remcos | 8599006c1e34bc121bf1951de8c55cba1479b4497f2b2075f6c0db88d5a78f25

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26-08-2024 18:17

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General

Target

kiQazVVhiseOPPw.exe
Size

985KB
MD5

b772bcef555593a381361860371e6764
SHA1

25d12d87ef49d4f24e78fa04d9e1686643b6e515
SHA256

8599006c1e34bc121bf1951de8c55cba1479b4497f2b2075f6c0db88d5a78f25
SHA512

7056ed05ef4d856217887783f02336e594bcd3341ea95cd8b9908ae903850f0c55347c6899505b4ec27e9e2d949e7fb0409d114d586318f7ede2c4caa24964e2
SSDEEP

24576:s1re+6BzpmYr3XF3i/esVgunqmzj2o41bYrgnp9Hxa:sNe+66PGsVPq2ebYrgp9H0

Score

10^/10

remcos aug 26 collection credential_access discovery execution rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

AUG 26

sungito2.ddns.net:6509

154.216.19.222:5532

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-LXAZN2
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
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Detected Nirsoft tools 3 IoCs

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

resource	yara_rule
behavioral1/memory/1904-43-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/1972-42-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2280-47-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft

NirSoft MailPassView 1 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/1904-43-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 1 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/1972-42-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2696	powershell.exe

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-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	kiQazVVhiseOPPw.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2720 set thread context of 2848	2720	kiQazVVhiseOPPw.exe	32
PID 2848 set thread context of 1972	2848	kiQazVVhiseOPPw.exe	33
PID 2848 set thread context of 1904	2848	kiQazVVhiseOPPw.exe	35
PID 2848 set thread context of 2280	2848	kiQazVVhiseOPPw.exe	37

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 6 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	kiQazVVhiseOPPw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kiQazVVhiseOPPw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kiQazVVhiseOPPw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kiQazVVhiseOPPw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kiQazVVhiseOPPw.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2696	powershell.exe
1972	kiQazVVhiseOPPw.exe
1972	kiQazVVhiseOPPw.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2848	kiQazVVhiseOPPw.exe
2848	kiQazVVhiseOPPw.exe
2848	kiQazVVhiseOPPw.exe
2848	kiQazVVhiseOPPw.exe
2848	kiQazVVhiseOPPw.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2696	powershell.exe
Token: SeDebugPrivilege	2280	kiQazVVhiseOPPw.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2848	kiQazVVhiseOPPw.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 2696	2720	kiQazVVhiseOPPw.exe	30
PID 2720 wrote to memory of 2696	2720	kiQazVVhiseOPPw.exe	30
PID 2720 wrote to memory of 2696	2720	kiQazVVhiseOPPw.exe	30
PID 2720 wrote to memory of 2696	2720	kiQazVVhiseOPPw.exe	30
PID 2720 wrote to memory of 2848	2720	kiQazVVhiseOPPw.exe	32
PID 2720 wrote to memory of 2848	2720	kiQazVVhiseOPPw.exe	32
PID 2720 wrote to memory of 2848	2720	kiQazVVhiseOPPw.exe	32
PID 2720 wrote to memory of 2848	2720	kiQazVVhiseOPPw.exe	32
PID 2720 wrote to memory of 2848	2720	kiQazVVhiseOPPw.exe	32
PID 2720 wrote to memory of 2848	2720	kiQazVVhiseOPPw.exe	32
PID 2720 wrote to memory of 2848	2720	kiQazVVhiseOPPw.exe	32
PID 2720 wrote to memory of 2848	2720	kiQazVVhiseOPPw.exe	32
PID 2720 wrote to memory of 2848	2720	kiQazVVhiseOPPw.exe	32
PID 2720 wrote to memory of 2848	2720	kiQazVVhiseOPPw.exe	32
PID 2720 wrote to memory of 2848	2720	kiQazVVhiseOPPw.exe	32
PID 2720 wrote to memory of 2848	2720	kiQazVVhiseOPPw.exe	32
PID 2720 wrote to memory of 2848	2720	kiQazVVhiseOPPw.exe	32
PID 2848 wrote to memory of 1972	2848	kiQazVVhiseOPPw.exe	33
PID 2848 wrote to memory of 1972	2848	kiQazVVhiseOPPw.exe	33
PID 2848 wrote to memory of 1972	2848	kiQazVVhiseOPPw.exe	33
PID 2848 wrote to memory of 1972	2848	kiQazVVhiseOPPw.exe	33
PID 2848 wrote to memory of 1972	2848	kiQazVVhiseOPPw.exe	33
PID 2848 wrote to memory of 1180	2848	kiQazVVhiseOPPw.exe	34
PID 2848 wrote to memory of 1180	2848	kiQazVVhiseOPPw.exe	34
PID 2848 wrote to memory of 1180	2848	kiQazVVhiseOPPw.exe	34
PID 2848 wrote to memory of 1180	2848	kiQazVVhiseOPPw.exe	34
PID 2848 wrote to memory of 1904	2848	kiQazVVhiseOPPw.exe	35
PID 2848 wrote to memory of 1904	2848	kiQazVVhiseOPPw.exe	35
PID 2848 wrote to memory of 1904	2848	kiQazVVhiseOPPw.exe	35
PID 2848 wrote to memory of 1904	2848	kiQazVVhiseOPPw.exe	35
PID 2848 wrote to memory of 1904	2848	kiQazVVhiseOPPw.exe	35
PID 2848 wrote to memory of 2268	2848	kiQazVVhiseOPPw.exe	36
PID 2848 wrote to memory of 2268	2848	kiQazVVhiseOPPw.exe	36
PID 2848 wrote to memory of 2268	2848	kiQazVVhiseOPPw.exe	36
PID 2848 wrote to memory of 2268	2848	kiQazVVhiseOPPw.exe	36
PID 2848 wrote to memory of 2280	2848	kiQazVVhiseOPPw.exe	37
PID 2848 wrote to memory of 2280	2848	kiQazVVhiseOPPw.exe	37
PID 2848 wrote to memory of 2280	2848	kiQazVVhiseOPPw.exe	37
PID 2848 wrote to memory of 2280	2848	kiQazVVhiseOPPw.exe	37
PID 2848 wrote to memory of 2280	2848	kiQazVVhiseOPPw.exe	37

C:\Users\Admin\AppData\Local\Temp\kiQazVVhiseOPPw.exe
"C:\Users\Admin\AppData\Local\Temp\kiQazVVhiseOPPw.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\kiQazVVhiseOPPw.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2696
- C:\Users\Admin\AppData\Local\Temp\kiQazVVhiseOPPw.exe
  "C:\Users\Admin\AppData\Local\Temp\kiQazVVhiseOPPw.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2848
- - C:\Users\Admin\AppData\Local\Temp\kiQazVVhiseOPPw.exe
    C:\Users\Admin\AppData\Local\Temp\kiQazVVhiseOPPw.exe /stext "C:\Users\Admin\AppData\Local\Temp\zqbkscydmun"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:1972
- - C:\Users\Admin\AppData\Local\Temp\kiQazVVhiseOPPw.exe
    C:\Users\Admin\AppData\Local\Temp\kiQazVVhiseOPPw.exe /stext "C:\Users\Admin\AppData\Local\Temp\ksgdsvjwicftof"
    3⤵
    PID:1180
- - C:\Users\Admin\AppData\Local\Temp\kiQazVVhiseOPPw.exe
    C:\Users\Admin\AppData\Local\Temp\kiQazVVhiseOPPw.exe /stext "C:\Users\Admin\AppData\Local\Temp\ksgdsvjwicftof"
    3⤵
    - Accesses Microsoft Outlook accounts
    - System Location Discovery: System Language Discovery
    PID:1904
- - C:\Users\Admin\AppData\Local\Temp\kiQazVVhiseOPPw.exe
    C:\Users\Admin\AppData\Local\Temp\kiQazVVhiseOPPw.exe /stext "C:\Users\Admin\AppData\Local\Temp\umtwlntywlxyzmhje"
    3⤵
    PID:2268
- - C:\Users\Admin\AppData\Local\Temp\kiQazVVhiseOPPw.exe
    C:\Users\Admin\AppData\Local\Temp\kiQazVVhiseOPPw.exe /stext "C:\Users\Admin\AppData\Local\Temp\umtwlntywlxyzmhje"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2280

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

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\remcos\logs.dat

Filesize
144B

MD5
a3a884edb27d110578395005cfe1695d

SHA1
4fd1f28747b13cfa27d9435339dacda1ca03a247

SHA256
08fd13547903e2fa5f17feeee46a8a1f7393b29d3c8f9e4499a5b03a525c6734

SHA512
da7dee0a4d76f97eaec721ba3008ecd2cb8ce124d9835419e6501a81df1a174846753c120becf5f2bd4d71a22a5aa58cd57353b2ac92498f8d1f64d11437a6fe

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

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/1904-43-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1904-41-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1904-39-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1972-40-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1972-42-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1972-37-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2280-47-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2280-44-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2280-45-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2280-46-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2720-7-0x0000000007710000-0x00000000077D0000-memory.dmp

Filesize
768KB

Download
memory/2720-6-0x0000000000520000-0x0000000000530000-memory.dmp

Filesize
64KB

Download
memory/2720-5-0x0000000073EB0000-0x000000007459E000-memory.dmp

Filesize
6.9MB

Download
memory/2720-26-0x0000000073EB0000-0x000000007459E000-memory.dmp

Filesize
6.9MB

Download
memory/2720-0-0x0000000073EBE000-0x0000000073EBF000-memory.dmp

Filesize
4KB

Download
memory/2720-4-0x0000000073EBE000-0x0000000073EBF000-memory.dmp

Filesize
4KB

Download
memory/2720-3-0x0000000000630000-0x000000000064A000-memory.dmp

Filesize
104KB

Download
memory/2720-2-0x0000000073EB0000-0x000000007459E000-memory.dmp

Filesize
6.9MB

Download
memory/2720-1-0x0000000000E90000-0x0000000000F8A000-memory.dmp

Filesize
1000KB

Download
memory/2848-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-54-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2848-58-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2848-57-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2848-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-75-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2848-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download