remcos | 683843fe257ddca12e864696830448bc04e7eeb9ab53e42dc185d898462c85fa

Analysis

max time kernel
147s
max time network
134s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
19/04/2023, 10:54

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General

Target

XZD.exe
Size

956KB
MD5

332638c6639e013b5bba729b78b9c234
SHA1

31b7ad142dfef57d6f8becc4b7b6528c67617827
SHA256

683843fe257ddca12e864696830448bc04e7eeb9ab53e42dc185d898462c85fa
SHA512

55f9d2def37094bdeb7ca0d59f2869a0ce44725fbddf35e891a466ff0b2cdbb7396a0e60112a9e2b3c88cfd2c15904b2425c43c526fee64de1fc1b6e45b24cf0
SSDEEP

24576:isXMIyXL8g2DGwmie5K7lvHLZtVmeTk/u+UqCoKfD+eJKV6Z:Lmd2DG/15KxvzTh+UqRKr0V

Score

10^/10

remcos awele-host persistence rat

Malware Config

Extracted

Family

remcos

Botnet

Awele-Host

gdyhjjdhbvxgsfe.gotdns.ch:2718

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
qos.exe
delete_file
false
hide_file
false
hide_keylog_file
true
install_flag
true
install_path
%AppData%
keylog_crypt
true
keylog_file
logs.dat
keylog_flag
false
keylog_path
%AppData%
mouse_option
false
mutex
Rmc-VC3F2C
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Jm
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Executes dropped EXE 2 IoCs

pid	Process
584	qos.exe
1852	qos.exe

Loads dropped DLL 1 IoCs

pid	Process
1284	cmd.exe

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows\CurrentVersion\Run\Jm = "\"C:\\Users\\Admin\\AppData\\Roaming\\qos.exe\""	XZD.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\	XZD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Jm = "\"C:\\Users\\Admin\\AppData\\Roaming\\qos.exe\""	XZD.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows\CurrentVersion\Run\	qos.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows\CurrentVersion\Run\Jm = "\"C:\\Users\\Admin\\AppData\\Roaming\\qos.exe\""	qos.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\	qos.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Jm = "\"C:\\Users\\Admin\\AppData\\Roaming\\qos.exe\""	qos.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows\CurrentVersion\Run\	XZD.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2016 set thread context of 1904	2016	XZD.exe	28
PID 584 set thread context of 1852	584	qos.exe	33

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1852	qos.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 1904	2016	XZD.exe	28
PID 2016 wrote to memory of 1904	2016	XZD.exe	28
PID 2016 wrote to memory of 1904	2016	XZD.exe	28
PID 2016 wrote to memory of 1904	2016	XZD.exe	28
PID 2016 wrote to memory of 1904	2016	XZD.exe	28
PID 2016 wrote to memory of 1904	2016	XZD.exe	28
PID 2016 wrote to memory of 1904	2016	XZD.exe	28
PID 2016 wrote to memory of 1904	2016	XZD.exe	28
PID 2016 wrote to memory of 1904	2016	XZD.exe	28
PID 2016 wrote to memory of 1904	2016	XZD.exe	28
PID 2016 wrote to memory of 1904	2016	XZD.exe	28
PID 2016 wrote to memory of 1904	2016	XZD.exe	28
PID 2016 wrote to memory of 1904	2016	XZD.exe	28
PID 1904 wrote to memory of 1604	1904	XZD.exe	29
PID 1904 wrote to memory of 1604	1904	XZD.exe	29
PID 1904 wrote to memory of 1604	1904	XZD.exe	29
PID 1904 wrote to memory of 1604	1904	XZD.exe	29
PID 1604 wrote to memory of 1284	1604	WScript.exe	30
PID 1604 wrote to memory of 1284	1604	WScript.exe	30
PID 1604 wrote to memory of 1284	1604	WScript.exe	30
PID 1604 wrote to memory of 1284	1604	WScript.exe	30
PID 1284 wrote to memory of 584	1284	cmd.exe	32
PID 1284 wrote to memory of 584	1284	cmd.exe	32
PID 1284 wrote to memory of 584	1284	cmd.exe	32
PID 1284 wrote to memory of 584	1284	cmd.exe	32
PID 584 wrote to memory of 1852	584	qos.exe	33
PID 584 wrote to memory of 1852	584	qos.exe	33
PID 584 wrote to memory of 1852	584	qos.exe	33
PID 584 wrote to memory of 1852	584	qos.exe	33
PID 584 wrote to memory of 1852	584	qos.exe	33
PID 584 wrote to memory of 1852	584	qos.exe	33
PID 584 wrote to memory of 1852	584	qos.exe	33
PID 584 wrote to memory of 1852	584	qos.exe	33
PID 584 wrote to memory of 1852	584	qos.exe	33
PID 584 wrote to memory of 1852	584	qos.exe	33
PID 584 wrote to memory of 1852	584	qos.exe	33
PID 584 wrote to memory of 1852	584	qos.exe	33
PID 584 wrote to memory of 1852	584	qos.exe	33

C:\Users\Admin\AppData\Local\Temp\XZD.exe
"C:\Users\Admin\AppData\Local\Temp\XZD.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Users\Admin\AppData\Local\Temp\XZD.exe
  "C:\Users\Admin\AppData\Local\Temp\XZD.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1904
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\ofaudbckeauuumlsmmayxlkzsispwhjab.vbs"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1604
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\qos.exe"
      4⤵
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:1284
    - - C:\Users\Admin\AppData\Roaming\qos.exe
        
        C:\Users\Admin\AppData\Roaming\qos.exe
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:584
      - C:\Users\Admin\AppData\Roaming\qos.exe
        
        "C:\Users\Admin\AppData\Roaming\qos.exe"
        6⤵
        Executes dropped EXE
        Adds Run key to start application
        Suspicious use of SetWindowsHookEx
        
        PID:1852

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ofaudbckeauuumlsmmayxlkzsispwhjab.vbs

Filesize
398B

MD5
8e2a1197a839a92a232ec1bc06a9cf69

SHA1
a501c184e874983afccbde838f3260dfb7d62527

SHA256
e10a418a00a6de27cf1c4b5e46f7543c290afc801835efa99b633ee3d75f7571

SHA512
26a35fa937a7d63f120b40331ed6370832d690d49b5cc0aa74350f9a7eaefa9f6433df6647ef5974a5de3ac055841166cf5543eb4002d831ecac05c3c896eaaf

Download Submit
C:\Users\Admin\AppData\Roaming\qos.exe

Filesize
956KB

MD5
332638c6639e013b5bba729b78b9c234

SHA1
31b7ad142dfef57d6f8becc4b7b6528c67617827

SHA256
683843fe257ddca12e864696830448bc04e7eeb9ab53e42dc185d898462c85fa

SHA512
55f9d2def37094bdeb7ca0d59f2869a0ce44725fbddf35e891a466ff0b2cdbb7396a0e60112a9e2b3c88cfd2c15904b2425c43c526fee64de1fc1b6e45b24cf0

Download Submit
C:\Users\Admin\AppData\Roaming\qos.exe

Filesize
956KB

MD5
332638c6639e013b5bba729b78b9c234

SHA1
31b7ad142dfef57d6f8becc4b7b6528c67617827

SHA256
683843fe257ddca12e864696830448bc04e7eeb9ab53e42dc185d898462c85fa

SHA512
55f9d2def37094bdeb7ca0d59f2869a0ce44725fbddf35e891a466ff0b2cdbb7396a0e60112a9e2b3c88cfd2c15904b2425c43c526fee64de1fc1b6e45b24cf0

Download Submit
C:\Users\Admin\AppData\Roaming\qos.exe

Filesize
956KB

MD5
332638c6639e013b5bba729b78b9c234

SHA1
31b7ad142dfef57d6f8becc4b7b6528c67617827

SHA256
683843fe257ddca12e864696830448bc04e7eeb9ab53e42dc185d898462c85fa

SHA512
55f9d2def37094bdeb7ca0d59f2869a0ce44725fbddf35e891a466ff0b2cdbb7396a0e60112a9e2b3c88cfd2c15904b2425c43c526fee64de1fc1b6e45b24cf0

Download Submit
\Users\Admin\AppData\Roaming\qos.exe

Filesize
956KB

MD5
332638c6639e013b5bba729b78b9c234

SHA1
31b7ad142dfef57d6f8becc4b7b6528c67617827

SHA256
683843fe257ddca12e864696830448bc04e7eeb9ab53e42dc185d898462c85fa

SHA512
55f9d2def37094bdeb7ca0d59f2869a0ce44725fbddf35e891a466ff0b2cdbb7396a0e60112a9e2b3c88cfd2c15904b2425c43c526fee64de1fc1b6e45b24cf0

Download Submit
memory/584-85-0x0000000004EA0000-0x0000000004EE0000-memory.dmp

Filesize
256KB

Download
memory/584-84-0x0000000004EA0000-0x0000000004EE0000-memory.dmp

Filesize
256KB

Download
memory/584-83-0x00000000009D0000-0x0000000000AC6000-memory.dmp

Filesize
984KB

Download
memory/1852-99-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1852-94-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1852-116-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1852-115-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1852-114-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1852-113-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1852-112-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1852-109-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1852-106-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1852-105-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1852-104-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1852-103-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1852-102-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1852-101-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1852-98-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1904-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1904-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1904-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1904-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1904-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1904-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1904-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1904-69-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1904-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1904-62-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1904-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1904-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1904-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2016-58-0x0000000005770000-0x0000000005822000-memory.dmp

Filesize
712KB

Download
memory/2016-54-0x0000000000DA0000-0x0000000000E96000-memory.dmp

Filesize
984KB

Download
memory/2016-60-0x0000000005110000-0x000000000518E000-memory.dmp

Filesize
504KB

Download
memory/2016-55-0x0000000000B40000-0x0000000000B80000-memory.dmp

Filesize
256KB

Download
memory/2016-59-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/2016-56-0x00000000005D0000-0x00000000005EE000-memory.dmp

Filesize
120KB

Download
memory/2016-57-0x0000000000B40000-0x0000000000B80000-memory.dmp

Filesize
256KB

Download