remcos | b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae

General

Target

b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae.exe
Size

1.1MB
MD5

f44801cfdef9afc811005e8fa67486a7
SHA1

e5c15cd5b46374f6e5292a83d51e017d4608e891
SHA256

b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae
SHA512

d239937e0bb247bc3713326da08bed597bf5c6b56c3b916c3ef4c0f9ae254fad533bc4cf4bf4f0fdb5ee387555b6c138ba956a0c450005be4734ffade196e33f
SSDEEP

24576:X/o41iwtNIZ5p/TvCkV0uf5ZmH1OvrpPICwb/x:g41i0WvCkCua1Opw

Score

10^/10

remcos qhost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

QHost

C2

172.245.208.5:2060

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-2OLA39
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2188 set thread context of 2600	2188	b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae.exe	30

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	b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2188	b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae.exe
2188	b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2188	b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2600	AddInProcess32.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2600	2188	b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae.exe	30
PID 2188 wrote to memory of 2600	2188	b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae.exe	30
PID 2188 wrote to memory of 2600	2188	b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae.exe	30
PID 2188 wrote to memory of 2600	2188	b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae.exe	30
PID 2188 wrote to memory of 2600	2188	b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae.exe	30
PID 2188 wrote to memory of 2600	2188	b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae.exe	30
PID 2188 wrote to memory of 2600	2188	b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae.exe	30
PID 2188 wrote to memory of 2600	2188	b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae.exe	30
PID 2188 wrote to memory of 2600	2188	b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae.exe	30
PID 2188 wrote to memory of 2600	2188	b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae.exe	30
PID 2188 wrote to memory of 2600	2188	b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae.exe	30
PID 2188 wrote to memory of 2600	2188	b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae.exe	30
PID 2188 wrote to memory of 2600	2188	b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae.exe	30

C:\Users\Admin\AppData\Local\Temp\b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae.exe
"C:\Users\Admin\AppData\Local\Temp\b271fd4baccf44412c3a92f97f16b996248c3c1706bfd29694253ba01ab65fae.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
d0918cd88ccd6896252c383f5149ae16

SHA1
58d3bfaf7c937adac5d9c63c7b9c2d105f99c7df

SHA256
c2448ff255d107c8994644abb7d984640500e6525affeb0b9939175e364dfba5

SHA512
4691a8058da1401317418d04ca9ae266bb2ecd1acdb3eb5b1671625ffad9777e49737aa1e7c0d01bf55779bfd9456919d3f1a4c1dd51bfe0f8390ccf4becce9a

Download Submit
memory/2188-0-0x0000000073D3E000-0x0000000073D3F000-memory.dmp

Filesize
4KB

Download
memory/2188-1-0x0000000000D70000-0x0000000000E98000-memory.dmp

Filesize
1.2MB

Download
memory/2188-2-0x0000000073D30000-0x000000007441E000-memory.dmp

Filesize
6.9MB

Download
memory/2188-3-0x0000000000490000-0x00000000004D4000-memory.dmp

Filesize
272KB

Download
memory/2188-4-0x0000000073D3E000-0x0000000073D3F000-memory.dmp

Filesize
4KB

Download
memory/2188-5-0x0000000073D30000-0x000000007441E000-memory.dmp

Filesize
6.9MB

Download
memory/2188-6-0x0000000073D30000-0x000000007441E000-memory.dmp

Filesize
6.9MB

Download
memory/2188-7-0x00000000002C0000-0x00000000002DA000-memory.dmp

Filesize
104KB

Download
memory/2188-8-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/2188-26-0x0000000073D30000-0x000000007441E000-memory.dmp

Filesize
6.9MB

Download
memory/2188-19-0x0000000073D30000-0x000000007441E000-memory.dmp

Filesize
6.9MB

Download
memory/2600-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2600-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2600-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2600-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2600-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2600-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2600-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2600-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2600-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2600-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2600-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2600-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2600-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2600-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2600-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2600-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2600-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2600-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2600-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2600-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

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