remcos | bbf6829ce1ce8dc4b0d023e92e0766d4f74c129c1cfbcfcfbac0dfa07a5533b7

General

Target

bbf6829ce1ce8dc4b0d023e92e0766d4f74c129c1cfbcfcfbac0dfa07a5533b7.dll
Size

1.1MB
MD5

c46912b6dedfa5321e367998711599a1
SHA1

629ce7047b6f1e949212d49f962e6d1f95c563f0
SHA256

bbf6829ce1ce8dc4b0d023e92e0766d4f74c129c1cfbcfcfbac0dfa07a5533b7
SHA512

89aeb5e6ec79e04b55cb0b7a8983ad4569e5cfbe741c6570deec78faeccadefd43f925b3d937a5d455971bc9634156878c87f002f810dd6d0ea922e1655335e6

Score

10^/10

remcos btc rat

Malware Config

Extracted

Family

remcos

Version

2.6.0 Pro

Botnet

BTC

C2

94.242.206.175:5886

Attributes

audio_folder
MicRecords
audio_path
%AppData%
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
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
MSI
keylog_path
%AppData%
mouse_option
false
mutex
MSI-PBVFMV
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
take_screenshot_title
wikipedia;solitaire;

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Blocklisted process makes network request 3 IoCs

Processes:

cmd.exe

flow pid process

91 4476 cmd.exe
96 4476 cmd.exe
97 4476 cmd.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exeextrac32.exe

pid process

364 rundll32.exe
2876 extrac32.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

extrac32.exe

pid process

2876 extrac32.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

cmd.exe

pid process

4476 cmd.exe

flow	pid	process
91	4476	cmd.exe
96	4476	cmd.exe
97	4476	cmd.exe

pid	process
364	rundll32.exe
2876	extrac32.exe

pid	process
2876	extrac32.exe

pid	process
4476	cmd.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 5108 wrote to memory of 364	5108	rundll32.exe	rundll32.exe
PID 5108 wrote to memory of 364	5108	rundll32.exe	rundll32.exe
PID 5108 wrote to memory of 364	5108	rundll32.exe	rundll32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe
PID 364 wrote to memory of 2876	364	rundll32.exe	extrac32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bbf6829ce1ce8dc4b0d023e92e0766d4f74c129c1cfbcfcfbac0dfa07a5533b7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5108

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bbf6829ce1ce8dc4b0d023e92e0766d4f74c129c1cfbcfcfbac0dfa07a5533b7.dll,#1
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:364

C:\Windows\SysWOW64\extrac32.exe
"C:\Windows\system32\extrac32.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2876

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe"
4⤵
- Blocklisted process makes network request
- Suspicious use of SetWindowsHookEx
PID:4476

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
1⤵
PID:4296

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\3be01df5.png
MD5
4d06546ee69e342d7cb3965234316d82

SHA1
ff3fb3285792ab73825503562af31089c3c7ab52

SHA256
e766d755441cd994f3f4fad51b676477bebf5e206d0d202c4b090f04e124c611

SHA512
e06b168c114051b6a258b8e703b7a839cc726e2c55c8081deb944b539faae5cdaaeffd5c0a61c1c75c05601bed415bc13e7ce3eb2969af89a69f6ff34ae436e0

Download Submit
memory/364-135-0x0000000000FE0000-0x0000000000FEA000-memory.dmp

Filesize
40KB

Download
memory/364-134-0x0000000002CB0000-0x0000000002DD4000-memory.dmp

Filesize
1.1MB

Download
memory/2876-143-0x00007FFE1A170000-0x00007FFE1A365000-memory.dmp

Filesize
2.0MB

Download
memory/2876-141-0x00000000010C0000-0x00000000010C8000-memory.dmp

Filesize
32KB

Download
memory/2876-142-0x0000000016F97000-0x0000000016FA7000-memory.dmp

Filesize
64KB

Download
memory/2876-136-0x0000000000CE0000-0x0000000000CE2000-memory.dmp

Filesize
8KB

Download
memory/4296-137-0x0000013206D80000-0x0000013206D90000-memory.dmp

Filesize
64KB

Download
memory/4296-139-0x0000013209C00000-0x0000013209C04000-memory.dmp

Filesize
16KB

Download
memory/4296-138-0x0000013207660000-0x0000013207670000-memory.dmp

Filesize
64KB

Download
memory/4476-144-0x00007FFE1A170000-0x00007FFE1A365000-memory.dmp

Filesize
2.0MB

Download
memory/4476-149-0x0000000000760000-0x0000000000768000-memory.dmp

Filesize
32KB

Download
memory/4476-150-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads