remcos | b4de787d10b719474c2276e98e3471e5791aaec733cdc7259fc73b95ff602d7b

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
16/11/2022, 05:41

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General

Target
SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe
Size 2.1MB
Sample221116-gdfd2ahd34
SHA256 b4de787d10b719474c2276e98e3471e5791aaec733cdc7259fc73b95ff602d7b
MD5 9d60cc8708f6f86365a5150cb4b28bc9
SHA1 e1327c368948d4a2ca1a271ace18231a59b31f65
SHA512 33c718fb42c0e1b5ac4eade4a776bb5ba56b29a1c1e896c3833f9914f1b58abd5715059e43970c21929f002fbef43d16959d9fcc521609742f312e11ca059228
SSDEEP 24576:zdfWyIwY55BKRB9BzZ5yLyjo167y6z3ue2JEKFhXnZAr0f/WgyY5+2+iJBoUrG5g:IwY55eB95koa1EKNnmoyYQWvoH+BMAf
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

remcos favour rat

Malware Config

Extracted

Family

remcos

Version

2.7.1 Pro

Botnet

Favour

46.183.216.163:8107
127.0.0.1:8107
10.26.173.68:8107

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-50BPKE
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 1900 set thread context of 1724	1900	SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe	29

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
552	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1900	SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe
Token: SeDebugPrivilege	552	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 552	1900	SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe	27
PID 1900 wrote to memory of 552	1900	SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe	27
PID 1900 wrote to memory of 552	1900	SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe	27
PID 1900 wrote to memory of 552	1900	SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe	27
PID 1900 wrote to memory of 1724	1900	SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe	29
PID 1900 wrote to memory of 1724	1900	SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe	29
PID 1900 wrote to memory of 1724	1900	SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe	29
PID 1900 wrote to memory of 1724	1900	SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe	29
PID 1900 wrote to memory of 1724	1900	SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe	29
PID 1900 wrote to memory of 1724	1900	SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe	29
PID 1900 wrote to memory of 1724	1900	SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe	29
PID 1900 wrote to memory of 1724	1900	SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe	29
PID 1900 wrote to memory of 1724	1900	SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe	29
PID 1900 wrote to memory of 1724	1900	SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe	29
PID 1900 wrote to memory of 1724	1900	SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe	29

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwAzAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:552
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe
  C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe
  2⤵
  PID:1724

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/552-59-0x000000006ECA0000-0x000000006F24B000-memory.dmp

Download

memory/552-61-0x000000006ECA0000-0x000000006F24B000-memory.dmp

Download

memory/552-60-0x000000006ECA0000-0x000000006F24B000-memory.dmp

Download

memory/1724-63-0x0000000000400000-0x0000000000421000-memory.dmp

Download

memory/1724-62-0x0000000000400000-0x0000000000421000-memory.dmp

Download

memory/1724-65-0x0000000000400000-0x0000000000421000-memory.dmp

Download

memory/1724-67-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/1724-68-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/1724-69-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/1724-71-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/1724-75-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/1724-76-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/1900-56-0x0000000005400000-0x0000000005622000-memory.dmp

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memory/1900-55-0x00000000759F1000-0x00000000759F3000-memory.dmp

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memory/1900-54-0x0000000001100000-0x0000000001328000-memory.dmp

Download