remcos | 57fc9b56b7887f6e0fd20e60199d0123db28f2051abfabf7b924298c276cdf91

General

Target

IT Gadget_RFQ.exe
Size

975KB
MD5

826b3ba76c427c9ddc756b6c84cd39f5
SHA1

dd47f1472496c0137c5ba9f03bf6e8d55158f651
SHA256

c6b113d59ce488200203bb30c67ed4b9ae483eb398b0e6cfa69357e3e20bc051
SHA512

6a15c01ac8e3acec2e596cf384e7c2f60676e7a3fa82b40bb397c9d6d05ab8c49895753ea7f1cb4d2fb1c72e036ea5415668d482e8e908b35351d957aa1391c8
SSDEEP

24576:OUobyWLfvFCY7BgbOtAmAGXB+PcU0LNlL:XgLfvIEBgDmAG2cvPL

Score

10^/10

remcos discovery execution rat

Malware Config

Signatures

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

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1140 set thread context of 2752	1140	IT Gadget_RFQ.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2648	2752	WerFault.exe	33

System Location Discovery: System Language Discovery 1 TTPs 4 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	IT Gadget_RFQ.exe
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	IT Gadget_RFQ.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
2816	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1140	IT Gadget_RFQ.exe
1140	IT Gadget_RFQ.exe
1140	IT Gadget_RFQ.exe
1140	IT Gadget_RFQ.exe
1140	IT Gadget_RFQ.exe
1140	IT Gadget_RFQ.exe
1140	IT Gadget_RFQ.exe
2696	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1140	IT Gadget_RFQ.exe
Token: SeDebugPrivilege	2696	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 2696	1140	IT Gadget_RFQ.exe	29
PID 1140 wrote to memory of 2696	1140	IT Gadget_RFQ.exe	29
PID 1140 wrote to memory of 2696	1140	IT Gadget_RFQ.exe	29
PID 1140 wrote to memory of 2696	1140	IT Gadget_RFQ.exe	29
PID 1140 wrote to memory of 2816	1140	IT Gadget_RFQ.exe	31
PID 1140 wrote to memory of 2816	1140	IT Gadget_RFQ.exe	31
PID 1140 wrote to memory of 2816	1140	IT Gadget_RFQ.exe	31
PID 1140 wrote to memory of 2816	1140	IT Gadget_RFQ.exe	31
PID 1140 wrote to memory of 2752	1140	IT Gadget_RFQ.exe	33
PID 1140 wrote to memory of 2752	1140	IT Gadget_RFQ.exe	33
PID 1140 wrote to memory of 2752	1140	IT Gadget_RFQ.exe	33
PID 1140 wrote to memory of 2752	1140	IT Gadget_RFQ.exe	33
PID 1140 wrote to memory of 2752	1140	IT Gadget_RFQ.exe	33
PID 1140 wrote to memory of 2752	1140	IT Gadget_RFQ.exe	33
PID 1140 wrote to memory of 2752	1140	IT Gadget_RFQ.exe	33
PID 1140 wrote to memory of 2752	1140	IT Gadget_RFQ.exe	33
PID 1140 wrote to memory of 2752	1140	IT Gadget_RFQ.exe	33
PID 1140 wrote to memory of 2752	1140	IT Gadget_RFQ.exe	33
PID 1140 wrote to memory of 2752	1140	IT Gadget_RFQ.exe	33
PID 1140 wrote to memory of 2752	1140	IT Gadget_RFQ.exe	33
PID 1140 wrote to memory of 2752	1140	IT Gadget_RFQ.exe	33
PID 2752 wrote to memory of 2648	2752	IT Gadget_RFQ.exe	34
PID 2752 wrote to memory of 2648	2752	IT Gadget_RFQ.exe	34
PID 2752 wrote to memory of 2648	2752	IT Gadget_RFQ.exe	34
PID 2752 wrote to memory of 2648	2752	IT Gadget_RFQ.exe	34

C:\Users\Admin\AppData\Local\Temp\IT Gadget_RFQ.exe
"C:\Users\Admin\AppData\Local\Temp\IT Gadget_RFQ.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1140
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yBciedAUQyWGH.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2696
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yBciedAUQyWGH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp35B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2816
- C:\Users\Admin\AppData\Local\Temp\IT Gadget_RFQ.exe
  "C:\Users\Admin\AppData\Local\Temp\IT Gadget_RFQ.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2752
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2752 -s 200
    3⤵
    - Program crash
    PID:2648

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:\Users\Admin\AppData\Local\Temp\tmp35B.tmp

Filesize
1KB

MD5
14f3250da8051bfd4282ac47ad0f7cb4

SHA1
66403a3dfd95727dce549fb7538b642830778801

SHA256
47abf80882be8acf4444be0fa9a042d413353e713a42581e874ea681812fbb4a

SHA512
89c17986ff68f80cc73a5d22785d5171f677e19e2f040f741347bee3de6f3b715656b475cbc0dfef1febdc063bb42f7aa9b714d8a2923e31081e7d2edc09096b

Download Submit
memory/1140-0-0x000000007428E000-0x000000007428F000-memory.dmp

Filesize
4KB

Download
memory/1140-1-0x0000000001340000-0x000000000143A000-memory.dmp

Filesize
1000KB

Download
memory/1140-2-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/1140-3-0x0000000000470000-0x0000000000488000-memory.dmp

Filesize
96KB

Download
memory/1140-4-0x000000007428E000-0x000000007428F000-memory.dmp

Filesize
4KB

Download
memory/1140-5-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/1140-6-0x0000000004B10000-0x0000000004BD0000-memory.dmp

Filesize
768KB

Download
memory/1140-33-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/2752-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2752-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2752-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2752-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2752-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2752-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2752-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2752-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2752-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2752-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2752-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads