remcos | b774d45c6788cc48716eee3e81002e5b74996a3c2610967f3d19115646ca4d6a

General

Target

ConsoleApp18.exe
Size

1.7MB
MD5

aade455507f667318c83c42a95b3fc3c
SHA1

92efbfe4546ddee6a5807a5794adea2f440cf107
SHA256

b774d45c6788cc48716eee3e81002e5b74996a3c2610967f3d19115646ca4d6a
SHA512

f3a719f289a06b7bda717c56ddc4319bcd9c5f82eebe815f6923635f630f2940efa5cf8298d94117e0ef2470225deecaf3641e96b63cf47b3767a6aa5a772ffd
SSDEEP

49152:Xe8CI/Zr5B6t4JP24kCvC/J3iSI3AvYwnuSg:O8CI/V6ta+9CmZJvYw

Score

10^/10

remcos zgrat remotehost persistence rat

Malware Config

Extracted

Family

remcos

Version

3.3.0 Pro

Botnet

RemoteHost

C2

lplazadtemins.duckdns.org:443

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-NLSDTO
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
notepad;solitaire;

Signatures

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral2/memory/868-4-0x0000000004ED0000-0x0000000005048000-memory.dmp	family_zgrat_v1

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\notepad = "\"C:\\Users\\Admin\\AppData\\Local\\notepad.exe\""	ConsoleApp18.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 868 set thread context of 3256	868	ConsoleApp18.exe	100

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
868	ConsoleApp18.exe
868	ConsoleApp18.exe
868	ConsoleApp18.exe
868	ConsoleApp18.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	868	ConsoleApp18.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3256	ConsoleApp18.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 3256	868	ConsoleApp18.exe	100
PID 868 wrote to memory of 3256	868	ConsoleApp18.exe	100
PID 868 wrote to memory of 3256	868	ConsoleApp18.exe	100
PID 868 wrote to memory of 3256	868	ConsoleApp18.exe	100
PID 868 wrote to memory of 3256	868	ConsoleApp18.exe	100
PID 868 wrote to memory of 3256	868	ConsoleApp18.exe	100
PID 868 wrote to memory of 3256	868	ConsoleApp18.exe	100
PID 868 wrote to memory of 3256	868	ConsoleApp18.exe	100
PID 868 wrote to memory of 3256	868	ConsoleApp18.exe	100
PID 868 wrote to memory of 3256	868	ConsoleApp18.exe	100
PID 868 wrote to memory of 3256	868	ConsoleApp18.exe	100
PID 868 wrote to memory of 3256	868	ConsoleApp18.exe	100

C:\Users\Admin\AppData\Local\Temp\ConsoleApp18.exe
"C:\Users\Admin\AppData\Local\Temp\ConsoleApp18.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:868
- C:\Users\Admin\AppData\Local\Temp\ConsoleApp18.exe
  C:\Users\Admin\AppData\Local\Temp\ConsoleApp18.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:3256

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1420 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
1⤵
PID:4080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\remcos\logs.dat

Filesize
148B

MD5
d51f1422ecefd5d37ed0c5eeceefdedc

SHA1
1d8c6cd38f43959d3ca90cf341d9abf130643003

SHA256
3980c23c66e776fc55aa5e10f72b6bf14d74112b147215a76454655b18147cf4

SHA512
4d52ae8ae2501f3d8ad0e4b34e21ae9b340f794450240c979ef7b6e65ba9e671691af2fa094b16a9d18a102982289d156a58d103f227484c535ad25f902824ed

Download Submit
memory/868-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/868-1-0x0000000000360000-0x0000000000512000-memory.dmp

Filesize
1.7MB

Download
memory/868-2-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/868-3-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/868-4-0x0000000004ED0000-0x0000000005048000-memory.dmp

Filesize
1.5MB

Download
memory/868-5-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/868-7-0x00000000053D0000-0x0000000005420000-memory.dmp

Filesize
320KB

Download
memory/868-17-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/3256-12-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/3256-24-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/3256-13-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/3256-16-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/3256-9-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/3256-18-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/3256-23-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/3256-11-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/3256-25-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/3256-8-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/3256-30-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/3256-32-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/3256-37-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/3256-38-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads