remcos | e6284eafa60ee032f4517d1ce32329cf9a43918aed4026e68b486bc0986bd392

Analysis

max time kernel
145s
max time network
147s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
03-04-2024 12:58

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General

Target

e-Payment Challan.exe
Size

522KB
MD5

366b352bad65c71445747135fe315aec
SHA1

4307b086d0a9f38d0cf4620e4f3f6ac77e7d6d3f
SHA256

e6284eafa60ee032f4517d1ce32329cf9a43918aed4026e68b486bc0986bd392
SHA512

49f75b2c87e3d2b78901c05c0fef7011d1ea5de6d91d4eeca8dd8b9c7229efabd015b5b03501c1e4e4bd93fccae336520ecb04d6c00eb57123fc8e68ec4541a1
SSDEEP

12288:YiVvIoaAY5T3SBGmWb7T/CWX8/hbAqm4lgova5WMvEAmD:rIoN+jSBMT/k/Vrm4Cuc

Score

10^/10

remcos gg rat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

62.102.148.185:9771

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
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
newstart
keylog_path
%AppData%
mouse_option
false
mutex
remcos_wgwfvnfssp
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screens
screenshot_path
%AppData%
screenshot_time
1
startup_value
remcos
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Suspicious use of SetThreadContext 1 IoCs

Processes:

e-Payment Challan.exe

description pid process target process

PID 1620 set thread context of 2920 1620 e-Payment Challan.exe e-Payment Challan.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job
T1053

Processes:

schtasks.exe

pid process

2408 schtasks.exe

description	pid	process	target process
PID 1620 set thread context of 2920	1620	e-Payment Challan.exe	e-Payment Challan.exe

pid	process
2408	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

e-Payment Challan.exepowershell.exepowershell.exe

pid	process
1620	e-Payment Challan.exe
1620	e-Payment Challan.exe
1620	e-Payment Challan.exe
1620	e-Payment Challan.exe
1620	e-Payment Challan.exe
1620	e-Payment Challan.exe
1620	e-Payment Challan.exe
1620	e-Payment Challan.exe
2704	powershell.exe
2512	powershell.exe
1620	e-Payment Challan.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

e-Payment Challan.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1620	e-Payment Challan.exe
Token: SeDebugPrivilege	2704	powershell.exe
Token: SeDebugPrivilege	2512	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

e-Payment Challan.exe

pid process

2920 e-Payment Challan.exe

pid	process
2920	e-Payment Challan.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

e-Payment Challan.exe

description	pid	process	target process
PID 1620 wrote to memory of 2512	1620	e-Payment Challan.exe	powershell.exe
PID 1620 wrote to memory of 2512	1620	e-Payment Challan.exe	powershell.exe
PID 1620 wrote to memory of 2512	1620	e-Payment Challan.exe	powershell.exe
PID 1620 wrote to memory of 2512	1620	e-Payment Challan.exe	powershell.exe
PID 1620 wrote to memory of 2704	1620	e-Payment Challan.exe	powershell.exe
PID 1620 wrote to memory of 2704	1620	e-Payment Challan.exe	powershell.exe
PID 1620 wrote to memory of 2704	1620	e-Payment Challan.exe	powershell.exe
PID 1620 wrote to memory of 2704	1620	e-Payment Challan.exe	powershell.exe
PID 1620 wrote to memory of 2408	1620	e-Payment Challan.exe	schtasks.exe
PID 1620 wrote to memory of 2408	1620	e-Payment Challan.exe	schtasks.exe
PID 1620 wrote to memory of 2408	1620	e-Payment Challan.exe	schtasks.exe
PID 1620 wrote to memory of 2408	1620	e-Payment Challan.exe	schtasks.exe
PID 1620 wrote to memory of 2920	1620	e-Payment Challan.exe	e-Payment Challan.exe
PID 1620 wrote to memory of 2920	1620	e-Payment Challan.exe	e-Payment Challan.exe
PID 1620 wrote to memory of 2920	1620	e-Payment Challan.exe	e-Payment Challan.exe
PID 1620 wrote to memory of 2920	1620	e-Payment Challan.exe	e-Payment Challan.exe
PID 1620 wrote to memory of 2920	1620	e-Payment Challan.exe	e-Payment Challan.exe
PID 1620 wrote to memory of 2920	1620	e-Payment Challan.exe	e-Payment Challan.exe
PID 1620 wrote to memory of 2920	1620	e-Payment Challan.exe	e-Payment Challan.exe
PID 1620 wrote to memory of 2920	1620	e-Payment Challan.exe	e-Payment Challan.exe
PID 1620 wrote to memory of 2920	1620	e-Payment Challan.exe	e-Payment Challan.exe
PID 1620 wrote to memory of 2920	1620	e-Payment Challan.exe	e-Payment Challan.exe

C:\Users\Admin\AppData\Local\Temp\e-Payment Challan.exe
"C:\Users\Admin\AppData\Local\Temp\e-Payment Challan.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\e-Payment Challan.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2512
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gAmdlUtlZn.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2704
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gAmdlUtlZn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp734C.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2408
- C:\Users\Admin\AppData\Local\Temp\e-Payment Challan.exe
  "C:\Users\Admin\AppData\Local\Temp\e-Payment Challan.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

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\tmp734C.tmp

Filesize
1KB

MD5
444d03d3d564b78b3f46fb000efd7263

SHA1
1fd475c7c144ef6b1b270b85878b7e60a7d1ef8c

SHA256
8bc5fc443498e0bfc9ee28362f128195c63d88f5d6c2d29e96eb07e3964444a9

SHA512
efa5260d23ee755862bb8f297c62422feca9731c95c4ee3bed2b4d757a8cfda2fcef9aa41e5e5c9df8c384ce73aea082e3b0f68aeda9445527a6165fdfefd37c

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
28da0f7673b7f45d16b7ae9252678673

SHA1
7dbe02592a9bd866e8fb3b2c2568990fc983b0f5

SHA256
d138baa51efe8e52d8c3657c1d989acdead08e1fd0b1719ede83d4cd0cc9b871

SHA512
c99b4ce8ea7382702a740c70ce040fd531e1ce7e7f2b0483497bf1ff19967b264f8d006fd2ebd9c588e2492dd0054798e9a44d30c786eee3511547419f4d76a8

Download Submit
memory/1620-4-0x0000000000600000-0x000000000060C000-memory.dmp

Filesize
48KB

Download
memory/1620-1-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/1620-0-0x0000000000170000-0x00000000001F8000-memory.dmp

Filesize
544KB

Download
memory/1620-5-0x0000000004300000-0x000000000435E000-memory.dmp

Filesize
376KB

Download
memory/1620-6-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/1620-7-0x0000000004A50000-0x0000000004A90000-memory.dmp

Filesize
256KB

Download
memory/1620-2-0x0000000004A50000-0x0000000004A90000-memory.dmp

Filesize
256KB

Download
memory/1620-3-0x00000000005B0000-0x00000000005C2000-memory.dmp

Filesize
72KB

Download
memory/1620-40-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/2512-23-0x000000006E500000-0x000000006EAAB000-memory.dmp

Filesize
5.7MB

Download
memory/2512-45-0x000000006E500000-0x000000006EAAB000-memory.dmp

Filesize
5.7MB

Download
memory/2512-21-0x000000006E500000-0x000000006EAAB000-memory.dmp

Filesize
5.7MB

Download
memory/2704-25-0x000000006E500000-0x000000006EAAB000-memory.dmp

Filesize
5.7MB

Download
memory/2704-27-0x0000000002950000-0x0000000002990000-memory.dmp

Filesize
256KB

Download
memory/2704-29-0x000000006E500000-0x000000006EAAB000-memory.dmp

Filesize
5.7MB

Download
memory/2704-44-0x000000006E500000-0x000000006EAAB000-memory.dmp

Filesize
5.7MB

Download
memory/2920-37-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-51-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-31-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2920-39-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-20-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-41-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-43-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-24-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-28-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-46-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-50-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-33-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-52-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-53-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-54-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-55-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-56-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-57-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-58-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-59-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-60-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-61-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2920-62-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download