remcos | e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894c

General

Target

Purchase Inquiry_002.exe
Size

893KB
MD5

c016b06a4942455df9ce8a58b72bcc90
SHA1

dba52afe33451c444fd5cf3c6aca9d2ced768d2c
SHA256

e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894c
SHA512

961475a98cfdc14a29725b43c1807a3eda08a2257f50d216375faf262880ce39cf7847d00263d00fd1ce032ad14fbb003b3ab1e78bbd25b3a644f3d6746168fe
SSDEEP

24576:WNo7gN9rqhq/5UqutCi1BDUTskujqA5pd6p3MFHdIvYV:QL2hq/6q1i1h4v3A5pdSOWvY

Score

10^/10

remcos cee discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

cee

C2

cee.work.gd:2531

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
vlc
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
true
keylog_file
logs.dat
keylog_flag
false
keylog_folder
ios
mouse_option
false
mutex
gig-1IH5DX
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
sos
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2784	powershell.exe
2900	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2484 set thread context of 1388	2484	Purchase Inquiry_002.exe	36

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 5 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Purchase Inquiry_002.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Purchase Inquiry_002.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2932	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2484	Purchase Inquiry_002.exe
2484	Purchase Inquiry_002.exe
2484	Purchase Inquiry_002.exe
2484	Purchase Inquiry_002.exe
2484	Purchase Inquiry_002.exe
2484	Purchase Inquiry_002.exe
2484	Purchase Inquiry_002.exe
2900	powershell.exe
2784	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2484	Purchase Inquiry_002.exe
Token: SeDebugPrivilege	2900	powershell.exe
Token: SeDebugPrivilege	2784	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1388	Purchase Inquiry_002.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 2784	2484	Purchase Inquiry_002.exe	30
PID 2484 wrote to memory of 2784	2484	Purchase Inquiry_002.exe	30
PID 2484 wrote to memory of 2784	2484	Purchase Inquiry_002.exe	30
PID 2484 wrote to memory of 2784	2484	Purchase Inquiry_002.exe	30
PID 2484 wrote to memory of 2900	2484	Purchase Inquiry_002.exe	32
PID 2484 wrote to memory of 2900	2484	Purchase Inquiry_002.exe	32
PID 2484 wrote to memory of 2900	2484	Purchase Inquiry_002.exe	32
PID 2484 wrote to memory of 2900	2484	Purchase Inquiry_002.exe	32
PID 2484 wrote to memory of 2932	2484	Purchase Inquiry_002.exe	34
PID 2484 wrote to memory of 2932	2484	Purchase Inquiry_002.exe	34
PID 2484 wrote to memory of 2932	2484	Purchase Inquiry_002.exe	34
PID 2484 wrote to memory of 2932	2484	Purchase Inquiry_002.exe	34
PID 2484 wrote to memory of 1388	2484	Purchase Inquiry_002.exe	36
PID 2484 wrote to memory of 1388	2484	Purchase Inquiry_002.exe	36
PID 2484 wrote to memory of 1388	2484	Purchase Inquiry_002.exe	36
PID 2484 wrote to memory of 1388	2484	Purchase Inquiry_002.exe	36
PID 2484 wrote to memory of 1388	2484	Purchase Inquiry_002.exe	36
PID 2484 wrote to memory of 1388	2484	Purchase Inquiry_002.exe	36
PID 2484 wrote to memory of 1388	2484	Purchase Inquiry_002.exe	36
PID 2484 wrote to memory of 1388	2484	Purchase Inquiry_002.exe	36
PID 2484 wrote to memory of 1388	2484	Purchase Inquiry_002.exe	36
PID 2484 wrote to memory of 1388	2484	Purchase Inquiry_002.exe	36
PID 2484 wrote to memory of 1388	2484	Purchase Inquiry_002.exe	36
PID 2484 wrote to memory of 1388	2484	Purchase Inquiry_002.exe	36
PID 2484 wrote to memory of 1388	2484	Purchase Inquiry_002.exe	36

C:\Users\Admin\AppData\Local\Temp\Purchase Inquiry_002.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Inquiry_002.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2484
- 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\Purchase Inquiry_002.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2784
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xASiLfzXONGIW.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2900
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xASiLfzXONGIW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4DD2.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2932
- C:\Users\Admin\AppData\Local\Temp\Purchase Inquiry_002.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Inquiry_002.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1388

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\ios\logs.dat

Filesize
144B

MD5
cf464323bb9fab29024fad31836f8629

SHA1
d9d96d66cdb33cb219fec3055b7e3cec0217b3af

SHA256
ad5b333f00c958a734e41786d353b08841359b8a3a3ee54b9abb255f841911c4

SHA512
e48603dc8fdadad3fd4d3fd1558d0770a6993e6f18be0ab870bf519dcc5ee25f5f6b81975ecd985f4d9428119f58c6e7bc646365825481df76c5d5ead5a2372e

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C:\Users\Admin\AppData\Local\Temp\tmp4DD2.tmp

Filesize
1KB

MD5
3b44bfd344edfc3603a10cb0d491ab20

SHA1
b94f116601054644d55855e008c55ccbe8c15161

SHA256
f4be84583e6d16a3c413bf98998e26b206e05298c40d4954777dddf4b9e26cb5

SHA512
cde7c8553e3a4c0f16dcf1718984ec9a04e0792f95b653d58fe7450761cd45f1eb855b573cd26264c294849594bcce0528dd32dc4239300802a7583ffca0f261

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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\QEA6SCH92IPB2H6Z082D.temp

Filesize
7KB

MD5
f75324c47b4694898bc2b2ba3f0036e0

SHA1
0ffcb2a7962bbc0c5e0384b759581e3ac296d3de

SHA256
2c0ff9661284c6a5ce265a97943e2d346e5c3a8b422515e82d05846c7ae6b5b1

SHA512
5c44c4fad39eeb3a93c7c317dc2799ca3ac2752b63a52574af687aeddcc74f9acf05a20665702bc947c835817bfed7fbb23c1614553f7a2e847f67db98e323ca

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memory/1388-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1388-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1388-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1388-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1388-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1388-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1388-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1388-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1388-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1388-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1388-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1388-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1388-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1388-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1388-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1388-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1388-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1388-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1388-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1388-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1388-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1388-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1388-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-4-0x00000000003E0000-0x00000000003F2000-memory.dmp

Filesize
72KB

Download
memory/2484-1-0x0000000000A70000-0x0000000000B56000-memory.dmp

Filesize
920KB

Download
memory/2484-5-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/2484-0-0x000000007416E000-0x000000007416F000-memory.dmp

Filesize
4KB

Download
memory/2484-42-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/2484-2-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/2484-3-0x000000007416E000-0x000000007416F000-memory.dmp

Filesize
4KB

Download
memory/2484-6-0x0000000004FF0000-0x00000000050B0000-memory.dmp

Filesize
768KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads