remcos | 7864d31f7ccf35934bbab34115c83952b94dfc7223929ac03fefac2b17ed7927

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

C2

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
2864	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 876 set thread context of 2784	876	Quote.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	Quote.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	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
1572	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2864	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2864	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2784	Quote.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 876 wrote to memory of 2864	876	Quote.exe	31
PID 876 wrote to memory of 2864	876	Quote.exe	31
PID 876 wrote to memory of 2864	876	Quote.exe	31
PID 876 wrote to memory of 2864	876	Quote.exe	31
PID 876 wrote to memory of 1572	876	Quote.exe	33
PID 876 wrote to memory of 1572	876	Quote.exe	33
PID 876 wrote to memory of 1572	876	Quote.exe	33
PID 876 wrote to memory of 1572	876	Quote.exe	33
PID 876 wrote to memory of 2784	876	Quote.exe	35
PID 876 wrote to memory of 2784	876	Quote.exe	35
PID 876 wrote to memory of 2784	876	Quote.exe	35
PID 876 wrote to memory of 2784	876	Quote.exe	35
PID 876 wrote to memory of 2784	876	Quote.exe	35
PID 876 wrote to memory of 2784	876	Quote.exe	35
PID 876 wrote to memory of 2784	876	Quote.exe	35
PID 876 wrote to memory of 2784	876	Quote.exe	35
PID 876 wrote to memory of 2784	876	Quote.exe	35
PID 876 wrote to memory of 2784	876	Quote.exe	35
PID 876 wrote to memory of 2784	876	Quote.exe	35
PID 876 wrote to memory of 2784	876	Quote.exe	35
PID 876 wrote to memory of 2784	876	Quote.exe	35

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:876
- 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:2864
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OlhQyptevOgDP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp261.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1572
- 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:2784

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\gfh\logs.dat

Filesize
144B

MD5
bca449aab54ac973f64386c7b43555ec

SHA1
abefcb04141b4d127f0be097c3dd9352e982d645

SHA256
68b457caffb4051460785e9e7bb3bf3eac6051619e7eaac842ce3bf6709ac38b

SHA512
53cc6745ccce55a0cb784fd7e77662ca594d6c71717c3c9224707831cba0e575e7ca3b880df5c70d1f3ba56989a49275202c9f8fb5b2d178fa65f2b0d2d2d186

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp261.tmp

Filesize
1KB

MD5
28f22545481515eea5131a3cddd5ced3

SHA1
ee7f297afb95d5b6815fce4c6e0d58296abd5a9d

SHA256
83477b70b507c47d87498dad8eee90fb616aaf044da22f8bebb38bd7cee05c62

SHA512
480f51ce713c66eafd8f194be2f7e30e2745de49328239854f1e5f1ead5889470c750980ff089c455057bfd919b7c9d21dcec5c3f3bdfd44fc3ea98abe166c4b

Download Submit
memory/876-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/876-1-0x0000000001310000-0x00000000013FC000-memory.dmp

Filesize
944KB

Download
memory/876-2-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/876-3-0x0000000000770000-0x0000000000782000-memory.dmp

Filesize
72KB

Download
memory/876-4-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/876-5-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/876-6-0x00000000053C0000-0x0000000005480000-memory.dmp

Filesize
768KB

Download
memory/876-37-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/2784-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2784-72-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads