remcos | 0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433

Analysis

max time kernel
147s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2024 06:06

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General

Target

0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe
Size

940KB
MD5

77372096fcdd78300c5cdc1baa95004b
SHA1

93b4aaa039f65f2780cf177f2554ca9e4be809be
SHA256

0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433
SHA512

af8ecb2971e9dcec6b9052e8f91e06362b0c952a4bfa7707b8ef593fc44ec6641d69ac6b0f15f9911cc8667caf945a1e5420e2510ea7d73a393d791c6fdcd9f9
SSDEEP

12288:2nCTYl8XTvggoho/kRgyfmbQ6VV9Q1WzgN/OO6uuSKOMP3t06I4iM8mNiXpveoD2:7gYTIPokubh9XzduwxPd0qDIXpJ9E

Score

10^/10

remcos remotehost collection discovery persistence rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

104.250.180.178:7902

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
Adobe.exe
copy_folder
Adobe
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
true
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Adobe-7P3KE1
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

Detected Nirsoft tools 3 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

resource	yara_rule
behavioral2/memory/3308-61-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/1068-57-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/2188-56-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

NirSoft MailPassView 1 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/1068-57-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 1 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/2188-56-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe

Executes dropped EXE 7 IoCs

pid	Process
2708	Adobe.exe
3216	Adobe.exe
2680	Adobe.exe
672	Adobe.exe
2188	Adobe.exe
1068	Adobe.exe
3308	Adobe.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	Adobe.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Adobe-7P3KE1 = "\"C:\\ProgramData\\Adobe\\Adobe.exe\""	0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Adobe-7P3KE1 = "\"C:\\ProgramData\\Adobe\\Adobe.exe\""	0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Adobe-7P3KE1 = "\"C:\\ProgramData\\Adobe\\Adobe.exe\""	Adobe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Adobe-7P3KE1 = "\"C:\\ProgramData\\Adobe\\Adobe.exe\""	Adobe.exe

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 1808 set thread context of 1124	1808	0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe	86
PID 2708 set thread context of 3216	2708	Adobe.exe	88
PID 3216 set thread context of 2188	3216	Adobe.exe	95
PID 3216 set thread context of 1068	3216	Adobe.exe	97
PID 3216 set thread context of 3308	3216	Adobe.exe	98

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 7 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	Adobe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Adobe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Adobe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Adobe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Adobe.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2188	Adobe.exe
2188	Adobe.exe
3308	Adobe.exe
3308	Adobe.exe
2188	Adobe.exe
2188	Adobe.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3216	Adobe.exe
3216	Adobe.exe
3216	Adobe.exe
3216	Adobe.exe
3216	Adobe.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3308	Adobe.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 1124	1808	0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe	86
PID 1808 wrote to memory of 1124	1808	0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe	86
PID 1808 wrote to memory of 1124	1808	0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe	86
PID 1808 wrote to memory of 1124	1808	0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe	86
PID 1808 wrote to memory of 1124	1808	0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe	86
PID 1808 wrote to memory of 1124	1808	0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe	86
PID 1808 wrote to memory of 1124	1808	0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe	86
PID 1808 wrote to memory of 1124	1808	0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe	86
PID 1808 wrote to memory of 1124	1808	0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe	86
PID 1808 wrote to memory of 1124	1808	0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe	86
PID 1808 wrote to memory of 1124	1808	0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe	86
PID 1808 wrote to memory of 1124	1808	0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe	86
PID 1124 wrote to memory of 2708	1124	0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe	87
PID 1124 wrote to memory of 2708	1124	0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe	87
PID 1124 wrote to memory of 2708	1124	0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe	87
PID 2708 wrote to memory of 3216	2708	Adobe.exe	88
PID 2708 wrote to memory of 3216	2708	Adobe.exe	88
PID 2708 wrote to memory of 3216	2708	Adobe.exe	88
PID 2708 wrote to memory of 3216	2708	Adobe.exe	88
PID 2708 wrote to memory of 3216	2708	Adobe.exe	88
PID 2708 wrote to memory of 3216	2708	Adobe.exe	88
PID 2708 wrote to memory of 3216	2708	Adobe.exe	88
PID 2708 wrote to memory of 3216	2708	Adobe.exe	88
PID 2708 wrote to memory of 3216	2708	Adobe.exe	88
PID 2708 wrote to memory of 3216	2708	Adobe.exe	88
PID 2708 wrote to memory of 3216	2708	Adobe.exe	88
PID 2708 wrote to memory of 3216	2708	Adobe.exe	88
PID 3216 wrote to memory of 2680	3216	Adobe.exe	94
PID 3216 wrote to memory of 2680	3216	Adobe.exe	94
PID 3216 wrote to memory of 2680	3216	Adobe.exe	94
PID 3216 wrote to memory of 2188	3216	Adobe.exe	95
PID 3216 wrote to memory of 2188	3216	Adobe.exe	95
PID 3216 wrote to memory of 2188	3216	Adobe.exe	95
PID 3216 wrote to memory of 2188	3216	Adobe.exe	95
PID 3216 wrote to memory of 672	3216	Adobe.exe	96
PID 3216 wrote to memory of 672	3216	Adobe.exe	96
PID 3216 wrote to memory of 672	3216	Adobe.exe	96
PID 3216 wrote to memory of 1068	3216	Adobe.exe	97
PID 3216 wrote to memory of 1068	3216	Adobe.exe	97
PID 3216 wrote to memory of 1068	3216	Adobe.exe	97
PID 3216 wrote to memory of 1068	3216	Adobe.exe	97
PID 3216 wrote to memory of 3308	3216	Adobe.exe	98
PID 3216 wrote to memory of 3308	3216	Adobe.exe	98
PID 3216 wrote to memory of 3308	3216	Adobe.exe	98
PID 3216 wrote to memory of 3308	3216	Adobe.exe	98

C:\Users\Admin\AppData\Local\Temp\0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe
"C:\Users\Admin\AppData\Local\Temp\0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1808
- C:\Users\Admin\AppData\Local\Temp\0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe
  "C:\Users\Admin\AppData\Local\Temp\0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1124
- - C:\ProgramData\Adobe\Adobe.exe
    "C:\ProgramData\Adobe\Adobe.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2708
  - - C:\ProgramData\Adobe\Adobe.exe
      "C:\ProgramData\Adobe\Adobe.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: MapViewOfSection
      Suspicious use of WriteProcessMemory
      PID:3216
    - - C:\ProgramData\Adobe\Adobe.exe
        
        C:\ProgramData\Adobe\Adobe.exe /stext "C:\Users\Admin\AppData\Local\Temp\tjailrzngogauw"
        5⤵
        Executes dropped EXE
        
        PID:2680
    - - C:\ProgramData\Adobe\Adobe.exe
        
        C:\ProgramData\Adobe\Adobe.exe /stext "C:\Users\Admin\AppData\Local\Temp\tjailrzngogauw"
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        
        PID:2188
    - - C:\ProgramData\Adobe\Adobe.exe
        
        C:\ProgramData\Adobe\Adobe.exe /stext "C:\Users\Admin\AppData\Local\Temp\degbmjjhuwyfflxxn"
        5⤵
        Executes dropped EXE
        
        PID:672
    - - C:\ProgramData\Adobe\Adobe.exe
        
        C:\ProgramData\Adobe\Adobe.exe /stext "C:\Users\Admin\AppData\Local\Temp\degbmjjhuwyfflxxn"
        5⤵
        Executes dropped EXE
        Accesses Microsoft Outlook accounts
        System Location Discovery: System Language Discovery
        
        PID:1068
    - - C:\ProgramData\Adobe\Adobe.exe
        
        C:\ProgramData\Adobe\Adobe.exe /stext "C:\Users\Admin\AppData\Local\Temp\fgllncuiqeqshrlbeynf"
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3308

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Adobe\Adobe.exe

Filesize
940KB

MD5
77372096fcdd78300c5cdc1baa95004b

SHA1
93b4aaa039f65f2780cf177f2554ca9e4be809be

SHA256
0d89ebfc019f155ecbb5f5fb49dc172741f17de763013f2abb39b9ee3d5cc433

SHA512
af8ecb2971e9dcec6b9052e8f91e06362b0c952a4bfa7707b8ef593fc44ec6641d69ac6b0f15f9911cc8667caf945a1e5420e2510ea7d73a393d791c6fdcd9f9

Download Submit
C:\Users\Admin\AppData\Local\Temp\tjailrzngogauw

Filesize
4KB

MD5
79f35c7500a5cc739c1974804710441f

SHA1
24fdf1fa45049fc1a83925c45357bc3058bad060

SHA256
897101ed9da25ab0f10e8ad1aeb8dabc3282ccfdb6d3171dbac758117b8731f4

SHA512
03281e8abecff4e7d1f563596a4fd2513e016b7fbf011a455141460f9448d00b4a4666d2036cb448a8ac9a6feebeb51b366289ffa2ee5524a062fe8869aec61e

Download Submit
memory/1068-52-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1068-55-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1068-57-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1124-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1124-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1124-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1124-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1124-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1808-3-0x0000000004F50000-0x0000000004FE2000-memory.dmp

Filesize
584KB

Download
memory/1808-4-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/1808-9-0x0000000007980000-0x0000000007A40000-memory.dmp

Filesize
768KB

Download
memory/1808-1-0x0000000000480000-0x0000000000572000-memory.dmp

Filesize
968KB

Download
memory/1808-8-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/1808-5-0x0000000005020000-0x000000000502A000-memory.dmp

Filesize
40KB

Download
memory/1808-24-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/1808-7-0x00000000748EE000-0x00000000748EF000-memory.dmp

Filesize
4KB

Download
memory/1808-10-0x000000000A160000-0x000000000A1FC000-memory.dmp

Filesize
624KB

Download
memory/1808-2-0x00000000055B0000-0x0000000005B54000-memory.dmp

Filesize
5.6MB

Download
memory/1808-6-0x0000000005550000-0x0000000005568000-memory.dmp

Filesize
96KB

Download
memory/1808-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

Filesize
4KB

Download
memory/2188-49-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2188-56-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2188-54-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2708-32-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/2708-29-0x000000007453E000-0x000000007453F000-memory.dmp

Filesize
4KB

Download
memory/2708-31-0x000000007453E000-0x000000007453F000-memory.dmp

Filesize
4KB

Download
memory/2708-30-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/2708-39-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/3216-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3216-72-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3216-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3216-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3216-77-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3216-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3216-76-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3216-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3216-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3216-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3216-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3216-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3216-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3216-67-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3216-71-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3216-70-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3216-78-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3216-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3216-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3216-75-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3308-58-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3308-60-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3308-61-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download