remcos | b96287218d12e12274b2c11099833981affae08eb71c6a37f7155456e87866a0

General

Target

Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe
Size

181KB
MD5

357f02cbb2bd479ff6150fd692ce37e8
SHA1

b90a32b5e542b27f20413fff6ad627f2418dbbf5
SHA256

b96287218d12e12274b2c11099833981affae08eb71c6a37f7155456e87866a0
SHA512

40bed9e43c70b4b09e7eb6ffa63629ddc4148398f0851bb286ae02bc6f46586031d69f45be241d97e92cf747b0125e76fc9eadf65ed855703dd4a3f9740428d6

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

924 PxxoServicesTrialNet1.exe
1168 PxxoServicesTrialNet1.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

304 cmd.exe

pid	process
924	PxxoServicesTrialNet1.exe
1168	PxxoServicesTrialNet1.exe

pid	process
304	cmd.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PxxoServicesTrialNet1.exeFactura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\	PxxoServicesTrialNet1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\MservicesOrg2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System32\\PxxoServicesTrialNet1.exe\""	PxxoServicesTrialNet1.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\MservicesOrg2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System32\\PxxoServicesTrialNet1.exe\""	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exePxxoServicesTrialNet1.exe

description	pid	process	target process
PID 1668 set thread context of 1288	1668	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe
PID 924 set thread context of 1168	924	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

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe

description	pid	process
Token: SeDebugPrivilege	1668	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PxxoServicesTrialNet1.exe

pid process

1168 PxxoServicesTrialNet1.exe

pid	process
1168	PxxoServicesTrialNet1.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exeFactura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exeWScript.execmd.exePxxoServicesTrialNet1.exe

description	pid	process	target process
PID 1668 wrote to memory of 1288	1668	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe
PID 1668 wrote to memory of 1288	1668	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe
PID 1668 wrote to memory of 1288	1668	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe
PID 1668 wrote to memory of 1288	1668	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe
PID 1668 wrote to memory of 1288	1668	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe
PID 1668 wrote to memory of 1288	1668	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe
PID 1668 wrote to memory of 1288	1668	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe
PID 1668 wrote to memory of 1288	1668	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe
PID 1668 wrote to memory of 1288	1668	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe
PID 1668 wrote to memory of 1288	1668	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe
PID 1668 wrote to memory of 1288	1668	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe
PID 1288 wrote to memory of 884	1288	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe	WScript.exe
PID 1288 wrote to memory of 884	1288	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe	WScript.exe
PID 1288 wrote to memory of 884	1288	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe	WScript.exe
PID 1288 wrote to memory of 884	1288	Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe	WScript.exe
PID 884 wrote to memory of 304	884	WScript.exe	cmd.exe
PID 884 wrote to memory of 304	884	WScript.exe	cmd.exe
PID 884 wrote to memory of 304	884	WScript.exe	cmd.exe
PID 884 wrote to memory of 304	884	WScript.exe	cmd.exe
PID 304 wrote to memory of 924	304	cmd.exe	PxxoServicesTrialNet1.exe
PID 304 wrote to memory of 924	304	cmd.exe	PxxoServicesTrialNet1.exe
PID 304 wrote to memory of 924	304	cmd.exe	PxxoServicesTrialNet1.exe
PID 304 wrote to memory of 924	304	cmd.exe	PxxoServicesTrialNet1.exe
PID 924 wrote to memory of 1168	924	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 924 wrote to memory of 1168	924	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 924 wrote to memory of 1168	924	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 924 wrote to memory of 1168	924	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 924 wrote to memory of 1168	924	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 924 wrote to memory of 1168	924	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 924 wrote to memory of 1168	924	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 924 wrote to memory of 1168	924	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 924 wrote to memory of 1168	924	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 924 wrote to memory of 1168	924	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 924 wrote to memory of 1168	924	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe

C:\Users\Admin\AppData\Local\Temp\Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1668

C:\Users\Admin\AppData\Local\Temp\Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Factura Serfinanza_0988591359_871136_7591212483295942_9416349_83986212193236775_0965000963599604_pdf.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1288

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
3⤵
- Suspicious use of WriteProcessMemory
PID:884

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe"
4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:304

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:924

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:1168

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
357f02cbb2bd479ff6150fd692ce37e8

SHA1
b90a32b5e542b27f20413fff6ad627f2418dbbf5

SHA256
b96287218d12e12274b2c11099833981affae08eb71c6a37f7155456e87866a0

SHA512
40bed9e43c70b4b09e7eb6ffa63629ddc4148398f0851bb286ae02bc6f46586031d69f45be241d97e92cf747b0125e76fc9eadf65ed855703dd4a3f9740428d6

Download Submit
C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe
MD5
357f02cbb2bd479ff6150fd692ce37e8

SHA1
b90a32b5e542b27f20413fff6ad627f2418dbbf5

SHA256
b96287218d12e12274b2c11099833981affae08eb71c6a37f7155456e87866a0

SHA512
40bed9e43c70b4b09e7eb6ffa63629ddc4148398f0851bb286ae02bc6f46586031d69f45be241d97e92cf747b0125e76fc9eadf65ed855703dd4a3f9740428d6

Download Submit
C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe
MD5
357f02cbb2bd479ff6150fd692ce37e8

SHA1
b90a32b5e542b27f20413fff6ad627f2418dbbf5

SHA256
b96287218d12e12274b2c11099833981affae08eb71c6a37f7155456e87866a0

SHA512
40bed9e43c70b4b09e7eb6ffa63629ddc4148398f0851bb286ae02bc6f46586031d69f45be241d97e92cf747b0125e76fc9eadf65ed855703dd4a3f9740428d6

Download Submit
C:\Users\Admin\B4fb7cCzWxq7qlNcj1G5f0
MD5
5594fa7fe5ed47984afb94c097051514

SHA1
0b41633c066c2e37e2ba65f57082de87273e95c9

SHA256
7ddc8e010aa3529acee627677855d8cee7b09edd9644272eca6fc807da898d41

SHA512
9c437f2385fbe72a99cfcc35b7d632edf4d753624837d8aeaa202c2e1c94833d07d4a7c99bb395c5cf0b1e71339a849216885204f49a32664c1212a38446e73f

Download Submit
\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe
MD5
357f02cbb2bd479ff6150fd692ce37e8

SHA1
b90a32b5e542b27f20413fff6ad627f2418dbbf5

SHA256
b96287218d12e12274b2c11099833981affae08eb71c6a37f7155456e87866a0

SHA512
40bed9e43c70b4b09e7eb6ffa63629ddc4148398f0851bb286ae02bc6f46586031d69f45be241d97e92cf747b0125e76fc9eadf65ed855703dd4a3f9740428d6

Download Submit
memory/304-72-0x0000000000000000-mapping.dmp

Download
memory/884-69-0x0000000000000000-mapping.dmp

Download
memory/924-77-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/924-75-0x0000000000000000-mapping.dmp

Download
memory/924-81-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

Filesize
4KB

Download
memory/1168-86-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1168-83-0x0000000000413FA4-mapping.dmp

Download
memory/1288-65-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1288-68-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1288-66-0x0000000000413FA4-mapping.dmp

Download
memory/1668-64-0x00000000002D0000-0x00000000002F7000-memory.dmp

Filesize
156KB

Download
memory/1668-63-0x0000000004E00000-0x0000000004E01000-memory.dmp

Filesize
4KB

Download
memory/1668-60-0x0000000000B10000-0x0000000000B11000-memory.dmp

Filesize
4KB

Download
memory/1668-62-0x0000000075B31000-0x0000000075B33000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads