remcos | fed5572012a12bdafafc4d00c615f7e23935b59e9388792ef98d37b6f8b5fc70

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

C2

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 2080 set thread context of 2584	2080	FedEX Receipt_AWB# 779187550472.exe	29

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 1 IoCs

pid	Process
2080	FedEX Receipt_AWB# 779187550472.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2080	FedEX Receipt_AWB# 779187550472.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2584	FedEX Receipt_AWB# 779187550472.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2564	2080	FedEX Receipt_AWB# 779187550472.exe	28
PID 2080 wrote to memory of 2564	2080	FedEX Receipt_AWB# 779187550472.exe	28
PID 2080 wrote to memory of 2564	2080	FedEX Receipt_AWB# 779187550472.exe	28
PID 2080 wrote to memory of 2564	2080	FedEX Receipt_AWB# 779187550472.exe	28
PID 2080 wrote to memory of 2584	2080	FedEX Receipt_AWB# 779187550472.exe	29
PID 2080 wrote to memory of 2584	2080	FedEX Receipt_AWB# 779187550472.exe	29
PID 2080 wrote to memory of 2584	2080	FedEX Receipt_AWB# 779187550472.exe	29
PID 2080 wrote to memory of 2584	2080	FedEX Receipt_AWB# 779187550472.exe	29
PID 2080 wrote to memory of 2584	2080	FedEX Receipt_AWB# 779187550472.exe	29
PID 2080 wrote to memory of 2584	2080	FedEX Receipt_AWB# 779187550472.exe	29
PID 2080 wrote to memory of 2584	2080	FedEX Receipt_AWB# 779187550472.exe	29
PID 2080 wrote to memory of 2584	2080	FedEX Receipt_AWB# 779187550472.exe	29
PID 2080 wrote to memory of 2584	2080	FedEX Receipt_AWB# 779187550472.exe	29
PID 2080 wrote to memory of 2584	2080	FedEX Receipt_AWB# 779187550472.exe	29
PID 2080 wrote to memory of 2584	2080	FedEX Receipt_AWB# 779187550472.exe	29
PID 2080 wrote to memory of 2584	2080	FedEX Receipt_AWB# 779187550472.exe	29
PID 2080 wrote to memory of 2584	2080	FedEX Receipt_AWB# 779187550472.exe	29

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:2080
- C:\Users\Admin\AppData\Local\Temp\FedEX Receipt_AWB# 779187550472.exe
  "C:\Users\Admin\AppData\Local\Temp\FedEX Receipt_AWB# 779187550472.exe"
  2⤵
  PID:2564
- 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:2584

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\ios\logs.dat

Filesize
144B

MD5
c570ebff827a07e860f3ea5716ab3783

SHA1
bd46d804fd82888f95d494fde6499dd09172556e

SHA256
70e22754c4ce74f5fe92e898174b7874ca6ad0450dd20bde5e6c91538a75a006

SHA512
5c3105d92ebe7ac23e55a64cf31453a17172f7107788d28f45750a493b0886a659996c3a0cee635ab0bd0236100e691b700f58104fcaf5556645b6340239d6cc

Download Submit
memory/2080-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/2080-1-0x0000000000BA0000-0x0000000000C8A000-memory.dmp

Filesize
936KB

Download
memory/2080-2-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2080-3-0x0000000000600000-0x0000000000618000-memory.dmp

Filesize
96KB

Download
memory/2080-4-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/2080-5-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2080-6-0x0000000004E00000-0x0000000004EC0000-memory.dmp

Filesize
768KB

Download
memory/2080-33-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2584-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-17-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2584-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-13-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-7-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-9-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-62-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2584-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

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