remcos | 0a6b4d008994bb06574688d817089831fc7404e5e458c38e7a1464d072a8fd7a

Analysis

max time kernel
151s
max time network
135s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
27/10/2022, 23:20

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
file.exe
Size 622KB
Sample221027-3bewdaeaa2
SHA256 0a6b4d008994bb06574688d817089831fc7404e5e458c38e7a1464d072a8fd7a
MD5 23d5f75391136c6e3fafc24f60c257c1
SHA1 dd46ac624c420a0df7b8a4fdf3aa57dcaf85465e
SHA512 3d6f9af958860576e8de5f340e710beb2d1ec0638fb0660d7af1a79cfcb48ab9a6631c9f6fff41c16a999d25ae02ffc64fbf3dac6195a0d17b8a575b25aba8dd
SSDEEP 12288:kGOUQfnuznoZApJmYDB1+ClalshgWpfPivzv2Ci/1m:kGOUQfn4o+/mYDdLGWpfPirv2NU
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

remcos remotehost collection rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

top.thekillforabuse1.xyz:55988

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-3LSD40
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 2 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/1576-86-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView
behavioral1/memory/1576-90-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/984-85-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/984-87-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 5 IoCs

resource	yara_rule
behavioral1/memory/1476-83-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/984-85-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/1576-86-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral1/memory/984-87-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/1576-90-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SyGHHHFstem.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SyGHHHFstem.exe	Powershell.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	RegSvcs.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1248 set thread context of 856	1248	file.exe	28
PID 856 set thread context of 984	856	RegSvcs.exe	31
PID 856 set thread context of 1576	856	RegSvcs.exe	32
PID 856 set thread context of 1476	856	RegSvcs.exe	33

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
984	RegSvcs.exe
704	Powershell.exe
984	RegSvcs.exe

Suspicious behavior: MapViewOfSection 4 IoCs

pid	Process
856	RegSvcs.exe
856	RegSvcs.exe
856	RegSvcs.exe
856	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1248	file.exe
Token: SeDebugPrivilege	1476	RegSvcs.exe
Token: SeDebugPrivilege	704	Powershell.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 1248 wrote to memory of 704	1248	file.exe	26
PID 1248 wrote to memory of 704	1248	file.exe	26
PID 1248 wrote to memory of 704	1248	file.exe	26
PID 1248 wrote to memory of 704	1248	file.exe	26
PID 1248 wrote to memory of 856	1248	file.exe	28
PID 1248 wrote to memory of 856	1248	file.exe	28
PID 1248 wrote to memory of 856	1248	file.exe	28
PID 1248 wrote to memory of 856	1248	file.exe	28
PID 1248 wrote to memory of 856	1248	file.exe	28
PID 1248 wrote to memory of 856	1248	file.exe	28
PID 1248 wrote to memory of 856	1248	file.exe	28
PID 1248 wrote to memory of 856	1248	file.exe	28
PID 1248 wrote to memory of 856	1248	file.exe	28
PID 1248 wrote to memory of 856	1248	file.exe	28
PID 1248 wrote to memory of 856	1248	file.exe	28
PID 1248 wrote to memory of 856	1248	file.exe	28
PID 1248 wrote to memory of 856	1248	file.exe	28
PID 1248 wrote to memory of 856	1248	file.exe	28
PID 1248 wrote to memory of 856	1248	file.exe	28
PID 1248 wrote to memory of 856	1248	file.exe	28
PID 856 wrote to memory of 1772	856	RegSvcs.exe	30
PID 856 wrote to memory of 1772	856	RegSvcs.exe	30
PID 856 wrote to memory of 1772	856	RegSvcs.exe	30
PID 856 wrote to memory of 1772	856	RegSvcs.exe	30
PID 856 wrote to memory of 1772	856	RegSvcs.exe	30
PID 856 wrote to memory of 1772	856	RegSvcs.exe	30
PID 856 wrote to memory of 1772	856	RegSvcs.exe	30
PID 856 wrote to memory of 984	856	RegSvcs.exe	31
PID 856 wrote to memory of 984	856	RegSvcs.exe	31
PID 856 wrote to memory of 984	856	RegSvcs.exe	31
PID 856 wrote to memory of 984	856	RegSvcs.exe	31
PID 856 wrote to memory of 984	856	RegSvcs.exe	31
PID 856 wrote to memory of 984	856	RegSvcs.exe	31
PID 856 wrote to memory of 984	856	RegSvcs.exe	31
PID 856 wrote to memory of 984	856	RegSvcs.exe	31
PID 856 wrote to memory of 1576	856	RegSvcs.exe	32
PID 856 wrote to memory of 1576	856	RegSvcs.exe	32
PID 856 wrote to memory of 1576	856	RegSvcs.exe	32
PID 856 wrote to memory of 1576	856	RegSvcs.exe	32
PID 856 wrote to memory of 1576	856	RegSvcs.exe	32
PID 856 wrote to memory of 1576	856	RegSvcs.exe	32
PID 856 wrote to memory of 1576	856	RegSvcs.exe	32
PID 856 wrote to memory of 1576	856	RegSvcs.exe	32
PID 856 wrote to memory of 1476	856	RegSvcs.exe	33
PID 856 wrote to memory of 1476	856	RegSvcs.exe	33
PID 856 wrote to memory of 1476	856	RegSvcs.exe	33
PID 856 wrote to memory of 1476	856	RegSvcs.exe	33
PID 856 wrote to memory of 1476	856	RegSvcs.exe	33
PID 856 wrote to memory of 1476	856	RegSvcs.exe	33
PID 856 wrote to memory of 1476	856	RegSvcs.exe	33
PID 856 wrote to memory of 1476	856	RegSvcs.exe	33

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1248
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell" Copy-Item 'C:\Users\Admin\AppData\Local\Temp\file.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SyGHHHFstem.exe'
  2⤵
  - Drops startup file
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:704
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:856
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\htdkoj"
    3⤵
    PID:1772
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\htdkoj"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:984
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\jnidpcnyx"
    3⤵
    - Accesses Microsoft Outlook accounts
    PID:1576
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\tpwoquxzlygy"
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1476

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

htdkoj

Path C:\Users\Admin\AppData\Local\Temp\htdkoj
Size 2B
SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
MD5 f3b25701fe362ec84616a93a45ce9998
SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
MD5 SHA1 SHA512

Submit Download

memory/704-84-0x0000000073F80000-0x000000007452B000-memory.dmp

Download

memory/704-89-0x0000000073F80000-0x000000007452B000-memory.dmp

Download

memory/856-75-0x0000000000400000-0x000000000047F000-memory.dmp

Download

memory/856-76-0x0000000000400000-0x000000000047F000-memory.dmp

Download

memory/856-62-0x0000000000400000-0x000000000047F000-memory.dmp

Download

memory/856-64-0x0000000000400000-0x000000000047F000-memory.dmp

Download

memory/856-65-0x0000000000400000-0x000000000047F000-memory.dmp

Download

memory/856-66-0x0000000000400000-0x000000000047F000-memory.dmp

Download

memory/856-67-0x0000000000400000-0x000000000047F000-memory.dmp

Download

memory/856-69-0x0000000000400000-0x000000000047F000-memory.dmp

Download

memory/856-71-0x0000000000400000-0x000000000047F000-memory.dmp

Download

memory/856-91-0x0000000000400000-0x000000000047F000-memory.dmp

Download

memory/856-60-0x0000000000400000-0x000000000047F000-memory.dmp

Download

memory/856-59-0x0000000000400000-0x000000000047F000-memory.dmp

Download

memory/984-85-0x0000000000400000-0x0000000000478000-memory.dmp

Download

memory/984-87-0x0000000000400000-0x0000000000478000-memory.dmp

Download

memory/1248-56-0x0000000000390000-0x00000000003AC000-memory.dmp

Download

memory/1248-55-0x0000000075351000-0x0000000075353000-memory.dmp

Download

memory/1248-54-0x0000000000DD0000-0x0000000000E70000-memory.dmp

Download

memory/1476-83-0x0000000000400000-0x0000000000424000-memory.dmp

Download

memory/1576-86-0x0000000000400000-0x0000000000457000-memory.dmp

Download

memory/1576-90-0x0000000000400000-0x0000000000457000-memory.dmp

Download