remcos | 34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/11/2024, 08:31 UTC

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General

Target

34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe
Size

1.2MB
MD5

996a89239876fdbb1cf03d17d092f9cb
SHA1

f068e983f491a47ed418c52ac57e453a043bd9d6
SHA256

34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f
SHA512

dfb8a52574e5d0d5f553334906dd0df5510662bdfe093b85042a66145c33401244f2cb28e51c2231e11fffe49852307751c135aefe55d4330b86ede3894f4a19
SSDEEP

24576:S6inYmOMJ+FU3WZvTS8ms6xAPe635AZx/2l86N:SWmtA63WZ3v6S2635AZMhN

Score

10^/10

remcos host discovery rat

Malware Config

Extracted

Family

remcos

Botnet

Host

oyo.work.gd:3142

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
vlc
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
true
keylog_file
logs.dat
keylog_flag
false
keylog_folder
pdf
mouse_option
false
mutex
jkm-I9KENP
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
ios
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3552 set thread context of 2392	3552	34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe	93

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2392	34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3552 wrote to memory of 2392	3552	34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe	93
PID 3552 wrote to memory of 2392	3552	34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe	93
PID 3552 wrote to memory of 2392	3552	34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe	93
PID 3552 wrote to memory of 2392	3552	34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe	93
PID 3552 wrote to memory of 2392	3552	34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe	93
PID 3552 wrote to memory of 2392	3552	34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe	93
PID 3552 wrote to memory of 2392	3552	34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe	93
PID 3552 wrote to memory of 2392	3552	34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe	93
PID 3552 wrote to memory of 2392	3552	34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe	93
PID 3552 wrote to memory of 2392	3552	34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe	93
PID 3552 wrote to memory of 2392	3552	34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe	93
PID 3552 wrote to memory of 2392	3552	34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe	93

C:\Users\Admin\AppData\Local\Temp\34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe
"C:\Users\Admin\AppData\Local\Temp\34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3552
- C:\Users\Admin\AppData\Local\Temp\34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe
  "C:\Users\Admin\AppData\Local\Temp\34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2392

Network

DNS

104.219.191.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

104.219.191.52.in-addr.arpa

IN PTR

Response
DNS

71.159.190.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

71.159.190.20.in-addr.arpa

IN PTR

Response
DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

oyo.work.gd

34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe

Remote address:

8.8.8.8:53

Request

oyo.work.gd

IN A

Response

oyo.work.gd

IN A

154.216.20.185
DNS

oyo.work.gd

34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe

Remote address:

8.8.8.8:53

Request

oyo.work.gd

IN A

Response

oyo.work.gd

IN A

154.216.20.185
DNS

oyo.work.gd

34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe

Remote address:

8.8.8.8:53

Request

oyo.work.gd

IN A
DNS

oyo.work.gd

34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe

Remote address:

8.8.8.8:53

Request

oyo.work.gd

IN A
DNS

geoplugin.net

34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe

Remote address:

8.8.8.8:53

Request

geoplugin.net

IN A

Response

geoplugin.net

IN A

178.237.33.50
GET

http://geoplugin.net/json.gp

34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe

Remote address:

178.237.33.50:80

Request

GET /json.gp HTTP/1.1
Host: geoplugin.net
Cache-Control: no-cache

Response

HTTP/1.1 200 OK

date: Wed, 13 Nov 2024 08:32:08 GMT
server: Apache
content-length: 953
content-type: application/json; charset=utf-8
cache-control: public, max-age=300
access-control-allow-origin: *
DNS

185.20.216.154.in-addr.arpa

Remote address:

8.8.8.8:53

Request

185.20.216.154.in-addr.arpa

IN PTR

Response
DNS

50.33.237.178.in-addr.arpa

Remote address:

8.8.8.8:53

Request

50.33.237.178.in-addr.arpa

IN PTR

Response

50.33.237.178.in-addr.arpa

IN CNAME

50.32/27.178.237.178.in-addr.arpa
DNS

56.163.245.4.in-addr.arpa

Remote address:

8.8.8.8:53

Request

56.163.245.4.in-addr.arpa

IN PTR

Response
DNS

206.23.85.13.in-addr.arpa

Remote address:

8.8.8.8:53

Request

206.23.85.13.in-addr.arpa

IN PTR

Response
DNS

206.23.85.13.in-addr.arpa

Remote address:

8.8.8.8:53

Request

206.23.85.13.in-addr.arpa

IN PTR
DNS

206.23.85.13.in-addr.arpa

Remote address:

8.8.8.8:53

Request

206.23.85.13.in-addr.arpa

IN PTR
DNS

75.117.19.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

75.117.19.2.in-addr.arpa

IN PTR

Response

75.117.19.2.in-addr.arpa

IN PTR

a2-19-117-75deploystaticakamaitechnologiescom
DNS

240.221.184.93.in-addr.arpa

Remote address:

8.8.8.8:53

Request

240.221.184.93.in-addr.arpa

IN PTR

Response
DNS

22.236.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

22.236.111.52.in-addr.arpa

IN PTR

Response

154.216.20.185:3142

oyo.work.gd

tls

34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe

3.6kB
1.6kB
15
17
178.237.33.50:80

http://geoplugin.net/json.gp

http

34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe

577 B
1.3kB
11
3

HTTP Request

GET http://geoplugin.net/json.gp

HTTP Response

200

8.8.8.8:53

104.219.191.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

104.219.191.52.in-addr.arpa
8.8.8.8:53

71.159.190.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

71.159.190.20.in-addr.arpa
8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

95.221.229.192.in-addr.arpa
8.8.8.8:53

oyo.work.gd

dns

34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe

228 B
146 B
4
2

DNS Request

oyo.work.gd

DNS Request

oyo.work.gd

DNS Request

oyo.work.gd

DNS Request

oyo.work.gd

DNS Response

154.216.20.185

DNS Response

154.216.20.185
8.8.8.8:53

geoplugin.net

dns

34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f.exe

59 B
75 B
1
1

DNS Request

geoplugin.net

DNS Response

178.237.33.50
8.8.8.8:53

185.20.216.154.in-addr.arpa

dns

73 B
134 B
1
1

DNS Request

185.20.216.154.in-addr.arpa
8.8.8.8:53

50.33.237.178.in-addr.arpa

dns

72 B
155 B
1
1

DNS Request

50.33.237.178.in-addr.arpa
8.8.8.8:53

56.163.245.4.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

56.163.245.4.in-addr.arpa
8.8.8.8:53

206.23.85.13.in-addr.arpa

dns

213 B
145 B
3
1

DNS Request

206.23.85.13.in-addr.arpa

DNS Request

206.23.85.13.in-addr.arpa

DNS Request

206.23.85.13.in-addr.arpa
8.8.8.8:53

75.117.19.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

75.117.19.2.in-addr.arpa
8.8.8.8:53

240.221.184.93.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

240.221.184.93.in-addr.arpa
8.8.8.8:53

22.236.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

22.236.111.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\pdf\logs.dat

Filesize
144B

MD5
5e64d1987bd678b9a0b4d37f6bf23e14

SHA1
9225473a88de83cf8c4129e3b1a28b5f495f921d

SHA256
e8af172bfc3fdb48c6ca62ee47d5cb3113738ad75fe654df1388930e9b0938e9

SHA512
bb9f96426b1c9ad35a540c7e153e98f99e329d0aceb8bf3a8a9d2e0c7b7d1e45b50e1752352294656ac512bbf5a911f8a3009c68e50523f5bfb34d4bc7e109e9

Download Submit
memory/2392-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2392-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2392-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2392-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2392-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2392-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2392-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2392-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2392-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2392-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2392-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2392-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2392-13-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2392-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2392-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2392-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2392-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2392-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2392-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3552-4-0x00000000053B0000-0x0000000005704000-memory.dmp

Filesize
3.3MB

Download
memory/3552-9-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/3552-21-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/3552-2-0x00000000057F0000-0x0000000005D94000-memory.dmp

Filesize
5.6MB

Download
memory/3552-1-0x0000000000720000-0x000000000085C000-memory.dmp

Filesize
1.2MB

Download
memory/3552-8-0x0000000005730000-0x0000000005742000-memory.dmp

Filesize
72KB

Download
memory/3552-11-0x0000000006180000-0x0000000006240000-memory.dmp

Filesize
768KB

Download
memory/3552-0-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/3552-7-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/3552-6-0x0000000005F30000-0x0000000005FCC000-memory.dmp

Filesize
624KB

Download
memory/3552-5-0x0000000005740000-0x000000000574A000-memory.dmp

Filesize
40KB

Download
memory/3552-10-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/3552-3-0x0000000005240000-0x00000000052D2000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

HTTP Request

HTTP Response

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Response

DNS Response

DNS Request

DNS Response

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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