remcos | 7864d31f7ccf35934bbab34115c83952b94dfc7223929ac03fefac2b17ed7927

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26-09-2024 13:32

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General

Target

Quote.exe
Size

915KB
MD5

0b18de9b2b7f17fc93796eabee8d26dd
SHA1

0c0f08a2df8262960e6290900bff0684847cc0c8
SHA256

929167f47e1116759145eb457f86474a311374373b05b11438ea1222a9e2a8f0
SHA512

07a146051648b7bf1a7024bf1375b27b3ee6ea07c9c455ede24d3edce26d79e2f227a9b1a9ba0eb4f5e05c75e458169e48c3a8a1acaf731781a0f105ace37860
SSDEEP

12288:OdK2wPfKaoFsNyjcFg/Q5P4Uf1fTX5muSPflsEXywds31GHvMb7d+fLnnjnU+DL:FPfKaKsNEesQ5PxL5mjHiwOFEvMOPn3

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

www.projectusf.com:2404

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
gfh
mouse_option
false
mutex
Rmc-J91LMC
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 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
1112	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2300 set thread context of 2720	2300	Quote.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 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Quote.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Quote.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
2420	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1112	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1112	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2720	Quote.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 1112	2300	Quote.exe	29
PID 2300 wrote to memory of 1112	2300	Quote.exe	29
PID 2300 wrote to memory of 1112	2300	Quote.exe	29
PID 2300 wrote to memory of 1112	2300	Quote.exe	29
PID 2300 wrote to memory of 2420	2300	Quote.exe	31
PID 2300 wrote to memory of 2420	2300	Quote.exe	31
PID 2300 wrote to memory of 2420	2300	Quote.exe	31
PID 2300 wrote to memory of 2420	2300	Quote.exe	31
PID 2300 wrote to memory of 2720	2300	Quote.exe	33
PID 2300 wrote to memory of 2720	2300	Quote.exe	33
PID 2300 wrote to memory of 2720	2300	Quote.exe	33
PID 2300 wrote to memory of 2720	2300	Quote.exe	33
PID 2300 wrote to memory of 2720	2300	Quote.exe	33
PID 2300 wrote to memory of 2720	2300	Quote.exe	33
PID 2300 wrote to memory of 2720	2300	Quote.exe	33
PID 2300 wrote to memory of 2720	2300	Quote.exe	33
PID 2300 wrote to memory of 2720	2300	Quote.exe	33
PID 2300 wrote to memory of 2720	2300	Quote.exe	33
PID 2300 wrote to memory of 2720	2300	Quote.exe	33
PID 2300 wrote to memory of 2720	2300	Quote.exe	33
PID 2300 wrote to memory of 2720	2300	Quote.exe	33

C:\Users\Admin\AppData\Local\Temp\Quote.exe
"C:\Users\Admin\AppData\Local\Temp\Quote.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OlhQyptevOgDP.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1112
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OlhQyptevOgDP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD99D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2420
- C:\Users\Admin\AppData\Local\Temp\Quote.exe
  "C:\Users\Admin\AppData\Local\Temp\Quote.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2720

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:\ProgramData\gfh\logs.dat

Filesize
144B

MD5
1afeb6794e19b520187dcd801ad77da4

SHA1
922d4bd6da84bdd5f94c64441e87a6db1080a5ef

SHA256
7ebfc6d83233b1a3b8950c7aaad46064ae6c2549b3e08472be766ed1bb780709

SHA512
ef315b893bf31a8187b5ae86b4bf3b08700635d1f7bf80adb248bae1d7656d0df6116b8a8c00b810223f7cb6f6a8267e40d07540d958c5d4b81fa866afe0e838

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD99D.tmp

Filesize
1KB

MD5
aa820a016220a6dbc8cc90cd019c0d9a

SHA1
b7e2872dd10d96abd569621e0116d880a32c01d1

SHA256
b7a38174d189bff15ca4a8fb872d27cbfe83d483da1aaf46e360ba3ff558c860

SHA512
806ac97c27175f934d79be1be21653b6305fb1c3f2446dcbe1a454f6a53251c23dc621cc11012aa0a9a68b2d9495599a63aa01ea4f141abc3966d40cf7820e49

Download Submit
memory/2300-0-0x000000007432E000-0x000000007432F000-memory.dmp

Filesize
4KB

Download
memory/2300-1-0x0000000000C70000-0x0000000000D5C000-memory.dmp

Filesize
944KB

Download
memory/2300-2-0x0000000074320000-0x0000000074A0E000-memory.dmp

Filesize
6.9MB

Download
memory/2300-3-0x0000000000300000-0x0000000000312000-memory.dmp

Filesize
72KB

Download
memory/2300-4-0x000000007432E000-0x000000007432F000-memory.dmp

Filesize
4KB

Download
memory/2300-5-0x0000000074320000-0x0000000074A0E000-memory.dmp

Filesize
6.9MB

Download
memory/2300-6-0x00000000054E0000-0x00000000055A0000-memory.dmp

Filesize
768KB

Download
memory/2300-37-0x0000000074320000-0x0000000074A0E000-memory.dmp

Filesize
6.9MB

Download
memory/2720-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2720-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-72-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-76-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-77-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-78-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-80-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-85-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-86-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-87-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2720-88-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download