remcos | c046fc938166fd34c8041ff7c93f98f0ac3f68486aa844178e720c14dbbde625

General

Target

AIF 500 unit Distribution 2018ECA - ProfoInve.exe
Size

986KB
MD5

f72d0995ccf16a2481cb2966e3e05f19
SHA1

7b40fd28569cd4517c3a6bb91ce11a7e26cde71c
SHA256

c046fc938166fd34c8041ff7c93f98f0ac3f68486aa844178e720c14dbbde625
SHA512

cb3243354cd56725a498ec5b60b6737bc15c72ff4b8e24dae378d98636abc9c00b14ebffee1cbf079580d8b16df467e701ea6571089f10830b0833f163017c90
SSDEEP

12288:DR7Vgp6llBxZ/sAu0ximzRLQgR//Y0ceWaJKv6gQuF:DR79lP5HRLQgR/g0ceLcCgQg

Score

10^/10

remcos manup persistence rat

Malware Config

Extracted

Family

remcos

Botnet

manup

C2

91.193.75.188:60005

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-Y6KFVO
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Executes dropped EXE 1 IoCs

Processes:

WindowsWorkflowselection.exe

pid process

1784 WindowsWorkflowselection.exe

pid	process
1784	WindowsWorkflowselection.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsWorkflowselection = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsWorkflowselection\\WindowsWorkflowselection.exe"	reg.exe

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{6AA5414C-F44E-4A87-90EE-945DB27543F3}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{F63183B7-DC23-4EAA-9CD1-A66D682B7992}.catalogItem	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

WindowsWorkflowselection.exe

description pid process target process

PID 1784 set thread context of 2184 1784 WindowsWorkflowselection.exe AddInProcess32.exe

description	pid	process	target process
PID 1784 set thread context of 2184	1784	WindowsWorkflowselection.exe	AddInProcess32.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe

Runs ping.exe 1 TTPs 3 IoCs

Remote System Discovery
T1018

Processes:

PING.EXEPING.EXEPING.EXE

pid process

316 PING.EXE
4364 PING.EXE
2888 PING.EXE

pid	process
316	PING.EXE
4364	PING.EXE
2888	PING.EXE

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

AIF 500 unit Distribution 2018ECA - ProfoInve.exeWindowsWorkflowselection.exe

pid	process
2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
1784	WindowsWorkflowselection.exe
1784	WindowsWorkflowselection.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AddInProcess32.exe

pid process

2184 AddInProcess32.exe

pid	process
2184	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

AIF 500 unit Distribution 2018ECA - ProfoInve.exeWindowsWorkflowselection.exe

description	pid	process
Token: SeDebugPrivilege	2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe
Token: SeDebugPrivilege	1784	WindowsWorkflowselection.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

AddInProcess32.exe

pid process

2184 AddInProcess32.exe

pid	process
2184	AddInProcess32.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

AIF 500 unit Distribution 2018ECA - ProfoInve.execmd.execmd.exeWindowsWorkflowselection.exe

description	pid	process	target process
PID 2668 wrote to memory of 4560	2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe	cmd.exe
PID 2668 wrote to memory of 4560	2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe	cmd.exe
PID 2668 wrote to memory of 4560	2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe	cmd.exe
PID 4560 wrote to memory of 316	4560	cmd.exe	PING.EXE
PID 4560 wrote to memory of 316	4560	cmd.exe	PING.EXE
PID 4560 wrote to memory of 316	4560	cmd.exe	PING.EXE
PID 2668 wrote to memory of 2764	2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe	cmd.exe
PID 2668 wrote to memory of 2764	2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe	cmd.exe
PID 2668 wrote to memory of 2764	2668	AIF 500 unit Distribution 2018ECA - ProfoInve.exe	cmd.exe
PID 2764 wrote to memory of 4364	2764	cmd.exe	PING.EXE
PID 2764 wrote to memory of 4364	2764	cmd.exe	PING.EXE
PID 2764 wrote to memory of 4364	2764	cmd.exe	PING.EXE
PID 4560 wrote to memory of 2284	4560	cmd.exe	reg.exe
PID 4560 wrote to memory of 2284	4560	cmd.exe	reg.exe
PID 4560 wrote to memory of 2284	4560	cmd.exe	reg.exe
PID 2764 wrote to memory of 2888	2764	cmd.exe	PING.EXE
PID 2764 wrote to memory of 2888	2764	cmd.exe	PING.EXE
PID 2764 wrote to memory of 2888	2764	cmd.exe	PING.EXE
PID 2764 wrote to memory of 1784	2764	cmd.exe	WindowsWorkflowselection.exe
PID 2764 wrote to memory of 1784	2764	cmd.exe	WindowsWorkflowselection.exe
PID 2764 wrote to memory of 1784	2764	cmd.exe	WindowsWorkflowselection.exe
PID 1784 wrote to memory of 2184	1784	WindowsWorkflowselection.exe	AddInProcess32.exe
PID 1784 wrote to memory of 2184	1784	WindowsWorkflowselection.exe	AddInProcess32.exe
PID 1784 wrote to memory of 2184	1784	WindowsWorkflowselection.exe	AddInProcess32.exe
PID 1784 wrote to memory of 2184	1784	WindowsWorkflowselection.exe	AddInProcess32.exe
PID 1784 wrote to memory of 2184	1784	WindowsWorkflowselection.exe	AddInProcess32.exe
PID 1784 wrote to memory of 2184	1784	WindowsWorkflowselection.exe	AddInProcess32.exe
PID 1784 wrote to memory of 2184	1784	WindowsWorkflowselection.exe	AddInProcess32.exe
PID 1784 wrote to memory of 2184	1784	WindowsWorkflowselection.exe	AddInProcess32.exe
PID 1784 wrote to memory of 2184	1784	WindowsWorkflowselection.exe	AddInProcess32.exe
PID 1784 wrote to memory of 2184	1784	WindowsWorkflowselection.exe	AddInProcess32.exe
PID 1784 wrote to memory of 2184	1784	WindowsWorkflowselection.exe	AddInProcess32.exe
PID 1784 wrote to memory of 2184	1784	WindowsWorkflowselection.exe	AddInProcess32.exe

C:\Users\Admin\AppData\Local\Temp\AIF 500 unit Distribution 2018ECA - ProfoInve.exe
"C:\Users\Admin\AppData\Local\Temp\AIF 500 unit Distribution 2018ECA - ProfoInve.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2668

C:\Windows\SysWOW64\cmd.exe
"cmd" /c ping 127.0.0.1 -n 6 > nul && REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "WindowsWorkflowselection" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WindowsWorkflowselection\WindowsWorkflowselection.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4560

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 6
3⤵
- Runs ping.exe
PID:316

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "WindowsWorkflowselection" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WindowsWorkflowselection\WindowsWorkflowselection.exe"
3⤵
- Adds Run key to start application
PID:2284

C:\Windows\SysWOW64\cmd.exe
"cmd" /c ping 127.0.0.1 -n 20 > nul && copy "C:\Users\Admin\AppData\Local\Temp\AIF 500 unit Distribution 2018ECA - ProfoInve.exe" "C:\Users\Admin\AppData\Roaming\WindowsWorkflowselection\WindowsWorkflowselection.exe" && ping 127.0.0.1 -n 20 > nul && "C:\Users\Admin\AppData\Roaming\WindowsWorkflowselection\WindowsWorkflowselection.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2764

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 20
3⤵
- Runs ping.exe
PID:4364

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 20
3⤵
- Runs ping.exe
PID:2888

C:\Users\Admin\AppData\Roaming\WindowsWorkflowselection\WindowsWorkflowselection.exe
"C:\Users\Admin\AppData\Roaming\WindowsWorkflowselection\WindowsWorkflowselection.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1784

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
4⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2184

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:4288

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

Query Registry

2

T1012

System Information Discovery

2

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\WindowsWorkflowselection\WindowsWorkflowselection.exe
Filesize
986KB

MD5
f72d0995ccf16a2481cb2966e3e05f19

SHA1
7b40fd28569cd4517c3a6bb91ce11a7e26cde71c

SHA256
c046fc938166fd34c8041ff7c93f98f0ac3f68486aa844178e720c14dbbde625

SHA512
cb3243354cd56725a498ec5b60b6737bc15c72ff4b8e24dae378d98636abc9c00b14ebffee1cbf079580d8b16df467e701ea6571089f10830b0833f163017c90

Download Submit
C:\Users\Admin\AppData\Roaming\WindowsWorkflowselection\WindowsWorkflowselection.exe
Filesize
986KB

MD5
f72d0995ccf16a2481cb2966e3e05f19

SHA1
7b40fd28569cd4517c3a6bb91ce11a7e26cde71c

SHA256
c046fc938166fd34c8041ff7c93f98f0ac3f68486aa844178e720c14dbbde625

SHA512
cb3243354cd56725a498ec5b60b6737bc15c72ff4b8e24dae378d98636abc9c00b14ebffee1cbf079580d8b16df467e701ea6571089f10830b0833f163017c90

Download Submit
memory/316-138-0x0000000000000000-mapping.dmp

Download
memory/1784-146-0x0000000000040000-0x000000000013C000-memory.dmp

Filesize
1008KB

Download
memory/1784-143-0x0000000000000000-mapping.dmp

Download
memory/2184-151-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2184-152-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2184-150-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2184-147-0x0000000000000000-mapping.dmp

Download
memory/2184-148-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2184-149-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2284-141-0x0000000000000000-mapping.dmp

Download
memory/2668-132-0x00000000009D0000-0x0000000000ACC000-memory.dmp

Filesize
1008KB

Download
memory/2668-136-0x0000000005BE0000-0x0000000005BEA000-memory.dmp

Filesize
40KB

Download
memory/2668-135-0x0000000005F20000-0x00000000064C4000-memory.dmp

Filesize
5.6MB

Download
memory/2668-134-0x00000000058D0000-0x0000000005962000-memory.dmp

Filesize
584KB

Download
memory/2668-133-0x0000000004B70000-0x0000000004C0C000-memory.dmp

Filesize
624KB

Download
memory/2764-139-0x0000000000000000-mapping.dmp

Download
memory/2888-142-0x0000000000000000-mapping.dmp

Download
memory/4364-140-0x0000000000000000-mapping.dmp

Download
memory/4560-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads