remcos | ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2024 10:11

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General

Target

ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe
Size

1.2MB
MD5

7066a1f0bfcd829977a1f51e4e65901a
SHA1

49579e351edb9f73013d46b45ac4773377514df0
SHA256

ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97
SHA512

5ae2da2a904105114011c9dfb83b38682bae81b793bad24d087409cce5b741790e5340863f3be10299f51f8a25b5fd76dc8191260c543f650dc1740ef86daf8d
SSDEEP

24576:uHSWToPA9LKWoJm7ccj/qoEoSrH9RJ3OIunJ:uHSgL28pErH9RJjQJ

Score

10^/10

remcos host discovery rat

Malware Config

Extracted

Family

remcos

Botnet

Host

fnbabsa.net:3366

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
Rmc-0MSACQ
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

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1792 created 3508	1792	ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe	56

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1792 set thread context of 3504	1792	ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe	88

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 3 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	ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4948	powershell.exe
4948	powershell.exe
1792	ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3504	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1792	ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe
Token: SeDebugPrivilege	4948	powershell.exe
Token: SeDebugPrivilege	1792	ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3504	InstallUtil.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 4948	1792	ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe	86
PID 1792 wrote to memory of 4948	1792	ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe	86
PID 1792 wrote to memory of 4948	1792	ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe	86
PID 1792 wrote to memory of 3504	1792	ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe	88
PID 1792 wrote to memory of 3504	1792	ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe	88
PID 1792 wrote to memory of 3504	1792	ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe	88
PID 1792 wrote to memory of 3504	1792	ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe	88
PID 1792 wrote to memory of 3504	1792	ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe	88
PID 1792 wrote to memory of 3504	1792	ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe	88
PID 1792 wrote to memory of 3504	1792	ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe	88
PID 1792 wrote to memory of 3504	1792	ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe	88
PID 1792 wrote to memory of 3504	1792	ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe	88
PID 1792 wrote to memory of 3504	1792	ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe	88
PID 1792 wrote to memory of 3504	1792	ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe	88
PID 1792 wrote to memory of 3504	1792	ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe	88

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3508
- C:\Users\Admin\AppData\Local\Temp\ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe
  "C:\Users\Admin\AppData\Local\Temp\ae724f16e8ec11a0d12439ffe18032ae2cbd388d419475f77be39fe9c4045a97.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1792
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc 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
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4948
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:3504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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\remcos\logs.dat

Filesize
144B

MD5
3e3d9bd2197dc1fc2b0f85e9eeb74518

SHA1
8ef50418b9980f3647f69971b1d7dd558b8676ee

SHA256
bc3216102885f0b5014b49e99eb76b763333b898bb3877cd82117d335a810e2a

SHA512
9553da63d19aa8707a32b26efe1f4d98b3cc9ced7ef814ef230074e7d7e6cfb7803d9a493343d59bfc65eee62b0367dc456e4bb25144ae7396279e4d513b74db

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0cvih2rx.lgz.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1792-1078-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/1792-30-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-6-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-8-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-10-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-4-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-3-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-13-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-58-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-66-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-64-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-62-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-60-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-56-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-54-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-52-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-50-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-48-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-46-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-44-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-42-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-41-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-38-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-36-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-34-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-1085-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/1792-28-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-26-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-24-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-20-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-18-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-16-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-14-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-32-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-22-0x0000000004D20000-0x0000000004E38000-memory.dmp

Filesize
1.1MB

Download
memory/1792-1077-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/1792-1-0x00000000002A0000-0x00000000003CE000-memory.dmp

Filesize
1.2MB

Download
memory/1792-1079-0x0000000004F60000-0x0000000004FF8000-memory.dmp

Filesize
608KB

Download
memory/1792-0-0x000000007503E000-0x000000007503F000-memory.dmp

Filesize
4KB

Download
memory/1792-1080-0x0000000004EF0000-0x0000000004F3C000-memory.dmp

Filesize
304KB

Download
memory/1792-2-0x0000000004D20000-0x0000000004E3E000-memory.dmp

Filesize
1.1MB

Download
memory/1792-1086-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/1792-1107-0x000000007503E000-0x000000007503F000-memory.dmp

Filesize
4KB

Download
memory/1792-1135-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/1792-1137-0x0000000005220000-0x0000000005274000-memory.dmp

Filesize
336KB

Download
memory/1792-1136-0x0000000006500000-0x0000000006AA4000-memory.dmp

Filesize
5.6MB

Download
memory/1792-1146-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/1792-1084-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/3504-1141-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3504-1169-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4948-1090-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/4948-1121-0x0000000007450000-0x00000000074F3000-memory.dmp

Filesize
652KB

Download
memory/4948-1089-0x0000000005450000-0x0000000005A78000-memory.dmp

Filesize
6.2MB

Download
memory/4948-1092-0x0000000005AF0000-0x0000000005B56000-memory.dmp

Filesize
408KB

Download
memory/4948-1104-0x0000000005D80000-0x00000000060D4000-memory.dmp

Filesize
3.3MB

Download
memory/4948-1105-0x0000000006240000-0x000000000625E000-memory.dmp

Filesize
120KB

Download
memory/4948-1106-0x0000000006280000-0x00000000062CC000-memory.dmp

Filesize
304KB

Download
memory/4948-1109-0x00000000705E0000-0x000000007062C000-memory.dmp

Filesize
304KB

Download
memory/4948-1108-0x0000000007210000-0x0000000007242000-memory.dmp

Filesize
200KB

Download
memory/4948-1120-0x00000000071D0000-0x00000000071EE000-memory.dmp

Filesize
120KB

Download
memory/4948-1119-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/4948-1134-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/4948-1094-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/4948-1093-0x0000000005C10000-0x0000000005C76000-memory.dmp

Filesize
408KB

Download
memory/4948-1087-0x0000000002CB0000-0x0000000002CE6000-memory.dmp

Filesize
216KB

Download
memory/4948-1088-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/4948-1126-0x00000000077F0000-0x0000000007886000-memory.dmp

Filesize
600KB

Download
memory/4948-1127-0x0000000007770000-0x0000000007781000-memory.dmp

Filesize
68KB

Download
memory/4948-1128-0x00000000077A0000-0x00000000077AE000-memory.dmp

Filesize
56KB

Download
memory/4948-1129-0x00000000077B0000-0x00000000077C4000-memory.dmp

Filesize
80KB

Download
memory/4948-1091-0x0000000005380000-0x00000000053A2000-memory.dmp

Filesize
136KB

Download
memory/4948-1123-0x0000000007BC0000-0x000000000823A000-memory.dmp

Filesize
6.5MB

Download
memory/4948-1122-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/4948-1125-0x00000000075E0000-0x00000000075EA000-memory.dmp

Filesize
40KB

Download
memory/4948-1130-0x00000000078B0000-0x00000000078CA000-memory.dmp

Filesize
104KB

Download
memory/4948-1131-0x0000000007890000-0x0000000007898000-memory.dmp

Filesize
32KB

Download
memory/4948-1124-0x0000000007570000-0x000000000758A000-memory.dmp

Filesize
104KB

Download