remcos | fed5572012a12bdafafc4d00c615f7e23935b59e9388792ef98d37b6f8b5fc70

Analysis

max time kernel
147s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-12-2024 15:32

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General

Target

FedEX Receipt_AWB# 779187550472.exe
Size

915KB
MD5

67280e0aa391e0583402048f03ce0343
SHA1

f68a9378e8d8f0c5ba10fc63fb51c6f14baaefac
SHA256

d8029b14e5fa065e09f0dee40b19978cb59633d86c708974b97aabf15a569b38
SHA512

467955349f07a1c02251fc1418c9a1a622cf6405264efa99454f02641b5b36b79802016c1bbdad6ff70a59400be68345da470033716558fbd1a71299aaad25cc
SSDEEP

24576:h3akAx8VHZGbfkYQYT0GZ23/PR+0cb+x1j:pakAx8VHZaNZyo0cb+x1

Score

10^/10

remcos ood discovery rat

Malware Config

Extracted

Family

remcos

Botnet

ood

goody.work.gd:4173

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
ios
mouse_option
false
mutex
gig-R8G1B2
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
sos
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 1296 set thread context of 2572	1296	FedEX Receipt_AWB# 779187550472.exe	98

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	FedEX Receipt_AWB# 779187550472.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FedEX Receipt_AWB# 779187550472.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1296	FedEX Receipt_AWB# 779187550472.exe
1296	FedEX Receipt_AWB# 779187550472.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1296	FedEX Receipt_AWB# 779187550472.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2572	FedEX Receipt_AWB# 779187550472.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1296 wrote to memory of 1320	1296	FedEX Receipt_AWB# 779187550472.exe	97
PID 1296 wrote to memory of 1320	1296	FedEX Receipt_AWB# 779187550472.exe	97
PID 1296 wrote to memory of 1320	1296	FedEX Receipt_AWB# 779187550472.exe	97
PID 1296 wrote to memory of 2572	1296	FedEX Receipt_AWB# 779187550472.exe	98
PID 1296 wrote to memory of 2572	1296	FedEX Receipt_AWB# 779187550472.exe	98
PID 1296 wrote to memory of 2572	1296	FedEX Receipt_AWB# 779187550472.exe	98
PID 1296 wrote to memory of 2572	1296	FedEX Receipt_AWB# 779187550472.exe	98
PID 1296 wrote to memory of 2572	1296	FedEX Receipt_AWB# 779187550472.exe	98
PID 1296 wrote to memory of 2572	1296	FedEX Receipt_AWB# 779187550472.exe	98
PID 1296 wrote to memory of 2572	1296	FedEX Receipt_AWB# 779187550472.exe	98
PID 1296 wrote to memory of 2572	1296	FedEX Receipt_AWB# 779187550472.exe	98
PID 1296 wrote to memory of 2572	1296	FedEX Receipt_AWB# 779187550472.exe	98
PID 1296 wrote to memory of 2572	1296	FedEX Receipt_AWB# 779187550472.exe	98
PID 1296 wrote to memory of 2572	1296	FedEX Receipt_AWB# 779187550472.exe	98
PID 1296 wrote to memory of 2572	1296	FedEX Receipt_AWB# 779187550472.exe	98

C:\Users\Admin\AppData\Local\Temp\FedEX Receipt_AWB# 779187550472.exe
"C:\Users\Admin\AppData\Local\Temp\FedEX Receipt_AWB# 779187550472.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1296
- C:\Users\Admin\AppData\Local\Temp\FedEX Receipt_AWB# 779187550472.exe
  "C:\Users\Admin\AppData\Local\Temp\FedEX Receipt_AWB# 779187550472.exe"
  2⤵
  PID:1320
- C:\Users\Admin\AppData\Local\Temp\FedEX Receipt_AWB# 779187550472.exe
  "C:\Users\Admin\AppData\Local\Temp\FedEX Receipt_AWB# 779187550472.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2572

Network

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\ios\logs.dat

Filesize
144B

MD5
5e7ee4632c8a483f19ef0aab0af8e461

SHA1
e6f5339e2b2186c43b2dfe9cc68c7fe37b1ef6ff

SHA256
0aed39e1b79038e7134b0a1aa7885db51b009eaaaa5033aeabdd67a4ba9bb378

SHA512
c1b02595063bb105451dcaa3779bf543c0a5462915b5a51a209942535c1bbbdfdd1b26c6a9fba127abcae3bfe0e5ecc8b3ad8e04e615c21f069facdc0c8ea397

Download Submit
memory/1296-6-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/1296-2-0x0000000005E10000-0x00000000063B4000-memory.dmp

Filesize
5.6MB

Download
memory/1296-3-0x0000000005900000-0x0000000005992000-memory.dmp

Filesize
584KB

Download
memory/1296-4-0x00000000058C0000-0x00000000058CA000-memory.dmp

Filesize
40KB

Download
memory/1296-5-0x0000000005C00000-0x0000000005C9C000-memory.dmp

Filesize
624KB

Download
memory/1296-20-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/1296-7-0x0000000005AC0000-0x0000000005AD8000-memory.dmp

Filesize
96KB

Download
memory/1296-8-0x000000007492E000-0x000000007492F000-memory.dmp

Filesize
4KB

Download
memory/1296-9-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/1296-10-0x0000000006CB0000-0x0000000006D70000-memory.dmp

Filesize
768KB

Download
memory/1296-1-0x0000000000DD0000-0x0000000000EBA000-memory.dmp

Filesize
936KB

Download
memory/1296-0-0x000000007492E000-0x000000007492F000-memory.dmp

Filesize
4KB

Download
memory/2572-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-58-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2572-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download