remcos | 234887d5171b1fc8f3c4c4ac9ed54679adeadf5e8b488f791f90c8c3dca8d2f9

Analysis

max time kernel
147s
max time network
144s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
17/04/2024, 14:38

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General

Target

de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe
Size

233KB
MD5

c8b5bcc79120a06f16b69bcef71324ac
SHA1

75acf6d77851efc30a181ad9a78334b7c272705a
SHA256

de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252
SHA512

e8e842e78ae6ae6a395a3c30f2ae043fc33762d0ac13df6ad333dbf1c28345ca79c7c5af5f9a33e134c13db9368a4b65a3a229c3189608b05e02402632bd5a7c
SSDEEP

6144:tmvl3n8iOiB4RBucKa3h80tK2gBWvADGGw6j1:8vlX8i8RB5JvADGGnj

Score

10^/10

remcos richard6474646 collection rat spyware stealer upx

Malware Config

Extracted

Family

remcos

Botnet

richard6474646

money001.duckdns.org:9596

salwanazeeze.duckdns.org:9595

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
windows.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
mouse_option
false
mutex
Rmc-UMF99C
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

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/2548-22-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2548-26-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2548-43-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/2656-19-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2656-23-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2656-32-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 9 IoCs

resource	yara_rule
behavioral1/memory/2364-21-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2656-19-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2548-22-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/2548-26-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/2656-23-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2364-25-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2364-16-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2656-32-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2548-43-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft

Reads user/profile data of web browsers 2 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

UPX packed file 16 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/3068-0-0x0000000000400000-0x000000000048A000-memory.dmp	upx
behavioral1/memory/3068-35-0x0000000000400000-0x000000000048A000-memory.dmp	upx
behavioral1/memory/3068-45-0x0000000000400000-0x000000000048A000-memory.dmp	upx
behavioral1/memory/3068-47-0x0000000000400000-0x000000000048A000-memory.dmp	upx
behavioral1/memory/3068-51-0x0000000000400000-0x000000000048A000-memory.dmp	upx
behavioral1/memory/3068-55-0x0000000000400000-0x000000000048A000-memory.dmp	upx
behavioral1/memory/3068-58-0x0000000000400000-0x000000000048A000-memory.dmp	upx
behavioral1/memory/3068-61-0x0000000000400000-0x000000000048A000-memory.dmp	upx
behavioral1/memory/3068-63-0x0000000000400000-0x000000000048A000-memory.dmp	upx
behavioral1/memory/3068-67-0x0000000000400000-0x000000000048A000-memory.dmp	upx
behavioral1/memory/3068-70-0x0000000000400000-0x000000000048A000-memory.dmp	upx
behavioral1/memory/3068-73-0x0000000000400000-0x000000000048A000-memory.dmp	upx
behavioral1/memory/3068-76-0x0000000000400000-0x000000000048A000-memory.dmp	upx
behavioral1/memory/3068-79-0x0000000000400000-0x000000000048A000-memory.dmp	upx
behavioral1/memory/3068-82-0x0000000000400000-0x000000000048A000-memory.dmp	upx
behavioral1/memory/3068-84-0x0000000000400000-0x000000000048A000-memory.dmp	upx

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3068 set thread context of 2656	3068	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe	29
PID 3068 set thread context of 2548	3068	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe	30
PID 3068 set thread context of 2364	3068	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe	31

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2656	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe
2656	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
3068	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe
3068	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe
3068	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2364	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3068	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 2656	3068	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe	29
PID 3068 wrote to memory of 2656	3068	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe	29
PID 3068 wrote to memory of 2656	3068	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe	29
PID 3068 wrote to memory of 2656	3068	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe	29
PID 3068 wrote to memory of 2548	3068	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe	30
PID 3068 wrote to memory of 2548	3068	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe	30
PID 3068 wrote to memory of 2548	3068	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe	30
PID 3068 wrote to memory of 2548	3068	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe	30
PID 3068 wrote to memory of 2364	3068	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe	31
PID 3068 wrote to memory of 2364	3068	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe	31
PID 3068 wrote to memory of 2364	3068	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe	31
PID 3068 wrote to memory of 2364	3068	de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe	31

C:\Users\Admin\AppData\Local\Temp\de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe
"C:\Users\Admin\AppData\Local\Temp\de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Users\Admin\AppData\Local\Temp\de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe
  C:\Users\Admin\AppData\Local\Temp\de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe /stext "C:\Users\Admin\AppData\Local\Temp\psamsmckyndwwqcguhpm"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2656
- C:\Users\Admin\AppData\Local\Temp\de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe
  C:\Users\Admin\AppData\Local\Temp\de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe /stext "C:\Users\Admin\AppData\Local\Temp\zmfwtfvemvvjheykdkcnqvpf"
  2⤵
  - Accesses Microsoft Outlook accounts
  PID:2548
- C:\Users\Admin\AppData\Local\Temp\de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe
  C:\Users\Admin\AppData\Local\Temp\de4f901137b60be1b2c0155595baa77837d7325736cc1d4910536cd32cf58252.exe /stext "C:\Users\Admin\AppData\Local\Temp\cokpuxgfidnojknouuphtijwyys"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2364

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

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\remcos\logs.dat

Filesize
144B

MD5
2efa3b69f0ee81d8927ea57e8efbe69e

SHA1
a870a6fa5966ac6b638cd711f684b6df2eed8612

SHA256
675c38fa6eca733f5ad305ea2eaba99e835c6815078626e153c212dd7d11a582

SHA512
29d285faf7cfa9450de88d0ea9077bd9d93c0a955949e954670cd5cd967c52d35dcfd5c96221e777806640589f736a6d55e67ac7e3d9ba70ac7442de7fff48c3

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

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/2364-25-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2364-9-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2364-12-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2364-21-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2364-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2548-6-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2548-43-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2548-20-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2548-22-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2548-26-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2656-19-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2656-23-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2656-17-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2656-11-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2656-32-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2656-4-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3068-35-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/3068-52-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3068-0-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/3068-36-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3068-39-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3068-40-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3068-41-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3068-14-0x0000000003F80000-0x000000000400A000-memory.dmp

Filesize
552KB

Download
memory/3068-45-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/3068-13-0x0000000003F80000-0x000000000400A000-memory.dmp

Filesize
552KB

Download
memory/3068-47-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/3068-48-0x0000000003F00000-0x0000000003F8A000-memory.dmp

Filesize
552KB

Download
memory/3068-51-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/3068-7-0x0000000003F00000-0x0000000003F8A000-memory.dmp

Filesize
552KB

Download
memory/3068-55-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/3068-58-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/3068-61-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/3068-63-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/3068-67-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/3068-70-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/3068-73-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/3068-76-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/3068-79-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/3068-82-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/3068-84-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download