remcos | 7db8c02cc05e287e3d0219807e5e505b44f19180fa6401bc47107e92f36dd3ff

General

Target

Factura Serfinanza022880209777477966487010096.exe
Size

135KB
MD5

8ee3cff17a552175cd7d2bcf92b4bc51
SHA1

e4b7f445dd5811f937d4978689f3643113a1dc2f
SHA256

7db8c02cc05e287e3d0219807e5e505b44f19180fa6401bc47107e92f36dd3ff
SHA512

8a54cee30ce735b08880165be18272f318d6c44c741fa89eee61ef05922ccbcb7f233aa74c9c576a54d5c607a36b74190b8c5c1f794aeb8681bea06caa37357d

Score

10^/10

remcos persistence rat

Malware Config

Extracted

Family

remcos

C2

databasepropersonombrecomercialideasearchwords.services:3521

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Executes dropped EXE 2 IoCs

Processes:

PxxoServicesTrialNet1.exePxxoServicesTrialNet1.exe

pid process

3944 PxxoServicesTrialNet1.exe
1960 PxxoServicesTrialNet1.exe

pid	process
3944	PxxoServicesTrialNet1.exe
1960	PxxoServicesTrialNet1.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Factura Serfinanza022880209777477966487010096.exePxxoServicesTrialNet1.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\	Factura Serfinanza022880209777477966487010096.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\MservicesOrg2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System32\\PxxoServicesTrialNet1.exe\""	Factura Serfinanza022880209777477966487010096.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\	PxxoServicesTrialNet1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\MservicesOrg2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System32\\PxxoServicesTrialNet1.exe\""	PxxoServicesTrialNet1.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

Factura Serfinanza022880209777477966487010096.exePxxoServicesTrialNet1.exe

description	pid	process	target process
PID 796 set thread context of 2088	796	Factura Serfinanza022880209777477966487010096.exe	Factura Serfinanza022880209777477966487010096.exe
PID 3944 set thread context of 1960	3944	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

Factura Serfinanza022880209777477966487010096.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings	Factura Serfinanza022880209777477966487010096.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Factura Serfinanza022880209777477966487010096.exe

pid process

796 Factura Serfinanza022880209777477966487010096.exe
796 Factura Serfinanza022880209777477966487010096.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Factura Serfinanza022880209777477966487010096.exe

description pid process

Token: SeDebugPrivilege 796 Factura Serfinanza022880209777477966487010096.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PxxoServicesTrialNet1.exe

pid process

1960 PxxoServicesTrialNet1.exe

pid	process
796	Factura Serfinanza022880209777477966487010096.exe
796	Factura Serfinanza022880209777477966487010096.exe

description	pid	process
Token: SeDebugPrivilege	796	Factura Serfinanza022880209777477966487010096.exe

pid	process
1960	PxxoServicesTrialNet1.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

Factura Serfinanza022880209777477966487010096.exeFactura Serfinanza022880209777477966487010096.exeWScript.execmd.exePxxoServicesTrialNet1.exe

description	pid	process	target process
PID 796 wrote to memory of 2696	796	Factura Serfinanza022880209777477966487010096.exe	Factura Serfinanza022880209777477966487010096.exe
PID 796 wrote to memory of 2696	796	Factura Serfinanza022880209777477966487010096.exe	Factura Serfinanza022880209777477966487010096.exe
PID 796 wrote to memory of 2696	796	Factura Serfinanza022880209777477966487010096.exe	Factura Serfinanza022880209777477966487010096.exe
PID 796 wrote to memory of 2088	796	Factura Serfinanza022880209777477966487010096.exe	Factura Serfinanza022880209777477966487010096.exe
PID 796 wrote to memory of 2088	796	Factura Serfinanza022880209777477966487010096.exe	Factura Serfinanza022880209777477966487010096.exe
PID 796 wrote to memory of 2088	796	Factura Serfinanza022880209777477966487010096.exe	Factura Serfinanza022880209777477966487010096.exe
PID 796 wrote to memory of 2088	796	Factura Serfinanza022880209777477966487010096.exe	Factura Serfinanza022880209777477966487010096.exe
PID 796 wrote to memory of 2088	796	Factura Serfinanza022880209777477966487010096.exe	Factura Serfinanza022880209777477966487010096.exe
PID 796 wrote to memory of 2088	796	Factura Serfinanza022880209777477966487010096.exe	Factura Serfinanza022880209777477966487010096.exe
PID 796 wrote to memory of 2088	796	Factura Serfinanza022880209777477966487010096.exe	Factura Serfinanza022880209777477966487010096.exe
PID 796 wrote to memory of 2088	796	Factura Serfinanza022880209777477966487010096.exe	Factura Serfinanza022880209777477966487010096.exe
PID 796 wrote to memory of 2088	796	Factura Serfinanza022880209777477966487010096.exe	Factura Serfinanza022880209777477966487010096.exe
PID 796 wrote to memory of 2088	796	Factura Serfinanza022880209777477966487010096.exe	Factura Serfinanza022880209777477966487010096.exe
PID 2088 wrote to memory of 1176	2088	Factura Serfinanza022880209777477966487010096.exe	WScript.exe
PID 2088 wrote to memory of 1176	2088	Factura Serfinanza022880209777477966487010096.exe	WScript.exe
PID 2088 wrote to memory of 1176	2088	Factura Serfinanza022880209777477966487010096.exe	WScript.exe
PID 1176 wrote to memory of 3380	1176	WScript.exe	cmd.exe
PID 1176 wrote to memory of 3380	1176	WScript.exe	cmd.exe
PID 1176 wrote to memory of 3380	1176	WScript.exe	cmd.exe
PID 3380 wrote to memory of 3944	3380	cmd.exe	PxxoServicesTrialNet1.exe
PID 3380 wrote to memory of 3944	3380	cmd.exe	PxxoServicesTrialNet1.exe
PID 3380 wrote to memory of 3944	3380	cmd.exe	PxxoServicesTrialNet1.exe
PID 3944 wrote to memory of 1960	3944	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 3944 wrote to memory of 1960	3944	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 3944 wrote to memory of 1960	3944	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 3944 wrote to memory of 1960	3944	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 3944 wrote to memory of 1960	3944	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 3944 wrote to memory of 1960	3944	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 3944 wrote to memory of 1960	3944	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 3944 wrote to memory of 1960	3944	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 3944 wrote to memory of 1960	3944	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 3944 wrote to memory of 1960	3944	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe

C:\Users\Admin\AppData\Local\Temp\Factura Serfinanza022880209777477966487010096.exe
"C:\Users\Admin\AppData\Local\Temp\Factura Serfinanza022880209777477966487010096.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:796

C:\Users\Admin\AppData\Local\Temp\Factura Serfinanza022880209777477966487010096.exe
"C:\Users\Admin\AppData\Local\Temp\Factura Serfinanza022880209777477966487010096.exe"
2⤵
PID:2696

C:\Users\Admin\AppData\Local\Temp\Factura Serfinanza022880209777477966487010096.exe
"C:\Users\Admin\AppData\Local\Temp\Factura Serfinanza022880209777477966487010096.exe"
2⤵
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2088

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
3⤵
- Suspicious use of WriteProcessMemory
PID:1176

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe"
4⤵
- Suspicious use of WriteProcessMemory
PID:3380

C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe
C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3944

C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe
"C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe"
6⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
PID:1960

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\install.vbs
MD5
a39af763b1c09ead3c98a6a615f377fe

SHA1
9bd3d39c89e47fe7072270ecc80b810103235c03

SHA256
a3930d7535eb768523ee52bbe69f13f857a0ae0f982d7bfc354d802f21010f8f

SHA512
3ed8e33ac95fd2536286b4afb2ed2a082bb5f98843478262b32263a14a5dbe0425de7b8d9662a5e482b207ebf8484ace8009ecd1881a6f6f8b0ccf3b0fdfe5da

Download Submit
C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe
MD5
8ee3cff17a552175cd7d2bcf92b4bc51

SHA1
e4b7f445dd5811f937d4978689f3643113a1dc2f

SHA256
7db8c02cc05e287e3d0219807e5e505b44f19180fa6401bc47107e92f36dd3ff

SHA512
8a54cee30ce735b08880165be18272f318d6c44c741fa89eee61ef05922ccbcb7f233aa74c9c576a54d5c607a36b74190b8c5c1f794aeb8681bea06caa37357d

Download Submit
C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe
MD5
8ee3cff17a552175cd7d2bcf92b4bc51

SHA1
e4b7f445dd5811f937d4978689f3643113a1dc2f

SHA256
7db8c02cc05e287e3d0219807e5e505b44f19180fa6401bc47107e92f36dd3ff

SHA512
8a54cee30ce735b08880165be18272f318d6c44c741fa89eee61ef05922ccbcb7f233aa74c9c576a54d5c607a36b74190b8c5c1f794aeb8681bea06caa37357d

Download Submit
C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe
MD5
8ee3cff17a552175cd7d2bcf92b4bc51

SHA1
e4b7f445dd5811f937d4978689f3643113a1dc2f

SHA256
7db8c02cc05e287e3d0219807e5e505b44f19180fa6401bc47107e92f36dd3ff

SHA512
8a54cee30ce735b08880165be18272f318d6c44c741fa89eee61ef05922ccbcb7f233aa74c9c576a54d5c607a36b74190b8c5c1f794aeb8681bea06caa37357d

Download Submit
C:\Users\Admin\OPqcbCYdOIAqUQbOxTABjHSzEzX
MD5
c219b922aa15dde208d2929c49226b08

SHA1
3647086fe46c7c328d53ecff8811311944d762b1

SHA256
b0d33778a580f0f2469db5f263a9a87b0f2bfb0c300f774e7752d6facc06ba56

SHA512
2e3412fab760b53c926b3a934fab15201b9a9043fb238859e66ebeff94edf38e5386e5ec70c55b0171e648deb40c2866854dde42e95035541349a5722a6c36be

Download Submit
memory/796-119-0x00000000061A0000-0x00000000061A1000-memory.dmp

Filesize
4KB

Download
memory/796-118-0x0000000001140000-0x000000000116C000-memory.dmp

Filesize
176KB

Download
memory/796-116-0x0000000005010000-0x0000000005011000-memory.dmp

Filesize
4KB

Download
memory/796-117-0x00000000051C0000-0x00000000051C1000-memory.dmp

Filesize
4KB

Download
memory/796-114-0x00000000007E0000-0x00000000007E1000-memory.dmp

Filesize
4KB

Download
memory/1176-123-0x0000000000000000-mapping.dmp

Download
memory/1960-139-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1960-137-0x0000000000413FA4-mapping.dmp

Download
memory/2088-120-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2088-121-0x0000000000413FA4-mapping.dmp

Download
memory/2088-122-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3380-125-0x0000000000000000-mapping.dmp

Download
memory/3944-126-0x0000000000000000-mapping.dmp

Download
memory/3944-135-0x0000000006930000-0x0000000006931000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads