remcos | facf1bd37fa739f82bc10a7a6e7436b4871af89e3c8389270673e2dbb76200e4

Analysis

max time kernel
150s
max time network
147s
platform
windows7_x64
resource
win7v20201028
submitted
09/01/2021, 12:53

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General

Target
SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe
Size 1.7MB
Sample210109-deb6bhpc6a
SHA256 facf1bd37fa739f82bc10a7a6e7436b4871af89e3c8389270673e2dbb76200e4
MD5 c256502f66dbd289955472b574432271
SHA1 d7adee8673f92b59bfdaaa598ab41e04a2226ba8
SHA512 f6042d1bec0de3bc025c8aa525b2ad2c9f2d9fcd6c0a6446ba589b5b2ba1852621e65af69bf961bfa313df4451fb16974a406e02c0f391e30fd64c51f0a5be80
MD5 SHA1 SHA512

Score

10^/10

remcos persistence rat spyware

Malware Config

Extracted

Family

remcos

swryijgrvcsgkopnmcdertvgdswbvmophtfdczxs.ydns.eu:2017

Signatures

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

Executes dropped EXE 5 IoCs

pid	Process
464	vlc.exe
1748	vlc.exe
1496	vlc.exe
292	vlc.exe
1200	vlc.exe

Loads dropped DLL 2 IoCs

pid	Process
748	cmd.exe
748	cmd.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\win = "\"C:\\Users\\Admin\\AppData\\Roaming\\vlc.exe\""	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\	vlc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\win = "\"C:\\Users\\Admin\\AppData\\Roaming\\vlc.exe\""	vlc.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 15 IoCs

pid	Process
1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe
1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe
1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe
1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe
1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe
1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe
1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe
1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe
464	vlc.exe
464	vlc.exe
464	vlc.exe
464	vlc.exe
464	vlc.exe
464	vlc.exe
464	vlc.exe

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 1824 set thread context of 1108	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	38
PID 464 set thread context of 1748	464	vlc.exe	52
PID 1748 set thread context of 1496	1748	vlc.exe	55
PID 1748 set thread context of 292	1748	vlc.exe	56
PID 1748 set thread context of 1200	1748	vlc.exe	57

Delays execution with timeout.exe 6 IoCs

evasion

pid	Process
1608	timeout.exe
596	timeout.exe
268	timeout.exe
1064	timeout.exe
1592	timeout.exe
1520	timeout.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe
1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe
1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe
464	vlc.exe
464	vlc.exe
464	vlc.exe
1496	vlc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe
Token: SeDebugPrivilege	464	vlc.exe
Token: SeDebugPrivilege	292	vlc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1748	vlc.exe

Suspicious use of WriteProcessMemory 117 IoCs

description	pid	Process	procid_target
PID 1824 wrote to memory of 1580	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	29
PID 1824 wrote to memory of 1580	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	29
PID 1824 wrote to memory of 1580	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	29
PID 1824 wrote to memory of 1580	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	29
PID 1580 wrote to memory of 1608	1580	cmd.exe	31
PID 1580 wrote to memory of 1608	1580	cmd.exe	31
PID 1580 wrote to memory of 1608	1580	cmd.exe	31
PID 1580 wrote to memory of 1608	1580	cmd.exe	31
PID 1824 wrote to memory of 1692	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	32
PID 1824 wrote to memory of 1692	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	32
PID 1824 wrote to memory of 1692	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	32
PID 1824 wrote to memory of 1692	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	32
PID 1692 wrote to memory of 596	1692	cmd.exe	34
PID 1692 wrote to memory of 596	1692	cmd.exe	34
PID 1692 wrote to memory of 596	1692	cmd.exe	34
PID 1692 wrote to memory of 596	1692	cmd.exe	34
PID 1824 wrote to memory of 1632	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	35
PID 1824 wrote to memory of 1632	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	35
PID 1824 wrote to memory of 1632	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	35
PID 1824 wrote to memory of 1632	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	35
PID 1632 wrote to memory of 268	1632	cmd.exe	37
PID 1632 wrote to memory of 268	1632	cmd.exe	37
PID 1632 wrote to memory of 268	1632	cmd.exe	37
PID 1632 wrote to memory of 268	1632	cmd.exe	37
PID 1824 wrote to memory of 1108	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	38
PID 1824 wrote to memory of 1108	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	38
PID 1824 wrote to memory of 1108	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	38
PID 1824 wrote to memory of 1108	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	38
PID 1824 wrote to memory of 1108	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	38
PID 1824 wrote to memory of 1108	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	38
PID 1824 wrote to memory of 1108	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	38
PID 1824 wrote to memory of 1108	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	38
PID 1824 wrote to memory of 1108	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	38
PID 1824 wrote to memory of 1108	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	38
PID 1824 wrote to memory of 1108	1824	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	38
PID 1108 wrote to memory of 960	1108	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	39
PID 1108 wrote to memory of 960	1108	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	39
PID 1108 wrote to memory of 960	1108	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	39
PID 1108 wrote to memory of 960	1108	SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe	39
PID 960 wrote to memory of 748	960	WScript.exe	40
PID 960 wrote to memory of 748	960	WScript.exe	40
PID 960 wrote to memory of 748	960	WScript.exe	40
PID 960 wrote to memory of 748	960	WScript.exe	40
PID 748 wrote to memory of 464	748	cmd.exe	42
PID 748 wrote to memory of 464	748	cmd.exe	42
PID 748 wrote to memory of 464	748	cmd.exe	42
PID 748 wrote to memory of 464	748	cmd.exe	42
PID 464 wrote to memory of 672	464	vlc.exe	43
PID 464 wrote to memory of 672	464	vlc.exe	43
PID 464 wrote to memory of 672	464	vlc.exe	43
PID 464 wrote to memory of 672	464	vlc.exe	43
PID 672 wrote to memory of 1064	672	cmd.exe	45
PID 672 wrote to memory of 1064	672	cmd.exe	45
PID 672 wrote to memory of 1064	672	cmd.exe	45
PID 672 wrote to memory of 1064	672	cmd.exe	45
PID 464 wrote to memory of 752	464	vlc.exe	46
PID 464 wrote to memory of 752	464	vlc.exe	46
PID 464 wrote to memory of 752	464	vlc.exe	46
PID 464 wrote to memory of 752	464	vlc.exe	46
PID 752 wrote to memory of 1592	752	cmd.exe	48
PID 752 wrote to memory of 1592	752	cmd.exe	48
PID 752 wrote to memory of 1592	752	cmd.exe	48
PID 752 wrote to memory of 1592	752	cmd.exe	48
PID 464 wrote to memory of 1564	464	vlc.exe	49
PID 464 wrote to memory of 1564	464	vlc.exe	49
PID 464 wrote to memory of 1564	464	vlc.exe	49
PID 464 wrote to memory of 1564	464	vlc.exe	49
PID 1564 wrote to memory of 1520	1564	cmd.exe	51
PID 1564 wrote to memory of 1520	1564	cmd.exe	51
PID 1564 wrote to memory of 1520	1564	cmd.exe	51
PID 1564 wrote to memory of 1520	1564	cmd.exe	51
PID 464 wrote to memory of 1748	464	vlc.exe	52
PID 464 wrote to memory of 1748	464	vlc.exe	52
PID 464 wrote to memory of 1748	464	vlc.exe	52
PID 464 wrote to memory of 1748	464	vlc.exe	52
PID 464 wrote to memory of 1748	464	vlc.exe	52
PID 464 wrote to memory of 1748	464	vlc.exe	52
PID 464 wrote to memory of 1748	464	vlc.exe	52
PID 464 wrote to memory of 1748	464	vlc.exe	52
PID 464 wrote to memory of 1748	464	vlc.exe	52
PID 464 wrote to memory of 1748	464	vlc.exe	52
PID 464 wrote to memory of 1748	464	vlc.exe	52
PID 1748 wrote to memory of 700	1748	vlc.exe	53
PID 1748 wrote to memory of 700	1748	vlc.exe	53
PID 1748 wrote to memory of 700	1748	vlc.exe	53
PID 1748 wrote to memory of 700	1748	vlc.exe	53
PID 1748 wrote to memory of 1424	1748	vlc.exe	54
PID 1748 wrote to memory of 1424	1748	vlc.exe	54
PID 1748 wrote to memory of 1424	1748	vlc.exe	54
PID 1748 wrote to memory of 1424	1748	vlc.exe	54
PID 1748 wrote to memory of 1496	1748	vlc.exe	55
PID 1748 wrote to memory of 1496	1748	vlc.exe	55
PID 1748 wrote to memory of 1496	1748	vlc.exe	55
PID 1748 wrote to memory of 1496	1748	vlc.exe	55
PID 1748 wrote to memory of 1496	1748	vlc.exe	55
PID 1748 wrote to memory of 1496	1748	vlc.exe	55
PID 1748 wrote to memory of 1496	1748	vlc.exe	55
PID 1748 wrote to memory of 1496	1748	vlc.exe	55
PID 1748 wrote to memory of 1496	1748	vlc.exe	55
PID 1748 wrote to memory of 292	1748	vlc.exe	56
PID 1748 wrote to memory of 292	1748	vlc.exe	56
PID 1748 wrote to memory of 292	1748	vlc.exe	56
PID 1748 wrote to memory of 292	1748	vlc.exe	56
PID 1748 wrote to memory of 292	1748	vlc.exe	56
PID 1748 wrote to memory of 292	1748	vlc.exe	56
PID 1748 wrote to memory of 292	1748	vlc.exe	56
PID 1748 wrote to memory of 292	1748	vlc.exe	56
PID 1748 wrote to memory of 292	1748	vlc.exe	56
PID 1748 wrote to memory of 1200	1748	vlc.exe	57
PID 1748 wrote to memory of 1200	1748	vlc.exe	57
PID 1748 wrote to memory of 1200	1748	vlc.exe	57
PID 1748 wrote to memory of 1200	1748	vlc.exe	57
PID 1748 wrote to memory of 1200	1748	vlc.exe	57
PID 1748 wrote to memory of 1200	1748	vlc.exe	57
PID 1748 wrote to memory of 1200	1748	vlc.exe	57
PID 1748 wrote to memory of 1200	1748	vlc.exe	57
PID 1748 wrote to memory of 1200	1748	vlc.exe	57

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1824
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1580
- - C:\Windows\SysWOW64\timeout.exe
    timeout 1
    3⤵
    - Delays execution with timeout.exe
    PID:1608
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1692
- - C:\Windows\SysWOW64\timeout.exe
    timeout 1
    3⤵
    - Delays execution with timeout.exe
    PID:596
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1632
- - C:\Windows\SysWOW64\timeout.exe
    timeout 1
    3⤵
    - Delays execution with timeout.exe
    PID:268
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe
  "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.c256502f66dbd289.10792.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1108
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:960
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\vlc.exe"
      4⤵
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:748
    - - C:\Users\Admin\AppData\Roaming\vlc.exe
        
        C:\Users\Admin\AppData\Roaming\vlc.exe
        5⤵
        Executes dropped EXE
        Suspicious use of NtSetInformationThreadHideFromDebugger
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:464
      - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c timeout 1
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:672
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout 1
        7⤵
        Delays execution with timeout.exe
        
        PID:1064
      - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c timeout 1
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:752
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout 1
        7⤵
        Delays execution with timeout.exe
        
        PID:1592
      - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c timeout 1
        6⤵
        
        PID:1564
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout 1
        7⤵
        Delays execution with timeout.exe
        
        PID:1520
      - C:\Users\Admin\AppData\Roaming\vlc.exe
        
        "C:\Users\Admin\AppData\Roaming\vlc.exe"
        6⤵
        Executes dropped EXE
        Adds Run key to start application
        Suspicious use of SetThreadContext
        Suspicious use of SetWindowsHookEx
        
        PID:1748
        
        C:\Users\Admin\AppData\Roaming\vlc.exe
        
        C:\Users\Admin\AppData\Roaming\vlc.exe /stext "C:\Users\Admin\AppData\Local\Temp\ypyxewsoyclxboxtqulnauekwloedokpbe"
        7⤵
        
        PID:700
        
        C:\Users\Admin\AppData\Roaming\vlc.exe
        
        C:\Users\Admin\AppData\Roaming\vlc.exe /stext "C:\Users\Admin\AppData\Local\Temp\ypyxewsoyclxboxtqulnauekwloedokpbe"
        7⤵
        
        PID:1424
        
        C:\Users\Admin\AppData\Roaming\vlc.exe
        
        C:\Users\Admin\AppData\Roaming\vlc.exe /stext "C:\Users\Admin\AppData\Local\Temp\ypyxewsoyclxboxtqulnauekwloedokpbe"
        7⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        
        PID:1496
        
        C:\Users\Admin\AppData\Roaming\vlc.exe
        
        C:\Users\Admin\AppData\Roaming\vlc.exe /stext "C:\Users\Admin\AppData\Local\Temp\bsdhfp"
        7⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:292
        
        C:\Users\Admin\AppData\Roaming\vlc.exe
        
        C:\Users\Admin\AppData\Roaming\vlc.exe /stext "C:\Users\Admin\AppData\Local\Temp\lmiaghnja"
        7⤵
        Executes dropped EXE
        
        PID:1200

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/292-56-0x0000000000400000-0x0000000000424000-memory.dmp

Download

memory/292-48-0x0000000000400000-0x0000000000424000-memory.dmp

Download

memory/292-53-0x0000000000400000-0x0000000000424000-memory.dmp

Download

memory/464-25-0x0000000073980000-0x000000007406E000-memory.dmp

Download

memory/464-26-0x0000000001290000-0x0000000001291000-memory.dmp

Download

memory/960-19-0x0000000002710000-0x0000000002714000-memory.dmp

Download

memory/1108-15-0x0000000000400000-0x0000000000421000-memory.dmp

Download

memory/1108-12-0x0000000000400000-0x0000000000421000-memory.dmp

Download

memory/1200-59-0x0000000000400000-0x0000000000457000-memory.dmp

Download

memory/1200-58-0x0000000000400000-0x0000000000457000-memory.dmp

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memory/1200-54-0x0000000000400000-0x0000000000457000-memory.dmp

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memory/1476-60-0x000007FEF5D50000-0x000007FEF5FCA000-memory.dmp

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memory/1496-45-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/1496-50-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/1496-52-0x0000000000400000-0x0000000000478000-memory.dmp

Download

memory/1748-38-0x0000000000400000-0x0000000000421000-memory.dmp

Download

memory/1824-5-0x0000000000520000-0x0000000000550000-memory.dmp

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memory/1824-14-0x0000000000400000-0x0000000000401000-memory.dmp

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memory/1824-2-0x0000000073980000-0x000000007406E000-memory.dmp

Download

memory/1824-3-0x0000000000D80000-0x0000000000D81000-memory.dmp

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