remcos | ae0e4f562ecbe6754699d92948d01d4080401d92bb2778e0d2f2ca7caf787cee

General

Target

SERFINANZAEXTRACTO283816558547438357773985414.exe
Size

128KB
MD5

b82490dbb12159cc752ec64995dd7348
SHA1

efffc1c5cb6674da0fa4ea282cb7029284a49bef
SHA256

ae0e4f562ecbe6754699d92948d01d4080401d92bb2778e0d2f2ca7caf787cee
SHA512

49823e6a327d9540bf4ca8a31e8abf598ce27a8d7fb6a12ee6f86e9d2c170877eb4c4b73ada4864d3bdf91b50673a9d7b504ba1e01f24401391d5cb4775f9218

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

3528 PxxoServicesTrialNet1.exe
3020 PxxoServicesTrialNet1.exe

pid	process
3528	PxxoServicesTrialNet1.exe
3020	PxxoServicesTrialNet1.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PxxoServicesTrialNet1.exeSERFINANZAEXTRACTO283816558547438357773985414.exe

description	ioc	process
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
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\	SERFINANZAEXTRACTO283816558547438357773985414.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\""	SERFINANZAEXTRACTO283816558547438357773985414.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\	PxxoServicesTrialNet1.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

SERFINANZAEXTRACTO283816558547438357773985414.exePxxoServicesTrialNet1.exe

description	pid	process	target process
PID 1456 set thread context of 744	1456	SERFINANZAEXTRACTO283816558547438357773985414.exe	SERFINANZAEXTRACTO283816558547438357773985414.exe
PID 3528 set thread context of 3020	3528	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:

SERFINANZAEXTRACTO283816558547438357773985414.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings	SERFINANZAEXTRACTO283816558547438357773985414.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

SERFINANZAEXTRACTO283816558547438357773985414.exe

pid process

1456 SERFINANZAEXTRACTO283816558547438357773985414.exe
1456 SERFINANZAEXTRACTO283816558547438357773985414.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SERFINANZAEXTRACTO283816558547438357773985414.exe

description pid process

Token: SeDebugPrivilege 1456 SERFINANZAEXTRACTO283816558547438357773985414.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PxxoServicesTrialNet1.exe

pid process

3020 PxxoServicesTrialNet1.exe

pid	process
1456	SERFINANZAEXTRACTO283816558547438357773985414.exe
1456	SERFINANZAEXTRACTO283816558547438357773985414.exe

description	pid	process
Token: SeDebugPrivilege	1456	SERFINANZAEXTRACTO283816558547438357773985414.exe

pid	process
3020	PxxoServicesTrialNet1.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

SERFINANZAEXTRACTO283816558547438357773985414.exeSERFINANZAEXTRACTO283816558547438357773985414.exeWScript.execmd.exePxxoServicesTrialNet1.exe

description	pid	process	target process
PID 1456 wrote to memory of 1496	1456	SERFINANZAEXTRACTO283816558547438357773985414.exe	SERFINANZAEXTRACTO283816558547438357773985414.exe
PID 1456 wrote to memory of 1496	1456	SERFINANZAEXTRACTO283816558547438357773985414.exe	SERFINANZAEXTRACTO283816558547438357773985414.exe
PID 1456 wrote to memory of 1496	1456	SERFINANZAEXTRACTO283816558547438357773985414.exe	SERFINANZAEXTRACTO283816558547438357773985414.exe
PID 1456 wrote to memory of 744	1456	SERFINANZAEXTRACTO283816558547438357773985414.exe	SERFINANZAEXTRACTO283816558547438357773985414.exe
PID 1456 wrote to memory of 744	1456	SERFINANZAEXTRACTO283816558547438357773985414.exe	SERFINANZAEXTRACTO283816558547438357773985414.exe
PID 1456 wrote to memory of 744	1456	SERFINANZAEXTRACTO283816558547438357773985414.exe	SERFINANZAEXTRACTO283816558547438357773985414.exe
PID 1456 wrote to memory of 744	1456	SERFINANZAEXTRACTO283816558547438357773985414.exe	SERFINANZAEXTRACTO283816558547438357773985414.exe
PID 1456 wrote to memory of 744	1456	SERFINANZAEXTRACTO283816558547438357773985414.exe	SERFINANZAEXTRACTO283816558547438357773985414.exe
PID 1456 wrote to memory of 744	1456	SERFINANZAEXTRACTO283816558547438357773985414.exe	SERFINANZAEXTRACTO283816558547438357773985414.exe
PID 1456 wrote to memory of 744	1456	SERFINANZAEXTRACTO283816558547438357773985414.exe	SERFINANZAEXTRACTO283816558547438357773985414.exe
PID 1456 wrote to memory of 744	1456	SERFINANZAEXTRACTO283816558547438357773985414.exe	SERFINANZAEXTRACTO283816558547438357773985414.exe
PID 1456 wrote to memory of 744	1456	SERFINANZAEXTRACTO283816558547438357773985414.exe	SERFINANZAEXTRACTO283816558547438357773985414.exe
PID 1456 wrote to memory of 744	1456	SERFINANZAEXTRACTO283816558547438357773985414.exe	SERFINANZAEXTRACTO283816558547438357773985414.exe
PID 744 wrote to memory of 2892	744	SERFINANZAEXTRACTO283816558547438357773985414.exe	WScript.exe
PID 744 wrote to memory of 2892	744	SERFINANZAEXTRACTO283816558547438357773985414.exe	WScript.exe
PID 744 wrote to memory of 2892	744	SERFINANZAEXTRACTO283816558547438357773985414.exe	WScript.exe
PID 2892 wrote to memory of 3928	2892	WScript.exe	cmd.exe
PID 2892 wrote to memory of 3928	2892	WScript.exe	cmd.exe
PID 2892 wrote to memory of 3928	2892	WScript.exe	cmd.exe
PID 3928 wrote to memory of 3528	3928	cmd.exe	PxxoServicesTrialNet1.exe
PID 3928 wrote to memory of 3528	3928	cmd.exe	PxxoServicesTrialNet1.exe
PID 3928 wrote to memory of 3528	3928	cmd.exe	PxxoServicesTrialNet1.exe
PID 3528 wrote to memory of 3020	3528	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 3528 wrote to memory of 3020	3528	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 3528 wrote to memory of 3020	3528	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 3528 wrote to memory of 3020	3528	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 3528 wrote to memory of 3020	3528	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 3528 wrote to memory of 3020	3528	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 3528 wrote to memory of 3020	3528	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 3528 wrote to memory of 3020	3528	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 3528 wrote to memory of 3020	3528	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe
PID 3528 wrote to memory of 3020	3528	PxxoServicesTrialNet1.exe	PxxoServicesTrialNet1.exe

C:\Users\Admin\AppData\Local\Temp\SERFINANZAEXTRACTO283816558547438357773985414.exe
"C:\Users\Admin\AppData\Local\Temp\SERFINANZAEXTRACTO283816558547438357773985414.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1456

C:\Users\Admin\AppData\Local\Temp\SERFINANZAEXTRACTO283816558547438357773985414.exe
"C:\Users\Admin\AppData\Local\Temp\SERFINANZAEXTRACTO283816558547438357773985414.exe"
2⤵
PID:1496

C:\Users\Admin\AppData\Local\Temp\SERFINANZAEXTRACTO283816558547438357773985414.exe
"C:\Users\Admin\AppData\Local\Temp\SERFINANZAEXTRACTO283816558547438357773985414.exe"
2⤵
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:744

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
3⤵
- Suspicious use of WriteProcessMemory
PID:2892

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:3928

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:3528

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:3020

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
b82490dbb12159cc752ec64995dd7348

SHA1
efffc1c5cb6674da0fa4ea282cb7029284a49bef

SHA256
ae0e4f562ecbe6754699d92948d01d4080401d92bb2778e0d2f2ca7caf787cee

SHA512
49823e6a327d9540bf4ca8a31e8abf598ce27a8d7fb6a12ee6f86e9d2c170877eb4c4b73ada4864d3bdf91b50673a9d7b504ba1e01f24401391d5cb4775f9218

Download Submit
C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe
MD5
b82490dbb12159cc752ec64995dd7348

SHA1
efffc1c5cb6674da0fa4ea282cb7029284a49bef

SHA256
ae0e4f562ecbe6754699d92948d01d4080401d92bb2778e0d2f2ca7caf787cee

SHA512
49823e6a327d9540bf4ca8a31e8abf598ce27a8d7fb6a12ee6f86e9d2c170877eb4c4b73ada4864d3bdf91b50673a9d7b504ba1e01f24401391d5cb4775f9218

Download Submit
C:\Users\Admin\AppData\Roaming\System32\PxxoServicesTrialNet1.exe
MD5
b82490dbb12159cc752ec64995dd7348

SHA1
efffc1c5cb6674da0fa4ea282cb7029284a49bef

SHA256
ae0e4f562ecbe6754699d92948d01d4080401d92bb2778e0d2f2ca7caf787cee

SHA512
49823e6a327d9540bf4ca8a31e8abf598ce27a8d7fb6a12ee6f86e9d2c170877eb4c4b73ada4864d3bdf91b50673a9d7b504ba1e01f24401391d5cb4775f9218

Download Submit
C:\Users\Admin\BHiwEJzokphisxwVQeIvLHPlmwIciqEF
MD5
9e62e15fa6152d20a1d9fcf38928d48e

SHA1
4a42f478a386e7738cefa26f8aea411fbf58cdaa

SHA256
aff9cefa4bf54bd9347563ddfd3c94266ad5e91fa8126ef4fb18ba267710f733

SHA512
085ec1924a98d64e5ff6bca1716d489e67d45cca521db38d0ed528a6d95c91924a3e7bba17e9112d1c22140be7415f6fd32f989fdbffb3f3df1dd7bbbf8f41c5

Download Submit
memory/744-120-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/744-121-0x0000000000413FA4-mapping.dmp

Download
memory/744-124-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1456-119-0x0000000006B20000-0x0000000006B21000-memory.dmp

Filesize
4KB

Download
memory/1456-114-0x0000000000FA0000-0x0000000000FA1000-memory.dmp

Filesize
4KB

Download
memory/1456-118-0x0000000003380000-0x00000000033AC000-memory.dmp

Filesize
176KB

Download
memory/1456-117-0x00000000058C0000-0x000000000595C000-memory.dmp

Filesize
624KB

Download
memory/1456-116-0x0000000005960000-0x0000000005961000-memory.dmp

Filesize
4KB

Download
memory/2892-122-0x0000000000000000-mapping.dmp

Download
memory/3020-137-0x0000000000413FA4-mapping.dmp

Download
memory/3020-139-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3528-126-0x0000000000000000-mapping.dmp

Download
memory/3528-135-0x0000000002490000-0x0000000002491000-memory.dmp

Filesize
4KB

Download
memory/3928-125-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads