remcos | 6906ef12bac9de7c7867bb067e2c7415680e07ffca9b9b3523cc2843e2174d7b

General

Target

Factura Serfinanza010714008071991847569194350.exe
Size

128KB
MD5

1a152aa6ddf352230b7351c563d675a3
SHA1

517ef6ac130eecc9ea1d0443552fd184187254f3
SHA256

6906ef12bac9de7c7867bb067e2c7415680e07ffca9b9b3523cc2843e2174d7b
SHA512

1178ed0d9f9f2ce401860723aaa4f21981bd3a6186c0fad482a58c5a63e58b2461e1c0d051d6dd8763c4ed184051e700a755db190e072f06f73ed4c660356c3e

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

2824 PxxoServicesTrialNet1.exe
2060 PxxoServicesTrialNet1.exe

pid	process
2824	PxxoServicesTrialNet1.exe
2060	PxxoServicesTrialNet1.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Factura Serfinanza010714008071991847569194350.exePxxoServicesTrialNet1.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\	Factura Serfinanza010714008071991847569194350.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 Serfinanza010714008071991847569194350.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 Serfinanza010714008071991847569194350.exePxxoServicesTrialNet1.exe

description	pid	process	target process
PID 856 set thread context of 3684	856	Factura Serfinanza010714008071991847569194350.exe	Factura Serfinanza010714008071991847569194350.exe
PID 2824 set thread context of 2060	2824	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 Serfinanza010714008071991847569194350.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings	Factura Serfinanza010714008071991847569194350.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Factura Serfinanza010714008071991847569194350.exe

pid	process
856	Factura Serfinanza010714008071991847569194350.exe
856	Factura Serfinanza010714008071991847569194350.exe
856	Factura Serfinanza010714008071991847569194350.exe
856	Factura Serfinanza010714008071991847569194350.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Factura Serfinanza010714008071991847569194350.exe

description pid process

Token: SeDebugPrivilege 856 Factura Serfinanza010714008071991847569194350.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PxxoServicesTrialNet1.exe

pid process

2060 PxxoServicesTrialNet1.exe

description	pid	process
Token: SeDebugPrivilege	856	Factura Serfinanza010714008071991847569194350.exe

pid	process
2060	PxxoServicesTrialNet1.exe

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

Factura Serfinanza010714008071991847569194350.exeFactura Serfinanza010714008071991847569194350.exeWScript.execmd.exePxxoServicesTrialNet1.exe

description	pid	process	target process
PID 856 wrote to memory of 1676	856	Factura Serfinanza010714008071991847569194350.exe	Factura Serfinanza010714008071991847569194350.exe
PID 856 wrote to memory of 1676	856	Factura Serfinanza010714008071991847569194350.exe	Factura Serfinanza010714008071991847569194350.exe
PID 856 wrote to memory of 1676	856	Factura Serfinanza010714008071991847569194350.exe	Factura Serfinanza010714008071991847569194350.exe
PID 856 wrote to memory of 644	856	Factura Serfinanza010714008071991847569194350.exe	Factura Serfinanza010714008071991847569194350.exe
PID 856 wrote to memory of 644	856	Factura Serfinanza010714008071991847569194350.exe	Factura Serfinanza010714008071991847569194350.exe
PID 856 wrote to memory of 644	856	Factura Serfinanza010714008071991847569194350.exe	Factura Serfinanza010714008071991847569194350.exe
PID 856 wrote to memory of 3684	856	Factura Serfinanza010714008071991847569194350.exe	Factura Serfinanza010714008071991847569194350.exe
PID 856 wrote to memory of 3684	856	Factura Serfinanza010714008071991847569194350.exe	Factura Serfinanza010714008071991847569194350.exe
PID 856 wrote to memory of 3684	856	Factura Serfinanza010714008071991847569194350.exe	Factura Serfinanza010714008071991847569194350.exe
PID 856 wrote to memory of 3684	856	Factura Serfinanza010714008071991847569194350.exe	Factura Serfinanza010714008071991847569194350.exe
PID 856 wrote to memory of 3684	856	Factura Serfinanza010714008071991847569194350.exe	Factura Serfinanza010714008071991847569194350.exe
PID 856 wrote to memory of 3684	856	Factura Serfinanza010714008071991847569194350.exe	Factura Serfinanza010714008071991847569194350.exe
PID 856 wrote to memory of 3684	856	Factura Serfinanza010714008071991847569194350.exe	Factura Serfinanza010714008071991847569194350.exe
PID 856 wrote to memory of 3684	856	Factura Serfinanza010714008071991847569194350.exe	Factura Serfinanza010714008071991847569194350.exe
PID 856 wrote to memory of 3684	856	Factura Serfinanza010714008071991847569194350.exe	Factura Serfinanza010714008071991847569194350.exe
PID 856 wrote to memory of 3684	856	Factura Serfinanza010714008071991847569194350.exe	Factura Serfinanza010714008071991847569194350.exe
PID 3684 wrote to memory of 3596	3684	Factura Serfinanza010714008071991847569194350.exe	WScript.exe
PID 3684 wrote to memory of 3596	3684	Factura Serfinanza010714008071991847569194350.exe	WScript.exe
PID 3684 wrote to memory of 3596	3684	Factura Serfinanza010714008071991847569194350.exe	WScript.exe
PID 3596 wrote to memory of 2204	3596	WScript.exe	cmd.exe
PID 3596 wrote to memory of 2204	3596	WScript.exe	cmd.exe
PID 3596 wrote to memory of 2204	3596	WScript.exe	cmd.exe
PID 2204 wrote to memory of 2824	2204	cmd.exe	PxxoServicesTrialNet1.exe
PID 2204 wrote to memory of 2824	2204	cmd.exe	PxxoServicesTrialNet1.exe
PID 2204 wrote to memory of 2824	2204	cmd.exe	PxxoServicesTrialNet1.exe
PID 2824 wrote to memory of 2060	2824	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 2824 wrote to memory of 2060	2824	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 2824 wrote to memory of 2060	2824	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 2824 wrote to memory of 2060	2824	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 2824 wrote to memory of 2060	2824	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 2824 wrote to memory of 2060	2824	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 2824 wrote to memory of 2060	2824	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 2824 wrote to memory of 2060	2824	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 2824 wrote to memory of 2060	2824	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 2824 wrote to memory of 2060	2824	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe

C:\Users\Admin\AppData\Local\Temp\Factura Serfinanza010714008071991847569194350.exe
"C:\Users\Admin\AppData\Local\Temp\Factura Serfinanza010714008071991847569194350.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:856

C:\Users\Admin\AppData\Local\Temp\Factura Serfinanza010714008071991847569194350.exe
"C:\Users\Admin\AppData\Local\Temp\Factura Serfinanza010714008071991847569194350.exe"
2⤵
PID:1676

C:\Users\Admin\AppData\Local\Temp\Factura Serfinanza010714008071991847569194350.exe
"C:\Users\Admin\AppData\Local\Temp\Factura Serfinanza010714008071991847569194350.exe"
2⤵
PID:644

C:\Users\Admin\AppData\Local\Temp\Factura Serfinanza010714008071991847569194350.exe
"C:\Users\Admin\AppData\Local\Temp\Factura Serfinanza010714008071991847569194350.exe"
2⤵
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3684

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
3⤵
- Suspicious use of WriteProcessMemory
PID:3596

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:2204

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:2824

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:2060

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
1a152aa6ddf352230b7351c563d675a3

SHA1
517ef6ac130eecc9ea1d0443552fd184187254f3

SHA256
6906ef12bac9de7c7867bb067e2c7415680e07ffca9b9b3523cc2843e2174d7b

SHA512
1178ed0d9f9f2ce401860723aaa4f21981bd3a6186c0fad482a58c5a63e58b2461e1c0d051d6dd8763c4ed184051e700a755db190e072f06f73ed4c660356c3e

Download Submit
C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe
MD5
1a152aa6ddf352230b7351c563d675a3

SHA1
517ef6ac130eecc9ea1d0443552fd184187254f3

SHA256
6906ef12bac9de7c7867bb067e2c7415680e07ffca9b9b3523cc2843e2174d7b

SHA512
1178ed0d9f9f2ce401860723aaa4f21981bd3a6186c0fad482a58c5a63e58b2461e1c0d051d6dd8763c4ed184051e700a755db190e072f06f73ed4c660356c3e

Download Submit
C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe
MD5
1a152aa6ddf352230b7351c563d675a3

SHA1
517ef6ac130eecc9ea1d0443552fd184187254f3

SHA256
6906ef12bac9de7c7867bb067e2c7415680e07ffca9b9b3523cc2843e2174d7b

SHA512
1178ed0d9f9f2ce401860723aaa4f21981bd3a6186c0fad482a58c5a63e58b2461e1c0d051d6dd8763c4ed184051e700a755db190e072f06f73ed4c660356c3e

Download Submit
C:\Users\Admin\NKvhqsFxQ
MD5
f761c0dfcfb3499255fd0997e66bb9a9

SHA1
e28cad309b4b6df350e66da10820bfe5761d5606

SHA256
78e2d014ef05ae8a299baeedbb2a03d406e0500872739ea1514a0e1b84186230

SHA512
0b71d81d4afa48209096768980567b76ea544942f1bb366c67b86d76e92998eb9c920a4b1e86b8bd360259aecbdfc43b66fdd731bc8c9d3da04b1ffcae29967f

Download Submit
memory/856-119-0x0000000006960000-0x0000000006961000-memory.dmp

Filesize
4KB

Download
memory/856-118-0x0000000005120000-0x0000000005155000-memory.dmp

Filesize
212KB

Download
memory/856-116-0x0000000005700000-0x0000000005701000-memory.dmp

Filesize
4KB

Download
memory/856-114-0x0000000000DB0000-0x0000000000DB1000-memory.dmp

Filesize
4KB

Download
memory/856-117-0x0000000005880000-0x0000000005881000-memory.dmp

Filesize
4KB

Download
memory/2060-139-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2060-137-0x0000000000413FA4-mapping.dmp

Download
memory/2204-125-0x0000000000000000-mapping.dmp

Download
memory/2824-135-0x0000000004AC0000-0x0000000004AC1000-memory.dmp

Filesize
4KB

Download
memory/2824-126-0x0000000000000000-mapping.dmp

Download
memory/3596-122-0x0000000000000000-mapping.dmp

Download
memory/3684-121-0x0000000000413FA4-mapping.dmp

Download
memory/3684-124-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3684-120-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads