remcos | dcda7574d5ca6cdca0ee9336b33ef4e63b1a33c96cc1787aa1e42d8a8534c490

General

Target

EXTRACTOSERFINANZA149952705997730013733597462.exe
Size

175KB
MD5

7949066c49b82ebce27756a69ee28fee
SHA1

20fee757b2258d7a7ed27f1c147753082dbc8548
SHA256

dcda7574d5ca6cdca0ee9336b33ef4e63b1a33c96cc1787aa1e42d8a8534c490
SHA512

9ca2c9786e2597fa6b318fa6bd28a6a88af251956d80aeb0c039022e70a07a6f9fd4da568daab3c042d1caad6248c80a315b09595aa9ef1102367eb4f23a41d0

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 3 IoCs

Processes:

PxxoServicesTrialNet1.exePxxoServicesTrialNet1.exePxxoServicesTrialNet1.exe

pid process

840 PxxoServicesTrialNet1.exe
748 PxxoServicesTrialNet1.exe
464 PxxoServicesTrialNet1.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

792 cmd.exe

pid	process
840	PxxoServicesTrialNet1.exe
748	PxxoServicesTrialNet1.exe
464	PxxoServicesTrialNet1.exe

pid	process
792	cmd.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

EXTRACTOSERFINANZA149952705997730013733597462.exePxxoServicesTrialNet1.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\	EXTRACTOSERFINANZA149952705997730013733597462.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\MservicesOrg2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System32\\PxxoServicesTrialNet1.exe\""	EXTRACTOSERFINANZA149952705997730013733597462.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\	PxxoServicesTrialNet1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\MservicesOrg2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System32\\PxxoServicesTrialNet1.exe\""	PxxoServicesTrialNet1.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

EXTRACTOSERFINANZA149952705997730013733597462.exePxxoServicesTrialNet1.exe

description	pid	process	target process
PID 1616 set thread context of 1688	1616	EXTRACTOSERFINANZA149952705997730013733597462.exe	EXTRACTOSERFINANZA149952705997730013733597462.exe
PID 840 set thread context of 464	840	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 behavior: EnumeratesProcesses 2 IoCs

Processes:

PxxoServicesTrialNet1.exe

pid process

840 PxxoServicesTrialNet1.exe
840 PxxoServicesTrialNet1.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

EXTRACTOSERFINANZA149952705997730013733597462.exePxxoServicesTrialNet1.exe

description pid process

Token: SeDebugPrivilege 1616 EXTRACTOSERFINANZA149952705997730013733597462.exe
Token: SeDebugPrivilege 840 PxxoServicesTrialNet1.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PxxoServicesTrialNet1.exe

pid process

464 PxxoServicesTrialNet1.exe

pid	process
840	PxxoServicesTrialNet1.exe
840	PxxoServicesTrialNet1.exe

description	pid	process
Token: SeDebugPrivilege	1616	EXTRACTOSERFINANZA149952705997730013733597462.exe
Token: SeDebugPrivilege	840	PxxoServicesTrialNet1.exe

pid	process
464	PxxoServicesTrialNet1.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

EXTRACTOSERFINANZA149952705997730013733597462.exeEXTRACTOSERFINANZA149952705997730013733597462.exeWScript.execmd.exePxxoServicesTrialNet1.exe

description	pid	process	target process
PID 1616 wrote to memory of 1688	1616	EXTRACTOSERFINANZA149952705997730013733597462.exe	EXTRACTOSERFINANZA149952705997730013733597462.exe
PID 1616 wrote to memory of 1688	1616	EXTRACTOSERFINANZA149952705997730013733597462.exe	EXTRACTOSERFINANZA149952705997730013733597462.exe
PID 1616 wrote to memory of 1688	1616	EXTRACTOSERFINANZA149952705997730013733597462.exe	EXTRACTOSERFINANZA149952705997730013733597462.exe
PID 1616 wrote to memory of 1688	1616	EXTRACTOSERFINANZA149952705997730013733597462.exe	EXTRACTOSERFINANZA149952705997730013733597462.exe
PID 1616 wrote to memory of 1688	1616	EXTRACTOSERFINANZA149952705997730013733597462.exe	EXTRACTOSERFINANZA149952705997730013733597462.exe
PID 1616 wrote to memory of 1688	1616	EXTRACTOSERFINANZA149952705997730013733597462.exe	EXTRACTOSERFINANZA149952705997730013733597462.exe
PID 1616 wrote to memory of 1688	1616	EXTRACTOSERFINANZA149952705997730013733597462.exe	EXTRACTOSERFINANZA149952705997730013733597462.exe
PID 1616 wrote to memory of 1688	1616	EXTRACTOSERFINANZA149952705997730013733597462.exe	EXTRACTOSERFINANZA149952705997730013733597462.exe
PID 1616 wrote to memory of 1688	1616	EXTRACTOSERFINANZA149952705997730013733597462.exe	EXTRACTOSERFINANZA149952705997730013733597462.exe
PID 1616 wrote to memory of 1688	1616	EXTRACTOSERFINANZA149952705997730013733597462.exe	EXTRACTOSERFINANZA149952705997730013733597462.exe
PID 1616 wrote to memory of 1688	1616	EXTRACTOSERFINANZA149952705997730013733597462.exe	EXTRACTOSERFINANZA149952705997730013733597462.exe
PID 1688 wrote to memory of 1788	1688	EXTRACTOSERFINANZA149952705997730013733597462.exe	WScript.exe
PID 1688 wrote to memory of 1788	1688	EXTRACTOSERFINANZA149952705997730013733597462.exe	WScript.exe
PID 1688 wrote to memory of 1788	1688	EXTRACTOSERFINANZA149952705997730013733597462.exe	WScript.exe
PID 1688 wrote to memory of 1788	1688	EXTRACTOSERFINANZA149952705997730013733597462.exe	WScript.exe
PID 1788 wrote to memory of 792	1788	WScript.exe	cmd.exe
PID 1788 wrote to memory of 792	1788	WScript.exe	cmd.exe
PID 1788 wrote to memory of 792	1788	WScript.exe	cmd.exe
PID 1788 wrote to memory of 792	1788	WScript.exe	cmd.exe
PID 792 wrote to memory of 840	792	cmd.exe	PxxoServicesTrialNet1.exe
PID 792 wrote to memory of 840	792	cmd.exe	PxxoServicesTrialNet1.exe
PID 792 wrote to memory of 840	792	cmd.exe	PxxoServicesTrialNet1.exe
PID 792 wrote to memory of 840	792	cmd.exe	PxxoServicesTrialNet1.exe
PID 840 wrote to memory of 748	840	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 840 wrote to memory of 748	840	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 840 wrote to memory of 748	840	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 840 wrote to memory of 748	840	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 840 wrote to memory of 464	840	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 840 wrote to memory of 464	840	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 840 wrote to memory of 464	840	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 840 wrote to memory of 464	840	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 840 wrote to memory of 464	840	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 840 wrote to memory of 464	840	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 840 wrote to memory of 464	840	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 840 wrote to memory of 464	840	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 840 wrote to memory of 464	840	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 840 wrote to memory of 464	840	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 840 wrote to memory of 464	840	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe

C:\Users\Admin\AppData\Local\Temp\EXTRACTOSERFINANZA149952705997730013733597462.exe
"C:\Users\Admin\AppData\Local\Temp\EXTRACTOSERFINANZA149952705997730013733597462.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1616

C:\Users\Admin\AppData\Local\Temp\EXTRACTOSERFINANZA149952705997730013733597462.exe
"C:\Users\Admin\AppData\Local\Temp\EXTRACTOSERFINANZA149952705997730013733597462.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1688

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
3⤵
- Suspicious use of WriteProcessMemory
PID:1788

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:792

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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:840

C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe
"C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe"
6⤵
- Executes dropped EXE
PID:748

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:464

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\8B4AfWf1Oub
MD5
12cd7d6a182fe1d255219bfc2442ef5e

SHA1
0cacc2650c8b23914942f0afd240f0c20609d2d5

SHA256
718938ba08f5b63b2328627ff7a6999ac8062556bdcf7a1ed8ec369991a6a594

SHA512
6a4deec2a8ffb9426c45426dd785f83b15a250139193f2fd424c3b62c605de508d2fc5574f4e6175011457d76bfc54079e9af18ce930bfec413ff1a7deead8f6

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
7949066c49b82ebce27756a69ee28fee

SHA1
20fee757b2258d7a7ed27f1c147753082dbc8548

SHA256
dcda7574d5ca6cdca0ee9336b33ef4e63b1a33c96cc1787aa1e42d8a8534c490

SHA512
9ca2c9786e2597fa6b318fa6bd28a6a88af251956d80aeb0c039022e70a07a6f9fd4da568daab3c042d1caad6248c80a315b09595aa9ef1102367eb4f23a41d0

Download Submit
C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe
MD5
7949066c49b82ebce27756a69ee28fee

SHA1
20fee757b2258d7a7ed27f1c147753082dbc8548

SHA256
dcda7574d5ca6cdca0ee9336b33ef4e63b1a33c96cc1787aa1e42d8a8534c490

SHA512
9ca2c9786e2597fa6b318fa6bd28a6a88af251956d80aeb0c039022e70a07a6f9fd4da568daab3c042d1caad6248c80a315b09595aa9ef1102367eb4f23a41d0

Download Submit
C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe
MD5
7949066c49b82ebce27756a69ee28fee

SHA1
20fee757b2258d7a7ed27f1c147753082dbc8548

SHA256
dcda7574d5ca6cdca0ee9336b33ef4e63b1a33c96cc1787aa1e42d8a8534c490

SHA512
9ca2c9786e2597fa6b318fa6bd28a6a88af251956d80aeb0c039022e70a07a6f9fd4da568daab3c042d1caad6248c80a315b09595aa9ef1102367eb4f23a41d0

Download Submit
C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe
MD5
7949066c49b82ebce27756a69ee28fee

SHA1
20fee757b2258d7a7ed27f1c147753082dbc8548

SHA256
dcda7574d5ca6cdca0ee9336b33ef4e63b1a33c96cc1787aa1e42d8a8534c490

SHA512
9ca2c9786e2597fa6b318fa6bd28a6a88af251956d80aeb0c039022e70a07a6f9fd4da568daab3c042d1caad6248c80a315b09595aa9ef1102367eb4f23a41d0

Download Submit
\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe
MD5
7949066c49b82ebce27756a69ee28fee

SHA1
20fee757b2258d7a7ed27f1c147753082dbc8548

SHA256
dcda7574d5ca6cdca0ee9336b33ef4e63b1a33c96cc1787aa1e42d8a8534c490

SHA512
9ca2c9786e2597fa6b318fa6bd28a6a88af251956d80aeb0c039022e70a07a6f9fd4da568daab3c042d1caad6248c80a315b09595aa9ef1102367eb4f23a41d0

Download Submit
memory/464-87-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/464-84-0x0000000000413FA4-mapping.dmp

Download
memory/792-72-0x0000000000000000-mapping.dmp

Download
memory/840-81-0x0000000004C20000-0x0000000004C21000-memory.dmp

Filesize
4KB

Download
memory/840-77-0x0000000000A00000-0x0000000000A01000-memory.dmp

Filesize
4KB

Download
memory/840-75-0x0000000000000000-mapping.dmp

Download
memory/1616-63-0x0000000000B20000-0x0000000000B21000-memory.dmp

Filesize
4KB

Download
memory/1616-60-0x0000000001230000-0x0000000001231000-memory.dmp

Filesize
4KB

Download
memory/1616-62-0x0000000075631000-0x0000000075633000-memory.dmp

Filesize
8KB

Download
memory/1616-64-0x00000000003A0000-0x00000000003C7000-memory.dmp

Filesize
156KB

Download
memory/1688-71-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1688-66-0x0000000000413FA4-mapping.dmp

Download
memory/1688-65-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1788-68-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads