remcos | e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd

General

Target

e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe
Size

6.1MB
MD5

4f3ab78173728f3a0ee83cfedf9f584f
SHA1

9b85f357aa0b3995ea5856c55b46e0e37cb43013
SHA256

e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd
SHA512

32b8ecbfe4fc80c1e1d2007e6926c79b96d86cbfc8d5323035a31a9705bd7a370358592ee5a728119468b42d3145c6d205890736d677b1df779cfc64fd1ff727
SSDEEP

49152:iDDFVHcYex2EIjwg5mSw9EOl3jQ2i5W0OJ6HH0Hk1qZejTg8TX7blVZgqjEBamN8:iP/LEiLMQ2t0OJ6Jq6kmRndqamRrr7K

Score

10^/10

remcos fenix persistence rat

Malware Config

Extracted

Family

remcos

Botnet

FENIX

C2

abril04.con-ip.com:7770

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-MG1REZ
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 21 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2404-3-0x0000000000400000-0x0000000000A4A000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1028-12-0x00000000001C0000-0x0000000000242000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2404-13-0x0000000000400000-0x0000000000A4A000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1028-14-0x00000000001C0000-0x0000000000242000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1028-19-0x00000000001C0000-0x0000000000242000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1028-16-0x00000000001C0000-0x0000000000242000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1028-15-0x00000000001C0000-0x0000000000242000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1028-20-0x00000000001C0000-0x0000000000242000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1028-25-0x00000000001C0000-0x0000000000242000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1028-26-0x00000000001C0000-0x0000000000242000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1028-27-0x00000000001C0000-0x0000000000242000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1028-32-0x00000000001C0000-0x0000000000242000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1028-33-0x00000000001C0000-0x0000000000242000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1028-39-0x00000000001C0000-0x0000000000242000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1028-40-0x00000000001C0000-0x0000000000242000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1028-45-0x00000000001C0000-0x0000000000242000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1028-46-0x00000000001C0000-0x0000000000242000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1028-51-0x00000000001C0000-0x0000000000242000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1028-53-0x00000000001C0000-0x0000000000242000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1028-58-0x00000000001C0000-0x0000000000242000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1028-59-0x00000000001C0000-0x0000000000242000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\SpyPro = "C:\\Users\\Admin\\Documents\\ChromeUpdate\\schost.exe"	e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe

pid process

2404 e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe

pid process

1028 e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe

pid	process
2404	e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe

pid	process
1028	e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe

description	pid	process	target process
PID 2404 wrote to memory of 1028	2404	e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe	e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe
PID 2404 wrote to memory of 1028	2404	e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe	e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe
PID 2404 wrote to memory of 1028	2404	e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe	e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe
PID 2404 wrote to memory of 1028	2404	e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe	e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe
PID 2404 wrote to memory of 1028	2404	e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe	e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe
PID 2404 wrote to memory of 1028	2404	e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe	e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe
PID 2404 wrote to memory of 1028	2404	e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe	e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe

C:\Users\Admin\AppData\Local\Temp\e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe
"C:\Users\Admin\AppData\Local\Temp\e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe"
1⤵
- Adds Run key to start application
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:2404

C:\Users\Admin\AppData\Local\Temp\e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe
"C:\Users\Admin\AppData\Local\Temp\e0075402df87a8e617cc1a5ae341d864a910a4a25fa133b7a7254c4193e81dcd.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:1028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
469d44c302c1ee8b292008f1bb1dfa9c

SHA1
94fd5c950816dd90e7b8211410657710178db01e

SHA256
a67b295b0e6b756a1076c4d138b741bfcec8eb7dda03f82af24cb26e8985abdd

SHA512
7d25554c80fd4b2498821a6c42dee6bc5764989a3331ded56bc6027f3a5dbc2644e7cc1b4bd5a490c25be36c04cfa370c48dad6ebe0761dc71c1309b021ba389

Download Submit
memory/1028-25-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1028-39-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1028-20-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1028-10-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1028-8-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1028-4-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1028-12-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1028-58-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1028-14-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1028-19-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1028-16-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1028-15-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1028-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1028-59-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1028-45-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1028-27-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1028-53-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1028-32-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1028-33-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1028-51-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1028-40-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1028-26-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1028-46-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2404-2-0x000000000040C000-0x0000000000425000-memory.dmp

Filesize
100KB

Download
memory/2404-3-0x0000000000400000-0x0000000000A4A000-memory.dmp

Filesize
6.3MB

Download
memory/2404-13-0x0000000000400000-0x0000000000A4A000-memory.dmp

Filesize
6.3MB

Download
memory/2404-0-0x0000000000400000-0x0000000000A4A000-memory.dmp

Filesize
6.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads