZ/Jk9R9Hq9AfQaz/smsNqGxDeI:qVkjmK9R9K9Af7sN3

Score

10^/10

remcos mekus discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

mekus

C2

dpm-sael.com:2017

Attributes

audio_folder
MicRecords
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
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
meckus-ODY51K
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
280	powershell.exe
2724	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2908 set thread context of 2948	2908	0988986.exe	37

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 5 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0988986.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0988986.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2976	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2724	powershell.exe
280	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2724	powershell.exe
Token: SeDebugPrivilege	280	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2948	0988986.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 280	2908	0988986.exe	31
PID 2908 wrote to memory of 280	2908	0988986.exe	31
PID 2908 wrote to memory of 280	2908	0988986.exe	31
PID 2908 wrote to memory of 280	2908	0988986.exe	31
PID 2908 wrote to memory of 2724	2908	0988986.exe	33
PID 2908 wrote to memory of 2724	2908	0988986.exe	33
PID 2908 wrote to memory of 2724	2908	0988986.exe	33
PID 2908 wrote to memory of 2724	2908	0988986.exe	33
PID 2908 wrote to memory of 2976	2908	0988986.exe	34
PID 2908 wrote to memory of 2976	2908	0988986.exe	34
PID 2908 wrote to memory of 2976	2908	0988986.exe	34
PID 2908 wrote to memory of 2976	2908	0988986.exe	34
PID 2908 wrote to memory of 2948	2908	0988986.exe	37
PID 2908 wrote to memory of 2948	2908	0988986.exe	37
PID 2908 wrote to memory of 2948	2908	0988986.exe	37
PID 2908 wrote to memory of 2948	2908	0988986.exe	37
PID 2908 wrote to memory of 2948	2908	0988986.exe	37
PID 2908 wrote to memory of 2948	2908	0988986.exe	37
PID 2908 wrote to memory of 2948	2908	0988986.exe	37
PID 2908 wrote to memory of 2948	2908	0988986.exe	37
PID 2908 wrote to memory of 2948	2908	0988986.exe	37
PID 2908 wrote to memory of 2948	2908	0988986.exe	37
PID 2908 wrote to memory of 2948	2908	0988986.exe	37
PID 2908 wrote to memory of 2948	2908	0988986.exe	37
PID 2908 wrote to memory of 2948	2908	0988986.exe	37

C:\Users\Admin\AppData\Local\Temp\0988986.exe
"C:\Users\Admin\AppData\Local\Temp\0988986.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\0988986.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:280
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jcXOqLBJLRu.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2724
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jcXOqLBJLRu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpED6B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2976
- C:\Users\Admin\AppData\Local\Temp\0988986.exe
  "C:\Users\Admin\AppData\Local\Temp\0988986.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
3a2020c9b2f87672bd56b6644fd4f951

SHA1
020362971c13fdcad48d6f0de7bff6b1d42cb972

SHA256
1e36d9c1feadd32d132558d04629b56e99633108b4301d438dd3b43991150705

SHA512
85e52b4568b61b292f79e0f3fc583421a3ddad3cb630765ca2fd6d651a412fd5aac968fb88080bfd5143051f682db64783cead028ec8925fd64d1b1778272b51

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpED6B.tmp

Filesize
1KB

MD5
0d9b4518737e8eb46d575ecca98ec991

SHA1
2d05e9fb622d2520c9b9a64a386065f1976888d1

SHA256
339712a0c774a7c6609ac74395a459509865c5d440e3f08adfa76929df674887

SHA512
9558eddf6661ac5320190d24deda7d56f61750134d27cf0da765f50b7f3a7403701e60103021c85255c3598754b3a21518059fe944561ac8d1a1b92a1365f54a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\VEI7LA7C65ICJVN2PWWF.temp

Filesize
7KB

MD5
9070a245e9a18e3e57a185fbe4f8c9cb

SHA1
b9ccd944a37239aef68a9a2d16fff9504f609b70

SHA256
5d79ba7b05f2591651816b738b314e2b86c747429b41818e2d590712dc54349d

SHA512
ad1e64673f8f6ddf3798b56b08e17331a4a82eba380916a561c8e4aae5ff4f0167d7b5ef09e254fbd48f2df390703e0fb857d111bbf5dd5b9d1492b84f1763f9

Download Submit
memory/2908-38-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2908-1-0x0000000001390000-0x0000000001476000-memory.dmp

Filesize
920KB

Download
memory/2908-2-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2908-3-0x00000000003A0000-0x00000000003B2000-memory.dmp

Filesize
72KB

Download
memory/2908-4-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/2908-5-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2908-6-0x0000000005540000-0x0000000005600000-memory.dmp

Filesize
768KB

Download
memory/2908-0-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/2948-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2948-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2948-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads