remcos | 866de3bdc1cc207c818212511641cdf5e6220f304619a26b5e9cb2d2b9c8a309

Analysis

max time kernel
149s
max time network
142s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
21/05/2024, 01:15

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General

Target

DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe
Size

996KB
MD5

3112375e035766a604350754d20460dd
SHA1

6f8377e4b95fd9f5af3921616410b2c986dfb8ba
SHA256

866de3bdc1cc207c818212511641cdf5e6220f304619a26b5e9cb2d2b9c8a309
SHA512

6a7186b4b76575a51374fadd1120163e47d0bb21d8dfc000893f91a57e7f3487f68338de651bb21a78cd8ef6e5581c2d6b2d7c5c7b0f188071a8f1f70d0b1258
SSDEEP

24576:wn698VVYl6Jic3uH34B+HH5U3F7+IYz8pLjG0:H9SBx3uX4Q5U3pnYO/G0

Score

10^/10

remcos remotehost collection 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
Microsoft .exe
copy_folder
Microsoft
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
Microsoft -QUCX7D
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/2568-45-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2568-43-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2568-54-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/2480-40-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2480-44-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2480-52-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 7 IoCs

resource	yara_rule
behavioral1/memory/2480-40-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2568-45-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/2480-44-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2568-43-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/2740-47-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2480-52-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2568-54-0x0000000000400000-0x0000000000462000-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

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	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2360 set thread context of 2540	2360	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	29
PID 2540 set thread context of 2480	2540	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	32
PID 2540 set thread context of 2568	2540	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	33
PID 2540 set thread context of 2740	2540	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	34

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2360	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe
2480	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe
2480	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2540	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe
2540	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe
2540	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2360	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe
Token: SeDebugPrivilege	2740	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2996	2360	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	28
PID 2360 wrote to memory of 2996	2360	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	28
PID 2360 wrote to memory of 2996	2360	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	28
PID 2360 wrote to memory of 2996	2360	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	28
PID 2360 wrote to memory of 2540	2360	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	29
PID 2360 wrote to memory of 2540	2360	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	29
PID 2360 wrote to memory of 2540	2360	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	29
PID 2360 wrote to memory of 2540	2360	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	29
PID 2360 wrote to memory of 2540	2360	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	29
PID 2360 wrote to memory of 2540	2360	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	29
PID 2360 wrote to memory of 2540	2360	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	29
PID 2360 wrote to memory of 2540	2360	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	29
PID 2360 wrote to memory of 2540	2360	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	29
PID 2360 wrote to memory of 2540	2360	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	29
PID 2360 wrote to memory of 2540	2360	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	29
PID 2360 wrote to memory of 2540	2360	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	29
PID 2360 wrote to memory of 2540	2360	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	29
PID 2540 wrote to memory of 2480	2540	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	32
PID 2540 wrote to memory of 2480	2540	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	32
PID 2540 wrote to memory of 2480	2540	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	32
PID 2540 wrote to memory of 2480	2540	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	32
PID 2540 wrote to memory of 2480	2540	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	32
PID 2540 wrote to memory of 2568	2540	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	33
PID 2540 wrote to memory of 2568	2540	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	33
PID 2540 wrote to memory of 2568	2540	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	33
PID 2540 wrote to memory of 2568	2540	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	33
PID 2540 wrote to memory of 2568	2540	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	33
PID 2540 wrote to memory of 2740	2540	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	34
PID 2540 wrote to memory of 2740	2540	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	34
PID 2540 wrote to memory of 2740	2540	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	34
PID 2540 wrote to memory of 2740	2540	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	34
PID 2540 wrote to memory of 2740	2540	DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe	34

C:\Users\Admin\AppData\Local\Temp\DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe
"C:\Users\Admin\AppData\Local\Temp\DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Users\Admin\AppData\Local\Temp\DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe
  "C:\Users\Admin\AppData\Local\Temp\DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe"
  2⤵
  PID:2996
- C:\Users\Admin\AppData\Local\Temp\DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe
  "C:\Users\Admin\AppData\Local\Temp\DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Users\Admin\AppData\Local\Temp\DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\msncswffzlscho"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:2480
- - C:\Users\Admin\AppData\Local\Temp\DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\pmantoqhvtkpjurfa"
    3⤵
    - Accesses Microsoft Outlook accounts
    PID:2568
- - C:\Users\Admin\AppData\Local\Temp\DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\zgfguhbajbcutanjjavxu"
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2740

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:\Users\Admin\AppData\Local\Temp\msncswffzlscho

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/2360-6-0x0000000005BC0000-0x0000000005C80000-memory.dmp

Filesize
768KB

Download
memory/2360-2-0x0000000074AA0000-0x000000007518E000-memory.dmp

Filesize
6.9MB

Download
memory/2360-3-0x00000000002E0000-0x0000000000302000-memory.dmp

Filesize
136KB

Download
memory/2360-4-0x00000000002A0000-0x00000000002AC000-memory.dmp

Filesize
48KB

Download
memory/2360-5-0x0000000000300000-0x0000000000310000-memory.dmp

Filesize
64KB

Download
memory/2360-18-0x0000000074AA0000-0x000000007518E000-memory.dmp

Filesize
6.9MB

Download
memory/2360-0-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

Filesize
4KB

Download
memory/2360-1-0x0000000001040000-0x000000000113C000-memory.dmp

Filesize
1008KB

Download
memory/2480-52-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2480-33-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2480-34-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2480-44-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2480-40-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2540-59-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2540-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-70-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2540-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-55-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2540-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-58-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2540-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2540-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2568-54-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2568-39-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2568-43-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2568-45-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2568-37-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2568-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-47-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2740-46-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2740-42-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download