remcos | fcbf9204afb907fb4318b5929291b9a52a4ad4ed3961d4061d7e295755b97b9f

General

Target

HJCB_AGJ.exe
Size

400.0MB
MD5

826397fd173b32f46014457cf54e3d96
SHA1

b9dfa605d72120670b3c765d1d025eb30dcba5d1
SHA256

fcbf9204afb907fb4318b5929291b9a52a4ad4ed3961d4061d7e295755b97b9f
SHA512

f75832d67f2520ae9511c1ed77529c52e72e50a3241baf911a5852c4d5d0fa7b592fed8c0acab702db557cbcf0491232288cab4da387c6a7e4592d88b7e34e80
SSDEEP

12288:bRc09qQ3pq+FCOq/tygI/Fbrqbg8M4wSoRrNuNVE0qPRjK:tV9F3pdFhNxW08MJzoVE7PRO

Score

10^/10

remcos manup collection rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

manup

C2

91.193.75.188:60005

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-Y6KFVO
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

NirSoft MailPassView 1 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral2/memory/3740-144-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral2/memory/3260-145-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/3260-146-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3740-144-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral2/memory/3260-145-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/3260-146-0x0000000000400000-0x0000000000478000-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
T1081

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

HJCB_AGJ.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	HJCB_AGJ.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

HJCB_AGJ.exeHJCB_AGJ.exe

description	pid	process	target process
PID 5012 set thread context of 524	5012	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 524 set thread context of 3260	524	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 524 set thread context of 3740	524	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 524 set thread context of 2908	524	HJCB_AGJ.exe	HJCB_AGJ.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3772 2908 WerFault.exe HJCB_AGJ.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

HJCB_AGJ.exe

pid process

3260 HJCB_AGJ.exe
3260 HJCB_AGJ.exe
3260 HJCB_AGJ.exe
3260 HJCB_AGJ.exe
Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

HJCB_AGJ.exe

pid process

524 HJCB_AGJ.exe
524 HJCB_AGJ.exe
524 HJCB_AGJ.exe
524 HJCB_AGJ.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

HJCB_AGJ.exe

pid process

524 HJCB_AGJ.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

HJCB_AGJ.exe

pid process

2908 HJCB_AGJ.exe

pid	pid_target	process	target process
3772	2908	WerFault.exe	HJCB_AGJ.exe

pid	process
3260	HJCB_AGJ.exe
3260	HJCB_AGJ.exe
3260	HJCB_AGJ.exe
3260	HJCB_AGJ.exe

pid	process
524	HJCB_AGJ.exe
524	HJCB_AGJ.exe
524	HJCB_AGJ.exe
524	HJCB_AGJ.exe

pid	process
524	HJCB_AGJ.exe

pid	process
2908	HJCB_AGJ.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

HJCB_AGJ.exeHJCB_AGJ.exe

description	pid	process	target process
PID 5012 wrote to memory of 524	5012	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 5012 wrote to memory of 524	5012	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 5012 wrote to memory of 524	5012	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 5012 wrote to memory of 524	5012	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 5012 wrote to memory of 524	5012	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 5012 wrote to memory of 524	5012	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 5012 wrote to memory of 524	5012	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 5012 wrote to memory of 524	5012	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 5012 wrote to memory of 524	5012	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 5012 wrote to memory of 524	5012	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 5012 wrote to memory of 524	5012	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 5012 wrote to memory of 524	5012	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 524 wrote to memory of 3260	524	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 524 wrote to memory of 3260	524	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 524 wrote to memory of 3260	524	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 524 wrote to memory of 3260	524	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 524 wrote to memory of 492	524	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 524 wrote to memory of 492	524	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 524 wrote to memory of 492	524	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 524 wrote to memory of 3740	524	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 524 wrote to memory of 3740	524	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 524 wrote to memory of 3740	524	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 524 wrote to memory of 3740	524	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 524 wrote to memory of 2908	524	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 524 wrote to memory of 2908	524	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 524 wrote to memory of 2908	524	HJCB_AGJ.exe	HJCB_AGJ.exe
PID 524 wrote to memory of 2908	524	HJCB_AGJ.exe	HJCB_AGJ.exe

C:\Users\Admin\AppData\Local\Temp\HJCB_AGJ.exe
"C:\Users\Admin\AppData\Local\Temp\HJCB_AGJ.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5012

C:\Users\Admin\AppData\Local\Temp\HJCB_AGJ.exe
"C:\Users\Admin\AppData\Local\Temp\HJCB_AGJ.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:524

C:\Users\Admin\AppData\Local\Temp\HJCB_AGJ.exe
C:\Users\Admin\AppData\Local\Temp\HJCB_AGJ.exe /stext "C:\Users\Admin\AppData\Local\Temp\tkkylfgwmqkxsuqzbhhm"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:3260

C:\Users\Admin\AppData\Local\Temp\HJCB_AGJ.exe
C:\Users\Admin\AppData\Local\Temp\HJCB_AGJ.exe /stext "C:\Users\Admin\AppData\Local\Temp\vmqrmxrxayccvaedlrcnuls"
3⤵
PID:492

C:\Users\Admin\AppData\Local\Temp\HJCB_AGJ.exe
C:\Users\Admin\AppData\Local\Temp\HJCB_AGJ.exe /stext "C:\Users\Admin\AppData\Local\Temp\vmqrmxrxayccvaedlrcnuls"
3⤵
- Accesses Microsoft Outlook accounts
PID:3740

C:\Users\Admin\AppData\Local\Temp\HJCB_AGJ.exe
C:\Users\Admin\AppData\Local\Temp\HJCB_AGJ.exe /stext "C:\Users\Admin\AppData\Local\Temp\ggvbnqcroguhfgahccohxqmgjqq"
3⤵
- Suspicious use of UnmapMainImage
PID:2908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2908 -s 12
4⤵
- Program crash
PID:3772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2908 -ip 2908
1⤵
PID:224

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tkkylfgwmqkxsuqzbhhm
Filesize
4KB

MD5
952a930b9fe70f809a67cb4e765c9448

SHA1
7e6c235246cc1be14d8a01ee7688a2a2471d44c9

SHA256
bd8156713974af3003c418302d3647fa84f62836fe83613c05e8bc40cb06a867

SHA512
10d12f2412fd2cb9ecf47cccd0261b17d9a3323957602c06795c4b2244306837d0a979ec6e552dc023ee81719ebcb9455bdb6f9d44f07788664994d1498452fb

Download Submit
memory/492-141-0x0000000000000000-mapping.dmp

Download
memory/524-148-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/524-135-0x0000000000000000-mapping.dmp

Download
memory/524-136-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/524-137-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/524-138-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/524-139-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2908-143-0x0000000000000000-mapping.dmp

Download
memory/3260-140-0x0000000000000000-mapping.dmp

Download
memory/3260-145-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3260-146-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3740-142-0x0000000000000000-mapping.dmp

Download
memory/3740-144-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/5012-132-0x0000000000FE0000-0x00000000010A4000-memory.dmp

Filesize
784KB

Download
memory/5012-134-0x0000000005A60000-0x0000000005AC6000-memory.dmp

Filesize
408KB

Download
memory/5012-133-0x0000000006010000-0x00000000065B4000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads