remcos | 0bd1748c9bcb7917b74f51af9953d5da9aa53f6e6525dd60cc0d50a221cc54aa

Analysis

max time kernel
149s
max time network
138s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
18/08/2023, 10:31

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General

Target

tmp.exe
Size

930KB
MD5

d7e7e73ea8759c18b068a1eeb155975a
SHA1

8f1bf0c0d3fa45598a638ad0abd717be7ab1efaa
SHA256

0bd1748c9bcb7917b74f51af9953d5da9aa53f6e6525dd60cc0d50a221cc54aa
SHA512

82e699055f2d0c75702f07a40dd70347781c87c905124dbba1bbead8139695247697388b36c5a503389dc3ed8463e033108a7ae767e0fabf9ebea708203c5825
SSDEEP

12288:H7mHFFD9GRxjnJfgcuEdhoqVF1N0eF0bWWk++IY8g53aN1qQLAfAV3W:bmXkRNJrD1N0eF0/k+fY8URxA

Score

10^/10

remcos remotehost rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

134.195.139.194:2404

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-F82W83
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 2 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/692-106-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView
behavioral1/memory/692-121-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/2436-96-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2436-117-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 6 IoCs

resource	yara_rule
behavioral1/memory/2436-96-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/692-106-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral1/memory/1640-110-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/1640-111-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2436-117-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/692-121-0x0000000000400000-0x0000000000457000-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

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2372 set thread context of 2860	2372	tmp.exe	30
PID 2860 set thread context of 2436	2860	tmp.exe	37
PID 2860 set thread context of 692	2860	tmp.exe	40
PID 2860 set thread context of 1640	2860	tmp.exe	42

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2436	tmp.exe
2436	tmp.exe

Suspicious behavior: MapViewOfSection 13 IoCs

pid	Process
2860	tmp.exe
2860	tmp.exe
2860	tmp.exe
2860	tmp.exe
2860	tmp.exe
2860	tmp.exe
2860	tmp.exe
2860	tmp.exe
2860	tmp.exe
2860	tmp.exe
2860	tmp.exe
2860	tmp.exe
2860	tmp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1640	tmp.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2860	tmp.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2860	2372	tmp.exe	30
PID 2372 wrote to memory of 2860	2372	tmp.exe	30
PID 2372 wrote to memory of 2860	2372	tmp.exe	30
PID 2372 wrote to memory of 2860	2372	tmp.exe	30
PID 2372 wrote to memory of 2860	2372	tmp.exe	30
PID 2372 wrote to memory of 2860	2372	tmp.exe	30
PID 2372 wrote to memory of 2860	2372	tmp.exe	30
PID 2372 wrote to memory of 2860	2372	tmp.exe	30
PID 2372 wrote to memory of 2860	2372	tmp.exe	30
PID 2372 wrote to memory of 2860	2372	tmp.exe	30
PID 2372 wrote to memory of 2860	2372	tmp.exe	30
PID 2372 wrote to memory of 2860	2372	tmp.exe	30
PID 2372 wrote to memory of 2860	2372	tmp.exe	30
PID 2860 wrote to memory of 2780	2860	tmp.exe	32
PID 2860 wrote to memory of 2780	2860	tmp.exe	32
PID 2860 wrote to memory of 2780	2860	tmp.exe	32
PID 2860 wrote to memory of 2780	2860	tmp.exe	32
PID 2860 wrote to memory of 2832	2860	tmp.exe	33
PID 2860 wrote to memory of 2832	2860	tmp.exe	33
PID 2860 wrote to memory of 2832	2860	tmp.exe	33
PID 2860 wrote to memory of 2832	2860	tmp.exe	33
PID 2860 wrote to memory of 1560	2860	tmp.exe	34
PID 2860 wrote to memory of 1560	2860	tmp.exe	34
PID 2860 wrote to memory of 1560	2860	tmp.exe	34
PID 2860 wrote to memory of 1560	2860	tmp.exe	34
PID 2860 wrote to memory of 1684	2860	tmp.exe	35
PID 2860 wrote to memory of 1684	2860	tmp.exe	35
PID 2860 wrote to memory of 1684	2860	tmp.exe	35
PID 2860 wrote to memory of 1684	2860	tmp.exe	35
PID 2860 wrote to memory of 2376	2860	tmp.exe	36
PID 2860 wrote to memory of 2376	2860	tmp.exe	36
PID 2860 wrote to memory of 2376	2860	tmp.exe	36
PID 2860 wrote to memory of 2376	2860	tmp.exe	36
PID 2860 wrote to memory of 2436	2860	tmp.exe	37
PID 2860 wrote to memory of 2436	2860	tmp.exe	37
PID 2860 wrote to memory of 2436	2860	tmp.exe	37
PID 2860 wrote to memory of 2436	2860	tmp.exe	37
PID 2860 wrote to memory of 2436	2860	tmp.exe	37
PID 2860 wrote to memory of 2256	2860	tmp.exe	44
PID 2860 wrote to memory of 2256	2860	tmp.exe	44
PID 2860 wrote to memory of 2256	2860	tmp.exe	44
PID 2860 wrote to memory of 2256	2860	tmp.exe	44
PID 2860 wrote to memory of 528	2860	tmp.exe	38
PID 2860 wrote to memory of 528	2860	tmp.exe	38
PID 2860 wrote to memory of 528	2860	tmp.exe	38
PID 2860 wrote to memory of 528	2860	tmp.exe	38
PID 2860 wrote to memory of 476	2860	tmp.exe	43
PID 2860 wrote to memory of 476	2860	tmp.exe	43
PID 2860 wrote to memory of 476	2860	tmp.exe	43
PID 2860 wrote to memory of 476	2860	tmp.exe	43
PID 2860 wrote to memory of 1012	2860	tmp.exe	39
PID 2860 wrote to memory of 1012	2860	tmp.exe	39
PID 2860 wrote to memory of 1012	2860	tmp.exe	39
PID 2860 wrote to memory of 1012	2860	tmp.exe	39
PID 2860 wrote to memory of 744	2860	tmp.exe	41
PID 2860 wrote to memory of 744	2860	tmp.exe	41
PID 2860 wrote to memory of 744	2860	tmp.exe	41
PID 2860 wrote to memory of 744	2860	tmp.exe	41
PID 2860 wrote to memory of 692	2860	tmp.exe	40
PID 2860 wrote to memory of 692	2860	tmp.exe	40
PID 2860 wrote to memory of 692	2860	tmp.exe	40
PID 2860 wrote to memory of 692	2860	tmp.exe	40
PID 2860 wrote to memory of 692	2860	tmp.exe	40
PID 2860 wrote to memory of 1640	2860	tmp.exe	42

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2860
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    C:\Users\Admin\AppData\Local\Temp\tmp.exe /stext "C:\Users\Admin\AppData\Local\Temp\abcgdbiavudvzhosnexpqocwdytjflrtne"
    3⤵
    PID:2780
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    C:\Users\Admin\AppData\Local\Temp\tmp.exe /stext "C:\Users\Admin\AppData\Local\Temp\abcgdbiavudvzhosnexpqocwdytjflrtne"
    3⤵
    PID:2832
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    C:\Users\Admin\AppData\Local\Temp\tmp.exe /stext "C:\Users\Admin\AppData\Local\Temp\abcgdbiavudvzhosnexpqocwdytjflrtne"
    3⤵
    PID:1560
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    C:\Users\Admin\AppData\Local\Temp\tmp.exe /stext "C:\Users\Admin\AppData\Local\Temp\abcgdbiavudvzhosnexpqocwdytjflrtne"
    3⤵
    PID:1684
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    C:\Users\Admin\AppData\Local\Temp\tmp.exe /stext "C:\Users\Admin\AppData\Local\Temp\abcgdbiavudvzhosnexpqocwdytjflrtne"
    3⤵
    PID:2376
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    C:\Users\Admin\AppData\Local\Temp\tmp.exe /stext "C:\Users\Admin\AppData\Local\Temp\abcgdbiavudvzhosnexpqocwdytjflrtne"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:2436
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    C:\Users\Admin\AppData\Local\Temp\tmp.exe /stext "C:\Users\Admin\AppData\Local\Temp\cwizeu"
    3⤵
    PID:528
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    C:\Users\Admin\AppData\Local\Temp\tmp.exe /stext "C:\Users\Admin\AppData\Local\Temp\cwizeu"
    3⤵
    PID:1012
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    C:\Users\Admin\AppData\Local\Temp\tmp.exe /stext "C:\Users\Admin\AppData\Local\Temp\cwizeu"
    3⤵
    PID:692
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    C:\Users\Admin\AppData\Local\Temp\tmp.exe /stext "C:\Users\Admin\AppData\Local\Temp\cwizeu"
    3⤵
    PID:744
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    C:\Users\Admin\AppData\Local\Temp\tmp.exe /stext "C:\Users\Admin\AppData\Local\Temp\mynjxmdvfk"
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1640
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    C:\Users\Admin\AppData\Local\Temp\tmp.exe /stext "C:\Users\Admin\AppData\Local\Temp\cwizeu"
    3⤵
    PID:476
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    C:\Users\Admin\AppData\Local\Temp\tmp.exe /stext "C:\Users\Admin\AppData\Local\Temp\cwizeu"
    3⤵
    PID:2256

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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
0778799d7a378fd695c39412e9b25ae1

SHA1
2912a9e85fdfb2f392873e7d130b828166e61468

SHA256
381d3fb18bcb0b626f9797213c2b51993e534af110484566cdfe45488fd2ddb8

SHA512
2f3a6000a8ef616a518dfcef1c36bf69b098dcadbb68652314de7ff9bdb8a2d9e3c1380f22b5ab4c97d870efc900eafb396a4ff4c22076de135e740f6d2cf47e

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

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/692-99-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/692-103-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/692-106-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/692-121-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/1640-111-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1640-110-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1640-104-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1640-108-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1640-109-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2372-79-0x0000000074480000-0x0000000074B6E000-memory.dmp

Filesize
6.9MB

Download
memory/2372-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2372-55-0x0000000074480000-0x0000000074B6E000-memory.dmp

Filesize
6.9MB

Download
memory/2372-54-0x0000000000230000-0x000000000031E000-memory.dmp

Filesize
952KB

Download
memory/2372-58-0x0000000074480000-0x0000000074B6E000-memory.dmp

Filesize
6.9MB

Download
memory/2372-59-0x0000000004E50000-0x0000000004E90000-memory.dmp

Filesize
256KB

Download
memory/2372-60-0x0000000000920000-0x000000000092E000-memory.dmp

Filesize
56KB

Download
memory/2372-56-0x0000000004E50000-0x0000000004E90000-memory.dmp

Filesize
256KB

Download
memory/2372-61-0x00000000080A0000-0x0000000008158000-memory.dmp

Filesize
736KB

Download
memory/2436-92-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2436-117-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2436-96-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2436-95-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2436-94-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2860-70-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-68-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-86-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-87-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-89-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-84-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-83-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-82-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-81-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-77-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-78-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-76-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-74-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-71-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-67-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2860-69-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-85-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-66-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-119-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-120-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-64-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-122-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2860-126-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2860-125-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2860-128-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-130-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2860-62-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-135-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-136-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-143-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-144-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-151-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2860-152-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download