remcos | a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de

General

Target

a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe
Size

1.4MB
MD5

4f552ca4ead7d0693afd8e7109596e31
SHA1

7a16d057eba2aebb63d9d0f1cf9cc37e2228140e
SHA256

a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de
SHA512

cc12741c83bb18303964d3a0d8e639f3b97896e9be938e2eedf7b0f98c4af394bece521fef2f9b0b93aeff381ea33dcf33855dc51e14474b2c8c58e7c174db86
SSDEEP

24576:XMbbfwua+fJRPiYxZgtYSOjh2ZJ3lG++aeq+8my:X6W+frKGmmj+Yq+8my

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Version

3.0.0 Pro

Botnet

RemoteHost

C2

45.137.22.45:5200

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
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-AVDAR8
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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4152 set thread context of 4968	4152	a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe	95

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
992	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4152	a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4152	a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4968	a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4152 wrote to memory of 992	4152	a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe	93
PID 4152 wrote to memory of 992	4152	a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe	93
PID 4152 wrote to memory of 992	4152	a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe	93
PID 4152 wrote to memory of 4968	4152	a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe	95
PID 4152 wrote to memory of 4968	4152	a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe	95
PID 4152 wrote to memory of 4968	4152	a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe	95
PID 4152 wrote to memory of 4968	4152	a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe	95
PID 4152 wrote to memory of 4968	4152	a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe	95
PID 4152 wrote to memory of 4968	4152	a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe	95
PID 4152 wrote to memory of 4968	4152	a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe	95
PID 4152 wrote to memory of 4968	4152	a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe	95
PID 4152 wrote to memory of 4968	4152	a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe	95
PID 4152 wrote to memory of 4968	4152	a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe	95
PID 4152 wrote to memory of 4968	4152	a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe	95
PID 4152 wrote to memory of 4968	4152	a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe	95

C:\Users\Admin\AppData\Local\Temp\a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe
"C:\Users\Admin\AppData\Local\Temp\a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4152
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nBZKabrwDRtG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8BB1.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:992
- C:\Users\Admin\AppData\Local\Temp\a2185dcddcfe6d1925fc1b2be92d8c93e0a1a309f1b2c15340b00bec6be552de.exe
  "{path}"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4968

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8BB1.tmp

Filesize
1KB

MD5
6cb81f74b64345d9bcac12c762696aeb

SHA1
45dbc80b72d6aa41bd7126006beea0b2873c55bb

SHA256
bc7a00ad43445556f85b0a377eea4d0507832802684c7f6fadc8859d81b443df

SHA512
d2da2d185ff679b3d031c441d74b22df070898cd48fd063221c1ebf73a422873583a03255c8e801cd0eadc68da6e601e5fe8ac0609fcb3baf2db01ba78787f06

Download Submit
memory/992-137-0x0000000000000000-mapping.dmp

Download
memory/4152-135-0x0000000004F70000-0x0000000004F7A000-memory.dmp

Filesize
40KB

Download
memory/4152-132-0x00000000002A0000-0x0000000000416000-memory.dmp

Filesize
1.5MB

Download
memory/4152-136-0x0000000007310000-0x00000000073AC000-memory.dmp

Filesize
624KB

Download
memory/4152-134-0x0000000004E50000-0x0000000004EE2000-memory.dmp

Filesize
584KB

Download
memory/4152-133-0x0000000005360000-0x0000000005904000-memory.dmp

Filesize
5.6MB

Download
memory/4968-139-0x0000000000000000-mapping.dmp

Download
memory/4968-140-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/4968-141-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/4968-142-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/4968-143-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/4968-144-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads