remcos | a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198

General

Target

OrderBJ 02 - JUNMA016118313306,pdf.exe
Size

3.4MB
MD5

2a3fffe85434fb8cc6a49f3778fc018e
SHA1

fc02539e02aeead5dcb46748c8ba92972b2ebbe4
SHA256

a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198
SHA512

89e8dda82c126f4a5b05c40bcd7cbbbd961c03822aaf4cef09d8a66b02973bb8d0340ffee64ed4aeb18b113cdf4f1aba7464dd290d02edadbd94dea3408496f0
SSDEEP

12288:bezvK8hN5Ei531csIOMRn0ubNDLGgzfRRig8Bl7b76bwpXdcHe+8RpqZUJ9AR:bGS8hwi5RIN0ubJSgOPlUz8RIs9AR

Score

10^/10

remcos wegood collection discovery evasion execution rat trojan

Malware Config

Extracted

Family

remcos

Botnet

WEgood

C2

198.46.178.152:2025

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-BQ3GSA
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
Remcos family
remcos

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

OrderBJ 02 - JUNMA016118313306,pdf.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	OrderBJ 02 - JUNMA016118313306,pdf.exe

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

Processes:

powershell.exe

pid process

2812 powershell.exe
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

pid	process
2812	powershell.exe

Accesses Microsoft Outlook accounts 1 TTPs 2 IoCs

collection

Email Collection

T1114

Processes:

wab.exewab.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	wab.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	wab.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

OrderBJ 02 - JUNMA016118313306,pdf.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	OrderBJ 02 - JUNMA016118313306,pdf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	OrderBJ 02 - JUNMA016118313306,pdf.exe

Suspicious use of SetThreadContext 7 IoCs

Processes:

OrderBJ 02 - JUNMA016118313306,pdf.exewab.exe

description	pid	process	target process
PID 1692 set thread context of 572	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	wab.exe
PID 572 set thread context of 2804	572	wab.exe	wab.exe
PID 572 set thread context of 2948	572	wab.exe	wab.exe
PID 572 set thread context of 2964	572	wab.exe	wab.exe
PID 572 set thread context of 1524	572	wab.exe	wab.exe
PID 572 set thread context of 896	572	wab.exe	wab.exe
PID 572 set thread context of 408	572	wab.exe	wab.exe

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 7 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

Processes:

wab.exewab.exewab.exewab.exewab.exewab.exewab.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wab.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exewab.exewab.exe

pid process

2812 powershell.exe
2804 wab.exe
2804 wab.exe
1524 wab.exe
1524 wab.exe
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

wab.exe

pid process

572 wab.exe
572 wab.exe
572 wab.exe
572 wab.exe
572 wab.exe
572 wab.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exewab.exewab.exe

description pid process

Token: SeDebugPrivilege 2812 powershell.exe
Token: SeDebugPrivilege 2964 wab.exe
Token: SeDebugPrivilege 408 wab.exe

pid	process
2812	powershell.exe
2804	wab.exe
2804	wab.exe
1524	wab.exe
1524	wab.exe

pid	process
572	wab.exe
572	wab.exe
572	wab.exe
572	wab.exe
572	wab.exe
572	wab.exe

description	pid	process
Token: SeDebugPrivilege	2812	powershell.exe
Token: SeDebugPrivilege	2964	wab.exe
Token: SeDebugPrivilege	408	wab.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

OrderBJ 02 - JUNMA016118313306,pdf.exewab.exe

description	pid	process	target process
PID 1692 wrote to memory of 2812	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	powershell.exe
PID 1692 wrote to memory of 2812	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	powershell.exe
PID 1692 wrote to memory of 2812	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	powershell.exe
PID 1692 wrote to memory of 2940	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	ngen.exe
PID 1692 wrote to memory of 2940	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	ngen.exe
PID 1692 wrote to memory of 2940	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	ngen.exe
PID 1692 wrote to memory of 2940	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	ngen.exe
PID 1692 wrote to memory of 2816	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	svchost.exe
PID 1692 wrote to memory of 2816	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	svchost.exe
PID 1692 wrote to memory of 2816	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	svchost.exe
PID 1692 wrote to memory of 2816	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	svchost.exe
PID 1692 wrote to memory of 2816	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	svchost.exe
PID 1692 wrote to memory of 2816	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	svchost.exe
PID 1692 wrote to memory of 2816	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	svchost.exe
PID 1692 wrote to memory of 2816	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	svchost.exe
PID 1692 wrote to memory of 2816	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	svchost.exe
PID 1692 wrote to memory of 2636	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	cmd.exe
PID 1692 wrote to memory of 2636	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	cmd.exe
PID 1692 wrote to memory of 2636	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	cmd.exe
PID 1692 wrote to memory of 2636	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	cmd.exe
PID 1692 wrote to memory of 2636	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	cmd.exe
PID 1692 wrote to memory of 2636	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	cmd.exe
PID 1692 wrote to memory of 2636	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	cmd.exe
PID 1692 wrote to memory of 2636	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	cmd.exe
PID 1692 wrote to memory of 2636	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	cmd.exe
PID 1692 wrote to memory of 2668	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	notepad.exe
PID 1692 wrote to memory of 2668	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	notepad.exe
PID 1692 wrote to memory of 2668	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	notepad.exe
PID 1692 wrote to memory of 2668	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	notepad.exe
PID 1692 wrote to memory of 2668	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	notepad.exe
PID 1692 wrote to memory of 2668	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	notepad.exe
PID 1692 wrote to memory of 2668	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	notepad.exe
PID 1692 wrote to memory of 2668	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	notepad.exe
PID 1692 wrote to memory of 2668	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	notepad.exe
PID 1692 wrote to memory of 1588	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	vbc.exe
PID 1692 wrote to memory of 1588	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	vbc.exe
PID 1692 wrote to memory of 1588	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	vbc.exe
PID 1692 wrote to memory of 1588	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	vbc.exe
PID 1692 wrote to memory of 1588	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	vbc.exe
PID 1692 wrote to memory of 1588	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	vbc.exe
PID 1692 wrote to memory of 1588	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	vbc.exe
PID 1692 wrote to memory of 1588	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	vbc.exe
PID 1692 wrote to memory of 1588	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	vbc.exe
PID 1692 wrote to memory of 1588	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	vbc.exe
PID 1692 wrote to memory of 572	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	wab.exe
PID 1692 wrote to memory of 572	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	wab.exe
PID 1692 wrote to memory of 572	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	wab.exe
PID 1692 wrote to memory of 572	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	wab.exe
PID 1692 wrote to memory of 572	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	wab.exe
PID 1692 wrote to memory of 572	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	wab.exe
PID 1692 wrote to memory of 572	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	wab.exe
PID 1692 wrote to memory of 572	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	wab.exe
PID 1692 wrote to memory of 572	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	wab.exe
PID 1692 wrote to memory of 572	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	wab.exe
PID 1692 wrote to memory of 572	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	wab.exe
PID 1692 wrote to memory of 2556	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	wab.exe
PID 1692 wrote to memory of 2556	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	wab.exe
PID 1692 wrote to memory of 2556	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	wab.exe
PID 1692 wrote to memory of 2556	1692	OrderBJ 02 - JUNMA016118313306,pdf.exe	wab.exe
PID 572 wrote to memory of 2804	572	wab.exe	wab.exe
PID 572 wrote to memory of 2804	572	wab.exe	wab.exe
PID 572 wrote to memory of 2804	572	wab.exe	wab.exe
PID 572 wrote to memory of 2804	572	wab.exe	wab.exe
PID 572 wrote to memory of 2804	572	wab.exe	wab.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

OrderBJ 02 - JUNMA016118313306,pdf.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	OrderBJ 02 - JUNMA016118313306,pdf.exe

C:\Users\Admin\AppData\Local\Temp\OrderBJ 02 - JUNMA016118313306,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\OrderBJ 02 - JUNMA016118313306,pdf.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1692
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\OrderBJ 02 - JUNMA016118313306,pdf.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2812
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
  2⤵
  PID:2940
- C:\Windows\System32\svchost.exe
  "C:\Windows\System32\svchost.exe"
  2⤵
  PID:2816
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe"
  2⤵
  PID:2636
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:2668
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:1588
- C:\Program Files (x86)\Windows Mail\wab.exe
  "C:\Program Files (x86)\Windows Mail\wab.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:572
- - C:\Program Files (x86)\Windows Mail\wab.exe
    "C:\Program Files (x86)\Windows Mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\sghkvgwqucygfgylzwocrjbqiphzrs"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:2804
- - C:\Program Files (x86)\Windows Mail\wab.exe
    "C:\Program Files (x86)\Windows Mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\dincwzgjikqlhnmpizbwcwwzjvzikdgwd"
    3⤵
    - Accesses Microsoft Outlook accounts
    - System Location Discovery: System Language Discovery
    PID:2948
- - C:\Program Files (x86)\Windows Mail\wab.exe
    "C:\Program Files (x86)\Windows Mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\ncsvor"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2964
- - C:\Program Files (x86)\Windows Mail\wab.exe
    "C:\Program Files (x86)\Windows Mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\jkqyngopv"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:1524
- - C:\Program Files (x86)\Windows Mail\wab.exe
    "C:\Program Files (x86)\Windows Mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\umwrozyiioxs"
    3⤵
    - Accesses Microsoft Outlook accounts
    - System Location Discovery: System Language Discovery
    PID:896
- - C:\Program Files (x86)\Windows Mail\wab.exe
    "C:\Program Files (x86)\Windows Mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\wgbkorjkwxpfbki"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:408
- C:\Program Files (x86)\Windows Mail\wab.exe
  "C:\Program Files (x86)\Windows Mail\wab.exe"
  2⤵
  PID:2556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\sghkvgwqucygfgylzwocrjbqiphzrs

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/572-73-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/572-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/572-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/572-71-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1692-3-0x00000000006F0000-0x00000000007C0000-memory.dmp

Filesize
832KB

Download
memory/1692-0-0x000007FEF55A3000-0x000007FEF55A4000-memory.dmp

Filesize
4KB

Download
memory/1692-76-0x000007FEF55A0000-0x000007FEF5F8C000-memory.dmp

Filesize
9.9MB

Download
memory/1692-2-0x000007FEF55A0000-0x000007FEF5F8C000-memory.dmp

Filesize
9.9MB

Download
memory/1692-1-0x0000000001320000-0x0000000001328000-memory.dmp

Filesize
32KB

Download
memory/2812-9-0x000000001B630000-0x000000001B912000-memory.dmp

Filesize
2.9MB

Download
memory/2812-22-0x00000000027E0000-0x00000000027E8000-memory.dmp

Filesize
32KB

Download
memory/2812-8-0x0000000002910000-0x0000000002990000-memory.dmp

Filesize
512KB

Download
memory/2816-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2816-10-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2816-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2816-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2816-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2816-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads