remcos | d4752bb762255005415e0dfd254fc06a6d5c432775f35c73e18b2e5c7ecd3b06

General

Target

EXTRACTOSERFINANZA894978636268808051252452885.exe
Size

179KB
MD5

be5fb23d73970ef4c664059d1584b709
SHA1

2c76f4e442221e65c37cf569da508544d0b99602
SHA256

d4752bb762255005415e0dfd254fc06a6d5c432775f35c73e18b2e5c7ecd3b06
SHA512

ca27abdeca077b63ea61419d69027acd83d79bfc1676a0932ae530125a08cc98478e4940bb4b6f59308efa5054c6f30d2a31010af503ceb70ceba88133dadb1e

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

500 PxxoServicesTrialNet1.exe
2452 PxxoServicesTrialNet1.exe

pid	process
500	PxxoServicesTrialNet1.exe
2452	PxxoServicesTrialNet1.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PxxoServicesTrialNet1.exeEXTRACTOSERFINANZA894978636268808051252452885.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\MservicesOrg2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System32\\PxxoServicesTrialNet1.exe\""	PxxoServicesTrialNet1.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\	EXTRACTOSERFINANZA894978636268808051252452885.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\MservicesOrg2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System32\\PxxoServicesTrialNet1.exe\""	EXTRACTOSERFINANZA894978636268808051252452885.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\	PxxoServicesTrialNet1.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

EXTRACTOSERFINANZA894978636268808051252452885.exePxxoServicesTrialNet1.exe

description	pid	process	target process
PID 3944 set thread context of 3800	3944	EXTRACTOSERFINANZA894978636268808051252452885.exe	EXTRACTOSERFINANZA894978636268808051252452885.exe
PID 500 set thread context of 2452	500	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:

EXTRACTOSERFINANZA894978636268808051252452885.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings	EXTRACTOSERFINANZA894978636268808051252452885.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

EXTRACTOSERFINANZA894978636268808051252452885.exe

description pid process

Token: SeDebugPrivilege 3944 EXTRACTOSERFINANZA894978636268808051252452885.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PxxoServicesTrialNet1.exe

pid process

2452 PxxoServicesTrialNet1.exe

description	pid	process
Token: SeDebugPrivilege	3944	EXTRACTOSERFINANZA894978636268808051252452885.exe

pid	process
2452	PxxoServicesTrialNet1.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

EXTRACTOSERFINANZA894978636268808051252452885.exeEXTRACTOSERFINANZA894978636268808051252452885.exeWScript.execmd.exePxxoServicesTrialNet1.exe

description	pid	process	target process
PID 3944 wrote to memory of 3800	3944	EXTRACTOSERFINANZA894978636268808051252452885.exe	EXTRACTOSERFINANZA894978636268808051252452885.exe
PID 3944 wrote to memory of 3800	3944	EXTRACTOSERFINANZA894978636268808051252452885.exe	EXTRACTOSERFINANZA894978636268808051252452885.exe
PID 3944 wrote to memory of 3800	3944	EXTRACTOSERFINANZA894978636268808051252452885.exe	EXTRACTOSERFINANZA894978636268808051252452885.exe
PID 3944 wrote to memory of 3800	3944	EXTRACTOSERFINANZA894978636268808051252452885.exe	EXTRACTOSERFINANZA894978636268808051252452885.exe
PID 3944 wrote to memory of 3800	3944	EXTRACTOSERFINANZA894978636268808051252452885.exe	EXTRACTOSERFINANZA894978636268808051252452885.exe
PID 3944 wrote to memory of 3800	3944	EXTRACTOSERFINANZA894978636268808051252452885.exe	EXTRACTOSERFINANZA894978636268808051252452885.exe
PID 3944 wrote to memory of 3800	3944	EXTRACTOSERFINANZA894978636268808051252452885.exe	EXTRACTOSERFINANZA894978636268808051252452885.exe
PID 3944 wrote to memory of 3800	3944	EXTRACTOSERFINANZA894978636268808051252452885.exe	EXTRACTOSERFINANZA894978636268808051252452885.exe
PID 3944 wrote to memory of 3800	3944	EXTRACTOSERFINANZA894978636268808051252452885.exe	EXTRACTOSERFINANZA894978636268808051252452885.exe
PID 3944 wrote to memory of 3800	3944	EXTRACTOSERFINANZA894978636268808051252452885.exe	EXTRACTOSERFINANZA894978636268808051252452885.exe
PID 3800 wrote to memory of 3488	3800	EXTRACTOSERFINANZA894978636268808051252452885.exe	WScript.exe
PID 3800 wrote to memory of 3488	3800	EXTRACTOSERFINANZA894978636268808051252452885.exe	WScript.exe
PID 3800 wrote to memory of 3488	3800	EXTRACTOSERFINANZA894978636268808051252452885.exe	WScript.exe
PID 3488 wrote to memory of 3896	3488	WScript.exe	cmd.exe
PID 3488 wrote to memory of 3896	3488	WScript.exe	cmd.exe
PID 3488 wrote to memory of 3896	3488	WScript.exe	cmd.exe
PID 3896 wrote to memory of 500	3896	cmd.exe	PxxoServicesTrialNet1.exe
PID 3896 wrote to memory of 500	3896	cmd.exe	PxxoServicesTrialNet1.exe
PID 3896 wrote to memory of 500	3896	cmd.exe	PxxoServicesTrialNet1.exe
PID 500 wrote to memory of 2452	500	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 500 wrote to memory of 2452	500	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 500 wrote to memory of 2452	500	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 500 wrote to memory of 2452	500	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 500 wrote to memory of 2452	500	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 500 wrote to memory of 2452	500	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 500 wrote to memory of 2452	500	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 500 wrote to memory of 2452	500	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 500 wrote to memory of 2452	500	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 500 wrote to memory of 2452	500	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe

C:\Users\Admin\AppData\Local\Temp\EXTRACTOSERFINANZA894978636268808051252452885.exe
"C:\Users\Admin\AppData\Local\Temp\EXTRACTOSERFINANZA894978636268808051252452885.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3944

C:\Users\Admin\AppData\Local\Temp\EXTRACTOSERFINANZA894978636268808051252452885.exe
"C:\Users\Admin\AppData\Local\Temp\EXTRACTOSERFINANZA894978636268808051252452885.exe"
2⤵
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3800

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
3⤵
- Suspicious use of WriteProcessMemory
PID:3488

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:3896

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:500

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:2452

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\63LP5fm7G99a6
MD5
c89f9a012dfb160e89ef47c79bef5a8a

SHA1
e71e79883c1941dca858890a4ce9f09b02ccc4ac

SHA256
6d4e91f0ea4289f7e702af0100c1f52d7bd8fef34c5b9da385e91b29e5c8ca41

SHA512
24d65df10edf3c9b184f1bf7e535b8978bd10d6dcdaa5c21923e1792b78293fc2b8641bec84571ac238b2aa76b162109c068a66c19d1a7ef4f7e140d418d0596

Download Submit
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
be5fb23d73970ef4c664059d1584b709

SHA1
2c76f4e442221e65c37cf569da508544d0b99602

SHA256
d4752bb762255005415e0dfd254fc06a6d5c432775f35c73e18b2e5c7ecd3b06

SHA512
ca27abdeca077b63ea61419d69027acd83d79bfc1676a0932ae530125a08cc98478e4940bb4b6f59308efa5054c6f30d2a31010af503ceb70ceba88133dadb1e

Download Submit
C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe
MD5
be5fb23d73970ef4c664059d1584b709

SHA1
2c76f4e442221e65c37cf569da508544d0b99602

SHA256
d4752bb762255005415e0dfd254fc06a6d5c432775f35c73e18b2e5c7ecd3b06

SHA512
ca27abdeca077b63ea61419d69027acd83d79bfc1676a0932ae530125a08cc98478e4940bb4b6f59308efa5054c6f30d2a31010af503ceb70ceba88133dadb1e

Download Submit
C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe
MD5
be5fb23d73970ef4c664059d1584b709

SHA1
2c76f4e442221e65c37cf569da508544d0b99602

SHA256
d4752bb762255005415e0dfd254fc06a6d5c432775f35c73e18b2e5c7ecd3b06

SHA512
ca27abdeca077b63ea61419d69027acd83d79bfc1676a0932ae530125a08cc98478e4940bb4b6f59308efa5054c6f30d2a31010af503ceb70ceba88133dadb1e

Download Submit
memory/500-135-0x0000000004A10000-0x0000000004F0E000-memory.dmp

Filesize
5.0MB

Download
memory/500-126-0x0000000000000000-mapping.dmp

Download
memory/2452-137-0x0000000000413FA4-mapping.dmp

Download
memory/2452-139-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3488-122-0x0000000000000000-mapping.dmp

Download
memory/3800-124-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3800-121-0x0000000000413FA4-mapping.dmp

Download
memory/3800-120-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3896-125-0x0000000000000000-mapping.dmp

Download
memory/3944-114-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/3944-118-0x0000000004D30000-0x000000000522E000-memory.dmp

Filesize
5.0MB

Download
memory/3944-116-0x0000000005230000-0x0000000005231000-memory.dmp

Filesize
4KB

Download
memory/3944-119-0x0000000005D30000-0x0000000005D57000-memory.dmp

Filesize
156KB

Download
memory/3944-117-0x0000000004DE0000-0x0000000004DE1000-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