remcos | b29733bbb2375bdea62b30adc83fb67bdb148b4c27bda373d4ddbf69dfca0ff7

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 12:12

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General

Target

c5d83978e778e5917e5c899e150c0348.exe
Size

420KB
MD5

c5d83978e778e5917e5c899e150c0348
SHA1

8a4c39d05620ab38ca0137764c5ba1f0ba84cf4d
SHA256

b29733bbb2375bdea62b30adc83fb67bdb148b4c27bda373d4ddbf69dfca0ff7
SHA512

1fcad7f731906f2ff19632ad5f5f01cbd48765a5b6c4548e8973ba4668a122f4ec291acc36821bf042d19662f172dff316110c955d18a4c2cd1c9996e65b64c8
SSDEEP

6144:f9g5p/aJJL7XJAnY7jioSgBK0Ru115xTcYeEknZJJAVAec:fgUJHX+nOjhBq1j2AWn

Score

10^/10

remcos buddy agilenet persistence rat

Malware Config

Extracted

Family

remcos

Version

2.5.0 Pro

Botnet

Buddy

eastsidepapi.myq-see.com:6996

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
Buddy.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
Buddy-PVO134
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Buddy
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

Executes dropped EXE 2 IoCs

pid	Process
2936	ftermgr.exe
1176	ftermgr.exe

Obfuscated with Agile.Net obfuscator 4 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

resource	yara_rule
behavioral2/memory/2340-2-0x0000000002A10000-0x0000000002A26000-memory.dmp	agile_net
behavioral2/memory/2340-11-0x00000000050D0000-0x00000000050E0000-memory.dmp	agile_net
behavioral2/memory/2936-45-0x0000000001290000-0x00000000012A6000-memory.dmp	agile_net
behavioral2/memory/2936-50-0x0000000005140000-0x0000000005150000-memory.dmp	agile_net

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\progmfil = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Local\\ftermgr.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2936 set thread context of 1176	2936	ftermgr.exe	117

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2468	2936	WerFault.exe	115

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2340	c5d83978e778e5917e5c899e150c0348.exe
2340	c5d83978e778e5917e5c899e150c0348.exe
2340	c5d83978e778e5917e5c899e150c0348.exe
2340	c5d83978e778e5917e5c899e150c0348.exe
2340	c5d83978e778e5917e5c899e150c0348.exe
2340	c5d83978e778e5917e5c899e150c0348.exe
2340	c5d83978e778e5917e5c899e150c0348.exe
2340	c5d83978e778e5917e5c899e150c0348.exe
2340	c5d83978e778e5917e5c899e150c0348.exe
2340	c5d83978e778e5917e5c899e150c0348.exe
2340	c5d83978e778e5917e5c899e150c0348.exe
2340	c5d83978e778e5917e5c899e150c0348.exe
2340	c5d83978e778e5917e5c899e150c0348.exe
2340	c5d83978e778e5917e5c899e150c0348.exe
2340	c5d83978e778e5917e5c899e150c0348.exe
2340	c5d83978e778e5917e5c899e150c0348.exe
2340	c5d83978e778e5917e5c899e150c0348.exe
2340	c5d83978e778e5917e5c899e150c0348.exe
2340	c5d83978e778e5917e5c899e150c0348.exe
2340	c5d83978e778e5917e5c899e150c0348.exe
2340	c5d83978e778e5917e5c899e150c0348.exe
2340	c5d83978e778e5917e5c899e150c0348.exe
2340	c5d83978e778e5917e5c899e150c0348.exe
4868	powershell.exe
4868	powershell.exe
4868	powershell.exe
2936	ftermgr.exe
2936	ftermgr.exe
2936	ftermgr.exe
2936	ftermgr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2340	c5d83978e778e5917e5c899e150c0348.exe
Token: SeDebugPrivilege	4868	powershell.exe
Token: SeDebugPrivilege	2936	ftermgr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1176	ftermgr.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 388	2340	c5d83978e778e5917e5c899e150c0348.exe	105
PID 2340 wrote to memory of 388	2340	c5d83978e778e5917e5c899e150c0348.exe	105
PID 2340 wrote to memory of 388	2340	c5d83978e778e5917e5c899e150c0348.exe	105
PID 388 wrote to memory of 1808	388	cmd.exe	107
PID 388 wrote to memory of 1808	388	cmd.exe	107
PID 388 wrote to memory of 1808	388	cmd.exe	107
PID 2340 wrote to memory of 4868	2340	c5d83978e778e5917e5c899e150c0348.exe	112
PID 2340 wrote to memory of 4868	2340	c5d83978e778e5917e5c899e150c0348.exe	112
PID 2340 wrote to memory of 4868	2340	c5d83978e778e5917e5c899e150c0348.exe	112
PID 4868 wrote to memory of 2936	4868	powershell.exe	115
PID 4868 wrote to memory of 2936	4868	powershell.exe	115
PID 4868 wrote to memory of 2936	4868	powershell.exe	115
PID 2936 wrote to memory of 1176	2936	ftermgr.exe	117
PID 2936 wrote to memory of 1176	2936	ftermgr.exe	117
PID 2936 wrote to memory of 1176	2936	ftermgr.exe	117
PID 2936 wrote to memory of 1176	2936	ftermgr.exe	117
PID 2936 wrote to memory of 1176	2936	ftermgr.exe	117
PID 2936 wrote to memory of 1176	2936	ftermgr.exe	117
PID 2936 wrote to memory of 1176	2936	ftermgr.exe	117
PID 2936 wrote to memory of 1176	2936	ftermgr.exe	117
PID 2936 wrote to memory of 1176	2936	ftermgr.exe	117
PID 2936 wrote to memory of 1176	2936	ftermgr.exe	117

C:\Users\Admin\AppData\Local\Temp\c5d83978e778e5917e5c899e150c0348.exe
"C:\Users\Admin\AppData\Local\Temp\c5d83978e778e5917e5c899e150c0348.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v progmfil /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Local\ftermgr.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:388
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v progmfil /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Local\ftermgr.exe"
    3⤵
    - Adds Run key to start application
    PID:1808
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process C:\Users\Admin\AppData\Local\ftermgr.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4868
- - C:\Users\Admin\AppData\Local\ftermgr.exe
    "C:\Users\Admin\AppData\Local\ftermgr.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2936
  - - C:\Users\Admin\AppData\Local\ftermgr.exe
      "C:\Users\Admin\AppData\Local\ftermgr.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetWindowsHookEx
      PID:1176
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 1480
      4⤵
      Program crash
      PID:2468

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4048 --field-trial-handle=2432,i,12161922670941700748,3348345705955601576,262144 --variations-seed-version /prefetch:8
1⤵
PID:4872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2936 -ip 2936
1⤵
PID:3596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_40xwd4tn.mqj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\ftermgr.exe

Filesize
420KB

MD5
c5d83978e778e5917e5c899e150c0348

SHA1
8a4c39d05620ab38ca0137764c5ba1f0ba84cf4d

SHA256
b29733bbb2375bdea62b30adc83fb67bdb148b4c27bda373d4ddbf69dfca0ff7

SHA512
1fcad7f731906f2ff19632ad5f5f01cbd48765a5b6c4548e8973ba4668a122f4ec291acc36821bf042d19662f172dff316110c955d18a4c2cd1c9996e65b64c8

Download Submit
memory/1176-64-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1176-53-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1176-56-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1176-57-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1176-59-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1176-60-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2340-5-0x00000000050B0000-0x00000000050B8000-memory.dmp

Filesize
32KB

Download
memory/2340-8-0x0000000005BD0000-0x0000000005BD8000-memory.dmp

Filesize
32KB

Download
memory/2340-10-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/2340-11-0x00000000050D0000-0x00000000050E0000-memory.dmp

Filesize
64KB

Download
memory/2340-12-0x0000000005C00000-0x0000000005C08000-memory.dmp

Filesize
32KB

Download
memory/2340-14-0x00000000050D0000-0x00000000050E0000-memory.dmp

Filesize
64KB

Download
memory/2340-16-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/2340-9-0x0000000006200000-0x0000000006244000-memory.dmp

Filesize
272KB

Download
memory/2340-7-0x00000000050D0000-0x00000000050E0000-memory.dmp

Filesize
64KB

Download
memory/2340-6-0x0000000005790000-0x0000000005822000-memory.dmp

Filesize
584KB

Download
memory/2340-4-0x0000000005C50000-0x00000000061F4000-memory.dmp

Filesize
5.6MB

Download
memory/2340-3-0x00000000050D0000-0x00000000050E0000-memory.dmp

Filesize
64KB

Download
memory/2340-2-0x0000000002A10000-0x0000000002A26000-memory.dmp

Filesize
88KB

Download
memory/2340-1-0x0000000000420000-0x0000000000490000-memory.dmp

Filesize
448KB

Download
memory/2340-0-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/2936-61-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/2936-52-0x0000000005140000-0x0000000005150000-memory.dmp

Filesize
64KB

Download
memory/2936-51-0x0000000005F00000-0x0000000005F0A000-memory.dmp

Filesize
40KB

Download
memory/2936-50-0x0000000005140000-0x0000000005150000-memory.dmp

Filesize
64KB

Download
memory/2936-49-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/2936-48-0x0000000005140000-0x0000000005150000-memory.dmp

Filesize
64KB

Download
memory/2936-47-0x0000000005140000-0x0000000005150000-memory.dmp

Filesize
64KB

Download
memory/2936-42-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/2936-45-0x0000000001290000-0x00000000012A6000-memory.dmp

Filesize
88KB

Download
memory/4868-24-0x0000000005E80000-0x0000000005EE6000-memory.dmp

Filesize
408KB

Download
memory/4868-46-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/4868-38-0x00000000069E0000-0x00000000069FA000-memory.dmp

Filesize
104KB

Download
memory/4868-39-0x0000000006A30000-0x0000000006A52000-memory.dmp

Filesize
136KB

Download
memory/4868-37-0x0000000006A60000-0x0000000006AF6000-memory.dmp

Filesize
600KB

Download
memory/4868-36-0x0000000006530000-0x000000000657C000-memory.dmp

Filesize
304KB

Download
memory/4868-35-0x00000000064F0000-0x000000000650E000-memory.dmp

Filesize
120KB

Download
memory/4868-34-0x0000000005FF0000-0x0000000006344000-memory.dmp

Filesize
3.3MB

Download
memory/4868-23-0x0000000005E10000-0x0000000005E76000-memory.dmp

Filesize
408KB

Download
memory/4868-22-0x0000000005510000-0x0000000005532000-memory.dmp

Filesize
136KB

Download
memory/4868-21-0x0000000005630000-0x0000000005C58000-memory.dmp

Filesize
6.2MB

Download
memory/4868-20-0x0000000002C70000-0x0000000002C80000-memory.dmp

Filesize
64KB

Download
memory/4868-19-0x0000000002C70000-0x0000000002C80000-memory.dmp

Filesize
64KB

Download
memory/4868-17-0x0000000002BB0000-0x0000000002BE6000-memory.dmp

Filesize
216KB

Download
memory/4868-18-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download